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Henry Fork Stream and Wetland Mitigation
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MONITORING YEAR 4
ANNUAL REPORT
Final
HENRY FORK MITIGATION SITE
Catawba County, NC
DEQ Contract No. 005782
DMS Project No. 96306
Catawba River Basin
HUC 03050103 Expanded Service Area
Data Collection Period: February 2019 - November 2019
Final Submission Date: December 23, 2019
PREPARED FOR:
NC Department of Environmental Quality
Division of Mitigation Services
1652 Mail Service Center
Raleigh, NC 27699-1652
PREPARED BY:
1430 South Mint Street, Suite 104
Charlotte, NC 28203
Phone: 704.332.7754
Fax: 704.332.3306
Wildlands Engineering, Inc. phone 704-332-7754 fax 704-332-3306 1430 S. Mint Street, # 104 Charlotte, NC 28203
December 23, 2019
Mr. Matthew Reid
Western Project Manager
Division of Mitigation Services
5 Ravenscroft Dr., Suite 102
Asheville, NC 28801
RE: Response to MY4 Draft Report Comments
Henry Fork Mitigation Project
DMS Project # 96306
Contract Number 005782
RFP Number 16-005298
Catawba River Basin – CU# 03050103 Expanded Service Area
Catawba County, North Carolina
Dear Mr. Reid:
Wildlands Engineering, Inc. (Wildlands) has reviewed the Division of Mitigation Services (DMS) comments
from the Draft Monitoring Year 4 report for the Henry Fork Mitigation Project. The following Wildlands
responses to DMS’s report comments are noted in italics lettering.
DMS comment; Please add callout on CCPV for location of bank repair on UT1.
Wildlands response; A callout has been added to CCPV Figure 3.2 to note the location of the bank repair
on UT1.
DMS comment; On Page 1-4, the report mentions minor bank repairs are planned on UT1 Reach 2
near 102+75. This stationing does not correspond to UT1 Reach 2 according to the CCPV. Please
update accordingly.
Wildlands response; The stationing has been corrected in the report text.
DMS comment; Page 1-5 describes a narrow footpath through the easement near vegetation plot 5
for the purpose of the frisbee golf course. During the on-site meeting held January 16, 2019 with
Wildlands, IRT and DMS, the IRT expressed concern with the trail and indicated it would need to
discontinue by the time of closeout. Wildlands indicated they would communicate this to the adjacent
land owner. Meeting minutes are attached.
Wildlands response; Text has been added to this paragraph to be consistent with the January 16, 2019
meeting minutes.
DMS comment; For clarity, consider adding the consecutive day number for each gage on the
groundwater gage plots instead of using the currently shown 20 day bar. The gage 8 plot shows 19
days which corresponds to the consecutive days for that gage. All the other gages use the 20 day bar.
Wildlands Engineering, Inc. phone 704-332-7754 fax 704-332-3306 1430 S. Mint Street, # 104 Charlotte, NC 28203
The 20 day bar adds some confusion to the plots without a description of what it corresponds too
(8.5% of the growing season).
Wildlands response; For clarity, the number of consecutive days is now shown instead of the 20 day bar
on all groundwater gage plots.
Digital Files Review
DMS comment; Wetland 1, 2, B, G, N, and R features in the DMS geodatabase do not match what is
reported in the monitoring report asset table. Please provide DMS with features for these wetlands
that accurately characterize the creditable assets.
Wildlands response; A new shapefile called “ALL_Wetlands” has been added to the electronic support
files that correctly matches the creditable assets.
DMS comment; DMS cannot open the "Henry Fork In-Stream Flow Gage with..." file. Please confirm
that the file cannot be opened, and if it cannot, provide a new file.
Wildlands response; Yes, Wildlands is able to open the file that was provided to DMS in the electronic
support files. Please let us know if there continues to be an issue with opening the file.
Enclosed please find two (2) hard copies and one (1) electronic copy on CD of the Final Monitoring
Report. Please contact me at 704-332-7754 x101 if you have any questions.
Sincerely,
Andrea S. Eckardt,
Ecological Assessment Team Leader
aeckardt@wildlandseng.com
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL i
EXECUTIVE SUMMARY
Wildlands Engineering Inc. (Wildlands) implemented a full delivery project at the Henry Fork Mitigation
Site (Site) for the North Carolina Division of Mitigation Services (DMS) to restore 3,057 linear feet (LF) of
perennial streams and enhance 2,626 LF of intermittent streams, enhance 0.68 acres of existing
wetlands, rehabilitate 0.25 acres of existing wetlands, and re-establish 3.71 acres of wetlands in
Catawba County, NC. The Site is expected to generate 4,807.667 stream mitigation units (SMUs) and
4.221 wetland mitigation units (WMUs) (Table 1). The Site is located near the city of Hickory in Catawba
County, NC, in the Catawba River Basin; eight-digit Cataloging Unit (CU) 03050102 and the 14-digit
Hydrologic Unit Code (HUC) 03050102010030 (Figure 1).
The project’s compensatory mitigation credits will be used in accordance with the In-Lieu Fee (ILF)
Program Instrument dated July 28, 2010, the expanded service area as defined under the September 12,
2006 PACG memorandum, and/or DMS acceptance and regulatory permit conditions associated with
DMS ILF requirements. Hydrologic Unit Code (HUC) 03050102010030, Lower Henry Fork, was identified
as a Targeted Local Watershed (TLW) in DMS’ 2007 Catawba River Basin Restoration Priority (RBRP)
Plan. The project streams consist of four unnamed tributaries (UTs) to the Henry Fork River on the site
of a former golf course, referred to herein as UT1, UT2, UT1A, and UT1B (Figure 2). The project also
consists of several wetland restoration components, as well as buffer planting along Henry Fork. The
project watershed consists of agricultural, forested, and residential land uses.
