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HomeMy WebLinkAbout20081317 Ver 1_Year 2 Monitoring Report_20120502a Ot ZR 4709 COLLEGE ACRES DRIVE € SUITE 2 I N C O R P O R A T E D WILMINGTON NORTH CAROLINA 28403 1725 Containing e ENVIRONMENTAL CONSULTANTS TEL 910 392 9253 LETTER OF TRANSMITTAL TO David Lekson USACE (via FedEx priority overnight) LKar nn Higgins DWQ (via FedEx priority ovemight)_ _� AI Hodge —DWQ- (via -FedEx priority overnight) Jeff Furness PCS (via FedEx 2 day) Jonathan Ricketts Jonathan Ricketts Inc (via FedEx 2 day) Kevin Tweedy Michael Baker Engineering (via FedEx 2 day) Jim Hudgens CZR Incorporated (via FedEx 2 day) Ross Smith (w /o enclosures & included In J Furness envelope) Michael Brom (w /o enclosures & included in J Furness envelope) FROM Arnie Strohmeier DATE 1 May 2012 SUBJECT Second Annual (2011) Report for the Hell Swamp /Scott Mitigation Site WE ARE SENDING YOU FAX 910 392 9139 czrwdm @czr me com 11EIVE MAY 2 2012 Copies Description Second Annual (2011) Report for the Hell Swamp /Scott Creek 1 Watershed Mitigation Site text tables figures and appendices) Containing Second Annual (2011) Report for the Hell Swamp /Scott Creek 1 CD Watershed Mitigation Site (text tables figures and appendices) 2011 Hell Swamp Monthly Hydrology Tables Flow videos NOTE A second CD containing the Hell Swamp hydrology graphs will be sent separately Signed Arnie Strohmeier CP #1745 59 66 2151 Alternate A I A South SUITE 2000 JUPITER FLORIDA 33477 3902 TEL 561 747 7455 FAX 561 747 7576 cznnc @czr inc com www CZRINC com Ik PotashCorp Helping Nature Provide Federal Express May 1 2012 Mr David Lekson U S Army Corps of Engineers Washington Regulatory Field Office 2407 West 5th Street Washington North Carolina 27889 Dear Mr Lekson ® ? - IaII Enclosed is the Second Annual (2011) Report for the Hell Swamp /Scott Creek Watershed Mitigation Site Pantego Township Beaufort County North Carolina Earthwork was initiated on the mitigation site in July 2009 and planting was complete in May 2010 Minor additional earthwork was done in September 2010 We are providing your copy unbound as you requested A CD containing all of the hydrology graphs from the monitoring wells will be sent separately in the near future If you have any questions please call me at (252) 322 8249 or Julia Berger of CZR Incorporated at (910) 392 9253 Sincerely < < IA/,- IIA" Jeffrey Furness Senior Scientist PC Karen Higgins DWQ Raleigh w /encl Al Hodge DWQ — Wash w/ encl R M Smith w /Summary M Brom w /Summary J Hudgens CZR w /encl J Ricketts JTR w /encl K Tweedy Baker w /encl S Cooper CZR w /encl J Berger CZR w/o encl 23 11 019 w /encl 1530 NC HWY 306 S Aurora NC US 27806 9245 T 252 322 4111 www potashcorp corn SECOND ANNUAL (2011) REPORT FOR THE HELL SWAMP /SCOTT CREEK WATERSHED MITIGATION SITE PANTEGO TOWNSHIP BEAUFORT COUNTY, NORTH CAROLINA ;Aft& : . Prepared for: PCS Phosphate Company, Inc. Prepared by: CZR Incorporated April 2012 s r -_�. 'a 'p 71 fop SECOND ANNUAL (2011) REPORT FOR THE HELL SWAMP /SCOTT CREEK WATERSHED MITIGATION SITE PANTEGO TOWNSHIP BEAUFORT COUNTY, NORTH CAROLINA Prepared for: PCS Phosphate Company, Inc. Prepared by: CZR Incorporated April 2012 TABLE OF CONTENTS 1.0 PROJECT OVERVIEW .......................................... ............................... 1.1 History .................................................................... ............................... 1.2 Location .................................................................. ............................... 1.3 Goals and Performance Criteria ............................. ............................... 2.0 REQUIREMENTS .................................................. ............................... 2.1 Normal Rainfall and Growing Season .................... ............................... 2.2 Hydrology ............................................................... ............................... 2.3 Vegetation .............................................................. ............................... 2.4 Hydrogeomorphic Monitoring of Streams and Valleys .......................... 2.5 Photographic Documentation ................................. ............................... 3.0 SUMMARY DATA .................................................. ............................... 3.1 Rainfall ................................................................... ............................... 3.2 Hydrology ............................................................... ............................... 3.2.1 QA /QC of Well Performance ............................... ............................... 3.2.2 Geomorphic Monitoring, Flow Events and Annual Stream Surveys. . 3.2.3 Hydroperiods ....................................................... ............................... 3.2.3.1 Riparian Headwater Systems / Bottomlands . ............................... 3.2.3.2 Non - riparian Hardwood Flat ......................... ............................... 3.2.4 Hydroperiod Comparison to Control Forests ....... ............................... 3.2.4.1 Plum's Pit .................................................... ............................... 3.2.4.2 Windley ........................................................ ............................... 3.2.4.3 Winfield ........................................................ ............................... 3.3 Vegetation .............................................................. ............................... 3.3.1 Riparian Buffer ..................................................... ............................... 3.3.2 Riparian Areas / Bottomlands ................................ ............................... 3.3.3 Non - riparian Hardwood Flat ................................ ............................... 3.5 Photographic Documentation ................................. ............................... 4.0 SUMMARY ............................................................ ............................... LITERATURE CITED ........................................................................ ............................... Cover Photo: Aerial photo 13 February 2011. View to NNW, Seed Tick Neck Road to right edge of photo. Hell Swamp /Scott Creek Mitigation Site ii PCS Phosphate Company, Inc. Second Annual Report April 2012 LIST OF TABLES Table 1 Performance criteria, methods summary, and current status.. .................................. T -1 Table 2A Longest hydroperiods in 2011 of 92 riparian monitoring wells at Hell Swamp Hell Swamp Mitigation Site Monitoring Locations on Soil Survey......... Figure 4A restorationsite ............................................................................. ............................... T -4 Table 2B Longest hydroperiods in 2011 of 111 non - riparian hardwood flat monitoring 2011 Hell Swamp and WETS- Belhaven Rainfall .... ............................... Figure 6 wells at Hell Swamp restoration site .......................................... ............................... T -10 Table 3A Longest hydroperiods in 2011 of 92 riparian monitoring wells at Hell Swamp Hell Swamp Mitigation Site Monitoring Wells -2011 Hydroperiods and restoration site during normal or below normal rainfall .............. ............................... T -18 Table 3B Longest hydroperiods in 2011 of 111 non - riparian hardwood flat monitoring wells at Hell Swamp restoration site during normal or below normal rainfall........... T -24 Table 4 Summary of 2011 flow gauge data from upper Scott Creek and its headwater systems (UT1 — UT7) and a tributary to Smith Creek (UT8) at Hell Swamp............ T -33 Table 5 Survival of trees and shrubs planted in 19 0.017 -acre plots in potential riparian buffer areas at Hell Swamp from baseline (summer 2010) to fall 2011 ................... T -34 Table 6 Survival of trees and shrubs planted in 12 riparian 0.22 -acre plots at Hell Swamp from baseline (summer 2010) to fall 2011 .................... ............................... T -35 Table 7 Survival of trees and shrubs planted in 111 non - riparian 0.22 -acre plots at Hell Swamp from baseline (summer 2010) to fall 2011 .................... ............................... T -36 LIST OF FIGURES Figure 1 Hell Swamp Vicinity Map ........................................ ............................... Figure 2 Hell Swamp Monitoring Locations .......................... ............................... Figure 3 Hell Swamp Mitigation Site Monitoring Locations on Soil Survey......... Figure 4A Hell Swamp Restoration Area Well Locations on As Built LiDAR......... Figure 4B Hell Swamp Control Forest Well Locations on Pre - restoration LiDAR.. Figure 5 2011 Hell Swamp and WETS- Belhaven Rainfall .... ............................... Figure 6 Hell Swamp Mitigation Site Monitoring Wells -2011 Hydroperiods and HydrologicZones .................................................... ............................... Figure 7 Hell Swamp Mitigation Site Monitoring Wells -2011 Hydroperiods and Hydrologic Zones During Normal or Below Normal Rainfall .................. APPENDICES ................. Fig -1 ................. Fig -2 ................. Fig -3 ............... Fig -4A ............... Fig -413 ................. Fig -5 Estimated ................. Fig -6 Estimated ................. Fig -7 A 2011 Cross Section Measurements in Restored Single Thread Channel of Upper Scott Creek B 2011 Flow Events Recorded by Low Flow Gauges, Observer Data, and Stream Survey Results in Each Tributary or Headwater System C Stem Counts at Individual Plots at Hell Swamp D Selected Second Annual Restoration Vegetation Photographs Hell Swamp /Scott Creek Mitigation Site iii PCS Phosphate Company, Inc. Second Annual Report April 2012 1.0 PROJECT OVERVIEW 1.1 History. The 1,297 -acre Hell Swamp /Scott Creek Watershed mitigation site is a significant component of the compensatory mitigation for future unavoidable impacts to wetlands and waters as authorized by Section 404 Permit Action ID 200110096 and the Section 401 Water Quality Certification DWQ #2008 -0868, version 2.0. Hydrogeomorphic monitoring of the stream valleys was conducted by Baker Engineering. CZR Incorporated (CZR) of Wilmington, NC monitors hydrology and vegetation of the Hell Swamp site, as well as three other sites (Windley, Plum's Pit, and Winfield) used as hydrological controls. Restoration activities at Hell Swamp were authorized by the NC Division of Coastal Management and Coastal Area Management Act (CAMA) major development permit 83 -09 as well as the NC Division of Land Resources Erosion and Sediment Control Permits, which were issued for 11 separate phases and further described in the As Built Report (CZR 2010) and the Baseline and First Annual Report (CZR 2011). Work occurred from 1 July 2009 until 22 June 2010 and began in areas not subject to CAMA or Section 404 jurisdiction. Planting occurred from February to May 2010, after each phase of restoration earthwork was completed; planted species and densities are described in CZR 2010. 1.2 Location. The Hell Swamp site is located within the Pamlico Hydrologic Unit 03020104 of the Tar - Pamlico river basin within the Pungo Creek subbasin and is drained by Scott Creek, Smith Creek, and Broad Creek. The site encompasses almost the entire Scott Creek watershed and a portion of the watersheds of Smith Creek and Broad Creek. Located on the southwest side of Seed Tick Neck Road (SR 1714) in Beaufort County, the site is approximately 2 miles east - southeast (straight -line distance) of the town of Yeatesville, Pantego Township, North Carolina (Figure 1). 1.3 Goals and Performance Criteria. The primary goal of the project is to restore a self- sustaining functional watershed and wetland /stream complex to allow surface flow to move through vegetated wetlands before reaching any stream. Mitigation yields are estimated and performance criteria are described for the project in detail in the Compensatory Mitigation Plan for Restoration of Hell Swamp /Scott Creek Watershed (CZR 2009). Performance criteria are summarized in Table 1. Overtime the Hell Swamp site is expected to successfully: re- establish approximately: • 19,783 linear feet (LF) of zero and first -order stream, including the restoration of six riparian headwater systems and three low energy streams; • 21 acres of Tar - Pamlico riparian buffer, with additional potential buffer opportunity if suitable stream segments form in the riparian headwater systems; • 58 acres of riparian forested hardwood wetland (headwater forest, bottomland hardwood forest and riverine swamp forest), with some additional enhancement potential; and • 808 acres of non - riverine hardwood flat; and preserve or rehabilitate: • 40 acres of non - riverine hardwood flat including a 34 -acre "state or regionally significant" mature hardwood flat; • 28 acres of riverine swamp forest /bottomland hardwood forest; • 18 acres of non - riverine hardwood flat; and • 200 acres of areas mapped as uplands on the county soil survey. Hell Swamp /Scott Creek Mitigation Site 1 PCS Phosphate Company, Inc. Second Annual Report April 2012 An additional 103 acres underlain by hydric soils are included as "potential non - wetland" areas due to drainage effects from perimeter ditches that must remain open. Approximately 34 acres at the head of the watershed is mature non - riverine wet hardwood forest underlain by Cape Fear soil (the Windley tract), and will be preserved to help mitigate for impacts to the Bonnerton non - riverine wet hardwood area. The Windley tract, the Plum's Pit tract (Arapahoe soil), and the Winfield tract (Augusta, Tomotley, and Roanoke soils) are nearby hardwood forested wetlands at similar elevations to portions of Hell Swamp and underlain by soil series mapped on Hell Swamp as shown on the Beaufort County Soil Survey (Kirby 1995). These tracts will be monitored as hydrologic controls for the restored hydrology of applicable areas at the Hell Swamp site (Figure 1). 2.0 REQUIREMENTS 2.1 Normal Rainfall and Growing Season. A continuous electronic rain gauge is downloaded once a month and its data are used in conjunction with data from nearby automated weather stations (e.g., NRCS WETS data from NOAA's site at Belhaven and NOAA's Aurora site to fill Belhaven data gaps) to determine normal rainfall during the monitoring period. Hell Swamp data were compared to the WETS range of normal precipitation to determine if Hell Swamp rainfall was within the normal range. The range of normal precipitation for this report refers to the 30th and 70th percentile thresholds of the probability of having onsite rainfall amounts less than or higher than those thresholds. The range of normal and the 30 -day rolling total data lines begin on the last day of each month and the 2011 WETS - Belhaven monthly precipitation total is plotted on the last day of each month. Under the 2010 regional guidance from the Corps of Engineers for wetland hydroperiods, the normal growing season for Beaufort County is 28 February to 6 December or 282 days (WETS table for Beaufort County first/last freeze date 28 degrees F 50 percent probability) (US Army Corps of Engineers 2010). At the suggestion of the Corps' Washington regulatory field office, data collected between 1 February and 28 February provide important information related to analyses of site hydrology during the early growing season, but are not part of the hydroperiod calculation for success. 2.2 Hydrology. Figure 2 depicts the locations of hydrology monitoring equipment. To document surface storage, flow in the restored riparian headwater system, and hydroperiods of all wetland types on the site, 111 semi - continuous electronic Ecotone water level monitoring wells (manufactured by RDS) are deployed at a density of approximately 1 well /10 acres in the non - riparian wetland flat areas. An additional 12 wells within the expected riparian zone and 80 wells in 40 arrays across the stream valleys measure the hydrology of the riparian stream system and bottomlands (92 riparian wells). Forty (40) gauges (beta models) to record low flow events were also installed either within or near each of these stream arrays in early 2011. Each stream valley array consists of a well on either side of the perceived valley and a flow gauge in the valley where flow has been evident or seems likely based on the topography of the valley and surrounding area. The arrays are approximately 500 feet apart (along the long axis) for each valley (at least 3 arrays per 1,000 -foot reach; upstream, center, downstream). The low flow gauges are programmed to take 72 readings per day and the units are downloaded once a month. For most gauges, a minimum flow threshold of 0.5 gal /min is used when the data are analyzed and flow events are tallied. Observations during downloads and stream surveys, rainfall, and geomorphic position are also part of the analysis and interpretation of the flow gauge data. Additionally, three electronic wells, each paired with a manual well, are monitored in the Windley tract (wetland preservation area and control site). Four electronic wells were installed in October 2010 at Plum's Pit, a nearby hardwood forested wetland at a similar elevation to portions of Hell Swamp and underlain by one of the soil series found at Hell Swamp. Installation of seven additional monitoring wells at the Winfield tract (third control area) occurred in July 2011. All well Hell Swamp /Scott Creek Mitigation Site 2 PCS Phosphate Company, Inc. Second Annual Report April 2012 locations are also depicted on the Beaufort County Soil Survey sheet 9 (Figure 3) and on LiDAR (Figures 4A and 4B). Electronic wells are downloaded once a month and the data (readings every 1.5 hours for wells) evaluated on an annual basis to document wetland hydroperiods. Wetland hydroperiods are calculated by counting consecutive days with water level no deeper than 12 inches below the soil surface during the growing season under normal or below normal rainfall conditions. Data from the Windley, Plum's Pit, and Winfield sites are used to compare to hydrology at applicable areas at Hell Swamp. Because of differences in maturity and disturbance characteristics of the mitigation site, these data will not be used for strict success or performance parameters, only to confirm local /regional hydrological response to precipitation. Flow gauges are also downloaded once a month and the data used to calculate duration and frequency of flow events. No control site for the flow parameter has been identified. 2.3 Vegetation. The second annual survey of the 123 0.22 -acre planted tree and shrub monitoring plots occurred in October and November 2011 and represents a 2 percent sample of the restoration area (Figure 2). Smaller (0.017 -acre) planted tree and shrub monitoring plots were also surveyed at 19 stream arrays to provide an estimate of stem density in the potential riparian buffer areas. Monitoring for three nuisance species [red maple (Acer rubrum), sweet gum (Liquidambar styraciflua), and loblolly pine (Pinus taeda)] occurred in 2011 for the first time as required (Year 2). Nuisance monitoring plots (1 meter square) were established at the corner opposite the well in all tree plots; all woody stems taller than 1 foot were counted and identified. 2.4 Hydrogeomorphic Monitoring of Streams and Valleys. The main channel that flows through the site is named Scott Creek from its headwaters to the downstream extent of the property at NC Route 99, where the creek flows through a road culvert and eventually discharges to Pungo Creek, a tributary to the Pungo River. For this report, it is divided into Upper Scott Creek, which contains the constructed single thread channel and the zero order valley upstream, and Lower Scott Creek. Several headwater tributaries (UT1 — UT8) were identified that would have historically drained to Scott Creek or Smith Creek and each is described and shown on Figures 2 - 4. Two cross sections in the Scott Creek single thread channel stream segment are measured annually during the monitoring period; the others are measured in the third and fifth monitoring years. 2.5 Photographic Documentation. Twenty (20) permanent photo point locations were established at random well locations and five were established near the perimeter of the restoration area (Figure 2). Photographs were taken in the four cardinal directions as well as an additional direction to capture as much of the plot as possible unless it was already captured in the other four photos. Photographs at the fixed -point stations were taken in July 2010 (baseline) and each subsequent fall during the monitoring period; second annual photographs were taken in October 2011. 