The project goals established in the mitigation plan (Wildlands, 2015) were completed with careful
consideration of goals and objectives that were described in the RBRP and to meet DMS mitigation needs
while maximizing the ecological and water quality uplift within the watershed. The established project
goals include:
• Permanently protect the project site from harmful uses; and
• Correct modifications to streams, wetlands and buffers;
• Improving and re-establishing hydrology and function of previously cleared wetlands;
• Reducing current erosion and sedimentation;
• Reduce nutrient inputs to streams and wetlands, and to downstream water bodies;
• Improve instream habitat; and
• Provide and improve terrestrial habitat, and native floodplain forest.
The Site construction and as-built surveys were completed between November 2015 and March 2016.
Monitoring Year (MY) 4 assessments and site visits were completed between February and November
2019. Per Inter-agency Review Team (IRT) guidelines, detailed monitoring and analysis of vegetation and
channel cross-sectional dimensions were omitted during MY4. Visual observations, substrate data,
hydrology data, and management practices are included in this report. To preserve the clarity and
continuity of reporting structure, this report maintains section and appendix numbering from previous
monitoring reports. Omitted sections are denoted in the table of contents.
Overall, the Site has met the required stream and vegetation success criteria for MY4. All restored and
enhanced streams are stable and functioning as designed. All project streams recorded at least one
bankfull event or greater in MY4; therefore, the bankfull performance standard has been met for the
Site. Vegetation appears to be performing adequately to attain the MY5 density requirement of 260
stems per acre. Fourteen of the fifteen groundwater monitoring gages installed on the Site met or
exceeded the hydrologic success criteria for MY4. The MY4 visual assessment revealed a few areas of
concern including pockets of invasive plant species, areas of low stem vigor, isolated areas of bank
scour, and beaver activity which will continue to be monitored and adaptive management will be
performed as needed.
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL ii
HENRY FORK MITIGATION SITE
Monitoring Year 4 Annual Report
TABLE OF CONTENTS
Section 1: PROJECT OVERVIEW .....................................................................................1-1
1.1 Project Goals and Objectives ..................................................................................................... 1-1
1.2 Monitoring Year 4 Data Assessment .......................................................................................... 1-2
1.2.1 Stream Assessment ............................................................................................................ 1-2
1.2.2 Stream Hydrology Assessment .......................................................................................... 1-2
1.2.3 Vegetative Assessment ...................................................................................................... 1-3
1.2.4 Wetland Assessment .......................................................................................................... 1-3
1.2.5 Areas of Concern and Adaptive Management Plan ........................................................... 1-4
1.3 Monitoring Year 4 Summary ...................................................................................................... 1-5
Section 2: METHODOLOGY ...........................................................................................2-1
Section 3: REFERENCES .................................................................................................3-1
APPENDICES
Appendix 1 Figures and Tables
Figure 1 Vicinity Map
Figure 2 Project Component/Asset Map
Table 1 Project Components and Mitigation Credits
Table 2 Project Activity and Reporting History
Table 3 Project Contact Table
Table 4 Project Information and Attributes
Appendix 2 Visual Assessment Data
Figure 3.0-3.2 Integrated Current Condition Plan View
Table 5a-e Visual Stream Morphology Stability Assessment Table
Table 6 Vegetation Condition Assessment Table
Stream Photographs
Vegetation Photographs*
Appendix 3* Vegetation Plot Data
Table 7 Vegetation Plot Criteria Attainment
Table 8 CVS Vegetation Plot Metadata
Table 9 Planted and Total Stems
Appendix 4 Morphological Summary Data and Plots
Table 10a-b Baseline Stream Data Summary*
Table 11a-b Morphology and Hydraulic Summary (Dimensional Parameters – Cross Section)*
Table 12a-b Monitoring Data – Stream Reach Data Summary*
Cross Section Plots*
Pebble Count Data
Appendix 5 Hydrology Summary Data and Plots
Table 13 Verification of Bankfull Events
Table 14 Wetland Gage Attainment Summary
Groundwater Gage Plots & Stream Gage Plots
Monthly Rainfall Data
*Content not required for Monitoring Year 4 Report
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL 1-1
Section 1: PROJECT OVERVIEW
The Site is located near the city of Hickory in Catawba County, NC, in the Catawba River Basin; eight-digit
CU 03050102 and the 14-digit HUC 03050102010030 (Figure 1). Access to the Site is via Mountain View
Road, approximately one mile southwest of Hickory, North Carolina. Situated in the Inner Piedmont Belt
of the Piedmont Physiographic Province (USGS, 1998), the project watershed consists of agricultural,
forested, and residential land uses. The drainage area for the Site is 178 acres. (0.28 square miles).
The project streams consist of four unnamed tributaries (UTs) to the Henry Fork River on the site of a
former golf course, referred to herein as UT1, UT2, UT1A, and UT1B. Stream restoration reaches
included UT1 (Reach 1 and 2) and UT1B, together comprising 3,057 LF of perennial stream channel.
Stream enhancement reaches included UT1A and UT2, together totaling 2,626 LF. Stream enhancement
activities for UT1A and UT2 were the same as for restoration reaches, however the tributaries are
intermittent, and as such were credited as enhancement. The riparian areas of the tributaries, as well as
a 100 foot-wide buffer of the Henry Fork, were planted with native vegetation to improve habitat and
protect water quality. Wetland components included enhancement of 0.68 acres of existing wetlands,
rehabilitation of 0.25 acres of existing wetlands and re-establishment of 3.71 acres of wetlands.
Construction activities were completed by Land Mechanic Designs, Inc. in March 2016. Planting and
seeding activities were completed by Bruton Natural Systems, Inc. in March 2016. A conservation
easement has been recorded and is in place on 48.06 acres (Deed Book 03247, Page Number 0476-
0488) within a tract owned by WEI-Henry Fork, LLC. The project is expected to generate 4,807.667 SMUs
and 4.221 WMUs. Annual monitoring will be conducted for seven years with the close-out anticipated to
commence in 2023 given the success criteria are met. Appendix 1 provides more detailed project
activity, history, contact information, and watershed/site background information for this project.