3.0 SUMMARY DATA 3.1 Rainfall. Total rainfall recorded at the Hell Swamp rain gauge for 2011 was 50.54 inches and total rainfall recorded at the PCS Aurora NOAA Station 6 was 46.62 inches. Total 2011 rainfall recorded at the Belhaven NOAA station is incomplete at the time of this report so the monthly rainfall totals from PCS Aurora Station 6 were substituted for the Belhaven monthly gaps. The WETS 30 -year range of normal data shown on Figure 5 is derived from the latest available data set and comprises the years 1971 -2000. The 30 -day rolling total of Hell Swamp 2011 rainfall was considered within WETS normal range except for dry periods in mid - March, mid -May through mid - August, and all of December which were considered below normal. Mid - February was above normal and Hurricane Irene at the end of August resulted in above normal rainfall. Rainfall in September and most of October remained above normal (Figure 5). Hell Swamp /Scott Creek Mitigation Site 3 PCS Phosphate Company, Inc. Second Annual Report April 2012 Hydroperiods were calculated for the entire growing season without regards to normality of rainfall and were also calculated for the longest consecutive hydroperiod within the growing season during normal (and below normal) rainfall only. The US Drought Monitor (http: / /droughtmonitor.unl.edu) provides a synthesis of multiple indices and impacts and reflects the consensus of federal and academic scientists on regional conditions on a weekly basis (updated each Thursday). For North Carolina's Beaufort County, this monitor reported 28 weeks in 2011 with drought status (11 weeks were classified abnormally dry, 4.5 weeks were classified as under a moderate drought, and 12.5 weeks were classified as under a severe drought). During the 41 -week long growing season 16 weeks were classified as without any drought status. All but four of the weeks with some type of drought status occurred 15 March and 23 August with the arrival of Hurricane Irene. 3.2 Hydrology. The first full year of post- restoration hydrology data for the entire site was 2011 because construction activities prevented all wells from being installed at the start of the 2010 growing season. However, wells were installed as soon as construction in an area was complete, so data were collected during a large portion of the 2010 growing season over most of the site. Tables depicting 2011 daily well readings and rainfall are included on a companion CD with this report (hydrology graphs will be provided on a separate CD at a later time). 3.2.1 QA/QC of Well Performance. In 2011, approximately one third of the Hell Swamp wells were tested for performance. A proportional suite of wells were chosen across soil types mapped on the site as shown in the Beaufort County Soil Survey (Kirby 1995) and holes adjacent to each electronic well in the suite were augered to the same depth for comparison to the electronic well. If water was present in either hole, it was pumped out and water was added to both holes. Conversely, if no water was present, the same amount of water was added to both holes. The lapsed time between initial and final measurement ranged from one hour to 22 hours and depended on soil type and logistics. Of the 36 wells in the suite, 12 were in Arapahoe soils, six were in Portsmouth, five each were in Dragston and Tomotley, four were in Cape Fear, three were in Roanoke, and one was in Augusta. Of the 36 wells, five test holes originally showed a difference of 3 or more inches (three were drier and two were wetter than the screened hole). A second visit to these five sites indicated water level in two of the five test wells were still greater than 3 inches (one wetter [ Tomotley] and one drier [Arapahoe] than screened hole). In summary, results of both visits indicate that two test holes were greater than 3 inches different, two were within three inches, five were within 2 inches, 21 were within 1 inch, and six pair were both dry. Nine of the 36 screened wells contained 0.75 to 1.5 inches of sediment in the bottom of the screen; however, only one of the nine was wetter than the test hole, so clogged or plugged screens do not appear to be affecting well performance. 3.2.2 Geomorphic Monitoring, Flow Events and Annual Stream Surveys. Two cross sections (7 and 8) in the single thread channel of upper Scott Creek were established at baseline and are measured annually. The second annual measurement occurred in December 2011 and no areas of concern were identified. Appendix A contains the Baker geomorphic report. Data from the low flow gauges indicate flow occurred at almost all locations at some point during the year. In some cases, a particular gauge may not have recorded a flow event, but the gauge just upstream or downstream of the gauge had multiple events. While the gauges were deployed at logical locations where stream characteristics were perceived to occur over the course of the restoration and equilibration of the site to the new hydrology, some units may not be in the best location to capture flow events; as 2011 was a particularly dry year, the gauges will not be moved but may be redeployed in the future. Excessive rainfall and large flow volumes from Hurricane Irene may have overcome some of the units as the data appear suspect after Irene in some units where flow events recorded by the gauge were erratic or values were repetitive and no longer correlated with rainfall. A summary of the number of flow events and the number of calendar days with flow for each gauge is shown in Table 4. Tables for each gauge showing number of flow events and duration and a summary table of observations made during Hell Swamp /Scott Creek Mitigation Site 4 PCS Phosphate Company, Inc. Second Annual Report April 2012 downloads or troubleshooting visits are included in Appendix B. Photographs and video of flow at various locations or evidence of past flow events were taken and noted during both surveys and selected photos are included in Appendix B. An accompanying CD with video of flow at various locations is also included with this report. The first stream survey occurred 27 January 2011 when each headwater valley was walked to determine the locations for installation of the low flow gauges. In some instances, the location of the flow gauge was selected slightly upstream or downstream from a given well array depending on conditions. During the January survey, flow of varying amounts and depths was noted in almost all the valleys and at almost every gauge location. A second stream survey was conducted at the end of the year 30 November — 1 December 2011. Active flow was occurring during the second stream survey at UT8 and Lower Scott Creek; while water was encountered in other valleys, active flow was not discernible in the other valleys at the time of the second survey. However, evidence of past flow events was noted during the second stream survey in UT3, UT6, UT7, UT8, and Upper Scott Creek (sorting, deposition, shallow channel features, debris /wrack, and braids or meanders). Refer to Appendix B for a summary of the two surveys, selected photos, and map of documented stream features. 3.2.3 Hydroperiods. The majority of all wells exhibited wetland hydroperiods regardless of rainfall conditions (Tables 2A and 2B, Figure 6). Many wells had a wetland hydroperiod in the spring and in the fall. When only the longest consecutive hydroperiod during normal or below normal rainfall is calculated (i.e. excluding September and October), most wells still exhibited wetland hydroperiods, although many wetland hydroperiods were reduced (Tables 3A and 3B, Figure 7). The hydroperiods at some locations were shortened by well malfunctions. The monthly tables depicting 2011 daily noon readings and rainfall which are included with this report show those gaps. The site was wetter this year than last, even though except for the above normal rainfall months, the year was relatively dry, as was last year. As evidenced by the cumulative days shown in the tables, many wells had hydroperiods in addition to the longest hydroperiod (Tables 2 and 3). Rehydration of the site will continue as the site equilibrates to its new hydrology, although it may be delayed due to continued regional dryness. 3.2.3.1 Riparian Headwater Systems/Bottomlands. Most of the riparian wells (49 out of 92) exhibited a wetland hydroperiod greater than 12.5 percent of the growing season regardless of rainfall conditions (Table 2A, Figure 6). When counting cumulative days during the growing season, most wells (87) had water levels less than or equal to -12 inches for more than 6 percent of the growing season and 48 recorded hydroperiods 12.5 percent or greater. Eight riparian wells did not exhibit a hydroperiod greater than 6 percent which may be due to the somewhat dry conditions re: precipitation or to a location upslope of the riparian valley edge. Since many wells recorded wetland hydroperiods in both the spring and fall, when well data from above normal rainfall periods (September and October) are excluded, most wells still exhibited a wetland hydroperiod (Table 3A, Figure 7). Furthermore, even though many of the hydroperiods were reduced, only two of the wells (UT2 -1 C and UT8-1C) changed wetness category because of the long duration of the spring wetland hydroperiods. Most wells also measured water tables shallower than -12 inches between 1 February and 27 February. 3.2.3.2 Non - riparian Hardwood Flat Most (59) of the 111 non - riparian wells exhibited a wetland hydroperiod for greater than 12.5 to 25 percent of the growing season regardless of rainfall conditions (Table 2B, Figure 6). Sixteen percent (18) of wells exhibited a wetland hydroperiod of greater than 12.5 to 75 percent of the growing season and are scattered across the site (Table 2B, Figure 6). Sixty -nine percent (77) wells exhibited hydroperiods greater the 12.5 percent of the growing season. Many wells also measured water tables shallower than - 12 inches from 1 February through 27 February. Hell Swamp /Scott Creek Mitigation Site 5 PCS Phosphate Company, Inc. Second Annual Report April 2012 Since many wells recorded wetland hydroperiods in both the spring and fall, when well data from above normal rainfall periods (September and October) are excluded, most wells still exhibited a wetland hydroperiod (Table 3B, Figure 7). Furthermore, even though many of the hydroperiods were reduced, none of the wells changed wetness category because of the long duration of the spring wetland hydroperiod. In the wetland enhancement area, two wells recorded longer hydroperiods post- construction (24.8 to 32.3 percent in 2011 for HS17 and HS18) and the longest 2011 hydroperiod at HS2, which did not have pre- restoration data for comparison, was 25.5 percent. 3.2.4 Hydroperiod Comparison to Control Forests. 3.2.4.1 Plum's Pit. Three of the four wells at Plum's Pit recorded wetland hydroperiods of 32 or 33 percent and the fourth recorded a hydroperiod of 21 percent. When excluding above normal rainfall months, only one well had a wetland hydroperiod. All wells, except one also measured water tables shallower than -12 inches from 1 February through 27 February (Figures 6 and 7). 3.2.4.2 Windley. The three wells in the Windley tract (Refl - Ref3) exhibited hydroperiods of 26 or 32 percent of the growing season) regardless of rainfall conditions. However, during normal or below normal rainfall, the wetland hydroperiods were reduced. All wells also measured water tables shallower than -12 inches from 1 February through 27 February. Two of the wells did not measure many other days during the year outside the continuous hydroperiod with a shallow water table, but the well with the longest hydroperiod measured another 29 days with water shallower than -12 inches during the growing season (Figures 6 and 7). 3.2.4.3 Winfield. The seven wells in the Winfield tract were installed on 27 July 2011 after an agreement with the owner was reached to use the site as a hydrological control during the monitoring period; therefore, early spring hydroperiods were not recorded if they occurred. Three of the wells did not exhibit a wetland hydroperiod, two others were >6 percent but less than 12.5 percent. One well exhibited a 32 percent hydroperiod. None of the seven wells exhibited a wetland hydroperiod during normal rainfall (Figures 6 and 7). 3.3 Vegetation. Additional treatment to control the invasive common reed (Phragmites australis) occurred in September /October 2011 in the forested section of lower Scott Creek with application of Habitat @. Control of common reed in lower UT6 appears effective from previous treatment, but this and other areas will be assessed in June /July 2012 to determine whether subsequent treatment is necessary. Results of the Year 2 nuisance monitoring indicate that when all three species are combined, they represent 47.8 percent of the 180 stems counted in the 123 plots. When counted individually, loblolly pine was 31.7 percent, red maple was 11 percent, and sweet gum was 5 percent. Loblolly pine is a problem in three plots (HS2, HS122, and HS124) where 48 of the 57 total loblolly pines were counted. Plot HS2 is located in a wetland area that was a young pine forest prior to restoration with abundant seed source available to sprout. The other two problem plots are located near the southeastern boundary of the site, east of UT8, adjacent to mature loblolly pines along the property edge which also provide abundant seed source. This issue will be discussed with the Corps of Engineers and a course of action determined. By use of only the number of planted stems that were unquestionably alive in the monitoring plots, the most conservative estimate of survival is presented. Many stems appeared dead or questionable, but based on prior monitoring experience, a stem needs to appear dead (or not be found) for two sampling events before it can be confidently counted as dead. Appendix C Hell Swamp /Scott Creek Mitigation Site 6 PCS Phosphate Company, Inc. Second Annual Report April 2012 contains the number of stems that were alive in each plot for the baseline sampling event and for the fall 2011 survey. 3.3.1 Riparian Buffer. Overall survival of trees that were unquestionable alive in the 19 riparian buffer plots from baseline (mid- summer 2010) to fall 2011 was 84 percent, with a corresponding density of 725 trees per acre (Table 5). If trees with uncertain survival status (stem appeared dead but could not be confirmed) are included with trees that were definitely alive, survival increases to 92 percent and a density of 794 trees per acre. Red bay (Persea palustris) and water tupelo (Nyssa aquatica) had the lowest survival (38 and 40 percent, respectively and same as last year) when excluding the uncertain stems (Table 5). Twelve (12) of the 20 tree species had 80 percent or greater survival, with seven of the 12 at 100 percent survival. If uncertain stems are added, 12 species reach 100 percent. Only four shrub species represented by only a few stems were found in the riparian buffer plots; likely due to the overall low density of shrubs across the site and the small size of the buffer plot. Overall survival of shrubs from baseline (mid- summer 2010) measurement to fall 2011 was 60 percent for stems that were unquestionably alive with a corresponding density of 19 shrubs per acre (Table 5). If shrubs with uncertain survival status (stem appeared dead for the current sampling event but will not be confirmed until next fall) are included with shrubs that were definitely alive (less conservative estimate of survival), survival increases to 90 percent and a density of 28 shrubs per acre. All shrub survival percentages and densities are lower than last year. Buttonbush (Cephalanthus occidentalis, 1 stem) and winterberry (Ilex verticillata, 2 stems) had the lowest survival (0 percent) and swamp doghobble (Leucothoe racemosa, 1 stem) had the highest survival (100 percent) when excluding the uncertain stems. If uncertain stems are combined with those unquestionably alive, survival of the three species is 100 percent. The fourth species, Virginia willow (Itea virginica) is represented by five stems that were unquestionably alive but its survival is at 83 percent. Buttonbush and winterberry survival is much higher in the hardwood flat monitoring plots. Density in the potential riparian buffer areas for all trees and shrubs combined after fall 2011 survey was 747 stems per acre for all species unquestionably alive and 822 stems per acre if species with alive and uncertain survival status are combined. The current density is much higher than the 320 stems required for success, so even though densities and survivals are lower than last year, it is anticipated that the densities will remain above the minimum required amount. 3.3.2 Riparian Areas /Bottomlands. Within the 12 plots located in riparian /bottomland areas, overall survival of trees from baseline (mid- summer 2010) to fall 2011 survey was 78 percent for stems unquestionable alive, with a corresponding density of 290 stems per acre (Table 6). If trees with uncertain survival status (stem appeared dead but could not be confirmed) are included with trees that were definitely alive, survival increases to 88 percent and a density of 327 trees per acre. Survival of red bay, sweet bay (Magnolia virginiana), unidentified oaks, and water tupelo is less than 50 percent and less than 15 percent for the two bays. Survival of eight of the 18 tree species is >_90 percent and two of these eight are 100 percent. When the uncertain stems are included, survival of nine species is >_90 percent, six of which are 100 percent. Overall survival of shrubs from baseline (mid- summer 2010) to fall 2011 survey was 53 percent for stems that were unquestionably alive, with a corresponding density of 6 shrubs per acre (Table 6). If shrubs with uncertain survival status (stem appeared dead for the current sampling event but could not be confirmed and will be confirmed at the next event) are included with shrubs that were definitely alive (less conservative estimate of survival), survival increases to 63 percent and a density of 9 shrubs per acre. When all 92 riparian plots are combined (Table 5 and Table 6), density of all unquestionably alive stems in the riparian areas after the 2011 fall survey is 346 stems per acre Hell Swamp /Scott Creek Mitigation Site 7 PCS Phosphate Company, Inc. Second Annual Report April 2012 and survival is 73 percent. When the uncertain stems are included, density increases to 390 stems per acre and 83 percent survival. Both density estimates are higher than the 260 stems required for successful restoration. 3.3.3 Non - riparian Hardwood Flat. Overall survival of trees unquestionably alive in the 111 plots representing the non - riparian hardwood flat area from baseline (mid- summer 2010) to fall 2011 was 91 percent, with a corresponding density of 380 trees per acre (Table 7). If trees with uncertain survival status (stem appeared dead but could not be confirmed) are included with trees that were definitely alive, survival increases to 96 percent and a density of 401 trees per acre. Sourwood (Oxydendron arboreum), red bay, and unidentified oak species had the lowest survival (0, 14, and 19 percent, respectively) when excluding the uncertain stems, and 15 species had 90 percent or greater survival (Table 7). When adding the uncertain stems, nine of the 25 tree species had 100 percent survival and 20 had 90 percent or greater survival. Overall survival of shrubs from baseline (mid- summer 2010) to fall 2011 survey was 86 percent for stems that were unquestionably alive, with a corresponding density of 13 shrubs per acre (Table 7). If shrubs with uncertain survival status (stem appeared dead for the current sampling event but could not be confirmed and will be confirmed at the next event) are included with shrubs that were definitely alive (less conservative estimate of survival), survival increases to 94 percent and a density of 14 shrubs per acre. Swamp rose (Rosa palustris) had the lowest survival when excluding the uncertain stems (0 percent) but was represented by only 1 stem in all plots (Table 7). Swamp doghobble and possumhaw viburnum (Viburnum nudum) had the highest survival (100 percent) when excluding uncertain stems and five other shrub species had >90 percent survival. If uncertain stems are combined with those unquestionably alive, survival of five of the ten species is 100 percent and all species survival is greater than 89 percent. Density in the non - riparian hardwood flat areas for all trees and shrubs combined after the 2011 survey was 394 stems per acre for all species unquestionably alive (88 percent survival), and 417 stems per acre if species with alive and uncertain survival status are combined (93 percent survival) (Table 7). Both density estimates are higher than the required 260 stems. 3.5 Photographic Documentation. Although the planted stems rarely show above the vegetation yet, a few photos representative of 2011 conditions are paired with baseline photos at the same location in this report for comparison (Appendix D). More are available upon request. 