Directions and a map of the Site are provided in Figure 1 and project components are illustrated for the
Site in Figure 2.
1.1 Project Goals and Objectives
This Site is intended to provide numerous ecological benefits within the Catawba River Basin. The Site
will help meet the goals for the watershed outlined in the RBRP and provide numerous ecological
benefits within the Catawba River Basin. While many of these benefits are limited to the Henry Fork
project area, others, such as pollutant removal, reduced sediment loading, and improved aquatic and
terrestrial habitat, have farther-reaching effects. Expected improvements to water quality and ecological
processes are outlined below as project goals and objectives. These project goals established were
completed with careful consideration of goals and objectives that were described in the RBRP and to
meet the DMS mitigation needs while maximizing the ecological and water quality uplift within the
watershed.
The following project specific goals established in the mitigation plan (Wildlands, 2015) include:
• Permanently protect the project site from harmful uses; and
• Correct modifications to streams, wetlands and buffers;
• Improving and re-establishing hydrology and function of previously cleared wetlands;
• Reducing current erosion and sedimentation;
• Reduce nutrient inputs to streams and wetlands, and to downstream water bodies;
• Improve instream habitat; and
• Provide and improve terrestrial habitat, and native floodplain forest.
The project goals were addressed through the following project objectives:
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL 1-2
• Decommissioning the existing golf course and establishing a conservation easement on the Site
will eliminate direct chemical fertilizer, pesticide and herbicide inputs;
• Resizing and realigning channels to address stream dredging and ditching. Planting native woody
species in riparian zones which have been maintained through mowing. By correcting these
prior modifications, the channels and floodplains will provide a suite of hydrologic and biological
function;
• Restoring appropriate stream dimensions and juxtaposition of streams and wetlands on the
landscape. Wetlands will be enhanced through more frequent overbank flooding, and also by
reducing the drawdown effect that current ditched channels have on wetland hydrology,
thereby enhancing wetland connectivity to the local water table. The project will extend existing
wetland zones into adjacent areas and support wetland functions;
• Removing historic overburden to uncover relic hydric soils. Roughen wetland re-establishment.
Restore streams for wetland benefit. Each of these will bring local water table elevations closer
to the ground surface. Create overbank flooding, and depressional storage for overland and
overbank flow retention. Decrease direct runoff, and increase infiltration;
• A native vegetation community will be planted on the Site to revegetate the riparian buffers and
wetlands. Conduct soil restoration through topsoil harvesting and reapplication, and leaf litter
harvesting and application from adjacent forested areas. This will return functions associated
with buffers and forested floodplains, as well as enhance soil productivity and bring native
biological activity and seed into the disturbed areas;
• Constructing diverse and stable channel form with varied stream bedform and installing habitat
features, along with removing culverts. These will allow aquatic habitat quality and connectivity
enhancement; and
• Placing a portion of the right bank Henry Fork floodplain under a conservation easement, and
planting all stream buffers and wetlands with native species. Creating a 100 foot-wide corridor
of wooded riparian buffer along that top right bank area and re-establishing native plant
communities, connectivity of habitat within Site and to adjoining natural areas along the river
corridor.
1.2 Monitoring Year 4 Data Assessment
Annual monitoring was conducted during MY4 (February to November 2019) to assess the condition of
the project. The stream, vegetation, and hydrologic success criteria for the Site follows the approved
success criteria presented in the Henry Fork Mitigation Plan (Wildlands, 2015).
1.2.1 Stream Assessment
MY4 is a reduced monitoring year that does not require morphological surveys; therefore no cross-
sectional survey was performed this year. In general, MY4 pebble counts in UT1 and UT1B indicate
maintenance of coarser material in the riffle features and finer particles in the pool features. Refer to
Appendix 2 for the visual stability assessment tables, Current Conditions Plan View (CCPV) Figures 3.0-
3.2, and reference photographs and Appendix 4 for pebble count plots.
1.2.2 Stream Hydrology Assessment
At the end of the seven-year monitoring period, two or more bankfull events must have occurred in
separate years within the restoration reaches. During MY4, all stream reaches recorded at least one
bankfull event. Multiple bankfull events had been recorded in previous monitoring years on all reaches;
therefore, the performance criteria has been met for the Site.
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL 1-3
In addition to monitoring bankfull events, intermittent streams must be monitored to demonstrate that
stream flow regimes are sufficient to establish an Ordinary High Water Mark, specifically a minimum of
30 consecutive days of flow during periods of normal rainfall. The stream gages indicated each stream
recorded between 150-300 days of consecutive flow. Presence of baseflow was observed in UT1, UT1A,
and UT1B during each site visit. UT2 was observed with baseflow during all site visits except for the
period with lower than normal amounts of rainfall from September to October. These observations
confirm data recorded by the stream gages. Refer to Appendix 5 for hydrology summary data and plots.
1.2.3 Vegetative Assessment
MY4 is a reduced monitoring year that does not require detailed vegetation inventory and analysis;
therefore no vegetation plot monitoring was performed this year. Visual assessment in MY4 indicate
that planted stems are surviving, and the Site should be on track to meet the MY5 density requirement
of 260 stems per acre.
1.2.4 Wetland Assessment
In total, there are fifteen GWGs currently on the Site. Seven groundwater hydrology gages (GWGs) were
established during the baseline monitoring within the wetland rehabilitation and re-establishment zones
(GWGs 1 – 4 and 6 – 8). Two additional gages (GWG 5 and 9) were installed within the wetland re-
establishment areas during 2017 (MY2) in order to further assess wetland performance. During the
initial GWG installation, GWG 3 was installed in a seep where hydrology was much stronger than the
surrounded area; therefore, GWG 3 was relocated in January 2017 (MY2) to an area that was more
representative of the surrounding wetlands. The transducer for GWG 5 was replaced at the beginning of
MY4 due to abnormal data in MY3 and to ensure accurate water level data is being reported. In
February and March 2019 (MY4), six additional GWG were added to the Site. Three gages (GWG 10 – 12)
were installed to better define the wetland re-establishment area within the right floodplain of UT1
Reach 2. The remaining three gages (GWG 13 – 15) were installed in locations adjacent to wetland
enhancement areas to provide groundwater data to support the potential expansion of these wetland
areas.
Following construction, gages were distributed so that the data collected would provide a reasonable
indication of groundwater levels throughout the wetland components on the Site. Additional gages have
been added to further refine this data. A gage was established in an adjacent reference wetland and is
being utilized to compare with the hydrologic response within the restored wetland areas at the Site. A
barotroll logger (to measure barometric pressure used in the calculations of groundwater levels with
gage transducer data) was installed on the Site. The rainfall data is collected from an existing NC
CRONOS station (Hickory 4.8 SW, NC). All monitoring gages were downloaded on a quarterly basis and
maintained on an as needed basis. A soil temperature gage was also installed on Site in October 2016.
Wildlands is using the soil temperature probe data to confirm the dates defined in the WETS table for
Burke County, NC. The WETS growing season is not available for Catawba County; however, a growing
season is defined for historic weather data collected at the Hickory Regional Airport in Burke County,
which is approximately 3 miles as the crow flies from the Site. The growing season from Burke County,
which runs from March 20th to November 11th (236 days), is being used for hydrologic success. The final
performance standard established for wetland hydrology will be a free groundwater surface within 12
inches of the ground surface for 20 consecutive days (8.5%) of the defined growing season under typical
precipitation conditions.
Of the fifteen GWGs, fourteen met the success criteria for MY4. Of the gages that met, the percentage
consecutive days of the growing season ranged from 15% to 100% of the growing season. While GWG 8
was the only gage that did not meet criteria, the measured maximum consecutive days was short by
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL 1-4
only one day. GWGs 5, 10, and 13 achieved the success criteria for 100% of the growing season with
plots showing similar hydroperiods indicating comparable groundwater hydrology in those areas. The
remainder of the GWGs follow the hydroperiod of the reference gage.
Refer to the CCPV Figures 3.0-3.2 in Appendix 2 for the groundwater gage locations and Appendix 5 for
groundwater hydrology summary data and plots.
1.2.5 Areas of Concern and Adaptive Management Plan
Vegetation
In MY4, minor areas of invasive plant populations are found within the conservation easement. These
species include: Japanese honeysuckle (Lonicera japonica), multiflora rose (Rosa multiflora), Chinese
privet (Ligustrum sinense), Creeping primrose (Ludwigia peploides), and Asian spiderwort (Murdannia
keisak). Areas of dense sweet gum (Liquidambar styraciflua) monocultures were also identified and
treated within the planted areas in the Site. Wildlands contracted with a provider for invasive
species/sweet gum treatment that occurred in November 2019.
Visual assessments in MY4 continued to reveal areas with low stem vigor/height and poorer herbaceous
cover on the lower portion of the Site (UT2 and UT1 Reach 2 floodplains). Though the herbaceous cover
in these areas remains less established in comparison to the rest of the Site, it has improved over time
from previous monitoring years. The floodplains of UT2 and UT1 Reach 2 were addressed in the fall of
MY4 with an additional seeding and amendment application. These areas will continue to be monitored
and Wildlands will implement further remedial action such as supplemental planting if necessary.
Streams
Following a large storm event in June 2019, isolated areas of bank scour were noted along UT1. In
August 2019, minor repairs were performed on UT1 Reach 1 on the pool near station 106+00 consisting
of regrading the outside meander bend and replanting the banks with established vegetation
transplanted from the floodplain. Additional minor bank repairs, in part related to beaver activity, are
planned for an area of bank scour on UT1 Reach 2 near station 124+75 and to be completed in the
winter of 2019/2020.
Continuing in MY4, low flow (water present, but low velocity) in UT1A and UT2 was observed with some
vegetation within the channel. A defined baseflow channel is still present and as woody vegetation
becomes more established and shades out in-stream vegetation, the baseflow channel is expected to
become less vegetated. In November 2019, additional live-stakes were planted to supplement the
woody vegetation along the banks where needed on UT1A and UT2 in order to improve stream shading.
During MY2, a portion of UT1 Reach 1 was found to be flowing subsurface and surface repair and
plugging of this area was completed in December 2017 in order to address the issue. The repair has
remained effective throughout MY4.
Several beaver dams have been removed in MY4 throughout the lower portion of UT1 Reach 2. The
beaver activity has been limited to the lower portion of the project and off site before the tributary
reaches Henry Fork. Beaver activity will continue to be monitored and managed throughout closeout.
Wetlands
In previous monitoring years, wetland hydrology had been weak in the wetland rehabilitation areas
upslope of UT1 Reach 2 (GWGs 2 – 3) and at the head of UT2 (GWG 8). As discussed in section 1.2.4, all
GWGs except for GWG 8 met or exceeded the success criteria indicating that groundwater levels have
continued to recharge in MY4, bolstered by strong winter rainfall totals, as well as above average
growing season rainfall. Three of the additional gages (GWGs 10 – 12) were installed at the beginning of
MY4 ensure adequate representation of the hydrology in the wetland re-establishment area upslope of
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL 1-5
UT1 Reach 2. The three remaining gages (GWGs 13 – 15) added in MY4 were installed adjacent to
wetland enhancement areas to provide hydrology data to support the potential expansion of these
areas to offset any loss of wetland re-establishment areas where GWGs are not meeting success criteria.
Conservation Easement
There is an approved narrow footpath through the easement near vegetation plot 5 for the purpose of
frisbee golf that Wildlands has allowed on a conditional basis and to discontinue by the time of closeout.