4.0 SUMMARY According to WETS rainfall estimates, dry periods in mid - March, mid -May through mid - August, and all of December were considered below normal. Hurricane Irene at the end of August resulted in above normal rainfall and September and most of October remained above normal due to large rain events. Post - restoration wetland hydrology and flow monitoring for success officially began January 2011. Most wells on the entire Hell Swamp site, including on the nine headwater valley systems, recorded wetland hydroperiods during periods of normal or below normal rainfall. Wells at Plum's Pit and Windley reference forests also recorded similar wetland hydroperiods. Wells at Winfield reference forest recorded no wetland hydroperiod or shorter hydroperiods than the Hell Swamp and the other control forests, possibly as a result of not being installed until mid - summer, after the wet winter /spring. Some evidence of flow (braided patterns, channel formation, flowing water) has been seen in some areas of most of the stream valley systems, including the single- thread channel. Hell Swamp /Scott Creek Mitigation Site 8 PCS Phosphate Company, Inc. Second Annual Report April 2012 Overall survival of trees unquestionably alive in the 19 riparian buffer plots from baseline (mid- summer 2010) to fall 2011 survey was 84 percent, with a corresponding density of 725 trees per acre. Overall survival of shrubs in the potential riparian buffer areas from baseline (mid- summer 2010) to fall 2011 survey was 60 percent for stems that were unquestionably alive, with a corresponding density of 19 shrubs per acre. Survival density in the potential riparian buffer areas for all trees and shrubs combined after the 2011 survey was 747 stems per acre for all species unquestionably alive and 822 stems per acre if species with alive and uncertain survival status are combined. Overall survival of trees unquestionably alive in the other 12 riparian plots from baseline (mid- summer 2010) to fall 2011 survey was 78 percent, with a corresponding density of 290 trees per acre. Overall survival of shrubs in the riparian plots from baseline (mid- summer 2010) to fall 2011 survey was 53 percent for stems that were unquestionably alive, with a corresponding density of 6 shrubs per acre. Survival density in the 12 riparian plots for all trees and shrubs combined after the 2011 survey was 297 stems per acre for all species unquestionably alive and 338 stems per acre if species with alive and uncertain survival status are combined. When all riparian data are combined, density is 346 stems per acre and survival is 73 percent for stems unquestionably alive. Overall survival of trees in the 111 non - riparian hardwood flat plots from baseline (mid- summer 2010) survey to fall 2011 was 91 percent, with a corresponding density of 380 trees per acre; when uncertain stems are included survival increases to 96 percent and density is 401 stems trees per acre. Overall survival of shrubs in the hardwood flat areas from baseline (mid- summer 2010) measurement to fall 2011 survey was 86 percent for stems that were unquestionably alive, with a corresponding density of 13 shrubs per acre; when uncertain stems are included, survival increases to 94 percetn and density is 14 stems per acre. Survival density in the non - riparian hardwood flat areas for all trees and shrubs combined after the 2011 survey was 394 stems per acre for all species unquestionably alive and 417 stems per acre if species with alive and uncertain survival status are combined. Overall survival of all stems unquestionably alive at Hell Swamp is 86 percent with 388 stems per acre; with the uncertain stems added survival increases to 92 percent and 414 stems per acre. All planted areas are currently well above density success requirements for each type of mitigation. Hell Swamp /Scott Creek Mitigation Site 9 PCS Phosphate Company, Inc. Second Annual Report April 2012 LITERATURE CITED CZR Incorporated. 2009. Compensatory Mitigation Plan for Restoration of Hell Swamp /Scott Creek Watershed. CZR Incorporated. 2010. As -Built Report for the Hell Swamp /Scott Creek Restoration Site. CZR Incorporated 2011. Baseline and First Annual Report for the Hell Swamp /Scott Creek Restoration Site. Kirby, Robert M. 1995. The soil survey of Beaufort County, North Carolina. Natural Resources Conservation Service, USDA. U.S. Army Corps of Engineers. 2002. Regulatory guidance letter (RGL) 02 -02. Guidance on Compensatory mitigation projects for aquatic resource impacts under the Corps regulatory program pursuant to Section 404 of the Clean Water Act and Section 10 of the Rivers and Harbors Act. U.S. Army Corps of Engineers, EPA, NC Wildlife Resources Commission, and NC Division of Water Quality. 2003. Stream Mitigation Guidelines. Wilmington, NC. U.S. Army Corps of Engineers. 2005. Technical Standard for Water -Table Monitoring of Potential Wetland Sites. WRAP Technical Notes Collection (ERDC TN- WRAP- 05 -2.) U.S. Army Engineer Research and Development Center, Vicksburg, MS U.S. Army Corps of Engineers and NC Division of Water Quality. 2007. Draft information on stream restoration with emphasis on the coastal plain. 4 April supplement to USACOE, et al. 2003. U.S. Army Corps of Engineers. 2008. Regulatory Guidance Letter (RGL) 08 -03. Minimum monitoring requirements for compensatory mitigation projects involving the restoration, establishment, and /or enhancement of aquatic resources. U.S. Army Corps of Engineers. 2010. Regional supplement to the Corps of Engineers wetland delineation manual: Atlantic and Gulf coastal plain region. Version 2.0. J.S. Wakeley, R.W. Lichvar, and C.V. Noble, eds. ERCD /EL TR- 08 -30, Vicksburg, MS. Hell Swamp /Scott Creek Mitigation Site 10 PCS Phosphate Company, Inc. Second Annual Report April 2012 Table 1. Performance criteria, methods summary, and current status. Type of Mitigation Performance Criteria Documentation Methods Dimension & Controls Current Status 85 percent of wells had a 28 February — 6 December; hydroperiod greater than Semi - continuous monitoring Belhaven NOAA WETS data 12.5 percent of the growing ?12.5 to 25 and >12.5 to 75 wells (arrays); onsite rain for normal rainfall; valley season, 5 percent had a percent hydroperiod within gauge; as -built cross dimensions as indicated by marginal hydroperiod ( >6- the topographic valley sections LiDAR, cross sections, 12.5 percent of the growing comparison to 3 control sites, season), and 8.7 percent did and agency concurrence not exhibit a wetland hydroperiod. Survival for all trees after the Riparian wetland restoration 2011 sampling event was (headwater forest and 290 stems per acre (78% bottomland hardwood) survival) for all species Vegetation plots on 2 unquestionably alive and 327 Survival of 260 planted trees percent of the site; 12 stems per acre (88% per acre (using acreage riparian plots (HS42, HS53, Annual monitoring survival) if species with alive planted in trees) of 5- year HS67, HS70, HS75, HS79, and unsure survival status old planted woody stems HS82, HS91, HS92, HS93, are combined. [If data from HS94, HS123) the 19 buffer plots are also added; the stems per acre increases to 346 (73% survival) and 390 (83% survival)]. Flow from upper Scott Creek is now delivered directly into the wooded riparian wetland instead of into the excavated diversion channel along the north edge of the woods. Riparian wetland Increase in wetland Semi - continuous monitoring 28 February — 6 December; The channel was filled as enhancement hydroperiod from pre- wells; onsite rain gauge Belhaven NOAA WETS data part of the restoration of restoration conditions for normal rainfall Scott Creek watershed. Additionally, overland flow from the watershed north of the wooded riparian wetland can now enter this wetland without being diverted offsite by the old channel. N Table 1. (continued) Type of Mitigation Performance Criteria Documentation Methods Dimension & Controls Current Status 68 percent of wells had a hydroperiod greater than 28 February — 6 December; 12.5 percent of the growing ?6 percent 1 hydroperiod for Semi - continuous monitoring Belhaven NOAH WETS data season, 16 percent had a hydric mineral soils wells (1 well /10 acres); for normal rainfall, marginal hydroperiod ( >6- onsite rain gauge comparison to 3 control sites 12.5 percent of the growing season), and 16 percent did not exhibit a wetland Non - riparian wetland hydroperiod. restoration (hardwood flats) Survival density for all trees after the 2011 sampling Survival of 260 planted trees event was 380 stems per per acre (using acreage Vegetation plots on 2 acre (91 /o survival) for all planted in trees) of 5 -year percent of the site; 111 Annual monitoring species unquestionably alive old planted woody stems plots and 401 stems per acre o (96 /o survival) if species with alive and unsure survival status are combined. The hydroperiods at the two Non - riparian wetland Increase in wetland Semi - continuous monitoring 28 February — 6 December; wells with pre- restoration enhancement (hardwood hydroperiod from pre- wells HS2, HS17, HS18; Belhaven NOAA WETS data data increased and HS2 (no flats) restoration conditions onsite rain gauge for normal rainfall, pre -data) exhibited a comparison to 3 control sites hydroperiod of 26 percent in 2011. Photographs of flow Some braided patterns and conditions 2 (e.g., sediment Corps and DWQ April 2007 channel formation was seen Linear feet of credit based deposits, debris flows, Information; Calendar year; in some areas of most Zero to first order stream on most upstream location wrack lines, sinuosity, Belhaven NOAH WETS data stream valleys. Flowing restoration within riparian of flow documented at least braided features, channel for normal rainfall; flow water water was seen in the single - headwater system twice per year in 3 years out features); semi - continuous confined to times of thread channel. Video of of 5 monitoring well arrays; rainfall some flow events is included GPS; open channel flow with CD which accompanies monitoring equipment. this report. w Table 1. (concluded) Type of Mitigation Performance Criteria Documentation Methods Dimension & Controls Current Status Flowing water was seen in the single- thread channel on Two bankfull events in numerous visits and separate years during 5 Photos winter and summer; Stream Mitigation Guidelines recorded by gauges. years of monitoring channel stability analysis April 2003 Evidence of out of bank events was also noted. Video of some flow events on CD included with this report. Survival density in all the potential riparian buffer areas First or second order stream for all stems after the 2011 restoration sampling was 725 stems per 80 percent survival of acre for all species planted tree species within unquestionably alive and 794 50 feet of stream on each Established vegetation Stream Mitigation Guidelines stems per acre if species side after 5 years (or 320 plots; plant survival analysis April 2003 with alive and uncertain trees per acre- per buffer survival status are combined. criteria) Density in the one buffer plot within the single thread segment is 294 stems per acre for all alive and 412 when combined with unsure stems. 15A NCAC 02B.0260 Tar - Survival density in the Pamlico River Basin potential riparian buffer areas 50 feet one or both sides of Mitigation Program for for all trees and shrubs stream feature shown on Riparian Buffers; DWQ 25 combined after the 2011 USGS or county soil survey Monitoring for planted tree January 2008 Clarification sampling event was 725 Riparian buffer restoration or zero order stream survival within established #2008 -017; for zero order stems per acre for all species segment with 320 trees per plots at years 1, 3, and 5. streams, flexible buffer unquestionably alive and 794 acre at maturity (5 years) mitigation if approved by stems per acre if species EMC as stated in 401 with alive and uncertain certification dated 15 January survival status are combined. 2009 (DWQ#2008 -0868) 1 With elevations ranging from 9 feet above MSL to less than 1 foot, the non - riparian mineral flats at Hell Swamp will have a range of hydroperiods increasing downslope into the riparian wetlands. 2 Documentation may be for active or past flow conditions; may include other agency- approved structural elements or use of technical equipment not on list. Table 2A. Longest hydroperiods in 2011 of 92 riparian wells (includes 80 stream array wells) at Hell Swamp restoration site. Hydrologic Zone (NC WETS) Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb -6 days 28 Feb -6 Well where water Dec where Dec where Dates growing <6 o >6-12.5% 0 >12.5 -25 /o 0 >25 -75 /o table is -12" water table is - water table is - season or above (282 days) 12" or above 12" or above* 42 27 175 72 28Feb -10May 25.5 X 53 27 167 72 28Feb -10May 25.5 X 67 27 169 73 28Feb -11 May 25.9 X 70 23 63 22 28Feb -21 Mar 7.8 X 75 27 146 56 28Feb -24Apr 19.9 X 79 27 75 20 28Feb -19Mar 7.1 X 82 27 119 56 28Feb -24Apr 19.9 X 91 20 43 <17 NA <6 X 72 28Feb -10May 25.5 92 27 171 102 27Aug -6Dec 27.3 X 93 27 106 63 28Feb -1 May 22.3 X 94 15 46 <17 NA <6 X 123 26 123 53 28Feb -21Apr 18.8 X UT1 -1A 20 65 <17 NA <6 X UT1 -1C 27 146 66 28Feb -4May 23.4 X UT1 -2A 27 154 56 28Feb -24Apr 19.9 X Table 2A. (continued). Hydrologic Zone (NC WETS) Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb -6 days 28 Feb -6 Well where water Dec where Dec where Dates growing <6 o >6-12.5% 0 >12.5 -25 /o 0 >25 -75 /o table is -12" water table is - water table is - season or above (282 days) 12" or above 12" or above* 72 28Feb -10May 25.5 UT1 -2C 27 173 19 27Aug- 14Sept 6.7 X 82 16Sept -6Dec 29.1 UT1 -3A 27 163 71 28Feb -9May 25.2 X UT1 -3C 27 164 71 28Feb -9May 25.2 X UT2 -1A 27 160 64 28Feb -2May 22.7 X UT2 -1 C 27 165 82 16Sept -6Dec 29.1 X UT2 -2A 27 129 55 28Feb -23Apr 19.5 X UT2 -2C 27 141 56 28Feb -24Apr 19.9 X UT3 -1A 27 157 64 28Feb -2May 22.7 X UT3 -1 C 27 166 66 28Feb -4May 23.4 X UT3 -2A 27 137 56 28Feb -24Apr 19.9 X UT3 -3A 27 124 66 28Feb -4May 23.4 X UT3 -3C 27 130 55 28Feb -23Apr 19.5 X UT3 -4A 25 81 47 28Feb -15Apr 16.7 X UT3 -4C 27 117 52 28Feb -20Apr 18.4 X UT3 -5A 27 164 67 28Feb -5May 23.8 X UT3 -5C 27 107 56 28Feb -24Apr 19.9 X Table 2A. (continued). Hydrologic Zone (NC WETS) Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb -6 days 28 Feb -6 Well where water Dec where Dec where Dates growing <6 o >6-12.5% 0 >12.5 -25 /o 0 >25 -75 /o table is -12" water table is - water table is - season or above (282 days) 12" or above 12" or above* UT3 -6A 27 147 66 28Feb -4May 23.4 X UT3 -7A 25 101 53 28Feb -21Apr 18.8 X UT3 -7C 27 146 66 28Feb -4May 23.4 X UT3 -8A 27 144 65 28Feb -3May 23.0 X UT3 -8C 27 160 66 28Feb -4May 23.4 X UT3 -9A 27 130 70 28Feb -8May 24.8 X UT3 -9C 27 174 102 27Aug -6Dec 36.2 X UT4 -1A 27 135 56 28Feb -24Apr 19.9 X UT4 -1 C 27 147 66 28Feb -4May 23.4 X UT4 -2A 27 85 54 28Feb -22Apr 19.1 X UT5 -1A 27 175 102 27Aug -6Dec 36.2 X UT5 -1 C 27 136 65 28Feb -3May 23.0 X UT5 -2A 25 67 47 28Feb -15Apr 16.7 X UT6 -4A 25 100 52 28Feb -20Apr 18.4 X UT6 -4C 24 80 20 28Feb -19Mar 7.1 X UT6 -5A 20 51 <17 NA <6 X UT6 -5C 20 56 <17 NA <6 X Table 2A. (continued). Hydrologic Zone (NC WETS) Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb -6 days 28 Feb -6 Well where water Dec where Dec where Dates growing <6 o >6-12.5% 0 >12.5 -25 /o 0 >25 -75 /o table is -12" water table is - water table is - season or above (282 days) 12" or above 12" or above* UT6 -6A 27 97 54 28Feb -22Apr 19.1 X UT6 -6C 27 91 53 28Feb -21Apr 18.8 X UT7 -1A 20 64 <17 NA <6 X UT7 -1 C 25 76 23 28Feb -22Mar 8.2 X UT7 -2A 27 108 55 28Feb -23Apr 19.5 X UT7 -2C 27 93 53 28Feb -21Apr 18.8 X UT7 -3A 27 106 55 28Feb -23Apr 19.5 X UT7 -3C 27 92 52 28Feb -20Apr 18.4 X UT8 -1A 27 149 63 28Feb -1 May 22.3 X UT8 -1 C 27 177 67 28Feb -5May 23.8 X 102 27Aug -6 Dec 27 UT8 -2A 27 141 67 28Feb -5May 23.8 X UT8 -2C 27 160 66 28Feb -4May 23.4 X UT8 -3A 27 137 53 28Feb -21Apr 18.8 X UT8 -3C 27 153 66 28Feb -4May 23.4 X UT8 -4A 27 171 72 28Feb -10May 25.5 X 102 27Aug -6 Dec 27 UT8 -4C 27 148 78 28Feb -16May 27.7 X Table 2A. (continued). Hydrologic Zone (NC WETS) Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb -6 days 28 Feb -6 Well where water Dec where Dec where Dates growing <6 o >6-12.5% 0 >12.5 -25 /o 0 >25 -75 /o table is -12" water table is - water table is - season or above (282 days) 12" or above 12" or above* UT8 -5A 15 46 <17 NA <6 X UT8 -5C 22 86 <17 NA <6 X UT8 -6A 27 164 66 28Feb -4May 23.4 X UT8 -6C 27 166 71 28Feb -9May 25.2 X 102 27Aug -6Dec 36.2 USCAA 27 178 76 28Feb -14May 27 27 X 102 27Aug - -6Dec USC -1 C 27 174 78 28Feb -16May 27.7 X USC -2A 19 81 20 28Feb -19Mar 7.1 X USC -2C 27 137 63 28Feb -1 May 22.3 X USC -3C 27 146 52 28Feb -20Apr 18.4 X USC -4A 27 122 53 28Feb -21Apr 18.8 X USC -4C 27 141 53 28Feb -21Apr 18.8 X USC -5A 27 176 72 28Feb -10May 25.5 X 102 27Aug -6Dec 36.2 USC -5C 27 102 72 28Feb -10May 25.5 X 102 27Aug -6Dec 36.2 USC -6A 27 102 80 28Feb -18May 28.4 X 102 27Aug -6Dec 36.2 USC -6C 27 102 79 28Feb -17May 28 X 102 27Aug -6Dec 36.2 Table 2A. (concluded). *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or if they are only separated by a few days) are listed Hydrologic Zone (NC WETS) Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb -6 days 28 Feb -6 Well where water Dec where Dec where Dates growing <6 o >6-12.5% 0 >12.5 -25 /o 0 >25 -75 /o table is -12" water table is - water table is - season or above (282 days) 12" or above 12" or above* USC -7A 27 102 78 28Feb -16May 27.7 X 102 27Aug -6Dec 36.2 USC -7C 27 102 83 28Feb -21 May 29.4 X 102 27Aug -6Dec 36.2 USC -8A 27 181 79 28Feb -17May 28 X 102 27Aug -6Dec 36.2 USC -8C 27 178 76 28Feb -14May 27 X 102 27Aug -6Dec 36.2 USC -9A 27 151 63 28Feb -1 May 22.3 X USC -9C 27 145 62 28Feb -30Apr 22.0 X USC-10A 27 174 72 28Feb -10May 25.5 X 102 27Aug -6Dec 36.2 USCA1A 27 180 78 28Feb -16May 27.7 X 102 27Aug -6Dec 36.2 USC -11 C 27 192 90 28Feb -28May 31.9 X 102 27Aug -6Dec 36.2 USCA2A 27 178 78 28Feb -16May 27.7 X 102 27Aug -6Dec 36.2 US -12C 27 192 90 28Feb -28May 31.9 X 102 27Aug -6Dec 36.2 USCA 3A 27 186 83 28Feb -21 May 29.4 X 102 27Aug -6Dec 36.2 USC -13C 27 167 73 28Feb -11 May 25.9 X 102 27Aug -6Dec 36.2 *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or if they are only separated by a few days) are listed 0 Table 2B. Longest hydroperiods in 2011 of 111 non - riparian hardwood flat monitoring wells at Hell Swamp restoration site. Hydrologic Zone (NC WETS) Consecutive Days 1 -27 Feb Percent of Cumulative days 28 days 28 Feb -6 Well where water Feb -6 Dec where water Dec where Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or season (282 table is -12" or above water table is - above days) 12" or above* 1 27 231 119 28Feb -26Jun 42.2 X 2 ** 27 163 72 28Feb -10May 25.5 X 3 27 120 56 28Feb -24Apr 19.9 X 4 27 92 52 28Feb -20Apr 18.4 X 5 26 112 53 28Feb -21Apr 18.8 X 6 27 121 55 28Feb -23Apr 19.5 X 27 27Mar -22Apr 9.6 7 27 104 23 23Sept -150ct 8.2 X 8 27 89 55 28Feb -23Apr 19.5 X 9 27 148 65 28Feb -3May 23.0 X 23 28Feb -22Mar 8.2 27 27Mar -22Apr 9.6 10 25 104 22 23Sept -140ct 7.8 X 11 12 23 <17 NA <6 X 12 27 179 91 27Aug -6Dec 32.3 X 94 28Feb -1 Jun 33.3 13 27 196 91 7Aug -6Dec 32.3 X 14 19 73 19 1 Mar-1 Mar 6.7 X 21 28Feb -20Mar 7.4 23 24Mar -15Apr 8.2 15 27 122 24 23Sept -160ct 8.5 X Table 2B. (continued). Hydrologic Zone (NC WETS) Consecutive Days 1 -27 Feb Percent of Cumulative days 28 days 28 Feb -6 Well where water Feb -6 Dec where water Dec where Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or season (282 table is -12" or above water table is - above days) 12" or above" 16 27 160 66 28Feb -4May 23.4 X 17 27 158 70 28Feb -8May 24.8 X 83 28Feb -21 May 29.4 18 27 186 91 27Aug -6Dec 32.3 X 20 1 Mar -20Mar 7.1 19 21 83 25 27Mar -20Apr 8.9 X 26 27Mar -21Apr 9.2 20 27 94 24 23Sept -160ct 8.5 X 21 27 173 91 27Aug -6Dec 32.3 X 22 27 99 54 28Feb -22Apr 19.1 X 22 28Feb -21 Mar 7.8 23 21 80 20 27Mar -15Apr 7.1 X 67 28Feb -5May 23.8 19 27Aug- 14Sept 6.7 45 16Sept -30Oct 16 24 27 168 36 1 Nov -6Dec 12.8 X 22 28Feb -21 Mar 7.8 25 27 90 24 27Mar -19Apr 8.5 X 26 27 152 56 28Feb -24Apr 19.9 X 27 27 177 91 27Aug -6Dec 32.3 X 28 27 186 91 27Aug -6Dec 32.3 X 29 27 122 55 28Feb -23Apr 19.5 X 30 27 81 47 28Feb -15Apr 16.7 X N Table 2B. (continued). Hydrologic Zone (NC WETS) Consecutive Days 1 -27 Feb Percent of Cumulative days 28 days 28 Feb -6 Well where water Feb -6 Dec where water Dec where Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or season (282 table is -12" or above water table is - above days) 12" or above" 31 25 89 19 27Mar -14Apr 6.7 X 32 27 87 54 28Feb -22Apr 19.1 X 33 19 64 <17 NA <6 X 34 27 104 52 28Feb -20Apr 18.4 X 35 27 98 51 28Feb -19Apr 18.1 X 36 27 93 55 28Feb -23Apr 19.5 X 37 27 180 102 27Aug -6Dec 36.2 X 38 27 159 102 27Aug -6Dec 36.2 X 39 20 55 <17 NA <6 X 40 27 158 66 28Feb -4May 23.4 X 41 20 67 <17 NA <6 X 43 18 31 <17 NA <6 X 44 21 56 <17 NA <6 X 45 27 83 51 28Feb -19Apr 18.1 X 46 27 73 39 28Feb -7Apr 13.8 X 47 27 107 56 28Feb -24Apr 19.9 X 48 27 175 102 Aug27 -6Dec 36.2 X w Table 2B. (continued). Hydrologic Zone (NC WETS) Consecutive Days 1 -27 Feb Percent of Cumulative days 28 days 28 Feb -6 Well where water Feb -6 Dec where water Dec where Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or season (282 table is -12" or above water table is - above days) 12" or above" 49 27 165 67 28Feb -5May 23.8 X 50 19 56 <17 NA <6 X 51 12 18 <17 NA <6 X 52 22 49 <17 NA <6 X 54 27 95 56 28Feb -24Apr 19.9 X 55 27 149 55 28Feb -23Apr 19.5 X 56 24 74 19 27Mar -14Apr 6.7 X 57 22 50 <17 NA <6 X 58 22 68 <17 NA <6 X 59 23 81 23 28Feb -22Mar 8.2 X 60 27 161 66 28Feb -4May 23.4 X 61 27 118 23 28Feb -22Mar 8.2 X 62 25 85 52 28Feb -20Apr 18.4 X 63 27 132 66 28Feb -4May 23.4 X 64 27 152 65 28Feb -3May 23.0 X 65 24 72 22 28Feb -21 Mar 7.8 X 66 18 49 <17 NA <6 X Table 2B. (continued). Hydrologic Zone (NC WETS) Consecutive Days 1 -27 Feb Percent of Cumulative days 28 days 28 Feb -6 Well where water Feb -6 Dec where water Dec where Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or season (282 table is -12" or above water table is - above days) y ) 12" or above" 82 28Feb -20May 29.1 68 27 182 102 27Aug -6Dec 36.2 X 69 22 76 21 1 Mar -21 Mar 7.4 X 71 25 57 52 28Feb -20Apr 18.4 X 72 27 132 66 28Feb -4May 23.4 X 73 27 148 70 28Feb -8May 24.8 X Hydrologic Zone (NC WETS) Percent of Consecutive Well Days 1 -27 Feb Cumulative days 28 days 28 Feb -6 Dates growing <6 o >6 -12.5 /o 0 >12.5 -25 /o 0 >25 -75 /o > -12" Feb -6 Dec > -12" season (282 Dec > -12" days) 74 27 158 68 28Feb -6May 24.1 X 76 24 57 22 28Feb -21 Mar 7.8 X 77 27 167 66 28Feb -4May 23.4 X 78 24 101 47 28Feb -15Apr 16.7 X 80 25 98 53 28Feb -21Apr 18.8 X 81 27 132 66 28Feb -4May 23.4 X 83 19 51 <17 NA <6 X 84 25 105 23 28Feb -22Mar 8.2 X cr Table 2B. (continued). Hydrologic Zone (NC WETS) Percent of Consecutive Well Days 1 -27 Feb Cumulative days 28 days 28 Feb -6 Dates growing <6 o >6 -12.5 /o 0 >12.5 -25 /o 0 >25 -75 /o > -12" Feb -6 Dec > -12" season (282 — — Dec > -12" days) 85 27 136 69 28Feb -7May 24.5 X 86 25 77 47 28Feb -15Apr 16.7 X 87 27 124 56 28Feb -24Apr 19.9 X 66 28Feb -4May 23.4 88 27 173 62 26Aug -26Oct 22.0 X 89 27 97 56 28Feb -24Apr 19.9 X 90 25 75 39 28Feb -7Apr 13.8 X 95 27 73 66 28Feb -4May 23.4 X 96 27 147 64 28Feb -2May 22.7 X 97 27 158 70 28Feb -8May 24.8 X 98 27 104 54 28Feb -22Apr 19.1 X 99 27 144 67 28Feb -5May 23.8 X 100 27 179 102 27Aug -6Dec 36.2 X 101 27 179 102 27Aug -6Dec 36.2 X 102 22 63 20 28Feb -19Mar 7.1 X 103 27 79 53 28Feb -21Apr 18.8 X 104 27 90 52 28Feb -20Apr 18.4 X 105 27 65 <17 NA <6 X rn Table 2B. (continued). Hydrologic Zone (NC WETS) Percent of Consecutive Days 1 -27 Feb Cumulative days 28 growing Well days 28 Feb -6 Dates <6 o >6 -12.5 /o 0 >12.5 -25 /o 0 >25 -75 /o > -12" Feb -6 Dec > -12" season (282 — — Dec > -12" days) 106 25 59 26 28Feb -25Mar 9.2 X 107 27 105 56 28Feb -24Apr 19.9 X 108 27 143 66 28Feb -4May 23.4 X 109 27 113 52 28Feb -20Apr 18.4 X 81 28Feb -19May 28.7 110 27 186 102 27Aug -6Dec 36.2 X 111 27 147 66 28Feb -4May 23.4 X 112 27 126 56 28Feb -24Apr 19.9 X 113 27 96 55 28Feb -23Apr 19.5 X 114 27 201 102 27Aug -6Dec 36.2 X 115 27 165 71 28Feb -9May 25.2 X 116 27 165 66 28Feb -4May 23.4 X 117 27 282 282 28Feb -6Dec 100.0 X 118 27 86 54 28Feb -22Apr 19.1 X 119 27 132 66 28Feb -4May 23.4 X 120 15 45 <17 NA <6 X 121 27 102 49 28Feb -17May 17.4 X 122 23 65 <17 NA <6 X 124 20 65 <17 NA <6 X Table 2B. (concluded). *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or only separated by a few days) are listed * *This well located in existing jurisdictional wetland Hydrologic Zone (NC WETS) Percent of Consecutive Days 1 -27 Feb Cumulative days 28 growing Well days 28 Feb -6 Dates <6 o >6 -12.5 /o 0 >12.5 -25 /o 0 >25 -75 /o > -12" Feb -6 Dec > -12" season (282 — — Dec > -12* days) Control wells 18 27Aug- 13Sept 6.3 Ref1 27 167 73 16Sept -6Dec 25.9 X 70 28Feb -8May 24.8 18 27Aug- 13Sept 6.4 Ref2 27 170 73 16Sept -6Dec 25.9 X Ref3 27 181 102 27Aug -6Dec 36.2 X PP1 17 123 102 27Aug -6Dec 36.2 X PP2 27 170 102 27Aug -6Dec 36.2 X 82 28Feb -20May 29.1 PP3 27 187 102 27Aug -6Dec 36.2 X 52 28Feb -20Apr 18.4 PP4 27 151 60 27Aug -27Oct 21.3 X WF -1 Installed 28 Jul 102 91 27Aug -6Dec 36.2 X WF -2 Installed 28 Jul 27 17 23Sept -9Oct 6 X WF -3 Installed 28 Jul 29 21 23Sept -130ct 7.4 X WF -4 Installed 28 Jul 17 <17 NA <6 X WF -5 Installed 28 Jul 14 <17 NA <6 X WF -6 Installed 28 Jul 59 35 28Sept -27Oct 12.4 X WF -7 Installed 28 Jul 18 <17 NA <6 X *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or only separated by a few days) are listed * *This well located in existing jurisdictional wetland w Table 3A. Longest hydroperiods in 2011 of 92 riparian wells (includes 80 stream array wells) at Hell Swamp restoration site during normal or below normal rainfall in September and October was considered above WETS normal rainfall. Hydrologic Zone (NC WETS) Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb-6 days 28 Feb-6 Well where water Dec where Dec where water Dates growing <6 o >6-12.5% 0 >12.5 -25 /o 0 >25 -75 /o table is -12" water table is - table is -12" or season — orabove (282 days) 12" or above above" 42 27 118 72 28Feb -10May 25.5 X 53 27 113 72 28Feb -10May 25.5 X 67 27 113 73 28Feb -11 May 25.9 X 70 23 52 22 28Feb -21 Mar 7.8 X 75 27 105 56 28Feb -24Apr 19.9 X 79 27 65 20 28Feb -19Mar 7.1 X 82 27 104 56 28Feb -24Apr 19.9 X 91 20 40 <17 NA <6 X 92 27 113 72 28Feb -10May 25.5 X 93 27 104 63 28Feb -1 May 22.3 X 94 15 37 <17 NA <6 X 123 26 95 53 28Feb -21Apr 18.8 X UT1 -1A 20 46 <17 NA <6 X UT1 -1C 27 107 66 28Feb -4May 23.4 X UT1 -2A 27 104 56 28Feb -24A r 19.9 X Table 3A (continued). H drolo is Zone NC WETS Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb-6 days 28 Feb-6 Well where water Dec where Dec where water Dates growing <6 >6 -12.5% >12.5 -25% >25 -75% table is -12" water table is - table is -12" or season or above (282 days) 12" or above above" UT1 -2C 27 113 72 28Feb -10May 25.5 X UT1 -3A 27 110 71 28Feb -9May 25.2 X UT1 -3C 27 111 71 28Feb -9May 25.2 X UT2 -1A 27 105 64 28Feb -2May 22.7 X UT2 -1C 27 107 64 28Feb -2May 22.7 X UT2 -2A 27 91 55 28Feb -23Apr 19.5 X UT2 -2C 27 98 56 28Feb -24Apr 19.9 X UT3 -1A 27 106 64 28Feb -2May 22.7 X UT3 -1C 27 108 66 28Feb -4May 23.4 X UT3 -2A 27 101 56 28Feb -24Apr 19.9 X UT3 -3A 27 105 66 28Feb -4May 23.4 X UT3 -3C 27 101 55 28Feb -23Apr 19.5 X UT3 -4A 25 70 47 28Feb -15Apr 16.7 X UT3 -4C 27 95 52 28Feb -20Apr 18.4 X UT3 -5A 27 108 67 28Feb -5Ma 23.8 X N O Table 3A (continued). H drolo is Zone NC WETS Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb-6 days 28 Feb-6 Well where water Dec where Dec where water Dates growing <6 >6 -12.5% >12.5 -25% >25 -75% table is -12" water table is - table is -12" or season or above (282 days) 12" or above above" UT3 -5C 27 93 56 28Feb -24Apr 19.9 X UT3 -6A 27 107 66 28Feb -4May 23.4 X UT3 -7A 25 81 53 28Feb -21Apr 18.8 X UT3 -7C 27 106 66 28Feb -4May 23.4 X UT3 -8A 27 102 65 28Feb -3May 23.0 X UT3 -8C 27 107 66 28Feb -4May 23.4 X UT3 -9A 27 109 70 28Feb -8May 24.8 X UT3 -9C 27 113 72 28Feb -10May 25.5 X UT4 -1A 27 84 56 28Feb -24Apr 19.9 X UT4 -1 C 27 114 66 28Feb -4May 23.4 X UT4 -2A 27 70 54 28Feb -22Apr 19.1 X UT5 -1A 27 114 73 28Feb -11 May 25.9 X UT5 -1 C 27 85 65 28Feb -3May 23.0 X UT5 -2A 25 65 47 28Feb -15Apr 16.7 X UT64A 25 82 52 28Feb -20A r 18.4 X N Table 3A (continued). H drolo is Zone NC WETS Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb-6 days 28 Feb-6 Well where water Dec where Dec where water Dates growing <6 >6 -12.5% >12.5 -25% >25 -75% table is -12" water table is - table is -12" or season or above (282 days) 12" or above above" UT64C 24 60 20 28Feb -19Mar 7.1 X UT6 -5A 20 39 <17 NA <6 X UT6 -5C 20 44 <17 NA <6 X UT6 -6A 27 75 54 28Feb -22Apr 19.1 X UT6 -6C 27 71 53 28Feb -21Apr 18.8 X UT7 -1 A 20 50 <17 NA <6 X UT7 -1 C 25 63 23 28Feb -22Mar 8.2 X UT7 -2A 27 84 55 28Feb -23Apr 19.5 X UT7 -2C 27 78 53 28Feb -21Apr 18.8 X UT7 -3A 27 86 55 28Feb -23Apr 19.5 X UT7 -3C 27 75 52 28Feb -20Apr 18.4 X UT8 -1A 27 107 63 28Feb -1May 22.3 X UT8 -1 C 27 116 67 28Feb -5May 23.8 X UT8 -2A 27 109 67 28Feb -5May 23.8 X UT8 -2C 27 108 66 28Feb -4Ma 23.4 X N N Table 3A (continued). H drolo is Zone NC WETS Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb-6 days 28 Feb-6 Well where water Dec where Dec where water Dates growing <6 >6 -12.5% >12.5 -25% >25 -75% table is -12" water table is - table is -12" or season or above (282 days) 12" or above above" UT8 -3A 27 97 53 28Feb -21Apr 18.8 X UT8 -3C 27 107 66 28Feb -4May 23.4 X UT84A 27 110 72 28Feb -10May 25.5 X UT84C 27 119 78 28Feb -16May 27.7 X UT8 -5A 15 43 <17 NA <6 X UT8 -5C 22 66 <17 NA <6 X UT8 -6A 27 107 66 28Feb -4May 23.4 X UT8 -6C 27 112 71 28Feb -9May 25.2 X USC -1A 27 117 76 28Feb -14May 27.0 X USC -1C 27 117 78 28Feb -16May 27.7 X USC -2A 19 64 20 28Feb -19Mar 7.1 X USC -2C 27 96 63 28Feb -1 May 22.3 X USC -3C 27 101 52 28Feb -20Apr 18.4 X USC -4A 27 86 53 28Feb -21Apr 18.8 X USC -4C 27 94 53 28Feb -21A r 18.8 X T, N W Table 3A (concluded). *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or if they are only separated by a few days) are listed H drolo is Zone NC WETS Cumulative Consecutive Days 1 -27 Feb percent of days 28 Feb-6 days 28 Feb-6 Well where water Dec where Dec where water Dates growing <6 >6 -12.5% >12.5 -25% >25 -75% table is -12" water table is - table is -12" or season or above (282 days) 12" or above above* USC -5A 27 115 72 28Feb -10May 25.5 X USC -5C 27 41 72 28Feb -10May 25.5 X USC -6A 27 41 80 28Feb -18May 28.4 X USC -6C 27 41 79 28Feb -17May 28.0 X USC -7A 27 41 78 28Feb -16May 27.7 X USC -7C 27 41 83 28Feb -21 May 29.4 X USC -8A 27 120 79 28Feb -17May 28.0 X USC -8C 27 117 76 28Feb -14May 27.0 X USC -9A 27 97 63 28Feb -1 May 22.3 X USC -9C 27 90 62 28Feb -30Apr 22.0 X USC -10A 27 113 72 28Feb -10May 25.5 X USC -11A 27 119 78 28Feb -16May 27.7 X USC -11C 27 131 90 28Feb -28May 31.9 X USC -12A 27 117 78 28Feb -16May 27.7 X US -12C 27 131 90 28Feb -28May 31.9 X USC -13A 27 125 83 28Feb -21 May 29.4 X USC -13C 27 115 73 28Feb -11 May 25.9 X *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or if they are only separated by a few days) are listed N Table 3B. Longest hydroperiods in 2011 of 111 non - riparian monitoring wells at Hell Swamp restoration site during normal or below normal rainfall. (Rainfall in September and October was considered above WETS normal rainfall.) Hydrologic Zone (NC WETS) Cumulative days Consecutive Days 1 -27 Feb Percent of 28 Feb -6 Dec days 28 Feb -6 Well where water where water Dec where water Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or table is -12" or table is -12" or season above (282 days) above above* 1 27 170 119 28Feb -26Jun 42.2 X 2 27 113 72 28Feb -10May 25.5 X 3 27 93 56 28Feb -24Apr 19.9 X 4 27 72 52 28Feb -20Apr 18.4 X 5 26 88 53 28Feb -21Apr 18.8 X 6 27 95 55 28Feb -23Apr 19.5 X 7 27 64 27 27Mar -22Apr 9.6 X 8 27 70 55 28Feb -23Apr 19.5 X 9 27 105 65 28Feb -3May 23.0 X 23 28Feb -22Mar 8.2 10 25 72 27 27Mar -22Apr 9.6 X 11 12 13 <17 NA <6 X 12 27 119 78 28Feb -16May 27.7 X 13 27 135 94 28Feb -1Jun 33.3 X 14 19 58 19 1 Mar-1 Mar 6.7 X 21 28Feb -20Mar 7.4 15 27 87 23 24Mar -15Apr 8.2 X 16 27 106 66 28Feb -4May 23.4 X N Ln Table 3B. (continued). Hydrologic Zone (NC WETS) Cumulative days Consecutive Days 1 -27 Feb Percent of 28 Feb -6 Dec days 28 Feb -6 Well where water where water Dec where water Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or table is -12" or table is -12" or season above (282 days) above above* 17 27 104 70 28Feb -8May 24.8 X 18 27 125 83 28Feb -21 May 29.4 X 20 1 Mar -20Mar 7.1 19 21 66 25 27Mar -20Apr 8.9 X 20 27 64 26 27Mar -21Apr 9.2 X 21 27 112 71 28Feb -9May 25.2 X 22 27 78 54 28Feb -22Apr 19.1 X 22 28Feb -21 Mar 7.8 23 21 65 20 27Mar -15Apr 7.1 X 24 27 109 67 28Feb -5May 23.8 X 22 28Feb -21 Mar 7.8 25 27 70 24 27Mar -19Apr 8.5 X 26 27 100 56 28Feb -24Apr 19.9 X 27 27 116 75 28Feb -13May 26.6 X 28 27 125 75 28Feb -13May 26.6 X 29 27 87 55 28Feb -23Apr 19.5 X 30 27 70 47 28Feb -15Apr 16.7 X 31 25 71 19 27Mar -14Apr 6.7 X N Table 3B. (continued). Hydrologic Zone (NC WETS) Cumulative days Consecutive Days 1 -27 Feb Percent of 28 Feb -6 Dec days 28 Feb -6 Well where water where water Dec where water Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or table is -12" or table is -12" or season above (282 days) above above* 32 27 70 54 28Feb -22Apr 19.1 X 33 19 51 <17 NA <6 X 34 27 77 52 28Feb -20Apr 18.4 X 35 27 71 51 28Feb -19Apr 18.1 X 36 27 41 55 28Feb -23Apr 19.5 X 37 27 119 78 28Feb -16May 27.7 X 38 27 106 65 28Feb -3May 23.0 X 39 20 43 <17 NA <6 X 40 27 110 66 28Feb -4May 23.4 X 41 20 57 <17 NA <6 X 43 18 31 <17 NA <6 X 44 21 43 <17 NA <6 X 45 27 64 51 28Feb -19Apr 18.1 X 46 27 61 39 28Feb -7Apr 13.8 X 47 27 82 56 28Feb -24Apr 19.9 X N v Table 3B. (continued). Hydrologic Zone (NC WETS) Cumulative days Consecutive Days 1 -27 Feb Percent of 28 Feb -6 Dec days 28 Feb -6 Well where water where water Dec where water Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or table is -12" or table is -12" or season above (282 days) above above* 48 27 114 73 28Feb -11 May 25.9 X 49 27 111 67 28Feb -5May 23.8 X 50 19 40 <17 NA <6 X 51 12 8 <17 NA <6 X 52 22 49 <17 NA <6 X 54 27 92 56 28Feb -24Apr 19.9 X 55 27 99 55 28Feb -23Apr 19.5 X 56 24 58 19 27Mar -14Apr 6.7 X 57 22 39 <17 NA <6 X 58 22 56 <17 NA <6 X 59 23 65 23 28Feb -22Mar 8.2 X 60 27 107 66 28Feb -4May 23.4 X 61 27 118 23 28Feb -22Mar 8.2 X 62 25 71 52 28Feb -20Apr 18.4 X 63 27 93 66 28Feb -4May 23.4 X 64 27 105 65 28Feb -3May 23.0 X N W Table 3B. (continued). Hydrologic Zone (NC WETS) Cumulative days Consecutive Days 1 -27 Feb Percent of 28 Feb -6 Dec days 28 Feb -6 Well where water where water Dec where water Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 table is -12" or table is -12" or table is -12" or season above (282 days) above above* 65 24 59 22 28Feb -21 Mar 7.8 X 66 18 39 <17 NA <6 X 68 27 121 82 28Feb -20May 29.1 X 69 22 62 21 1 Mar -21 Mar 7.4 X 71 25 57 52 28Feb -20Apr 18.4 X 72 27 104 66 28Feb -4May 23.4 X 73 27 91 70 28Feb -8May 24.8 X Percent of Cumulative days Consecutive Well Days 1 -27 Feb 28 Feb -6 Dec >- days 28 Feb -6 Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 > -12„ 12" Dec > -12* season (282 days) 74 27 110 68 28Feb -6May 24.1 X 76 24 51 22 28Feb -21 Mar 7.8 X 77 27 111 66 28Feb -4May 23.4 X 78 24 85 47 28Feb -15Apr 16.7 X 80 25 83 53 28Feb -21Apr 18.8 X 81 27 105 66 28Feb -4May 23.4 X 83 19 41 <17 NA <6 X N Table 3B. (continued). Hydrologic Zone (NC WETS) Percent of Cumulative days Consecutive Well Days 1 -27 Feb 28 Feb -6 Dec >- days 28 Feb -6 Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 > -12„ — 12" Dec > -12* season (282 days) 84 25 85 23 28Feb -22Mar 8.2 X 85 27 107 69 28Feb -7May 24.5 X 86 25 65 47 28Feb -15Apr 16.7 X 87 27 105 56 28Feb -24Apr 19.9 X 88 27 117 66 28Feb -4May 23.4 X 89 27 79 56 28Feb -24Apr 19.9 X 90 25 63 39 28Feb -7Apr 13.8 X 95 27 73 66 28Feb -4May 23.4 X 96 27 106 64 28Feb -2May 22.7 X 97 27 111 70 28Feb -8May 24.8 X 98 27 87 54 28Feb -22Apr 19.1 X 99 27 106 67 28Feb -5May 23.8 X 100 27 118 77 28Feb -15May 27.3 X 101 27 118 78 28Feb -16May 27.7 X 102 22 51 20 28Feb -19Mar 7.1 X w 0 Table 3B. (continued). Hydrologic Zone (NC WETS) Percent of Cumulative days Consecutive Well Days 1 -27 Feb 28 Feb -6 Dec >- days 28 Feb -6 Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 > -12„ — 12" Dec > -12* season (282 days) 103 27 64 53 28Feb -21Apr 18.8 X 104 27 73 52 28Feb -20Apr 18.4 X 105 27 47 <17 NA <6 X 106 25 53 26 28Feb -25Mar 9.2 X 107 27 94 56 28Feb -24Apr 19.9 X 108 27 107 66 28Feb -4May 23.4 X 109 27 86 52 28Feb -20Apr 18.4 X 110 27 125 81 28Feb -19May 28.7 X 111 27 107 66 28Feb -4May 23.4 X 112 27 101 56 28Feb -24Apr 19.9 X 113 27 80 55 28Feb -23Apr 19.5 X 114 27 140 74 28Feb -12May 26.2 X 115 27 112 71 28Feb -9May 25.2 X 116 27 107 66 28Feb -4May 23.4 X 117 27 221 185 28Feb -31Aug 65.6 X 118 27 72 54 28Feb -22Apr 19.1 X w Table 3B. (continued). Hydrologic Zone (NC WETS) Percent of Cumulative days Consecutive Well Days 1 -27 Feb 28 Feb -6 Dec >- days 28 Feb -6 Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 > -12„ — 12" Dec > -12* season (282 days) 119 27 107 66 28Feb -4May 23.4 X 120 15 35 <17 NA <6 X 121 27 102 49 28Feb -17May 17.4 X 122 23 51 <17 NA <6 X 124 20 51 <17 NA <6 X Control wells Ref1 27 108 66 28Feb -4May 23.4 X Ref2 27 111 70 28Feb -8May 24.8 X Ref3 27 120 79 28Feb -17May 28 X PP1 17 62 36 1 Nov -6Dec 12.8 X PP2 27 109 66 28Feb -4May 23.4 X PP3 27 126 82 28Feb -20May 29.1 X PP4 27 92 52 28Feb -20Apr 18.4 X WF -1 Installed 28 Jul 41 36 1Nov -6Dec 12.8 X WF -2 Installed 28 Jul 8 <17 NA <6 X Table 3B. (concluded). *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or only separated by a few days) are listed N * *Riparian Wells Hydrologic Zone (NC WETS) Percent of Cumulative days Consecutive Well Days 1 -27 Feb 28 Feb -6 Dec >- days 28 Feb -6 Dates growing <6 o >6- 12.5/0 0 >12.5 -25/0 0 >25 -75/0 > -12„ — 12" Dec > -12* season (282 days) WF -3 Installed 28 Jul 6 <18 NA <6 X WF -4 Installed 28 Jul 4 <17 NA <6 X WF -5 Installed 28 Jul 2 <17 NA <6 X WF -6 Installed 28 Jul 16 <18 NA <6 X WF -7 Installed 28 Jul 4 <17 NA <6 X *Only 17 days or more (6 %) are included in this column and only the longest hydroperiods (or two longest if they are similar or only separated by a few days) are listed N * *Riparian Wells Table 4. Summary of flow gauge data from upper Scott Creek and its headwater systems (UT1 -UT7) and a tributary to Smith Creek (UT8). UT1 -1 B Number of flow Number of calendar Dates of longest flow Consecutive days of longest Flow station events' days with flown event flow event USC -1 B* 7 19 4/28-5/1 4 USC -2B* 3 5 5/21 -5/23 3 USC -3B* 6 15 8/22-8/28 7 USC -4B* 10 126 2/1 -3/3 31 USC -513 8 27 2/4-2/13 10 UT3 -1 B 14 23 8/27 - 9/17 and 11/16 4 USC -613 11 94 9/22-10/4 22 each event UT3 -3B 3 13 -12/15 8 USC -7B 7 12 9/2-9/6 5 USC -813 1 23 8/31 -9/22 23 USC -913 19 91 2/2-2/22 21 USC -10B 12 90 3/27-4/21 26 USC -11 B 8+ 74+ 8/27-10/1 36 UT1 -1 B 10 37 9/22-9/29 9 UT1 -213 unit malfunction UT1 -313 3 13 7/26-8/1 7 UT1 -413 24 63 5/23-6/3 10 2/4 - 2/6; 8/28 - 8/30; UT2 -1 B 9 19 3 each event 9/25-9/27 UT3 -1 B 14 23 8/27-8/30 4 UT3 -2B 12 53 9/22-10/4 13 UT3 -3B 3 13 2/4-2/12 8 UT3 -4B 2 2 2/25; 4/28 1 each event UT3 -5B 2 62 10/4-12/31 89 UT3 -6B 12 99 2/28-4/19 43 UT3 -7B 16 63 9/22-10/5 15 UT3 -8B 12 46 9/22-10/3 12 UT3 -9B 1 2 8/27-8/28 2 UT4 -1 B 10 19 9/26-9/29 4 UT4 -2B 0 0 UT6 -1 B no gauges; valley construction incomplete due to wetness UT6 -2B UT6 -3B 4 19 2/4-2/14 12 UT6 -4B 15 79 8/28-9/16 20 UT6 -5B 9 52 9/22-10/10 19 UT6 -6B 0 0 UT7 -1 B 9 27 2/4-2/13 10 UT7 -2B 2 3 9/28-9/29 2 UT7 -3B 5 26 8/27-9/15 20 2/1 - 2/20; 10/26 - UT8 -1 B 11 71 20 each event 11/15 UT8 -2B 10 32 2/1 -2/10 10 UT8 -3B 2 54 7/14-9/5 54 5/21; 7/10; 8/27; UT8 -4B 4 4 1 each event 12/28 UT8 -5B 16 93 8/22-9/22 32 UT8 -6B 2 3 8/29-8/30 2 ' Total may not be the sum of all events by month if an event overlapped two months Z Number of calendar days with at least one reading from a flow event. * Gauges in the single thread segment of upper Scott Creek (USC) T -33 Table 5. Survival of trees and shrubs planted in 19 0.017 -acre plots in potential riparian buffer areas at Hell Swamp from baseline (summer 2010) to fall 2011. Tagged at Baseline stems Fall 2011 stems Percent Surviva14 Scientific name Common name baseline' Alive Unsure Tota13 Alive Unsure Tota13 Alive Tota13 Large trees Carya aquatica water hickory 1 0 0 0 1 0 1 100 100 Fagus grandifolia American beech 0 0 0 0 0 0 0 -- -- Fraxinus pennsylvanica green ash 36 33 0 33 35 0 35 97 97 Nyssa aquatica water tupelo 5 5 0 5 2 0 2 40 40 Nyssa biflora swamp black gum 39 32 1 33 31 2 33 79 85 Prunus serotina black cherry 0 0 0 0 0 0 0 -- -- Quercus albs white oak 4 4 0 4 3 1 4 75 100 Q. falcata southern red oak 1 1 0 1 1 0 1 100 100 Q. laurifolia laurel oak 15 17 0 17 15 0 15 100 100 Q. lyrata overcup oak 38 30 0 30 35 3 38 92 100 Q. michauxii swamp chestnut oak 29 30 0 30 26 3 29 90 100 Q. nigra water oak 10 8 0 8 10 0 10 100 100 Q. pagoda cherrybark oak 1 1 0 1 1 0 1 100 100 Q. phellos willow oak 3 3 0 3 3 0 3 100 100 Q. spp. oak 0 1 0 1 0 0 0 -- -- Taxodium distichum bald cypress 36 33 2 35 32 2 34 89 94 Ulmus americana American elm 14 13 0 13 13 1 14 93 100 Small trees Clethra alnifolia sweet pepperbush 9 9 0 9 5 3 8 56 89 Cyrilla racemiflora titi 5 5 0 5 3 1 4 60 80 Diospyros virginiana common persimmon 6 5 0 5 6 0 6 100 100 Ilex decidua possumhaw 0 0 0 0 0 0 0 -- -- 1. opaca American holly 4 4 0 4 2 2 4 50 100 Magnolia virginiana sweet bay 11 9 2 11 5 4 9 45 82 Oxydendron arboreum sourwood 0 0 0 0 0 0 0 -- -- Persea palustris red bay 8 8 0 8 3 0 3 38 38 Total tree stems 275 251 5 256 232 22 254 84 92 Density 859 784 16 800 725 69 794 Shrubs Cephalanthus occidentalis buttonbush 1 1 0 1 0 1 1 0 100 Corpus amomum silky dogwood 0 0 0 0 0 0 0 -- -- Ilex glabra ink berry 0 0 0 0 0 0 0 -- -- Ilex verticillata winterberry 2 0 0 0 0 2 2 0 100 Itea virginica Virginia willow 6 7 0 7 5 0 5 83 83 Leucothoe racemosa Swamp doghobble 1 1 0 1 1 0 1 100 100 Lindera benzoin spicebush 0 0 0 0 0 0 0 -- -- Rosa palustris swamp rose 0 0 0 0 0 0 0 -- -- Vaccinium corymbosum high bush blueberry 0 0 0 0 0 0 0 -- -- Viburnum nudum possumhaw viburnum 0 0 0 0 0 0 0 -- -- Total shrub stems 10 9 0 9 6 3 9 60 90 Density 31 28 0 28 19 9 28 Unknown sp. 21 10 14 24 1 2 3 5 14 Total Total stems 306 270 19 289 239 27 263 78 86 Total density 956 844 59 903 747 84 822 'The number tagged at baseline has been adjusted to reflect the proper identification of species in the fall sampling event. The baseline survival columns were not adjusted for this. 2Survival was considered unsure if the stem appeared dead (brittle, no green, broken, etc.) at the current sampling event and dead if at both the current and last sampling events the stem was not unquestionably alive. 3Total includes alive + unsure. 