This has continued to be monitored to ensure that it does not violate easement terms or threaten
stream assets.
The minor mowing encroachments that were observed in MY1 and MY2 have been resolved. While
there has been a stop to the encroachment issues, the Site boundary and prior problem areas will
continue to be monitored for easement enforcement.
Quarterly site visits will continue to be conducted to monitor and address any areas of concern. If
necessary, future adaptive management will be implemented to improve herbaceous cover, treat and
control invasive plants, and address hydrology issues. Please refer to Appendix 2 for CCPV Figures 3.0-
3.2.
1.3 Monitoring Year 4 Summary
Overall, the Site has met the required stream and vegetation success criteria for MY4. All restored and
enhanced streams are stable and functioning as designed. All project streams recorded at least one
bankfull event or greater in MY4; therefore, the bankfull performance standard has been met for the
Site. Vegetation appears to be performing adequately to attain the MY5 density requirement of 260
stems per acre. Fourteen of the fifteen groundwater monitoring gages installed on the Site met or
exceeded the hydrologic success criteria for MY4. The MY4 visual assessment revealed a few areas of
concern including pockets of invasive plant species, areas of low stem vigor, isolated areas of bank
scour, and beaver activity which will continue to be monitored and adaptive management will be
performed as needed.
Summary information and data related to the performance of various project and monitoring elements
can be found in the tables and figures in the report appendices. Narrative background and supporting
information formerly found in these reports can be found in the Mitigation Plan documents available on
DMS’s website. All raw data supporting the tables and figures in the appendices are available from DMS
upon request.
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL 2-1
Section 2: METHODOLOGY
Geomorphic data were collected following the standards outlined in The Stream Channel Reference Site:
An Illustrated Guide to Field Techniques (Harrelson et al., 1994) and in the Stream Restoration: A Natural
Channel Design Handbook (Doll et al., 2003). All Integrated Current Condition Mapping was recorded
using either a Trimble or Topcon handheld GPS with sub-meter accuracy and processed using Pathfinder
and ArcGIS. Crest gages were installed in surveyed riffle cross sections and monitored quarterly.
Hydrologic monitoring instrument installation and monitoring methods are in accordance with the
United States Army Corps of Engineers (USACE, 2003) standards. Vegetation monitoring protocols
followed the Carolina Vegetation Survey-EEP Level 2 Protocol (Lee et al., 2008).
Henry Fork Mitigation Site
Monitoring Year 4 Annual Report – FINAL 3-1
Section 3: REFERENCES
Doll, B.A., Grabow, G.L., Hall, K.A., Halley, J., Harman, W.A., Jennings, G.D., and Wise, D.E. 2003. Stream
Restoration A Natural Channel Design Handbook.
Harrelson, C.C., Rawlins, C.L., Potyondy, J.P. 1994. Stream Channel Reference Sites: An Illustrated Guide
to Field Technique. Gen. Tech. Rep. RM-245. Fort Collins, CO: U.S. Department of Agriculture, Forest
Service, Rocky Mountain Forest and Range Experiment Station. 61 p.
Lee, M.T., Peet, R.K., S.D., Wentworth, T.R. 2008. CVS-EEP Protocol for Recording Vegetation Version
4.2. Retrieved from http://cvs.bio.unc.edu/protocol/cvs-eep-protocol-v4.2-lev1-5.pdf.
North Carolina Climate Retrieval and Observations Network of the Southeast Database (NCCRONOS).
2019. State Climate Office of North Carolina. Version 2.7.2. Station ID Hickory 4.8 SW. Accessed
November 2019.
North Carolina Division of Mitigation Services (DMS), 2007. Catawba River Basin Restoration Priorities.
http://www.nceep.net/services/restplans/RBRPCatawba2007.pdf
North Carolina Division of Mitigation Services and Interagency Review Team Technical Workgroup. 2018.
Standard Measurement of the BHR Monitoring Parameter. Raleigh, NC.
Rosgen, D. L. 1994. A classification of natural rivers. Catena 22:169-199.
Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books.
United States Army Corps of Engineers. 2003. Stream Mitigation Guidelines. USACE, NCDENR-DWQ,
USEPA, NCWRC.
United States Geological Survey. 1998. North Carolina Geology.
http://www.geology.enr.state.nc.us/usgs/carolina.htm
Wildlands Engineering, Inc (2015). Henry Fork Mitigation Site Mitigation Plan. NCEEP, Raleigh, NC.
APPENDIX 1. General Figures and Tables
03050102010030
03050101090020
03050102020020
03050102010020
03050102030010
03050101100011
03050101140010
Proje ct Location
Hyd rologic Unit Cod e (14)
DMS T arge ted Local Watersh e d
Figure 1 Vicinity MapHe nry Fork Mitigation SiteDMS Proje ct No. 96306Monitoring Ye ar 4 - 2019
Catawba County, NC
¹0 10.5 Mile s
T h e subject proje ct site is an environm ental restoration site of th e De partm ent of Env ironm ental Quality (DEQ) Division of Mitigation Service s (DMS) and is encom passe d by a re cord ed conse rvation ease m ent, but is bord ered by land und e r private owne rsh ip. Accessing th e site m ay re quire traversing areas near or along th e easem e nt bound ary and th erefore access by th e general public is not pe rm itted . Access by auth orized personnel of state and fe d eral age ncie s or th eir d e signe es/contractors involv ed in th e d eve lopm ent, ove rsigh t,and steward sh ip of th e restoration site is pe rm itte d with in th e te rm s and tim efram e s of th eir d efine d roles. Any inte nd ed site visitation or activity by any pe rson outsid e of th e se prev iously sanctioned roles and activites requires prior coord ination with DMS.