4Percent survival was calculated as: (Fall /Baseline tagged) X 100. T -34 Table 6. Survival of trees and shrubs planted in 12 riparian 0.22 -acre plots at Hell Swamp from baseline (summer 2010) to fall 2011 Scientific name Common name Tagged at baseline' Baseline stems Alive Unsure Tota13 Fall 2011 stems Alive Unsure Tota13 Percent surviva14 Alive Tota13 Large trees Cephalanthus occidentalis buttonbush 4 4 0 4 4 0 Carya aquatica water hickory 3 2 0 2 3 0 3 100 100 Fraxinus pennsylvanica green ash 160 173 0 173 153 7 160 96 100 Nyssa aquatica water tupelo 150 149 7 156 64 36 100 43 67 Nyssa biflora swamp black gum 21 24 0 24 20 1 21 95 100 Q. laurifolia laurel oak 4 21 0 21 2 1 3 50 75 Q. lyrata overcup oak 179 196 1 197 172 5 177 96 99 Q. michauxii swamp chestnut oak 47 50 0 50 44 2 46 94 98 Q. nigra water oak 4 4 0 4 3 1 4 75 100 Q. pagoda cherrybark oak 7 2 0 2 7 0 7 100 100 Q. phellos willow oak 141 124 1 125 130 9 139 92 99 Q. spp. oak 7 7 5 12 2 2 4 29 57 Taxodium distichum bald cypress 188 182 15 197 137 25 162 73 86 Ulmus americana American elm 10 16 0 16 9 1 10 90 100 Small trees Clethra alnifolia sweet pepperbush 16 17 0 17 9 1 10 56 63 Cyrilla racemiflora titi 8 7 0 7 5 1 6 63 75 1. opaca American holly 4 10 0 10 2 1 3 50 75 Magnolia virginiana sweet bay 15 16 0 16 2 2 4 13 27 Persea palustris red bay 17 14 3 17 2 2 4 12 24 Total tree stems 981 1,014 32 1,046 766 97 863 78 88 Densitv 372 384 12 396 290 37 327 Shrubs Cephalanthus occidentalis buttonbush 4 4 0 4 4 0 4 100 100 Itea virginica Virginia willow 15 20 0 20 10 2 12 67 80 Leucothoe racemosa Swamp doghobble 1 2 0 2 0 1 1 0 100 Lindera benzoin spicebush 6 6 0 6 2 0 2 33 33 Viburnum nudum possumhaw viburnum 4 4 0 4 0 0 0 0 0 Total shrub stems 30 36 0 36 16 3 19 53 63 Density 11 14 0 14 6 1 7 Unknown SD. 82 26 77 103 3 6 9 4 11 Total Total stems Total densitv 1,093 I 1,076 I 109 I 1,185 I 785 I 106 I 891 414 408 41 449 297 40 338 72 1 82 'The number tagged at baseline has been adjusted to reflect the proper identification of species in the fall sampling event. The baseline survival columns were not adjusted for this. 2Survival was considered unsure if the stem appeared dead (brittle, no green, broken, etc.) at the current sampling event and dead if at both the current and last sampling events the stem was not unquestionably alive. 3Total includes alive + unsure. 4Percent survival was calculated as: (Fall /Baseline tagged) X 100. T -35 Table 7. Survival of trees and shrubs planted in 111 non - riparian 0.22 -acre plots at Hell Swamp from baseline (summer 2010) to fall 2011. 'The number tagged at baseline has been adjusted to reflect the proper identification of species in the fall sampling event. The baseline survival columns were not adjusted for this. 2Survival was considered unsure if the stem appeared dead (brittle, no green, broken, etc.) at the current sampling event and dead if at both the current and last sampling events the stem was not unquestionably alive. 3Total includes alive + unsure. 4Percent survival was calculated as: (Fall /Baseline tagged) X 100. T -36 Tagged at Baseline stems Fall 2011 stems Percent surviva14 Scientific name Common name baseline' Alive Unsure Tota13 Alive Unsure Tota13 Alive Tota13 Large trees Carya aquatica water hickory 167 161 1 162 152 12 164 91 98 Fagus grandifolia American beech 89 98 0 98 87 2 89 98 100 Fraxinus pennsylvanica green ash 1,189 1,180 2 1,182 1154 24 1178 97 99 Nyssa aquatics water tupelo 541 502 5 507 419 84 503 77 93 Nyssa biflora swamp black gum 667 694 3 697 564 67 631 85 95 Prunus serotina black cherry 32 32 0 32 31 1 32 97 100 Quercus alba white oak 236 232 2 234 235 0 235 100 100 Q. falcata southern red oak 170 157 0 157 168 2 170 99 100 Q. laurifolia laurel oak 741 636 34 670 682 30 712 92 96 Q. lyrata overcup oak 801 786 2 788 787 11 798 98 100 Q. michauxii swamp chestnut oak 1,619 1,533 18 1,551 1522 63 1585 94 98 Q. nigra water oak 862 786 14 800 829 18 847 96 98 Q. pagoda cherrybark oak 656 603 12 615 605 31 636 92 97 Q. phellos willow oak 630 584 4 588 601 25 626 95 99 Q. spp. oak 66 121 57 178 9 13 22 14 33 Taxodium distichum bald cypress 700 679 14 693 626 41 667 89 95 Ulmus americana American elm 505 503 0 503 486 17 503 96 100 Small trees Clethra alnifolia sweet pepperbush 126 121 3 124 95 12 107 75 85 Cyrilla racemiflora titi 14 14 0 14 12 2 14 86 100 Diospyros virginiana common persimmon 35 35 0 35 35 0 35 100 100 Ilex decidua possumhaw 6 6 0 6 6 0 6 100 100 1. opaca American holly 32 31 1 32 28 1 29 88 91 Magnolia virginiana sweet bay 193 188 2 190 124 36 160 64 83 Oxydendron arboreum sourwood 2 2 0 2 0 1 1 0 50 Persea palustris red bay 83 69 12 81 16 16 32 19 39 Total tree stems 10,162 9,753 186 9,939 9,273 509 9,782 91 96 Density 416 400 8 407 380 21 401 Shrubs Cephalanthus occidentalis buttonbush 32 32 0 32 29 2 31 91 97 Cornus amomum silky dogwood 23 23 0 23 21 2 23 91 100 Ilex glabra ink berry 19 19 0 19 18 0 18 95 95 Ilex verticillata winterberry 21 21 0 21 19 2 21 90 100 Itea virginica Virginia willow 189 179 5 184 164 10 174 87 92 Leucothoe racemosa Swamp doghobble 2 1 0 1 2 0 2 100 100 Lindera benzoin spicebush 36 31 2 33 21 11 32 58 89 Rosa palustris swamp rose 1 1 0 1 0 1 1 0 100 Vaccinium corymbosum high bush blueberry 48 47 0 47 43 3 46 90 96 Viburnum nudum possumhaw viburnum 2 2 0 2 2 0 2 100 100 Total shrub stems 373 356 7 363 319 31 350 86 94 Density 15 15 0 15 13 1 14 Unknown sp. 437 170 460 630 18 32 50 4 11 Total Total stems 10,972 10,279 653 10,932 9,610 572 10,182 88 93 Total density 450 421 27 448 394 23 417 'The number tagged at baseline has been adjusted to reflect the proper identification of species in the fall sampling event. The baseline survival columns were not adjusted for this. 2Survival was considered unsure if the stem appeared dead (brittle, no green, broken, etc.) at the current sampling event and dead if at both the current and last sampling events the stem was not unquestionably alive. 3Total includes alive + unsure. 4Percent survival was calculated as: (Fall /Baseline tagged) X 100. T -36 - r = _ 1 l � w0.F �_' -- • h� � SLatanbCrry' J_' \ ICI l •�a. � _ JJ 1 - •*•-+ �� J BROAD _ c FivGP-nes slam ' •�+ �, r� �[ ! '� °•��, ,f �; � rail y . .'-A 1� ? ,-•.11 ��, - % �° �f�� RT. 264 - SEED TICK NE6K RO }:' •• '� _ ��_ ��'• •vf h' ;pLum'S'F'IT _ CONTROL WETLAND FOREST J �•: '�o • :-�. .{L� "� WINDLEY \\ l y LONGOUDE 78 41' 07. 38" RT. 99 t CONTROL / LATRUDE: 35' 31' 31..4188• �. WETLAND FOREST .p {( •. - HELL SWAMP - 5 SCOTT CREEK, ♦' �' � PUNGO .. CREEK ROAD I '��� boulhlwo: ••� WINFIELD CONTROL �• _,�.,.� " WETLAND FOREST I _ Is ptE �. • �'�'. i,8egr 4Y.r. C���k 0 5,000 10,000 NORTH CAROLINA SCALE IN FEET SITE LOCATION HELL SWAMP VICINITY MAP HELL SWAMP -SCOTT CREEK LEGEND PCS PHOSPHATE COMPANY, INC. HELL SWAMP PROJECT BOUNDARY SCALE: AS SHOWN APPROVED BY: DRAWN BY: BFG /TLJ CONTROL PARCELS DATE: 04/25/12 FILE: HELLSMP_VIC_201 1 RPT CP# 174559.66 SOURCE: 4709 COLLEGE ACRES DRIVE NORTH CAROLINA DEPARTMENT OF TRANSPORTATION, USGS TOPOGRAPHIC MAP $UITE 2 IMAGES, N AND USGSTOPOTILE1L13.SIDNUSGS 0 DRANGLES RANSOMVILLE AND PANTEGOID lotu WILMINGTON, NORTH FIGURE 1 WEB SITE: WWW.NCDOT.ORG ENVIRONMENTAL CONSULTANTS FAX 910/392 -9139 HS -1 ROAD ACCESS ROAD HS-33 HSj3 -. HS- IT UT6 HS -51 HS -55 .Ire uT2 HS -56 5 -67 H HS -6 / I HS -68 I uT HS- HS -91 HS -102 UT4 x100 HS -103 HS -11 5 -112 ' 5 -117 5 -120 I -121 / I PP4` A A PP1 A - PP2 PP3 PLUM'S PIT CONTROL WETLAND FOREST HS -83 �ACCE55 ROAD 0 1200 2400 SCALE IN FEET LEGEND HS -5 - - - HS -3 • •� S -4 0 HS -2 O• HS -10 -/� •o • • FJS -8 HS -9 HS -11 HS -1 HS-1 •OHS-20 A HS -16 o TREE /SHRUB PLOT MONITORING LOCATION HSR7 HS- HSR2 VALLEY WELL /FLOW METER ARRAY H311113 HS -27 HS -29 \ /.. O HS -26 O• HS -28 O• O• / HS-39 / HS -36 HS -37 HS -38 / •0 :F"� o• O i VALLEY 2 (34.55 ACRES) / WINDLEY TRACT ZONE 1 (308.61 ACRES) ` CONTROL HS -48 O HS -51 0 WETLAND FOREST • •0 • HS -49 HS -50 HS -60 HS -61 O 0 •O O• HS -6 • NOTE: HS -7 O 1. ACTUAL PLANTING ZONE BOUNDARIES DIFFER O• HS -73 SOME AREAS FROM THIS FIGURE. HS -84 HS -85 HS -86 Q OF TWO SHALLOW MONITORING WELLS ON THE O• •� O HS -8 NEAR THE MIDDLE OF THE VALLEY, BETWEEN THE O •O HS 96 HS -97 HS -98 H -10 OH WF7 06 0 •� A A WF5 WF6 • O WF4 WINFIELD A CONTROL WETLAND FOREST WF3 O• WF7 A ACCESS ROAD / ,& A WF2 HS -1 ROAD ACCESS ROAD HS-33 HSj3 -. HS- IT UT6 HS -51 HS -55 .Ire uT2 HS -56 5 -67 H HS -6 / I HS -68 I uT HS- HS -91 HS -102 UT4 x100 HS -103 HS -11 5 -112 ' 5 -117 5 -120 I -121 / I PP4` A A PP1 A - PP2 PP3 PLUM'S PIT CONTROL WETLAND FOREST HS -83 �ACCE55 ROAD 0 1200 2400 SCALE IN FEET LEGEND - - - PROJECT BOUNDARY (1,296.87 ACRES) CONTROL PARCEL ACCESS ROAD EXISTING ROAD GATE • WELL LOCATIONS HS -1 WELL NUMBER A REFERENCE WELL LOCATIONS o TREE /SHRUB PLOT MONITORING LOCATION - VALLEY WELL /FLOW METER ARRAY VALLEY WELL /FLOW METER ARRAY WITH TREE /SHRUB MONITORING PLOT PHOTO STATION PLANTING ZONES (1,263.02 ACRES) UPLAND (117.29 ACRES) VALLEY 1 (35.08 ACRES) VALLEY 2 (34.55 ACRES) ZONE 1 (308.61 ACRES) ZONE 2 (190.32 ACRES) ZONE 3 -1 (116.67 ACRES) ZONE 3 -2 (154.49 ACRES) ZONE 4 -1 (140.33 ACRES) ZONE 4 -2 (165.68 ACRES) NOTE: 1. ACTUAL PLANTING ZONE BOUNDARIES DIFFER SLIGHTLY IN SOME AREAS FROM THIS FIGURE. 2. VALLEY WELL /FLOW METER ARRAYS CONSIST OF TWO SHALLOW MONITORING WELLS ON THE OUTER EDGES OF THE VALLEY WITH FLOW METER NEAR THE MIDDLE OF THE VALLEY, BETWEEN THE WELLS. f To A PP= Sb t PP1 PP2 A Ds PP3 H 1 `� PLUM'S PIT CONTROL To / Ap WETLAND FOREST �� /T* HS -5• • HS -7• Ap / • S-2 HS -30 HS4 HS -6 �` Sb LEGEND Cf _ • -1 Hs -- — HELL SWAMP BOUNDARY g HS -10• • • 0 CONTROL PARCEL S HS -14�\/ To S -8 H 11 ,Q At `� �� • WELL LOCATIONS HS -19 _16 HS -20 HS -21 HS -22 H 3 HS -1 WELL NUMBER • TO • • • • • HSR1 � HS -24 HS -25 Pt A REFERENCE WELL LOCATIONS HSR2 \, U`SC Ap — VALLEY WELL /FLOW METER ARRAY HSR3\ HS- R 0 HS 9 HS -3 HS -33 • HS -35 VALLEY WELL /FLOW METER ARRAY /yy_ • • • • • HS -26 S -28 S -30 HS -32• • HS -34 • 1 WITH TREE /SHRUB MONITORING PLOT {}} HS -37 S -38 HS -40 HS 45 HS -46 TT PHOTO STATION • • • • • Bb SOILS HS -36 HS -3 HS-41 HS -4 HS-43 HS-4,4 HS -47 / WINDLEY SYMBOL SOIL NAME Ap ARAPAHOE CONTROL UT6 UT% To At AUGUSTA WETLAND FOREST HS -48 UT1 HS -54 HS -58 HS -5 At �T Cf CAPE FEAR FINE SANDY LOAM ` • • • • • • OHS-57 • • Ds DRAGSTON -W—A ,i j� HS -49 HS -50 HS -5 S_52 HS -55 ijWS -56 Pt PORTSMOUTH �} L I Me MUCKALEE I HS -53 HS -67 Ro ROANOKE UT2 HS -69 / Sb SEABROOK LOAMY SAND S -61 62 HS -65 HS -66 H$ Ap To TOMOTLEY • •10 • • • • • 0 HS-70 • mithtown Ds HS -60 H -63 HS -68 / . ` 1 � WATER FEATURES HS 80 UT5 / 4 A a A �_ — . — ' PERENNIAL Ds Sb Me -72 -74 HS -7 HS -79 I / P — "' INTERMITTENT H S -77 ��, S -81 HS -82 HS -83 J I I 1 e To Ds HS -84 HS -8 H -86 S -88 A p UT3 } HS -94 AaA • • HS -87 • HS -89 HS -9 HS -91 �H C',1 , HS -95 _ —� AV) AaA HS -97 P t UT4 - A p D s A p A � • • \\ • HS-102 • �. HS -96 • HS- 8 HS -99 1 HS- HS -101 HS -103 \I \ \ S-1 C Cl B 1 \ HS -104 \ \ \\ AaA At HS -106 HS 9 • • { • HS -1131 A 7\ • HS -107 : S -108 1 ; -'' \ HS -110 S -111 l 1 s' T a B AaA HS -112 p t` 0 1 ,200 2,400 A t T6 \\ � � ' 1 SOURCE: yyy..��I e' SOIL SURVEY OF BEAUFORT COUNTY, NORTH CAROLINA A WF5 HS -114 HS -115 0- US DEPARTMENT R AGRICULTURE NATURAL RESOURCES Y • ��` ^A CONSERVATION SERVICE SCALE IN FEET • • HS -116 HSI181 V M Q ISSUED: SEPTEMBER 1995 l WINFIELD A4 u HS -1221 \ �� 1 GJ Ap �� HELL SWAMP MITIGATION SITE CONTROL HS -1 �\ AaA MONITORING LOCATIONS ON SOIL SURVEY W ND FOREST WF3 \ • - • / HS -119 WF, WF2 \ u HS -124 HS -12 Ds DS AaA PCS PHOSPHATE COMPANY, INC. .� Aa / SCALE: AS SHOWN APPROVED BY: DRAWN BY: BFG /TLJ HS -123 •�/ 1 / DATE: Q4�27�j 2 FILE: HELLSRPTSOILS-MON- RO t U At \�� 92 TaB CP #1745.59.66 S 7 n 4709 COLLEGE ACRES DRIVE SUITE 2 re e Ds O \ INCORPORATED WILMINGTON, NORTH TEL 91,0 /392 -9253 FIGURE 3 ENVIRONMENTAL CONSULTANTS FAX 910/392 -9139 SOURCE: Hg -123 AS BUILT LIDAR PROVIDED BY: JONATHAN RICKETTS ENGINEERING, 3450 NORTHLAKE BLVD., PALM BEACH GARDENS, FLORIDA, PHONE 561_630_6700 LEGEND 2 0,000 PROJECT BOUNDARY (1,296.87 ACRES) ■ CONTROL PARCEL 1,000 —� PP 4\ ■ GATE • / A HS -1 WELL NUMBER A PP7 6 4,00- C 7 ` 7 6.030 2 - Ns" PP3 • ACCESS ROAD 8,000 7.00D HS-1 7.001) PLUM'S PIT CONTROL 10 S.00D WETLAND FOREST ■ �` HS -5 HS -6 HS -7 $,40P 14,G44 -- • • • HS S-3 Access ROAD 11,000 j3 • • HS -4 11 DOD 12.000 HS -2 12,600 13 DOG HS -10 • HS -15 • " HS -14 HS -8 HS -9 HS -11 HS -12 HS -13 S -16 HS -190 Hg -20 HS -21 HS -23 HS -25 HSR1 HS -17 HS -18 HS -22 HS -24 HSR2 HSR3 HS -27 HS -29 HS -31 HS -32 HS -33 • HS -35 • • *HS-30 • HS • • • -26 HS-28 HS -34 HS -36 HS -37 HS -38 HS -40 HS -41 HS -42 HS -45 HS -46 • • • • • • • %S • HSJ7 HO-39 HS -43 -44 WINDLEY TRACT CONTROL Hg -48 HS -51 HS -54 HS -55 HS -58 WETLAND FOREST • • • • • • • • • • • HS -49 HS -50 HS -52 HS -53 HS -56 HS-57 HS -59 • HS -60 HS -61 HS -64 HS -65 HS -66 • HS -67 HS -6 0 • • HS -62 • • • • • HS -63 HS-68 HS 71 HS -72 HS -74 HS -75 HS -76 HS -77 HS -78 HS -79 HS -81 HS -83 • HS -73 • • • • • HS 80 • HS -82 • HS -84 HS -85 HS -86 HS -90 HS -92 ACCESS ROAD HS -94 • • • HS -87 HS -88 HS -89 • HS -91 • HS 93 • HS -95 • HS -102 HS -104 HS -96 HS -97 HS -98 HS -99 HS -100 HS-101 HS -103 HS -105 HS -107 HS -108 HS -110 HS -112 ACCESS ROAD • • • /WF7 H • S -106 HS -109 HS -111 HS -113 \ WF6 HS -114 HS -115 /A .S -117 HS -118 WF5 /WF4 HS -116 WINFIELD A / CONTROL HS -120 WETLAND FOREST WF3 • HS -119 HS -121 WF7 ACC65 ROAD HS -122 L F2 — HS -124 SOURCE: Hg -123 AS BUILT LIDAR PROVIDED BY: JONATHAN RICKETTS ENGINEERING, 3450 NORTHLAKE BLVD., PALM BEACH GARDENS, FLORIDA, PHONE 561_630_6700 LEGEND 2 0,000 PROJECT BOUNDARY (1,296.87 ACRES) ■ CONTROL PARCEL 1,000 ACCESS ROAD ■ GATE • WELL LOCATIONS HS -1 WELL NUMBER A REFERENCE WELL LOCATIONS FJava6ons 7ahie � o.aDD s,aea � 2 0,000 1.000 ■ 3 1,000 2.000 ■ 4 21000 3004 5 3.000 4.004 6 4,00- 61000 7 6.030 8.fl00 8 8,000 7.00D 9 7.001) B.00D 10 S.00D 0.00D ■ 11 $,40P 14,G44 iz 1o,000 11,000 13 11 DOD 12.000 14 12,600 13 DOG 0 1200 2400 SCALE IN FEET _T cn 24.00 22.00 20.00 18.00 16.00 c 14.00 s 0 12.00 c 10.00 T 0 8.00 6.00 4.00 2.00 0.00 NOTES: Data for WETS Monthly Rainfall for January -March and November - December 2011 comes from WETS /Aurora rainfall totals due to lack of data for entire year for Belhaven. "Range of Normal" and "WETS Monthly Rainfall Total" plotted on last day of each month. "Range of Normal" refers to the 30th and 70th percentile thresholds of the probability of onsite rainfall amounts outside of the normal range (based on historical averages from 1971 - 2000). WETS Data subject to periodic revision. Data shown are latest available from Portland, OR office of Water & Climate Services National • _A • titi titi titi titi titi titi titi titi titi titi titi titi �,�Q O ,e\ O Q �O O�G Oti oy 0, oti Oy Oti Q Oti Oti IS; Oti 1111111111111111111111111112011 Hell Swamp Rain Gauge Daily Rainfall 2011 Hell Swamp 30 -day Rolling Total • 2011 Monthly WETS /Belhaven Rainfall Totals X2011 WETS 30 -yr 30% less chance 1971 -2000 -2011 WETS 30 -yr 30% more chance 1971 -2000 2011 Hell Swamp Monthly Rainfall Figure 5. 2011 HELL SWAMP and WETS - BELHAVEN RAINFALL WINDLEY CONTROL WETLAND FOREST WINFIELD CONTROL WETLAND FOREST PUNGO C REEK ROAD (SR 1715) D LEGEND ZONES PP1 - - - HELL SWAMP BOUNDARY 0 O = >6 - 12.5 PERCENT OF THE GROWING SEASON 0 O P JA D O CONTROL PARCEL NOTE: ROAD ACCESS ROAD PLUM'S PIT CONTROL CONTOURS ARE NOT SHOWN. WETLAND FOREST LSC LOWER SCOTT CREEK USC UPPER SCOTT CREEK O WELL LOCATIONS HS -1 WELL NUMBER 0 REFERENCE WELL LOCATIONS VALLEY WELL /FLOW METER ARRAY VALLEY WELL /FLOW METER ARRAY WITH TREE /SHRUB MONITORING PLOT NOTE: VALLEY ARRAY SYMBOLS MAY NOT BE VISIBLE ON SOME PRINTED VERSIONS - SEE ELECTRONIC VERSION. HYDROLOGIC ZONES WETLAND HYDROPERIODS 0 O = <6% OF THE GROWING SEASON 0 O = >6 - 12.5 PERCENT OF THE GROWING SEASON 0 O = >12.5 - 25 PERCENT OF THE GROWING SEASON D O = 2!25 - 75 PERCENT OF THE GROWING SEASON NOTE: ROAD LIDAR CONTOURS WERE USED TO DRAW HYDROPERIOD ZONE POLYGONS. CONTOURS ARE NOT SHOWN. 97"� 0 1200 2400 SCALE IN FEET ACCESS ROAD 0 HS -50 0 HS 0 HS -3,9 HS -4 HS -6 ACCESS RDAo HS -2 HS -8 HS -9 0 0 HS -15 • O S -10 • 0 0 HS -14 13C S -11 HS -12 HS -13 13 HS -19 HS -20 = U -10C HS -16 12C 10C HS -21 HS -22 HS -23 HS -25 0 HS -170 1 0 • 0 • 0 REF1 HS -18 9 HS -24 REF2 .SC 9A 8C REF3 HS -27 S -29 S -318A 7C HS -33 0 HS -26 HS -28 O O O O OHS -3 0 7 HS -32 0 0 HS -34 WINDLEY 6A 6C 7 CONTROL WETLAND HS -36 HS -3 HS -38 HS -45 FOREST 0 0 0 0 HS-39 0 0 S -41 0 HS- 2 5A 5C H S-43 H 544 O U HS -48 UT1 3C 4A HS -54 HS -55 6( 0 0 • • • 4C 0 O 0 6 HS -49 HS -50 HS -51 HS -52 3A 2A 2C 1 3C 2C UT2 HS -56 c HS -60 HS -53 HS -67 2C S -69� HS -61 HS -64 U 1 -1A =USC- 2 62 1 C O O HS -6? H 650 HS-66 1A OHS - 1 1C 9C -75 = 6A HS 8- \HS 80 UT5 \b HS-72 9A 8C HS -74 7C 5C OHS -7 HS077 HS -79 HS -73 8A 4 3C 2A HS -81 7A 6A SA 2A 4A 3A L 1A 1A HS -84 HS -85 HS -86 1C O O O HS -87 HS-88 HS-89 HS -90 S -91 1C HS -92 A HS -97 HS -1 2A UT4 S -96 O HS-98 HS -99 S-0100 OHS -10 O OHS -103 HS -104 WF HS -106 6A HS -113 0 HS -107 HS -108 HS- 10 O O 0 HS -109 O O O WINFIELD WF6 6 HS -111 CONTROL H WETLAND FOREST \ 5A IL � WF5 \ HS -114 HS -115 C OHS -117 • O O 4A 0 11 HS -11 WF4 4C A ACCESS ROAD UT8 HS- 0 WF3 \ 0 3A C I \ HS -119 3 HS -1210 WF1 HS -122 Q - WF2 C HS- 2A PUNGO CREEK HS -123 C / (SR 1775)ROAD HS-46 0 0 HS -47 /0 C OHS-105 \ACCESS ROAD A PP4. PP1 ` A P PP2P3 PLUM'S PIT CONTROL WETLAND FOREST ' HS -71 0 ROAD OTHER THAN THE CONTROL FORESTS, ONLY TWO WELLS WITHIN THE MITIGATION SITE CHANGED (BLUE TO GREEN) FROM FIGURE 6. LEGEND — — — HELL SWAMP BOUNDARY 0 O CONTROL PARCEL 0 O ACCESS ROAD LSC LOWER SCOTT CREEK USC UPPER SCOTT CREEK O WELL LOCATIONS HS -1 WELL NUMBER 0 REFERENCE WELL LOCATIONS VALLEY WELL /FLOW METER ARRAY VALLEY WELL /FLOW METER ARRAY WITH TREE /SHRUB MONITORING PLOT NOTE: VALLEY ARRAY SYMBOLS MAY NOT BE VISIBLE ON SOME PRINTED VERSIONS - SEE ELECTRONIC VERSION. HYDROLOGIC ZONES WETLAND HYDROPERIODS 0 O = <6% OF THE GROWING SEASON 0 O = >6 - 12.5 PERCENT OF THE GROWING SEASON 0 O = >12.5 - 25 PERCENT OF THE GROWING SEASON D O = >25 - 75 PERCENT OF THE GROWING SEASON NOTE: LIDAR CONTOURS WERE USED TO DRAW HYDROPERIOD ZONE POLYGONS. CONTOURS ARE NOT SHOWN. 97"� 0 1200 2400 SCALE IN FEET APPENDIX A 2011 CROSS SECTION MEASUREMENTS IN SINGLE THREAD RESTORED CHANNEL OF UPPER SCOTT CREEK BAKER ENGINEERING 2011 HELL SWAMP CROSS SECTION MEASUREMENT 1.1 Geomorphic Monitoring For monitoring stream success criteria, 34 permanent cross - sections were installed following construction m2010. In accordance with the Hell Swamp Mitigation Plan (July 2009), three cross - sections were established per 1,000 foot reach of stream /valley restoration. The permanent cross - sections are used to monitor channel formation and scour overtime. For the riparian headwater systems (no defined channel construction), these cross - sections were measured for the as -built report and will also be measured at Years 3 and 5 if channel features form. For the Scott Creek single thread channel stream restoration segment, the cross sections were measured for the as -built report and then annually during the monitoring period. 1.1.1 Geomorphic Success Criteria Valleys should remain stable with minimum changes through the monitoring period; however, these cross - sections may show minor changes in flow patterns as valleys develop. 1. 1.2 Results and Discussion Two permanent cross - sections (7 and 8) are established in the Scott Creek single thread channel. Year 2 monitoring data from these two cross - sections were collected in December 2011. Cross - sectional data collected during this monitoring event, were compared to the as -built baseline data collected in 2010. Approximate locations of the two cross sections and 2011 cross - sectional graphs from each of the monitored cross - sections are included on the following page. Permanent cross - section 7 is located across a riffle at station 47 +66 on Scott Creek. According to the Year 2 survey data, the channel features in riffle cross - section 7 have remained very stable since as -built conditions. No significant areas of concern regarding the channel along this cross - section were noted following Year 2 monitoring. The survey data did record some changes in the floodplain along cross - section 7. The floodplain changes observed are attributed to flood deposition, soil settling, vegetation maturity, and slight differences in survey point location. The floodplain observations noted are expected with newly constructed restoration sites, where some minor adjustments are common. Permanent cross - section 8 is located across a pool at station 52 +81 on Scott Creek. According to the Year 2 survey data, the channel features in pool cross - section 8 have remained stable since as- built conditions. The Year 2 data show that cross - section 8 has experienced some minor deposition within the pool area of the channel, but this is common for pools in restored meandering channels, and will likely vary from year to year depending upon the flow frequency and magnitude. The survey data also recorded some changes in the floodplain along cross - section 8. The channel and floodplain changes observed along cross - section 8 are attributed to flood deposition, soil settling, vegetation maturity, and slight difference in survey point location. The pool and floodplain observations noted are expected with newly constructed restoration sites, where some minor adjustments are common. According to the Year 2 survey data, cross sections 7 and 8 have experienced some slight adjustments and settling since as -built conditions. The adjustments observed in the monitored cross - sections are minor and are not considered to demonstrate signs of instability. No areas of appreciable scour have been observed within the restored channel. 1.1.3 Areas of Concern No areas of concern have been identified for the restored headwater prongs. Hell Swamp /Scott Creek Mitigation Site A -1 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix A Generated by CZR Hell Swamp /Scott Creek Mitigation Site A -2 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix A Riffle cross - section 7 5 4.5 As-Built 4 — Year 3.5 0 3 c� 2.5 w 2 1.5 1 0 50 100 150 200 250 300 350 400 Station (ft) Pool cross - section 8 5 BAs -Built 4 —Year 1 3 g 2 ca � 1 w 0 -1 0 50 100 150 200 250 300 350 400 Station (ft) Hell Swamp /Scott Creek Mitigation Site A -3 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix A 2011 FLOW EVENTS RECORDED BY EACH GAUGE, 2011 MONTHLY SUMMARIES OF FLOW EVENTS, OBSERVER DATA, AND SELECTED 2011 PHOTOGRAPHIC DOCUMENTATION OF FLOW Table B -1. Monthly summary of flow at USC1 B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 1 3 May 1.01 3 5 June 2.17 0 0 July 2.06 0 0 August 17.58 2 3 September 10.71 2 8 October 1.75 0 0 November 2.05 0 0 December 0.52 Error after 11/20 TOTAL 50.54 7 19 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -2. Flow events recorded at USC1 B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Number of consecutive calendar Flow event Date(s) of flow event Start/stop time of event days with flow 1 4/28-5/1 1709-0829 4 2 5/24-5/25 2329-1109 2 3 5/26-5/27 1849-0709 2 4 8/27-8/28 1050-0449 2 5 8/29 0209-0449 1 6 9/14-9/20 1509-729 7 7 9/21 0429-1209 1 Error after 11/20 B -1 Table B -3. Monthly summary of flow at USC2B. Voltage calibration 1.245 volts; flow is defined as>_ 0.5gal /min (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 1 3 June 2.17 0 0 July 2.06 0 0 August 17.58 2 2 September 10.71 0 0 October 1.75 *Meter malfunctioned 8/31/11 - 11/6/11 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 3 5 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -4. Flow events recorded at USC2B. *Meter malfuntioned 8/31/11 - 11/6/11 M Number of consecutive calendar Flow event Date(s) of flow event Start/stop time of event days with flow 1 5/21 -5/23 2300-1140 3 2 8/28 0340-1800 1 3 8/29 1340-1540 1 *Meter malfuntioned 8/31/11 - 11/6/11 M Table B -5. Monthly summary of flow at USC3B. Voltage calibration 1.25 volts; flow is defined as>_ 0.5gal /min (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 4 6 June 2.17 0 0 July 2.06 0 0 August 17.58 2 9 September 10.71 *Meter malfunctioned 8/31/11 - 10/18/11 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 6 15 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -6. Flow events recorded at USC3B. *Meter malfunctioned 8/31/11 - 10/18/11 B -3 Number of consecutive calendar Flow event Date(s) of flow event Start/stop time of event days with flow 1 5/11 -5/12 1921 -2201 2 2 5/13 1821 -2021 1 3 5/14-5/15 2201 -441 2 4 5/26 1321 -1521 1 5 8/22-8/28 2021 -1901 7 6 8/30-8/31 2221 -1321 2 *Meter malfunctioned 8/31/11 - 10/18/11 B -3 Table B -7. Monthly summary of flow at USC4B. Voltage calibration 1.26 volts; flow is defined as >_ 0.5 gal /min (meter installed on 4/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 28 March 3.55 3 22 April 2.63 2 27 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 2 6 September 10.71 3 23 October 1.75 3 20 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 10 126 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -8. Flow events recorded at USC4B. B -4 Number of consecutive calendar Flow event Date(s) of flow event Start/stop time of event days with flow 1 2/1 -3/3 1740-1920 31 2 3/6-3/19 0940-1420 14 3 3/27-4/22 0020-2200 27 4 4/26-4/30 1540-1520 5 5 8/26-8/27 2140-0940 2 6 8/28-9/10 0640-1800 14 7 9/15-9/18 2300-2000 4 8 9/22-10/7 1220-0740 16 9 10/9-10/16 2040-0040 8 10 10/18 - 10/22 2300-0440 5 B -4 Table B -9. Monthly summary of flow at USCSB. Voltage calibration set at 1.26 volts, flow is defined as >_ 0.5 gal /min (meter installed on 4/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 10 March 3.55 3 4 April 2.63 4 7 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 1 September 10.71 1 5 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 8 27 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -10. Flow events recorded at USCSB. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). B -5 Number of consecutive calendar Flow event Date(s) of flow event Start/stop time of event days with flow 1 2/4-2/13 2023-1843 10 2 3/11 0723-1123 1 3 3/27 0743-1603 1 4 3/30 -4/3 1523-1943 5 5 4/5 1123-1703 1 6 4/10-4/11 0243-1043 2 7 4/17 0743-1003 1 8 8/31 -9/5 1303-2303 6 B -5 Table B -11. Monthly summary of flow at USC6B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 3 4 May 1.01 1 5 June 2.17 0 0 July 2.06 0 0 August 17.58 1 5 September 10.71 3 23 October 1.75 2 23 November 2.05 3 22 December 0.52 2 12 TOTAL 50.54 11 94 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -12. Flow events recorded at USC6B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). W. Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 4/26 0850-1930 1 2 4/27 0850-2250 1 3 4/28-4/29 0830-1650 2 4 5/8-5/12 2150-1150 5 5 8/27-9/17 1310-2210 22 6 9/22 0510-1530 1 7 9/26-10/9 2150-0930 14 8 10/18-11/1 1230-1410 15 9 11/9-11/14 1430-1110 6 10 11/16-12/7 2310-1910 22 11 12/11 - 12/15 1130-1410 5 W. Table B -13. Monthly summary of flow at USC7B. Voltage calibration 1.26 volts; flow is defined as 2: 0.1 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 1 2 August 17.58 5 5 September 10.71 1 5 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 7 12 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -14. Flow events recorded at USC7B. (If only a single or few readings of <0.1 gal /min were recorded, they were considered unreliable and left out of calculations). B -7 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 7/7-7/8 2220-0700 2 2 8/15 0540-0800 1 3 8/28 1220-2220 1 4 8/29-8/30 1120-0020 2 5 8/30 1320-1800 1 6 8/31 0320-2340 1 7 9/2-9/6 2200-1040 5 B -7 Table B -15. Monthly summary of flow at USCBB. Voltage calibration 1.25 volts; flow is defined as 2: 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 1 September 10.71 1 22 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 1 23 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -16. Flow events recorded at USCBB. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 8/31 -9/22 1428 -0028 23 - ;] Table B -17. Monthly summary of flow at USC9B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 3 23 March 3.55 7 16 April 2.63 5 17 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 2 7 September 10.71 3 16 October 1.75 2 9 November 2.05 2 3 December 0.52 0 0 TOTAL 50.54 19 91 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -18. Flow events recorded at USC9B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Me Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/2-2/22 1234-2214 21 2 2/25 0354-1854 1 3 2/28-3/1 2214-0734 2 4 3/6-3/7 1114-0334 2 5 3/10-3/14 1614-0214 5 6 3/16-3/17 0534-1534 2 7 3/24 0534-0334 1 8 3/26-3/29 2334-1554 4 9 3/30-4/6 1314-1434 8 10 4/8-4/9 2234-0134 2 11 4/9-4/13 2114-1614 5 12 4/16-4/17 1934-2214 2 13 4/28-4/29 2134-0014 2 14 8/20 0114-0214 1 15 8/26-9/5 2114-1114 11 16 9/7-9/8 0934-1554 2 17 9/22-10/7 1234-1954 16 18 10/30-11/2 1034-1614 4 19 11/4 0814-1134 1 Me Table B -19. Monthly summary of flow at USC10B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 21 March 3.55 4 12 April 2.63 3 25 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 2 6 September 10.71 3 16 October 1.75 1 6 November 2.05 1 4 December 0.52 0 0 TOTAL 50.54 12 90 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -20. Flow events recorded at USC10B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). B -10 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/2-2/23 1235-1325 21 2 3/11 -3/14 1545-0905 4 3 3/16-3/17 0605-1005 2 4 3/24 0105-0205 1 5 3/27-4/21 0005-1625 26 6 4/26-4/27 1545-1505 2 7 4/28-4/29 2205-0305 2 8 8/20 0145-2005 1 9 8/27-9/5 0205-1705 10 10 9/7-9/8 0945-1605 2 11 9/22-10/6 1225 -2345 15 12 11/1 -11/4 2325 - 1805 4 B -10 Table B -21. Monthly summary of flow at USC11 B. Voltage calibration 1.25 volts; flow is defined as 2: 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/9/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 2 9 May 1.01 1 17 June 2.17 0 0 July 2.06 0 0 August 17.58 1 5 September 10.71 1 30 October 1.75 5 10 November 2.05 2+ 3+ December 0.52 N/A N/A TOTAL 50.54 8+ 74+ ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -22. Flow events recorded at USC11 B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Flow events difficult to discern in November and December due to flooded conditions and flow not coincident with rain events. B -11 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 4/20-4/22 1507-0507 2 2 4/24-5/17 0127-1307 24 3 8/27-10/1 1327-0207 36 4 10/13 - 10/14 1127-1827 2 5 10/20 1147-2007 1 6 10/23 - 10/27 1107-2247 5 7 10/31 -11/1 1227 - 007 2 8 11/4-11/5 0827-0147 2 Flow events difficult to discern in November and December due to flooded conditions and flow not coincident with rain events. B -11 Table B -23. Monthly summary of flow at UT1 -1 B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 6 March 3.55 3 8 April 2.63 3 7 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 2 5 September 10.71 1 9 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 10 37 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -24. Flow events recorded at UT1 -1 B. B -12 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/4-2/9 1009-0349 6 2 3/6-3/7 1949-1529 2 3 3/10-3/12 2009-2329 3 4 3/27-3/29 0229-1849 3 5 3/30-4/2 1509-1329 4 6 4/10-4/12 0609-0509 3 7 4/17-4/18 1249-1249 2 8 8/27-8/27 0609-2309 1 9 8/28-8/31 1909-0149 4 10 9/22-9/29 1309-2109 9 B -12 Table B -25. Monthly summary of flow at UT1 -213. Voltage calibration 1.25 volts; flow is defined as 2: 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 March 3.55 April 2.63 May 1.01 June 2.17 July 2.06 *Unit malfunction entire year August 17.58 September 10.71 October 1.75 November 2.05 December 0.52 TOTAL 50.54 0 0 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -26. Flow events recorded at UT1 -213. Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow *Unit malfunction entire year B -13 Table B -27. Monthly summary of flow at UT1 -313. Voltage calibration 1.25 volts; flow is defined as 2: 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 1 6 August 17.58 2 7 September 10.71 *Unit malfunction 8/31/11 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 3 13 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -28. Flow events recorded at UT1 -3B. *Unit malfunction 8/31/11. New unit installed 10/18/11. B -14 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 7/26-8/1 0758-1338 7 2 8/5-8/5 0758-1658 1 3 8/27--8/31 1538-0918 5 *Unit malfunction 8/31/11 *Unit malfunction 8/31/11. New unit installed 10/18/11. B -14 Table B -29. Monthly summary of flow at UT1 -413. Voltage calibration 1.2385 volts; flow is defined as 2: 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). August and early September flow events difficult to correlate with rainfall and were not counted. Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 2 March 3.55 9 10 April 2.63 12 29 May 1.01 2 9 June 2.17 1 3 July 2.06 0 0 August 17.58 0 0 September 10.71 1 8 October 1.75 1 1 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 24 63 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -30. Flow events recorded at UT1 -4B. Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 2/27-3/1 1528-1448 3 2 3/13-3/13 0908-1808 1 3 3/17-3/17 1008-1608 1 4 3/18-3/19 0908-1208 2 5 3/21 -3/21 0908-2308 1 6 3/22-3/22 0728-1728 1 7 3/23-3/23 0748-2348 1 8 3/24-3/24 0928-1548 1 9 3/29-3/29 1028-1648 1 10 4/2-4/2 0928-1708 1 11 4/3-4/3 0948-1828 1 12 4/4-4/5 0648-1728 2 13 4/6-4/6 0848-1748 1 14 4/7-4/7 0728-2328 1 15 4/8-4/9 0708-1428 2 16 4/10-4/16 0708-2228 7 17 4/17-4/17 0908-1848 1 18 4/18-4/18 0808-2128 1 19 4/19-4/21 0608-1328 3 20 4/22-4/29 1108-2228 8 21 4/30-4/30 0708-2108 1 22 5/2-5/4 0628-1748 3 23 5/25-6/3 0548-2248 10 24 9/23-10/1 0848-1928 9 B -15 Table B -31. Monthly summary of flow at UT2 -1 B. Voltage calibration 1.2385 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Poor correlation with rainfall in some months; those events not counted. Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 4 9 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 3 September 10.71 4 7 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 9 19 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -32. Flow events recorded at UT2 -1 B. B -16 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/4-2/6 1926-2026 3 2 2/7-2/8 1746-2306 2 3 2/9-2/10 2346-2246 2 4 2/11 -2/12 0946-0526 2 5 8/28-8/30 2206-0106 3 6 9/23-9/23 1246-1546 1 7 9/25-9/27 1846-1846 3 8 9/28-9/28 1626-2146 1 9 9/29-9/30 1746-1246 2 B -16 Table B -33. Monthly summary of flow at UT3 -1 B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 4 6 March 3.55 4 7 April 2.63 3 3 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 2 5 September 10.71 1 1 October 1.75 0 0 November 2.05 1 1 December 0.52 0 0 TOTAL 50.54 14 23 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -34. Flow events recorded at UT3 -1 B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). B -17 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/4-2/5 1920-2100 2 2 2/7-2/8 2120-0820 2 3 2/10-2/10 0500-2140 1 4 2/11 -2/11 1920-2320 1 5 3/6-3/6 1820-2000 2 6 3/10-3/11 2100-0020 2 7 3/27 0100-1700 1 8 3/30-4/1 1520-1200 3 9 4/10 0200-1240 1 10 4/16 2020-2120 1 11 8/26- 8/27 2120-0520 2 12 8/27-8/30 1120-0220 4 13 9/2-9/2 0800-1340 1 14 11/10 0600-0840 1 B -17 Table B -35. Monthly summary of flow at UT3 -213. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 10 March 3.55 3 5 April 2.63 2 4 May 1.01 1 2 June 2.17 2 6 July 2.06 1 3 August 17.58 3 7 September 10.71 2 10 October 1.75 1 4 November 2.05 1 2 December 0.52 0 0 TOTAL 50.54 12 53 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -36. Flow events recorded at UT3 -213. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Number of consecutive calendar days Flow event Date(s) of event Start/stop time of event with flow 1 2/4-2/14 1813-0413 10 2 3/10-3/11 2013-2113 2 3 3/27 0053-2033 1 4 3/30-4/2 1453-1833 4 5 4/10-4/11 0053-1253 2 6 5/30-6/5 2153-1853 7 7 6/30-7/3 2033-0113 4 8 8/20 0113-0233 1 9 8/26-8/27 2113-0953 2 10 8/28-9/1 0433-0533 5 11 9/22-10/4 1213-1053 13 12 11/4 -11/5 1013 -0513 2 B -18 Table B -37. Monthly summary of flow at UT3 -3B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 8 March 3.55 1 12 April 2.63 1 1 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 2 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 3 13 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -38. Flow events recorded at UT3 -3B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). B -19 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/4-2/12 2056-2116 8 2 3/20-4/1 1616-2056 3 3 8/28-8/29 0016-0616 2 B -19 Table B -39. Monthly summary of flow at UT3 -4B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 1 March 3.55 0 0 April 2.63 1 1 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 0 0 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 2 2 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -40. Flow events recorded at UT3 -4B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 2/25 1527 1 2 4/28 0707 1 Many potential flow events less than 0.5 gal /min that appear to be the result of rain, but data are suspect due to manv similar readinas B -20 Table B -41. Monthly summary of flow at UT3 -5B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 1 1 July 2.06 1 1 August 17.58 03 03 September 10.71 13 93 October 1.75 2 30 November 2.05 1 30 December 0.52 1 31 TOTAL 50.54 2 62 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. 3 Inaccuarate number because data lost with Hurricane Irene. Table B -42. Flow events recorded at UT3 -5B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 6/20 1256 1 2 7/4 0916 1 3 9/22-10/2 0925-2005 11 4 10/4-12/31 0605-2345 89 Meter and data accumulated by the meter (4 August through 22 September) were lost due to Hurricane Irene. There are many potential flow events less than 0.5 gal /min in the spring that may be related to rain events. B -21 Table B -43. Monthly summary of flow at UT3 -6B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 6 26 March 3.55 1 31 April 2.63 4 27 May 1.01 1 3 June 2.17 0 0 July 2.06 1 2 August 17.58 1 6 September 10.71 0 0 October 1.75 0 0 November 2.05 1 10 December 0.52 0 0 TOTAL 50.54 12 99 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -44. Flow events recorded at UT3 -6B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Many intervals of inaccurate data (some within and some outside of flow events) made intrepretion of data very difficult. B -22 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/1 -2/2 1725-1345 2 2 2/2-2/16 1145-0905 14 3 2/16-2/17 1825-0825 2 4 2/19-2/21 0625-0825 3 5 2/21 -2/27 1925-0825 7 6 2/28-4/19 0325-0625 42 7 4/21 -4/22 0425-0825 2 8 4/22-4/27 1645-0645 6 9 4/28-5/3 2205-0605 6 10 7/25-7/27 1925-0925 3 11 8/26-8/31 1645-1725 6 12 11/2-11/10 2215-0935 10 Many intervals of inaccurate data (some within and some outside of flow events) made intrepretion of data very difficult. B -22 Table B -45. Monthly summary of flow at UT3 -7B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 4 18 March 3.55 5 11 April 2.63 4 10 May 1.01 0 0 June 2.17 1 1 July 2.06 2 7 August 17.58 2 8 September 10.71 2 10 October 1.75 1 5 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 16 63 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -46. Flow events recorded at UT3 -7B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). B -23 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/2-2/3 0430-1558 2 2 2/4-2/18 0530-2258 14 3 2/25 0758-1618 1 4 2/28 1058-1718 1 5 3/6-3/8 1418-0038 2 6 3/10-3/13 1618-0238 4 7 3/16 0838-1618 1 8 3/27-3/28 0738-1738 2 9 3/30-4/3 1438-1658 5 10 4/10-4/12 0018-1658 3 11 4/16-4/18 0938-1218 3 12 4/28 0258-1818 1 13 6/28 1638-1738 1 14 8/4-8/6 1258-0238 3 15 8/27-9/1 0558-1343 5 16 9/22-10/5 1238-1658 15 B -23 Table B -47. Monthly summary of flow at UT3 -8B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 11 March 3.55 3 6 April 2.63 3 7 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 5 September 10.71 5 14 October 1.75 1 3 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 12 46 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -48. Flow events recorded at UT3 -8B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). B -24 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/4-2/14 1927-1527 11 2 3/6-3/7 2027-0347 2 3 3/10-3/11 2007-1927 2 4 3/30-4/3 1507-0047 5 5 4/10-4/11 0147-1527 2 6 4/16-4/17 2027-1627 2 7 8/27-8/31 0727-1747 5 8 9/2 0207-1747 1 9 9/4 0627-0907 1 10 9/8 0647-0927 1 11 9/17-9/18 0447-1007 2 12 9/22-10/3 1307-1627 12 B -24 Table B -49. Monthly summary of flow at UT3 -9B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 2 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 1 2 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -50. Flow events recorded at UT3 -9B. (If only a single or few readings of <0.5 gal /min were recorded, they were considered unreliable and left out of calculations). Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 8/27-8/28 1959-0319 2 B -25 Table B -51. Monthly summary of flow at UT4 -1 B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Poor correlation with rainfall in some months; those events not counted. Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 2 3 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 3 September 10.71 3 9 October 1.75 1 1 November 2.05 3 3 December 0.52 0 0 TOTAL 50.54 10 19 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -52. Flow events recorded at UT4 -1 B. B -26 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/7-2/8 0825-1025 2 2 2/10 1225-2325 1 3 8/27-8/29 1205-1705 3 4 9/1 -9/2 0945-2205 2 5 9/23-9/25 1225-0525 3 6 9/26-9/29 1225-1425 4 7 10/19 1205-1705 1 8 11/10 0505-1105 1 9 11/16 0905-1645 1 10 11/23 0225-1305 1 B -26 Table B -53. Monthly summary of flow at UT4 -2B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). No flow event recorded during rainfall pre- and post- Hurricane Irene. Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 0 0 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 0 0 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -54. Flow events recorded at UT4 -2B. Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 11 events recorded > 0.5 gal, only two of which corresponded to rainfall;no event was greater than 1 hour duration none were counted; possible voltage issue with unit B -27 Table B -55. Monthly summary of flow at UT6 -3B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/5/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 12 March 3.55 3 5 April 2.63 1 2 May 1.01 0 0 June 2.17 0 0 July 2.06 *Unit malfunction 7/7/11 August 17.58 1503-1543 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 4 19 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -56. Flow events recorded at UT6 -3B. *Unit malfunction 7/7/11. Reinstalled 9/22/11. B -28 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/4-2/14 1003-0503 12 2 3/10-3/11 2003-1103 2 3 3/27 0143-1823 1 4 3/30-4/2 1503-1543 4 *Unit malfunction 7/7/11. Reinstalled 9/22/11. B -28 Table B -57. Monthly summary of flow at UT6 -4B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 15 March 3.55 6 13 April 2.63 3 10 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 2 6 September 10.71 4 14 October 1.75 1 5 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 15 79 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -58. Flow events recorded at UT6 -4B. B -29 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/2-2/16 0859-1319 15 2 3/1 0239-1359 1 3 3/6-3/7 1419-0919 2 4 3/10-3/12 1619-1339 3 5 3/16-3/17 0559-0339 2 6 3/26-3/29 2359-0539 4 7 3/30-4/4 1359-1039 5 8 4/9-4/12 2119-1959 4 9 4/16-4/17 1959-0939 2 10 8/26-8/27 2119-0519 2 11 8/28-9/16 0859-1939 20 12 9/17-9/18 1059-2219 2 13 9/19-9/22 0739-1159 4 14 9/23-9/24 0919-0819 2 15 9/25-10/5 1739-1819 11 B -29 Table B -59. Monthly summary of flow at UT6 -5B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 2 14 March 3.55 3 5 April 2.63 1 2 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 4 September 10.71 2 15 October 1.75 1 10 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 9 52 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -60. Flow events recorded at UT6 -5B. B -30 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/2-2/3 0926-1306 2 2 2/4-2/15 0826-1346 12 3 3/10-3/11 2006-1526 2 4 3/27 0246-1626 1 5 3/30-4/3 1406-1106 4 6 4/10-4/11 0006-1626 2 7 8/27-8/30 2246-1026 4 8 9/2-9/7 2006-0926 6 9 9/22-10/10 1306-1726 19 B -30 Table B -61. Monthly summary of flow at UT6 -6B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). No events greater than 0.5 gal; highest event recorded 9/22/11 at 0.45584, but rest of day 0.25595. Lots of noise on graph; voltage adjustment did not improve the output. Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 0 0 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 0 0 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -62. Flow events recorded at UT6 -6B. Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow No flow events recorded B -31 Table B -63. Monthly summary of flow at UT7 -1 B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 10 March 3.55 3 5 April 2.63 1 1 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 0 0 September 10.71 4 9 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 9 27 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -64. Flow events recorded at UT7 -1 B. B -32 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/4-2/13 1029-2129 10 2 3/10-3/11 2009-0429 2 3 3/27 0109-1509 1 4 3/30-4/2 1449-0409 4 5 4/10 0049-1749 1 6 9/12-9/16 2129-1849 5 7 9/26 0509-1749 1 8 9/27 0649-1309 1 9 9/28-9/29 1629-0209 2 B -32 Table B -65. Monthly summary of flow at UT7 -2B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/2/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 1 1 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 0 0 September 10.71 1 2 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 3 3 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -66. Flow events recorded at UT7 -2B. Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 3/30-3/30 1639-2359 1 2 9/28-9/29 1639-0339 2 B -33 Table B -67. Monthly summary of flow at UT7 -3B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates. (meter installed on 2/2/2011). Unit stopped recording 12/13/2011. Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 2 4 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 5 September 10.71 3 17 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 3 26 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -68. Flow events recorded at UT7 -3B. B -34 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 4/10-4/11 2345-0845 2 2 4/11 -4/12 1825-0005 2 3 8/27-9/15 1525-1505 20 4 9/16 0725-1245 1 5 9/23 0725-1345 1 B -34 Table B -69. Monthly summary of flow at UT8 -1 B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 20 March 3.55 1 2 April 2.63 3 14 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 0 0 September 10.71 3 13 October 1.75 3 8 November 2.05 1 15 December 0.52 0 0 TOTAL 50.54 11 71 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -70. Flow events recorded at UT8 -1 B. B -35 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/1 -2/20 1122-1622 20 2 3/6-3/7 1502-2142 2 3 4/2-4/6 0042-0002 5 4 4/9-4/13 2322-1302 5 5 4/16-4/19 2222-1442 4 6 9/7-9/18 1922-1942 11 7 9/19 0742-1642 1 8 9/26 1002-1642 1 9 10/18 0002-1902 1 10 10/25 0002-1902 1 11 10/26 - 11/15 0542-1302 20 B -35 Table B -71. Monthly summary of flow at UT8 -2B. Voltage calibration 1.235 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 10 March 3.55 2 5 April 2.63 0 0 May 1.01 0 0 June 2.17 3 14 July 2.06 0 0 August 17.58 1 1 September 10.71 0 0 October 1.75 1 1 November 2.05 2 2 December 0.52 0 0 TOTAL 50.54 10 32 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -72. Flow events recorded at UT8 -2B. B -36 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/1 -2/10 1130-0053 10 2 3/6-3/8 1833-0803 3 3 3/27-3/28 1613-1233 2 4 6/3-6/4 1913-0733 2 5 6/4-6/6 1813-0753 3 6 6/13-6/21 2253-0453 9 7 8/27 1253-1453 1 8 10/18 1353-1533 1 9 11/17 1513 1 10 11/23 0933-1133 1 B -36 Table B -73. Monthly summary of flow at UT8 -3B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 1 29 March 3.55 1 11 April 2.63 0 0 May 1.01 0 0 June 2.17 0 0 July 2.06 1 18 August 17.58 1 31 September 10.71 1 5 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 2 54 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -74. Flow events recorded at UT8 -3B. Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 2/1 -3/11 1147-1507 40 2 7/14-9/5 1227-0807 54 B -37 Table B -75. Monthly summary of flow at UT8 -4B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 1 1 June 2.17 0 0 July 2.06 1 1 August 17.58 1 1 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 1 1 TOTAL 50.54 4 4 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -76. Flow events recorded at UT8 -4B. B -38 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 5/31 1505-1625 1 2 7/10 1145-1505 1 3 8/27 1205 1 4 12/28 1305 1 B -38 Table B -77. Monthly summary of flow at UT8 -5B. Voltage calibration 1.24 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 7 20 March 3.55 6 9 April 2.63 2 24 May 1.01 0 0 June 2.17 0 0 July 2.06 0 0 August 17.58 1 10 September 10.71 1 22 October 1.75 Equipment malfunction 9/22/11 - 11/8/11 November 2.05 2 8 December 0.52 Equipment malfunction 12/14/11 - 12/31/11 TOTAL 50.54 16 93 ' Total may not be the sum of all events by month if an event overlapped two months 2 Number of calendar days with at least one reading from a flow event. Table B -78. Flow events recorded at UT8 -5B. B -39 Number of consecutive calendar Flow event Date(s) of event Start/stop time of event days with flow 1 2/1 -2/3 1315- 1515 3 2 2/5-2/9 0235-1615 5 3 2/14 1055-1755 1 4 2/16 1315-1535 1 5 2/17-2/22 0955-1415 6 6 2/25 1355-1715 1 7 2/27-3/1 0955-1655 4 8 3/7-3/9 0935-1435 3 9 3/13 0955-1735 1 10 3/18 0935-1755 1 11 3/26-3/28 2315-1335 1 12 3/30-4/1 1815-1555 3 13 4/8-4/20 1235-0735 23 14 8/22-9/22 0955-1055 32 15 11/3-11/4 1149-1049 2 16 11/9-11/15 1149-1709 6 B -39 Table B -79. Monthly summary of flow at UT8 -6B. Voltage calibration 1.25 volts; flow is defined as >_ 0.5 gal /min, but inaccurate for volume estimates (meter installed on 2/1/2011). Month Monthly rainfall Number of flow events' Number of calendar days with flow2 January 3.51 N/A N/A February 3.00 0 0 March 3.55 0 0 April 2.63 0 0 May 1.01 0 0 June 2.17 1 1 July 2.06 0 0 August 17.58 1 2 September 10.71 0 0 October 1.75 0 0 November 2.05 0 0 December 0.52 0 0 TOTAL 50.54 2 3 ' Total may not be the sum of all events by month if an event overlapped two months. 2 Number of calendar days with at least one reading from a flow event. Table B -80. Flow events recorded at UT8 -6B. Flow event Date(s) of event Start/stop time of event Number of consecutive calendar days with flow 1 6/18 2145 1 2 8/29-8/30 1625-0025 2 B -40 Table 81. Hell Swamp -Flow Observation Data for 2011 (depth in inches). Gauges installed 1 -2 February 2011. Arrays at UT6 -1 B and -213 were not installed because deep wet ruts prevented valley construction. Inflow column: H =high, M =moderate, L =low, N = none and P = ponded with no discernible flow. An - in any cell indicates no data were collected at that location on a certain date due to malfunction or error, or the reason for visit was to troubleshoot elsewhere. Date 2/1 -2/2 Flow Depth 2/8 -2/9 Flow Depth 3/9 Flow Depth 3/30 Flow Depth 5/4 Flow Depth 6/2 Flow Depth 7/6 -7/7 Flow Depth 8/3 -8/4 Flow Depth 8/31 Flow Depth 9/21 Flow Depth 9/29 -9/30 Flow Depth 10/6 Flow Depth 10/18 Flow Depth 1 10/26 -10/27 Flow Depth 11/15 -11/16 Flow Depth 12/14 Flow Depth USC -113 L 4.75 M 7.75 P 5.5 L 4.5 P 2 N 0 N 0 N 0 L 6 L 12 Y /very low 4.25 - P 2 P 2 N 0 USC -213 H 16 H 20.5 L 13.5 L 13.3 L 10 N 0 N 0 N 0 L 20.5 - - - - L 9 - Y /very low 8 P 9.5 P 8 USC -313 M 12.5 H 18 L 9.5 L 8.5 L 5 N 0 N 0 N 0 L 18 - - - - L 12 - P 6 P 6.5 P 3.75 USC -413 M 5.75 H 11 L 4.5 M 3.25 L 1 N 0 N 0 N 0 L 13.5 - - - - M 6.25 - P 3 P 1 N 0 USC -513 L 1.5 M 2.5 P 0.5 L 1 N 0 N 0 N 0 N 0 P 3 - - - - P 1.5 - P 0.25 N 0 N 0 USC -613 L 6.25 L 10.5 P 6 P 9.25 P 5 N 0 N 0 N 0 P 9 - - - - P 7 - P 6 P 6 P 3.75 USC -713 L 6.25 L 7.75 P 4.75 P 5.5 P 3.75 N 0 N 0 N 0 P 6.5 - - - - P 5 - P 3.5 P 3 P 2 USC -813 P 3.75 L 5.25 P 2.75 P 3.25 P 1 N 0 N 0 N 0 P 5 - - - - Y /very low 3 - P 1.5 P 0.5 N 0 USC -913 H 2 H 2.75 M 1 L 1.5 M 0.25 N 0 N 0 N 0 L 3.5 - - L 5 L 3.25 - P 1 N 0 N 0 USC -10B H 2.75 H 3.75 L 2 L 1.75 L 0.5 N 0 N 0 N 0 L 3.5 L 1.5 P 2 P 2 N 0 USC -11B L 12 P 9.5 11 L 10 1 P 7 1 N 0 N 0 N 0 P 10.5 - P 13.5 P 9.75 P 6.5 P 6 P 4.5 UT1 -113 L 4 M 10 L 0.25 P 3.5 N 0 N 0 N 0 N 0 L 10 - - - - P 2.5 - - N 0 N 0 N 0 UT1 -213 P 3.75 L 5.5 L 3.25 P 3 P 1.75 N 0 N 0 N 0 L 4.5 - - - - P 3 - - N 0 P 3 N 0 UT1 -313 L 3 L 4.5 P 2.5 P 3 N 0 N 0 N 0 N 0 P 4 - - - - P 3 - - N 0 P 0.5 N 0 UT1 -413 P 3 P 4.25 P 2.75 L 0.5 N 0 N 0 N 0 N 0 P 3.5 - - - - P 2.5 - - N 0 P 1 N 0 UT2 -113 P 0.75 L 1 0.25 L 0.5 N 0 N 0 N 0 N 0 P 0.5 N 0 P 0.5 N 0 N 0 N 0 UT3 -113 L 1.5 L 3 L 1.75 P 2 N 0 N 0 N 0 N 0 P 2 - L 3 N 0 N 0 N 0 UT3 -213 M 2 M 3.25 P 1.5 P 1 N 0 N 0 N 0 N 0 P 1.75 L 5 - N 0 N 0 N 0 UT3 -313 P 1.5 L 3 P 1.5 P 1 N 0 N 0 N 0 N 0 P 2 - L 1.5 N 0 P 2 N 0 UT3 -413 P 2 L 3 P 1.75 P 1.5 N 0 N 0 N 0 N 0 P 1 L 3 N 0 N 0 N 0 UT3 -513 P 4 P 6 P 3.25 P 4 P 2 N 0 N 0 N 0 P 5 L 4 N 0 N 0 N 0 UT3 -613 P 3.5 L 4.5 P 1.25 P 1 N 0 N 0 N 0 N 0 P 3 - N 0 - N 0 N 0 UT3 -713 M 1.75 M 3 L 1.75 P 1.5 N 0 N 0 N 0 N 0 P 2 L 2 - N 0 N 0 N 0 UT3 -8B M 2.25 M 3.25 P 1.75 P 1.5 N 0 N 0 N 0 N 0 P 2 L 2 N 0 N 0 N 0 UT3 -9B P 4.25 P 5.25 P 4.5 P 4 N 0 N 0 N 0 N 0 P 5 L 3 N 0 N 0 N 0 UT4 -1B P 1.75 L 2.25 P 2 P 1 N 0 N 0 N 0 N 0 P 0 P 3 N 0 N 0 N 0 N 0 UT4 -213 P 1.5 P 2 P 1.25 N 0 N 0 N 0 N 0 N 0 P 0 L 3 N 0 N 0 N 0 N 0 UT6 -1B UT6 -2B UT6 -313 L 0.25 M 1.5 P 0 N 0 N 0 N 0 N 0 N 0 L 14 P 1 P 1 N 0 UT6 -413 H 1.25 M 1.5 P 0 N 0 N 0 N 0 N 0 N 0 P 0.25 L 3 N 0 N 0 N 0 N 0 UT6 -513 M 0.75 M 1.5 P 0.25 P 0.5 N 0 N 0 N 0 N 0 P 0.5 L 3.5 N 0 N 0 N 0 N 0 UT6 -6B L 2.25 L 4.75 P 1.25 P 1.5 N 0 N 0 N 0 N 0 P 2 L 4.5 P 0.25 N 0 N 0 N 0 UT7 -1B L 2.25 M 3 P 1.25 P 1 N 0 N 0 N 0 N 0 P 0.75 L 6 N 0 N 0 N 0 N 0 UT7 -213 L 1.5 L 1.75 P 0.5 P 1 N 0 N 0 N 0 N 0 P 0.5 P 2.75 N trace N 0 N 0 N 0 UT7 -313 P 0.75 L 1.75 P 0.25 N 0 N 0 N 0 N 0 N 0 N 0 P 2 N 0 N 0 N 0 N 0 UT8 -113 H 3.75 H 8.5 H 3.75 M 5.5 P 1 N 0 N 0 P 1 P 13.25 M 25 P 2 P 2 P 2 UT8 -213 L 4.25 L 8.25 L 3.75 P 3.5 P 0.25 N 0 N 0 N 0 P 8.75 L 12.5 N 0 P 1 N 0 UT8 -313 L 7 M 11 L 6 L 6.5 P 3 N 0 N 0 N 0 L 10.75 M 15 L 3 P 2 P 5 N 0 UT8 -413 P 4.75 L 9 P 4.25 P 4 P 2 N 0 N 0 N 0 P 8 L 12.5 L 2.5 P 1 P 3 N 0 UT8 -513 M 2.5 M 4.25 M 2 L 2 N 0 N 0 N 0 N 0 P 4 L 8 L 2 N 0 N 0 P 1 N 0 UT8 -6B L 5.25 M 7.75 L 5 P 5 P 2 N 0 N 0 N 0 P 6 L 9.5 L 2 P 1 P 1 N 0 Hell Swamp /Scott Creek Mitigation Site Second Annual Report PCS Phosphate Company, Inc. Appendix B B -41 April 2012 2011 STREAM SURVEYS OF HELL SWAMP HEADWATER VALLEY SYSTEMS On 27 January 2011, all the headwater valleys at Hell Swamp were walked to determine the best locations for the low flow gauge to be installed. At the same time, active flow or evidence of past flow was also documented with photographs and video. Active flow of various strengths and in various water depths was observed in all valleys with the exception of UT4 and UT5. On 30 November and 1 December 2011, the headwater valleys and tributaries were surveyed for evidence of flow events and formation of any channel features. Each system was walked from the downstream end to its upstream end. Physical features noted included bed and bank, sediment transport and /or scour, debris wrack, matted vegetation in orientation of downstream flow, or lack of vegetation. When evidence of channel formation was longer than 10 feet the perceived channel was walked with GPS and points collected along the axis and at the beginning and end of the feature. Until the planted trees and shrubs reach enough height to shade the valleys, development of dense herbaceous vegetation will continue to occur in many areas. This herbaceous layer can attenuate flow events and reduce velocity below the point of scour and can also obscure other incipient channel formation features. Photos of certain stream features are included after the text descriptions below. Lower Scott Creek. This segment includes the most downstream reach of the stream portion of project (fill of the channelized section of old Scott Creek) and ends at the first stream crossing constructed at the location of the old Scott Creek culvert under the farm road. Actively flowing during the January survey, the lower end of the filled ditch continued to exhibit stream features by the second survey including bed and bank formation, a meandering profile, sediment transport, lack of vegetation, and flowing water. A 121 -foot long channel has formed in this segment and continues upstream beside the old ditch spoil and then enters into the vegetated Scott Creek swamp forest and becomes indistinct. No other stream features were found in the old filled Scott Creek channel nor in the vegetated swamp forest of Scott Creek. No low flow gauges or stream arrays are located in the lower Scott Creek filled ditch or vegetated swamp forest. Constructed Single Thread Channel of Upper Scott Creek. Most of channel is choked with vegetation and no flow was evident at the time of the second survey although there was water in the channel. The riffle areas of the channel appear less vegetated in the upper reach than in the lower. Upper Scott Creek. This segment begins above the constructed single thread portion of Scott Creek. Matted vegetation oriented in the direction of flow was evident for 45 feet of the valley just above the confluence with the single thread channel. At array 5 there was evidence of sheet flow and just upstream of constructed stream crossing vegetation is oriented in the direction of flow but no flow was discerned in 3 to 4 inches of water. ATV wakes have oriented the vegetation on either side of the constructed crossing. A barely distinct channel has formed on the south side of the valley about half the distance to array 6 and another feature in the valley invert has vegetation oriented in direction of flow but no strong evidence of flow. There are many ruts and ATV tracks up the valley and across the valley. Between array 8 and array 9, a 131 -foot channel has formed with little to no vegetation and some sorting; the channel almost disappears in some spots. A second channel of 108 feet has formed above array 9, although its features are faint. A 36 -foot channel has formed as an offshoot of the 108 -foot feature. Although small, bed and bank were evident as was scour in the shorter channel. Between array 9 and array 10 two additional channels have formed, one of 181 feet and one of 69.5 feet. UT8. Most of this valley displayed no evidence of flow or channel formation. Water is being held in the valley but the amount of algae in the water indicates long periods of standing water and lack of flow. A discernible channel 55 feet in length has formed just upstream of the constructed stream crossing on UT8 and lack of vegetation and little scour were features noted in this short channel during the survey. Upstream of array 6, the valley is very rutted. Hell Swamp /Scott Creek Restoration Site B -42 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B UT7. This valley had more water in its upper portion than its lower at the time of the survey, but all the stream features were confined to the lower half. Between array 1 and array 2, a 97 -foot channel has formed with meander, shallow bed and bank, no vegetation in channel, and signs of sediment transport. UT6. At the confluence of UT6 with lower Scott Creek, a 46 -foot long channel has formed with evidence of sorting and flowing water at the time of the survey. Beyond this channel there is an extensive section of standing water until just downstream of the confluence of UT7 (nuisance vegetation removal in this area left large deep ruts which were not able to be smoothed into a headwater valley shape during stream construction because the ground remained too wet to work). Near array 5, the perceived valley bottom was wetter than the surrounding valley, the vegetation became sparse, and the valley appeared to split into two although no strong evidence of bed and bank were noted. In one area downstream of array 6, very shallow bed and bank appeared to have been formed along the southern edge of the valley. The upper end of UT6 valley is vegetated but while no water was evident at the time of the survey in the upper valley, there were numerous areas where dead plant stems were imbricated in the direction of flow, and scattered small wrack lines were evident. UT5. Natural channel development appears to be inhibited, or at least interrupted, by a large tracked vehicle rut up the long axis of the valley and the entire lower valley is dissected by ruts across the long axis. UT4. Although the feature was holding water in some places, no flow features were noted in this valley. There were some very short meanders noted in a few places but they were filled with vegetation and there were many ruts perpendicular to the long axis. UT3. The lower end of this valley south of the old farm road appears too rutted across the long axis for natural stream development. An ATV trail runs up the apparent lowest part of the valley to the second flow gauge and there are numerous cross axis ruts. Two channels have formed in the UT3 valley, an 84 -foot segment in the vicinity of array 3 and a 69 -foot segment near the end of array 4. Both segments have a narrow flow way devoid of vegetation, some scour, some very shallow bed and bank, stem orientation to flow direction, and some small wrack piles. UT2. Although there was little vegetation at array 1, there was no evidence of flow at the time of the survey. The valley is densely rutted and heavily vegetated with herbaceous species in the top portion of the valley. UT1. Not as rutted in the upper portion as other valleys but some interruption of potential development by ruts. Dense juncus and grass clumps made it difficult to find flowways; some small flow paths 5 to 10 feet long but not GPSd. Valley is holding water but no evidence of flow at the time of survey. Hell Swamp /Scott Creek Restoration Site B -43 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B LOWER SCOTT CREEK 30 November 2011 Photos 1 - 4 Photo 1. Channel formation in filled ditch; view upstream to west. Two trees in middle distance on right mark the mouth of UT6. 30 November 2011. Photo 2. Channel formation meander approximately 30 feet long. Note same two trees visible in Photo 1 to right beyond biologist. 