Directons to Site:T h e site is located in western Catawba County, NC, T h e site is south we st of th e City of Hickory. T h e proje ct is located on th e old Henry River Golf Course. From Ash eville, NC, take US‐40 East approxim ately 75 m ile s to US‐321 in Hickory, NC. Take exit 42 forUS‐321 South and continue approxim ately 1.2 m ile s. T ake exit for NC‐127 South – continue on NC‐127 South for 0.3 m iles, th en turn righ t on Fle etwood Drive. Follow to th e end (approxim ately 0.2 m iles) and turn righ t onto State Road 1192, Mountain View Road . T h e e ntrance to th e Henry Fork site is at th e end of th e road , approxim ate ly 0.7 m ile s on Mountain View Road .
Henry Fork
Mountain View Ro
a
d
UT1 Reach 1Upper
UT1
A
UT1B
UT2
UT1 Reach 2
UT1 Reach 1Lower
Catawba County, NC
¹0 300150 Feet
2018 Aerial Photography
Conservation Easement
Henry Fork River
Planted Buffer
Wetland Rehabilitation
Wetland Re-establishment
Wetland Enhancement
Stream Restoration
Stream Enhancement I
Figure 2 Project Component/Asset Map
Henry fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
DMS Project No.96306
Buffer Nitrogen
Nutrient Offset
Type R RE R RE R RE
Totals 4,807.667 N/A 3.880 0.341 N/A N/A N/A N/A
Proposed Stationing/
Location*
Existing Footage/
Acreage Approach Mitigation Ratio Credits
(SMU/WMU)*
100+00 to 103+02 P1 1:1 302.000
103+02 to 114+71 P1 1:1 1,169.000
114+71 to 126+99 1,499 P1/P2 1:1 1,228.000
180+00 to 186+57 353 P1 1.5:1 438.000
150+00 to 153+58 478 P1 1:1 358.000
200+00 to 219+69 1,915 P1 1.5:1 1,312.667
Floodplain near UT1
Reach 2 N/A
Planting,
hydrologic
improvement
1:1 2.480
Floodplain near UT2 N/A
Planting,
hydrologic
improvement
1:1 1.230
Floodplain between UT1
Reach 2 and UT1A 0.18
Planting,
hydrologic
improvement
1.5:1 0.120
Floodplain between UT1
Reach 2 and UT1A 0.01
Planting,
hydrologic
improvement
1.5:1 0.009
Floodplain between UT1
Reach 2 and UT1A 0.003
Planting,
hydrologic
improvement
1.5:1 0.002
Floodplain near UT1A 0.02 Planting 2:1 0.009
East hillslope near UT1A 0.06 Planting 2:1 0.028
East hillslope near UT1A 0.08 Planting 2:1 0.039
East hillslope near UT1
Reach 2 0.04 Planting 2:1 0.018
East hillslope near UT1
Reach 2 0.06 Planting 2:1 0.028
East hillslope near UT1
Reach 2 0.13 Planting 2:1 0.065
Floodplain towards river
from UT2 0.08 Planting 2:1 0.042
Floodplain upslope of
UT2 0.02 Planting 2:1 0.012
Floodplain upslope of
UT2 0.07 Planting 2:1 0.035
Floodplain in footprint of
Pond 3 near head of UT1
Reach 2
0.06
Significant
improvement to
wetland functions
1.5:1 0.039
UT1 Reach 1 Valley (Pond
1)0.16 Planting 2:1 0.066
Buffer (square
feet)Upland (acres)
N/A N/A
N/A N/A
N/A N/A
N/A N/A
N/A N/A
N/A N/A
N/A
PROJECT COMPONENTS
Reach ID Restoration (R) or
Restoration Equivalent Restoration Footage/Acreage*
Table 1. Project Components and Mitigation Credits
Henry Fork Mitigation Site
Monitoring Year 4 - 2019
MITIGATION CREDITS
Stream Riparian Wetland Non-Riparian Wetland Phosphorous Nutrient Offset
STREAMS
UT1 Reach 1 Upper
1,392
Restoration 302
UT1 Reach 1 Lower Restoration 1,169
UT1B Restoration 358
UT2 Enhancement 1,969
UT1 Reach 2 Restoration 1,228
UT1A Enhancement 657
Wetland A Rehabilitation 0.18
Wetland B Rehabilitation 0.013
WETLANDS
Wetland 1 Re-establishment 2.48
Wetland 2 Re-establishment 1.23
Wetland H Enhancement 0.06
Wetland I Enhancement 0.08
Wetland C Rehabilitation 0.003
Wetland G Enhancement 0.02
Wetland M Enhancement 0.13
Wetland N Enhancement 0.08
Wetland J Enhancement 0.04
Wetland K Enhancement 0.06
Wetland R Rehabilitation 0.06
Wetland S Enhancement 0.13
Wetland P Enhancement 0.02
Wetland Q Enhancement 0.07
Enhancement I 2,626 N/A N/A
Wetland Re-Establishment N/A 3.71 N/A
COMPONENT SUMMATION
Restoration Level Stream (LF)Riparian Wetland (acres)Non-Riparian Wetland
(acres)
Restoration 3,057 N/A N/A
Preservation N/A N/A N/A
* Stream credit calculations were originally calculated along the as-built thalweg and updated to be calculated along stream ceneterlines for Monitoring Year 2 after discussions with NC IRT.
Wetland Rehabilitation N/A 0.25 N/A
Wetland Enhancement N/A 0.68 N/A
Henry Fork Mitigation Site
DMS Project No.96306
Monitoring Year 4 - 2019
DMS Project No.96306
Bare Roots
Live Stakes
Plugs
Permanent seed mix applied to reach/segments1 March 2016 March 2016
Final Design - Construction Plans October 2015 October 2015
Construction November 2015 - March 2016 March 2016
Table 2. Project Activity and Reporting History
Activity or Report Data Collection Complete Completion or Scheduled Delivery
Mitigation Plan August 2015 September 2015
Temporary S&E mix applied to entire project area1 March 2016 March 2016
March 2016
Baseline Monitoring Document (Year 0)Stream Survey March 2016 May 2016Vegetation Survey March 2016
Year 1 Monitoring Stream Survey October 2016
December 2016Vegetation Survey September 2016
Year 1 Beaver dam removal on UT1 Reach 2 May-September 2016
Year 1 Invasive Species treatment June & July 2016
Bare root and live stake plantings for reach/segments March 2016
Stream Survey April 2018
November 2018
June & August 2018
Year 2 Monitoring Stream Survey April 2017
December 2017Vegetation Survey July 2017
Year 2 Invasive Species Treatment August 2017
Year 3 Monitoring Vegetation Survey September 2018
Year 3 Invasive Species Treatment
Year 5 Monitoring Stream Survey 2020 December 2020Vegetation Survey 2020
Year 4 Monitoring Stream Survey N/A
Vegetation Survey N/A
Year 4 Invasive Species Treatment October 2019
November 2019
Year 4 Bank Repair on UT1 Reach 1 August 2019
Year 4 Beaver dam removal on UT1 Reach 2 March 2019 - November 2019
Year 7 Monitoring Stream Survey 2022 December 2022Vegetation Survey 2022
Year 6 Monitoring Stream Survey N/A December 2021Vegetation Survey N/A
1Seed and mulch is added as each section of construction is completed.
N/A - Not applicable
Table 3. Project Contact Table
Henry Fork Stream Mitigation Site
Monitoring Year 4 - 2019
Designer
Jake McLean, PE
Wildlands Engineering, Inc.
167-B Haywood Rd.
Asheville, NC 28806
828.774.5547
Seeding Contractor
Land Mechanics Designs, Inc.
780 Landmark road
Willow Spring, NC 27592
Seed Mix Sources Green Resource, LLC
Construction Contractor
Land Mechanics Designs, Inc.
780 Landmark road
Willow Spring, NC 27592
Planting Contractor
Bruton Natural Systems, Inc
P.O. Box 1197
Fremont, NC 27830
Monitoring, POC Kristi Suggs
704.332.7754, ext. 110
Nursery Stock Suppliers
Dykes and Son Nursery
Bruton Natural Systems, Inc
Wetland Plants, Inc.
Monitoring Performers Wildlands Engineering, Inc.
Henry Fork Mitigation Site
DMS Project No.96306
Monitoring Year 4 - 2019
UT1 Reach 1 UT1 Reach 2 UT1A UT1B UT2
1,497 1,232 658 358 1,969
106 129 23 31 49
39.5 32.5 27.25 31.25 27
P P I P I
III IV/V IV/V III IV/V
---------------
---------------
0.024-0.056 0.0043-0.017 0.0095-0.016 0.015-0.077 0.0032
Supporting Documentation
N/A
Henry Fork Mitigation Plan;
Wildlands determined "no effect"
on Catawba County listed
endangered species. June 5, 2015
email correspondence from USFWS
stated "not likely to adversely
affect" northern long-eared bat.
No historic resources were found
to be impacted (letter from SHPO
dated 3/24/2014)
N/A
Floodplain development permit
issued by Catawba County.
N/A
Physiographic Province Inner Piedmont
Table 4. Project Information and Attributes
PROJECT INFORMATION
Project Name Henry Fork Mitigation Site
County Catawba County
Project Area (acres)48.06
Project Coordinates (latitude and longitude)35°42'12.98"N, 81°21'53.20"W
PROJECT WATERSHED SUMMARY INFORMATION
River Basin Catawba
USGS Hydrologic Unit 8-digit 03050102 (Expanded Service Area for 03050103)
USGS Hydrologic Unit 14-digit 03050102010030
Drainage Area (acres)
DWR Sub-basin 03-08-35
Project Drainage Area (acres)178
Project Drainage Area Percentage of Impervious Area 5%
CGIA Land Use Classification 39% - Herbaceous/Pasture, 36% - Forested, 25% - Developed, >1% - Water
REACH SUMMARY INFORMATION
Parameters
Length of Reach (linear feet) - Post-Restoration
Native Vegetation Community Piedmont Alluvial Forest
NCDWR Stream Identification Score
NCDWR Water Quality Classification C
Morphological Desription (stream type)
Evolutionary Trend (Simon's Model) - Pre-Restoration
Underlying Mapped Soils Codorus loam, Dan River loam, Hatboro Loam, Poplar Forest gravelly sandy loam 2-6% slopes, and Woolwine-Fairview complex
Drainage Class
Soil Hydric Status
Slope
FEMA Classification N/A*
Percent Composition Exotic Invasive Vegetation -Post-Restoration 0%
REGULATORY CONSIDERATIONS
Regulation Applicable?Resolved?
Waters of the United States - Section 404 Yes PCN prepared USACE Nationwide Permit No.27
and DWQ 401 Water Quality
Certification No. 3885.Waters of the United States - Section 401 Yes PCN prepared
Division of Land Quality (Dam Safety)N/A N/A
Endangered Species Act Yes Yes
Historic Preservation Act Yes Yes
Coastal Zone Management Act (CZMA)/Coastal Area Management Act (CAMA)No N/A
*The project site reaches do not have regulated floodplain mapping, but are located within the Henry Fork floodplain.
FEMA Floodplain Compliance Yes*No impact application was prepared for local
review. No post-project activities required.