30 November 2011. Hell Swamp /Scott Creek Restoration Site B -44 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B Photo 3. Biologist standing at fork in channel; one goes into swamp to left and other goes beyond the biologist and connects to UT6 Tree to right of photo is the inmost tree of pair visible in Photos 1 and 2. Total channel length 121 feet. ''`!Xw)v Photo 4. Sediment sorting at the fork shown in Photo 3. Flow is towards right lower corner. Hell Swamp /Scott Creek Restoration Site B -45 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B Photo 4. Sediment sorting at the fork shown in Photo 3. Flow is towards right lower corner. Hell Swamp /Scott Creek Restoration Site B -45 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B UT6 3 Video January survey and November 2011 Photos 5 - 6 Photo 5. View upstream from confluence of UT6 with lower Scott Creek, total channel length 46 feet. Tree to right of biologist is same tree in Photo 3. Photo 6. View downstream in vicinity of UT6 -513, stems oriented to flow path. Much of this mid -to -upper UT6 valley has areas of stem orientation but little visible channel features. Hell Swamp /Scott Creek Restoration Site B -46 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B Constructed Single Thread Channel Scott Creek January 2011 Photos 7 - 8 y Photo 7. View upstream of active flow from just below beginning of single thread channel. Narrow constriction marks the beginning of single thread. Photo 8. View upstream of active flow in single thread channel from just before the confluence with UT1. Hell Swamp /Scott Creek Restoration Site B -47 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B UT7 Video January 2011 and 30 November 2011 Photo 9 Photo 9. View downstream between UT7 -1 B and 2B. Camera at end of 97 -foot channel feature, biologist walking channel. More water in upper valley but also more vegetation. UT8 Video January 2001 and 1 December 2011 Photo 10 �rx � i w •fix "��. y�ji!S i . : Photo 10. Upstream from constructed stream crossing, well 123 in left distance. Channel 55 feet long before vegetation obscures or prevents continuation. Hell Swamp /Scott Creek Restoration Site B -48 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B UPPER SCOTT CREEK Video January 2011 and 1 December 2011 Photos 11 -15 _ bk A::•i�� � ..; ".r::.1.r a .. ". ' a Kt i i •y... .. . Photo 11. Upstream to USC -10B. Total channel length 69 feet. Well HS20 in middle distance. Photo 12. Downstream between USC -913 and 10B total channel length 181 feet. Array 9B in distance beyond biologist. Hell Swamp /Scott Creek Restoration Site B -49 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B Photo 13. Downstream at USC -913, channel visible left of gauge; total channel length 108 feet. Another small 36 -foot channel forks off this channel upstream of 9B. ■ Photo 14. Biologist walking up 131 -foot channel between USC -8B and 9B. Sediment sorting evident with little to no vegetation, but feature weakly formed in some locations. Hell Swamp /Scott Creek Restoration Site B -50 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B yy � _.' _ „�`����sr�`•��;3.:sb � �"': -�� .:> • .x• . _� - ' =rte`: •h;:� .�,.� �'' f ,: i� ����,• �'} a✓ rt as �.. ..... ...;. r'k'ti'...'r...t :r�,Rr �.�- •:.��'� a :Vi•µ '�C -.�: 1.wR".✓ -• '' s.:.;.:'?':'' w: Y.: 5+ 1fri ...d.r%:.'•: =•$7'it:+s!-� -:F. �r7d� Photo 15. Downstream at beginning of single thread channel with HS53 in right distance. No channel formation above constructed channel at this location but large areas of matted vegetation in direction of flow (evident in near bottom foreground). UT3 Video January 2011 and 30 November 2011 Photos 16 — 17 IV � H Photo 16. Downstream channel towards UT3 -4B gauge (biologist at gauge). Total channel length 69 feet. Minor evidence of scour, slight meander, no vegetation in channel. Hell Swamp /Scott Creek Restoration Site B -51 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B Photo 17. Downstream in 84 -foot channel near UT3 -2B. Very shallow unvegetated narrow channel, some scour, some stems oriented to flow, few shallow 1.5 to 2 inch banks. Hell Swamp /Scott Creek Restoration Site B -52 PCS Phosphate Company, Inc. Second Annual Report April 2012 Appendix B APPENDIX C STEM COUNTS AT INDIVIDUAL PLOTS AT HELL SWAMP Appendix C1. Hell Swamp baseline (BL) and second (2nd) 2011 annual riparian buffer plot totals. Number in each column indicates trees and shrubs unquestionably alive at sampling. Shrubs are indicated with an asterisk. Plot size is 0.017 acre. TOTALS 11 5 16 16 18 15 20 20 14 16 19 13 23 20 15 12 10 11 13 13 16 11 0 10 0 0 0 0 18 14 17 18 17 7 21 18 22 20 Plot was not monitored at baseline. 2 Plots have not been established. Hell Swamp /Scott Creek Mitigation Site PCS Phosphate Company, Inc. Second Annual Report C1 -1 April 2012 USC -1 B USC -513 USC -813 USC -11 B UT1 -1 B UT1 -313 UT2 -213 UT3 -1 B UT3 -413 UT3 -713 UT4 -1 B UT5 -2131 UT6 -1 B2 UT6 -313 2 UT6 -513 UT7 -213 UT8 -1 B UT8 -4B UT8 -613 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 1 1 1 1 1 6 Carya aquatica water hickory 1 "Cephalanthus occidentalis buttonbush 1 1 Clethra alnifolia sweet pepperbush 1 1 1 1 1 1 1 1 1 1 3 Cynlla racemiflora titi 1 1 1 3 2 "Cornus amomum silky dogwood Diospyros virginiana common persimmon 5 6 Fagus grandifolia American beech 3 Fraxinus pennsylvanica green ash 1 2 2 3 3 4 4 3 2 2 3 2 2 2 2 1 1 13 13 Ilex decidua possumhaw 1. glabra ink berry 1 1. opaca American holly 1 1 1 1 1 1. verticillata winterberry 0 "Itea virginica Virginia willow 1 1 1 1 2 1 1 2 2 "Leucothoe racemosa Swamp doghobble 1 1 "Lindera benzoin spicebush Magnolia virginiana sweet bay 1 1 1 1 4 2 2 1 1 Nyssa aquatica water tupelo 3 3 1 1 1 1 Nyssa biflora swamp black gum 2 4 4 2 2 4 4 1 1 1 3 6 3 3 3 2 1 3 3 3 2 2 1 Oxydendron arboreum sourwood 2 Persea palustris red bay 1 1 1 3 1 1 1 Prunus serotina black cherry Quercus albs white oak 4 3 Q. falcata southern red oak 3 1 1 Q. laurifolia laurel oak 2 2 3 3 4 4 2 3 1 2 2 1 1 Q. lyrata overcup oak 3 3 3 3 6 7 1 1 1 4 2 2 5 5 3 1 1 3 1 3 6 2 2 Q. michauxii swamp chestnut oak 2 2 4 4 1 4 4 1 1 1 1 4 3 2 1 1 1 1 3 3 3 3 2 0 Q. nigra water oak 2 8 8 Q. pagoda cherrybark oak 1 1 Q. phellos willow oak 1 1 2 2 Q. spp. oak 1 "Rosa palustris swamp rose 1 Taxodium distichum bald cypress 1 1 6 6 4 4 4 4 3 2 1 1 2 2 3 2 4 5 5 5 Ulmus americana American elm 1 1 1 1 1 1 2 1 2 4 4 2 2 1 1 "Vaccinium corymbosum high bush blueberry "Viburnum nudum possumhaw viburnum TOTALS 11 5 16 16 18 15 20 20 14 16 19 13 23 20 15 12 10 11 13 13 16 11 0 10 0 0 0 0 18 14 17 18 17 7 21 18 22 20 Plot was not monitored at baseline. 2 Plots have not been established. Hell Swamp /Scott Creek Mitigation Site PCS Phosphate Company, Inc. Second Annual Report C1 -1 April 2012 Appendix C2. Hell Swamp baseline (BL) and second annual (2nd) 2011 plot totals. Number in each column indicates trees and shrubs unquestionably alive at sampling. Shrubs are indicated with an asteri Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -1 PCS Phosphate Company, Inc. April 2012 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 0 0 1 0 4 0 1 1 0 1 1 0 2 0 4 1 1 1 1 2 2 Carya aquatica water hickory 6 5 Cephalanthus occidentalis buttonbush Clethra alnifolia sweet pepperbush 1 1 2 1 1 1 1 1 7 5 3 3 6 4 2 2 Cyrilla racemiflora titi Corpus amomum silky dogwood 6 5 Diospyros virginiana common persimmon 4 5 Fagus grandifolia American beech 9 9 Fraxinus pennsylvanica green ash 4 4 11 9 9 8 1 1 2 2 5 4 13 13 9 9 11 11 2 2 3 3 Ilex decidua possumhaw 1. glabra ink berry 4 4 1 1 4 4 1. opaca American holly *1. verticillata winterberry *Itea virginica Virginia willow 1 1 1 2 4 4 5 5 5 4 12 11 2 2 2 2 *Leucothoe racemosa Swamp doghobble *Lindera benzoin spicebush 1 0 4 3 Magnolia virginiana sweet bay 13 13 3 2 7 6 1 1 1 1 3 2 1 1 1 3 1 1 5 2 2 1 Nyssa aquatica water tupelo 10 7 Nyssa biflora swamp black gum 23 14 5 4 2 3 11 10 14 12 19 19 30 30 5 5 3 3 11 9 31 27 9 8 32 32 12 12 10 6 8 5 38 31 Oxydendron arboreum sourwood Persea palustris red bay 2 1 Prunus serotina black cherry 4 4 1 Quercus albs white oak 11 10 Q. falcata southern red oak Q. laurifolia laurel oak 5 3 18 21 6 4 1 1 31 25 6 6 21 10 12 13 13 24 21 Q. lyrata overcup oak 1 1 Q. michauxii swamp chestnut oak 14 9 15 15 31 26 37 36 24 25 16 16 22 21 18 18 18 19 13 14 12 12 28 28 14 14 26 27 48 48 36 38 23 4 18 17 Q. nigra water oak 7 9 17 18 24 30 7 9 19 19 22 27 3 6 27 30 28 27 18 18 18 1 12 12 2 2 5 3 Q. pagoda cherrybark oak 29 26 22 25 14 13 55 56 27 24 10 16 9 9 12 11 6 3 3 Q. phellos willow oak 1 Q. spp. oak 1 0 0 0 5 0 7 2 1 2 1 2 *Rosa palustris swamp rose Taxodium distichum bald cypress 11 11 4 3 Ulmus americana American elm 7 4 4 4 8 8 1 17 17 14 13 7 7 12 13 26 23 16 16 29 29 1 1 *Vaccinium corymbosum high bush blueberry 1 1 2 3 1 1 2 2 *Viburnum nudum possumhaw viburnum TOTAL 77 53 62 61 93 93 90 82 85 76 90 90 80 78 90 87 84 88 84 82 80 77 86 84 93 88 85 84 110 113 93 92 81 71 67 35 86 76 Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -1 PCS Phosphate Company, Inc. April 2012 Appendix C2. (continued) Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -2 PCS Phosphate Company, Inc. April 2012 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 1 1 1 2 3 2 2 1 2 2 3 Carya aquatica water hickory Cephalanthus occidentalis buttonbush Clethra alnifolia sweet pepperbush 2 1 1 1 4 4 2 2 2 2 1 1 1 5 5 1 1 3 2 1 1 1 1 1 Cyrilla racemiflora titi Corpus amomum silky dogwood Diospyros virginiana common persimmon Fagus grandifolia American beech Fraxinus pennsylvanica green ash 18 18 3 3 9 9 17 17 23 21 9 9 6 6 8 8 20 19 11 11 33 31 Ilex decidua possumhaw 1. glabra ink berry 1 1 1 4 4 1 2 1 1. opaca American holly 2 2 *1. verticillata winterberry 1 Tea virginica Virginia willow 3 3 2 1 8 8 2 2 2 1 1 *Leucothoe racemosa Swamp doghobble *Lindera benzoin spicebush 1 Magnolia virginiana sweet bay 2 2 2 3 1 3 1 1 1 10 7 4 1 2 7 3 Nyssa aquatica water tupelo 3 1 29 5 6 Nyssa biflora swamp black gum 13 12 2 2 5 5 20 19 31 3 3 5 3 1 1 3 3 6 6 13 12 29 24 40 36 28 26 2 2 8 7 5 4 Oxydendron arboreum sourwood Persea palustris red bay 1 1 2 1 1 1 3 Prunus serotina black cherry 2 2 Quercus albs white oak 1 Q. falcata southern red oak Q. laurifolia laurel oak 12 12 1 35 36 6 6 11 18 20 21 35 35 21 21 4 23 23 34 36 18 17 31 27 30 28 13 12 Q. lyrata overcup oak 5 5 8 8 1 1 Q. michauxii swamp chestnut oak 15 14 14 14 27 27 28 29 24 23 52 52 19 18 20 16 20 20 27 25 32 32 4 4 22 22 31 31 5 5 16 15 18 19 31 30 17 18 Q. nigra water oak 3 4 20 19 52 52 21 23 1 26 22 32 31 Q. pagoda cherrybark oak 3 3 1 1 1 24 21 36 38 17 16 23 23 6 7 18 19 17 12 20 18 Q. phellos willow oak 4 6 1 1 7 7 Q. spp. oak 0 2 1 3 7 2 2 3 1 *Rosa palustris swamp rose Taxodium distichum bald cypress 14 14 2 2 19 17 Ulmus americana American elm 2 2 22 22 7 7 10 10 9 10 24 22 8 8 42 42 13 13 3 2 28 25 *Vaccinium corymbosum high bush blueberry 9 9 4 4 1 1 4 4 3 2 1 2 5 5 *Viburnum nudum possumhaw viburnum 2 2 TOTAL 97 95 1 94 90 96 95 86 88 102 100 1 95 93 72 69 95 94 103 96 104 99 98 93 90 86 70 68 103 97 83 79 100 90 103 89 105 90 106 88 Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -2 PCS Phosphate Company, Inc. April 2012 Appendix C2. (continued) Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -3 PCS Phosphate Company, Inc. April 2012 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 5 1 1 2 2 1 2 8 2 2 1 1 1 1 1 Carya aquatica water hickory Cephalanthus occidentalis buttonbush 4 4 7 6 Clethra alnifolia sweet pepperbush 1 1 1 4 4 1 1 1 1 2 2 1 1 1 1 3 2 1 1 1 Cyrilla racemiflora titi 1 1 4 5 1 1 1 1 Corpus amomum silky dogwood Diospyros virginiana common persimmon Fagus grandifolia American beech Fraxinus pennsylvanica green ash 14 14 10 10 12 11 21 20 10 10 9 9 3 2 17 15 29 27 23 21 31 30 14 14 4 4 17 17 26 26 36 35 15 15 15 Ilex decidua possumhaw 1. glabra ink berry 1 1 1. opaca American holly 6 6 *1. verticillata winterberry Tea virginica Virginia willow 1 1 3 2 3 3 2 2 1 1 2 1 1 1 5 5 1 2 *Leucothoe racemosa Swamp doghobble 1 1 1 *Lindera benzoin spicebush 1 1 2 1 1 1 Magnolia virginiana sweet bay 1 1 1 3 3 8 1 4 3 10 6 16 12 4 2 2 2 3 Nyssa aquatica water tupelo 3 3 7 5 13 12 4 4 1 1 7 4 7 6 7 6 5 Nyssa biflora swamp black gum 8 7 8 6 13 10 10 6 2 5 4 10 9 17 15 5 4 Oxydendron arboreum sourwood 1 1 Persea palustris red bay 1 1 6 5 2 1 1 1 1 1 1 4 1 Prunus serotina black cherry Quercus albs white oak Q. falcata southern red oak Q. laurifolia laurel oak 37 36 27 27 15 16 27 29 22 18 9 14 19 19 30 30 17 17 Q. lyrata overcup oak 20 20 12 11 10 7 26 26 10 10 1 2 2 20 22 18 19 12 11 27 27 11 Q. michauxii swamp chestnut oak 26 27 15 13 24 25 1 0 2 2 43 44 13 13 37 40 11 17 28 30 8 8 22 22 17 18 19 19 10 10 1 1 5 Q. nigra water oak 1 1 22 22 Q. pagoda cherrybark oak 24 25 2 2 4 3 3 16 18 1 1 Q. phellos willow oak 9 9 14 14 25 21 2 2 6 6 2 2 4 6 22 20 8 7 22 Q. spp. oak 1 1 1 2 9 *Rosa palustris swamp rose Taxodium distichum bald cypress 9 9 16 16 4 4 5 4 10 10 2 2 16 14 5 4 1 7 6 15 Ulmus americana American elm 6 6 29 27 28 26 19 15 19 19 6 6 *Vaccinium corymbosum high bush blueberry 4 3 1 1 *Viburnum nudum possumhaw viburnum TOTAL 117 111 73 67 89 86 1 85 62 76 67 99 98 1 77 74 110 101 114 99 85 77 42 48 94 84 100 92 94 93 114 108 71 69 71 66 71 0 64 79 Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -3 PCS Phosphate Company, Inc. April 2012 Appendix C2. (continued) Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -4 PCS Phosphate Company, Inc. April 2012 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 1 2 1 1 5 2 4 2 2 4 2 7 2 1 2 2 1 Carya aquatica water hickory Cephalanthus occidentalis buttonbush 1 1 2 2 1 1 Clethra alnifolia sweet pepperbush 1 1 1 1 4 1 1 1 2 2 3 3 2 2 1 1 1 1 6 4 1 1 1 2 1 1 3 3 Cyrilla racemiflora titi 1 1 2 Corpus amomum silky dogwood Diospyros virginiana common persimmon Fagus grandifolia American beech Fraxinus pennsylvanica green ash 25 25 26 27 14 13 9 9 20 20 19 19 23 23 3 3 10 9 19 10 8 14 14 10 10 7 8 1 1 18 18 Ilex decidua possumhaw 1. glabra ink berry 1. opaca American holly 1 *1. verticillata winterberry Tea virginica Virginia willow 2 2 5 5 12 10 1 1 6 6 6 6 3 3 5 5 3 3 2 1 5 4 3 3 1 1 *Leucothoe racemosa Swamp doghobble *Lindera benzoin spicebush 2 2 4 5 3 2 2 1 Magnolia virginiana sweet bay 1 1 2 2 4 1 1 1 1 2 1 2 2 1 Nyssa aquatica water tupelo 20 15 19 16 19 18 22 22 21 18 36 21 13 13 16 6 19 9 1 1 25 21 Nyssa biflora swamp black gum 21 18 9 9 3 3 10 9 11 4 15 15 Oxydendron arboreum sourwood Persea palustris red bay 2 2 1 1 6 4 2 1 2 1 4 2 2 1 Prunus serotina black cherry Quercus albs white oak Q. falcata southern red oak Q. laurifolia laurel oak 1 1 Q. lyrata overcup oak 14 13 24 24 1 10 10 30 30 12 14 13 13 30 30 29 29 23 23 40 41 1 1 26 25 Q. michauxii swamp chestnut oak 9 9 15 16 23 22 22 24 10 10 22 28 14 14 2 17 18 7 7 27 27 22 26 11 10 1 2 Q. nigra water oak 1 1 7 13 10 25 30 40 13 11 1 22 30 2 3 3 4 3 3 Q. pagoda cherrybark oak 37 36 12 12 1 2 5 17 18 10 13 1 2 7 Q. phellos willow oak 9 10 15 18 20 20 9 9 14 20 13 13 14 10 13 13 Q. spp. oak 8 18 16 1 1 3 11 1 17 1 1 *Rosa palustris swamp rose Taxodium distichum bald cypress 11 11 9 8 4 3 26 25 7 7 12 12 21 19 8 7 13 11 8 8 10 10 12 11 33 32 36 34 Ulmus americana American elm 4 4 19 19 6 6 14 14 8 7 *Vaccinium corymbosum high bush blueberry 1 1 1 1 *Viburnum nudum possumhaw viburnum TOTAL 97 91 111 110 97 91 92 84 91 76 77 79 115 113 96 96 97 98 82 61 92 84 62 74 101 76 95 82 102 100 95 78 54 47 67 71 110 102 Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -4 PCS Phosphate Company, Inc. April 2012 Appendix C2. (continued) Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -5 PCS Phosphate Company, Inc. April 2012 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 2 7 1 3 1 1 5 14 5 2 1 1 1 4 1 1 2 1 2 1 4 Carya aquatica water hickory 17 15 4 4 12 12 2 2 Cephalanthus occidentalis buttonbush 2 2 6 6 2 2 3 3 6 4 Clethra alnifolia sweet pepperbush 5 6 1 1 2 1 1 1 3 1 2 2 2 2 1 3 2 3 1 Cyrilla racemiflora titi 1 1 2 2 Corpus amomum silky dogwood 1 1 Diospyros virginiana common persimmon 6 6 5 4 Fagus grandifolia American beech 10 10 15 16 Fraxinus pennsylvanica green ash 16 16 31 28 36 31 10 10 20 19 3 3 19 19 16 15 16 13 10 10 47 45 38 37 15 15 1 1 5 5 14 11 Ilex decidua possumhaw 1 1 1 1 1. glabra ink berry 1 1 1. opaca American holly 4 4 2 1 3 3 *1. verticillata winterberry 3 2 4 2 *Itea virginica Virginia willow 1 1 1 5 3 2 2 6 6 1 1 3 2 *Leucothoe racemosa Swamp doghobble *Lindera benzoin spicebush 2 1 1 2 1 Magnolia virginiana sweet bay 4 4 2 2 1 0 6 1 4 3 4 2 2 2 Nyssa aquatica water tupelo 7 4 11 4 20 13 8 7 5 1 14 12 11 7 11 4 28 16 6 14 2 14 11 Nyssa biflora swamp black gum 4 5 2 2 8 5 27 27 4 2 1 1 Oxydendron arboreum sourwood Persea palustris red bay 1 2 1 2 2 1 Prunus serotina black cherry 7 7 Quercus albs white oak 27 28 7 7 14 14 Q. falcata southern red oak 10 10 9 9 20 21 Q. laurifolia laurel oak 17 18 5 5 1 Q. lyrata overcup oak 10 14 18 17 33 32 16 15 11 11 7 7 8 8 11 11 20 20 25 22 26 26 25 25 3 4 10 10 Q. michauxii swamp chestnut oak 10 11 3 3 1 17 18 13 14 27 28 4 3 8 8 1 Q. nigra water oak 15 15 17 21 14 14 10 10 9 8 1 1 Q. pagoda cherrybark oak 30 29 40 40 Q. phellos willow oak 28 27 7 9 3 4 15 15 18 18 20 20 1 18 18 28 31 21 25 14 14 3 3 15 17 4 4 Q. spp. oak 1 1 1 1 *Rosa palustris swamp rose 1 Taxodium distichum bald cypress 29 31 17 17 21 15 12 11 22 11 33 31 2 2 25 23 6 6 27 24 14 1 25 13 13 9 Ulmus americana American elm 18 18 *Vaccinium corymbosum high bush blueberry 3 1 1 1 *Viburnum nudum possumhaw viburnum 4 TOTAL 1 106 102 98 101 109 95 82 71 90 74 76 70 79 47 103 91 107 95 96 95 82 70 102 99 91 85 132 129 110 99 114 97 54 33 68 41 70 50 Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -5 PCS Phosphate Company, Inc. April 2012 Appendix C2. (continued) 1 The area in the vicinity of plot 105 has not been planted Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -6 PCS Phosphate Company, Inc. April 2012 96 97 98 99 100 101 102 103 104 1051 106 107 108 109 110 111 112 113 114 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 8 6 1 1 1 2 1 4 3 1 Carya aquatica water hickory 11 11 12 13 18 17 14 15 15 16 12 8 Cephalanthus occidentalis buttonbush 2 2 Clethra alnifolia sweet pepperbush 1 0 2 1 2 1 2 1 1 1 2 2 1 1 1 Cyrilla racemiflora titi 1 1 1 1 1 1 Corpus amomum silky dogwood 1 1 4 3 1 1 2 2 2 2 Diospyros virginiana common persimmon 2 2 8 8 1 1 2 2 4 4 Fagus grandifolia American beech 5 4 9 9 4 4 6 5 10 10 15 6 Fraxinus pennsylvanica green ash 26 26 9 9 17 17 7 7 18 27 5 5 9 9 30 30 22 22 17 17 30 30 Ilex decidua possumhaw 1 1 3 3 1. glabra ink berry 0 1. opaca American holly 3 3 1 1 2 1 4 4 1 1 5 4 *1. verticillata winterberry 2 2 4 4 1 3 2 1 2 1 2 *Itea virginica Virginia willow 3 1 5 5 3 3 2 3 7 5 2 2 3 2 2 3 5 5 1 1 *Leucothoe racemosa Swamp doghobble *Lindera benzoin spicebush 1 1 2 1 3 3 Magnolia virginiana sweet bay 1 4 2 7 6 1 1 5 3 1 4 2 2 1 1 1 3 2 2 2 Nyssa aquatica water tupelo 17 10 20 17 9 3 16 11 20 14 7 7 12 12 20 14 Nyssa biflora swamp black gum 2 10 8 22 14 5 2 Oxydendron arboreum sourwood Persea palustris red bay 2 3 1 2 1 1 2 Prunus serotina black cherry 3 3 2 2 1 1 4 3 3 3 Quercus albs white oak 12 12 22 23 23 23 26 26 19 18 24 26 Q. falcata southern red oak 20 19 14 14 8 9 23 23 21 21 16 24 Q. laurifolia laurel oak 21 24 1 1 1 18 Q. lyrata overcup oak 0 8 8 24 24 25 35 17 17 17 17 14 14 46 46 17 Q. michauxii swamp chestnut oak 15 14 14 15 27 28 21 19 11 10 24 22 12 11 3 3 6 6 16 15 Q. nigra water oak 23 26 22 23 24 24 30 30 17 17 18 18 24 24 16 16 17 16 Q. pagoda cherrybark oak 22 18 15 14 1 21 21 Q. phellos willow oak 9 9 19 19 15 19 18 20 20 20 21 21 17 14 8 10 Q. spp. oak 1 *Rosa palustris swamp rose Taxodium distichum bald cypress 13 12 24 23 15 14 14 12 8 8 16 15 8 7 19 18 Ulmus americana American elm 1 1 5 5 18 18 4 4 2 2 *Vaccinium corymbosum high bush blueberry 1 0 1 1 1 *Viburnum nudum possumhaw viburnum TOTAL 104 86 92 82 89 84 96 81 111 104 89 86 98 99 95 88 95 107 0 0 81 75 l0ii 88 106 98 102 95 117 112 103 103 94 93 104 97 97 92 1 The area in the vicinity of plot 105 has not been planted Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -6 PCS Phosphate Company, Inc. April 2012 Appendix C2. (concluded) Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -7 PCS Phosphate Company, Inc. April 2012 115 116 117 118 119 120 121 122 123 124 Scientific name Common name BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd BL 2nd Unknown Unknown 4 1 1 4 4 Carya aquatica water hickory 19 18 19 18 1 Cephalanthus occidentalis buttonbush Clethra alnifolia sweet pepperbush 1 1 3 2 1 1 1 1 2 Cyrilla racemiflora titi 2 2 1 1 1 Corpus amomum silky dogwood 6 6 Diospyros virginiana common persimmon 1 1 2 2 Fagus grandifolia American beech 6 5 9 9 Fraxinus pennsylvanica green ash 15 15 11 10 15 15 7 7 17 17 10 10 12 17 18 17 Ilex decidua possumhaw 1. glabra ink berry 1. opaca American holly 3 3 2 2 2 1 *1. verticillata winterberry 2 2 *Itea virginica Virginia willow 3 4 5 5 4 4 4 4 3 3 3 *Leucothoe racemosa Swamp doghobble 1 1 1 *Lindera benzoin spicebush 2 1 1 1 Magnolia virginiana sweet bay 4 4 1 1 5 Nyssa aquatica water tupelo 18 17 4 2 1 16 14 10 7 15 15 7 5 12 4 14 5 Nyssa biflora swamp black gum 9 8 Oxydendron arboreum sourwood Persea palustris red bay 2 1 1 1 1 4 Prunus serotina black cherry 4 3 2 2 Quercus albs white oak 27 27 20 20 Q. falcata southern red oak 9 11 7 7 Q. laurifolia laurel oak 1 1 4 2 Q. lyrata overcup oak 31 30 12 16 6 6 22 22 26 26 25 25 22 23 13 13 Q. michauxii swamp chestnut oak 9 11 2 2 15 15 7 10 Q. nigra water oak 26 26 28 28 Q. pagoda cherrybark oak Q. phellos willow oak 14 14 20 20 1 1 18 17 27 28 17 16 24 24 8 10 25 26 Q. spp. oak *Rosa palustris swamp rose Taxodium distichum bald cypress 33 32 13 12 24 24 25 25 19 18 12 11 7 10 15 13 Ulmus americana American elm 1 1 1 2 2 2 *Vaccinium corymbosum high bush blueberry *Viburnum nudum possumhaw viburnum TOTAL 114 109 95 92 98 96 97 95 94 89 97 95 100 98 94 90 96 80 93 78 Hell Swamp /Scott Creek Mitigation Site Second Annual Report C2 -7 PCS Phosphate Company, Inc. April 2012 APPENDIX D SELECTED SECOND ANNUAL RESTORATION PHOTOGRAPHS UT6 -1 B photo station view downstream. 14 July 2010. UT6 -1 B photo station view downstream. 27 October 2011. D -1 Hell Swamp /Scott Creek Mitigation Site PCS Phosphate Company, Inc. Second Annual Report April 2012 iW I Well 14 photo station view to the north. 13 July 2010. Well 14 photo station view to the north. 27 October 2011. D -2 Hell Swamp /Scott Creek Mitigation Site PCS Phosphate Company, Inc. Second Annual Report April 2012 Well 98 photo station view to the west. 13 July 2010. Well 98 photo station view to the west. 25 October 2011. D -3 Hell Swamp /Scott Creek Mitigation Site PCS Phosphate Company, Inc. Second Annual Report April 2012