Essential Fisheries Habitat No N/A
APPENDIX 2. Visual Assessment Data
!A
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!A
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
Henry Fork
Mountain View Road
2
Sheet 1
Sheet 2
UT2
UT1 Reach 2
UT1 Reach 1Lower
UT1A
UT1B
UT1 Reach 1Upper
XS 2
XS
8
XS 1XS 10XS 4XS 11XS
6
XS 9XS3 XS 7
XS 5
XS 13XS 1
4
XS 12
1
SG 4
SG 2
SG 3
SG 1
GWG 3
GWG 9
GWG 8 GWG 7
GWG 6
GWG 1
GWG 2
GWG 5
GWG 4
GWG 15
GWG 14
GWG 13
GWG 12
GWG 10
GWG 11
1
7
8
9
5
6
2
3
4
14
11
12
10
13
15
Reference Gage
Catawba County, NC
¹0 250 500 Feet
2018 Aerial Photography
Conservation Easement
Wetland Rehabilitation
Wetland Re-establishment
Wetland Enhancement
Henry Fork River
Planted Buffer
Stream Restoration
Stream Enhancement I
Cross-Section (XS)
Bankfull Line
!P Reach Break
GF Photo Point
!A Stream Gage (SG)
!A Reference Gage
!A Barotroll Gage
Groundwater Gage (GWG) - MY4
!A Criteria Met
!A Criteria Not Met
Vegetation Plot - MY3
Criteria Met
Areas of Concern - MY4
Asian spiderwort & Creeping Primrose
Asian spiderwort
Cattail
Japanese honeysuckle & Chinese privet
Japanese honeysuckle & Multiflora Rose
Japanese honeysuckle
Low Stem Density
Low Stem Vigor/Height
Poor herbaceous cover
Bank Scour
Beaver Dam (removed)
Figure 3.0 Integrated Current Condition Plan View (KEY)
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
!A
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!A
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!A
!A !A
!A
!A
!A
!A
!A
!A
GF
GFGF
GF
GF
GF
GF
GF
GF
GF
GFGF
GF
GF
GF
GF
GF
GF
GF
GF
GF
Henry Fork
Vegetation i
n
channel th
r
o
u
g
h
wetland are
a
Walking path maintained
by adjacent landowner
UT2
UT1 Reach 2
UT1 Reach 1
Lower
UT1A
XS 8
XS 4
XS 11XS 6
XS3
XS 7
XS 5
XS 13XS 14
XS 12
SG 4
SG 2
SG 3
GWG 3
GWG 9
GWG 8
GWG 7
GWG 6
GWG 1
GWG 2
GWG 5
GWG 4GWG 15
GWG 14
GWG 13
GWG 12
GWG 10 GWG 116
7
8
9
5
14
11
12
10
13
15
4
12
20
14
21
16
15
17
18
24 27
19
11
13
25
10
28
23 22
26
Reference Gage
Catawba County, NC¹0 150 300 Feet
2018 Aerial Photography
Conservation Easement
Wetland Rehabilitation
Wetland Re-establishment
Wetland Enhancement
Henry Fork River
Planted Buffer
Stream Restoration
Stream Enhancement I
Cross-Section (XS)
Bankfull Line
!P Reach Break
GF Photo Point
!A Stream Gage (SG)
!A Reference Gage
!A Barotroll Gage
Groundwater Gage (GWG) - MY4
!A Criteria Met
!A Criteria Not Met
Vegetation Plot - MY3
Criteria Met
Areas of Concern - MY4
Asian spiderwort & Creeping Primrose
Asian spiderwort
Japanese honeysuckle & Chinese privet
Japanese honeysuckle
Low Stem Vigor/Height
Poor herbaceous cover
Bank Scour
Beaver Dam (removed)
Figure 3.1 Integrated Current Condition Plan View (Sheet 1)
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
!A
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!A
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!A
!A
!A
!A !A
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
GF
Mountain View Road
2
Vegetation in channel
Ponding/low flowin UT2 Very soft/sinkingsediment in riffle
Walking path maintained
by adjacent landowner
Stream repair complete summer 2019
UT1 Reach 2
UT1 Reach 1Lower
UT1A
UT1B
UT1 Reach 1Upper
XS 2
XS
8
XS 1XS 10XS 4
XS 9XS3 XS 7
XS 5
XS 1
4
1
SG 2
SG 3
SG 1
GWG 3
GWG 6
GWG 1
GWG 2
GWG 5
GWG 12
GWG 10
GWG 11
1
6
7
2
3
4
5
9
10
11
2 1
8
6
7
9
5
4
3
12
20
14
21
15
27
19
11
13
10
28
26
29
Catawba County, NC
¹0 125 250 Feet
Conservation Easement
Wetland Rehabilitation
Wetland Re-establishment
Wetland Enhancement
Henry Fork River
Planted Buffer
Stream Restoration
Stream Enhancement I
Cross-Section (XS)
Bankfull Line
!P Reach Break
GF Photo Point
!A Stream Gage (SG)
!A Reference Gage
!A Barotroll Gage
Groundwater Gage (GWG) - MY4
!A Criteria Met
!A Criteria Not Met
Vegetation Plot - MY3
Criteria Met
Areas of Concern - MY4
Asian spiderwort & Creeping Primrose
Asian spiderwort
Cattail
Japanese honeysuckle & Chinese privet
Japanese honeysuckle & Multiflora Rose
Japanese honeysuckle
Low Stem Density
Low Stem Vigor/Height
Poor herbaceous cover
Bank Scour
Beaver Dam (removed)
Figure 3.2 Integrated Current Condition Plan View (Sheet 2)
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
Table 5a. Visual Stream Morphology Stability Assessment Table
Henry Fork Mitigation Site
UT1 Reach 1 (1,497 LF)
Major Channel
Category Channel Sub-Category Metric
Number
Stable,
Performing as
Intended
Total Number
in As-Built
Number of
Unstable
Segments
Amount of
Unstable
Footage
% Stable,
Performing as
Intended
Number with
Stabilizing
Woody
Vegetation
Footage with
Stabilizing
Woody
Vegetation
Adjust % for
Stabilizing
Woody
Vegetation
Aggradation 0 0 100%
Degradation 0 0 100%
2. Riffle Condition Texture/Substrate 39 39 100%
Depth Sufficient 33 33 100%
Length Appropriate 33 33 100%
Thalweg centering at upstream of
meander bend (Run)33 33 100%
Thalweg centering at downstream of
meander bend (Glide)33 33 100%
1. Scoured/Eroded
Bank lacking vegetative cover resulting
simply from poor growth and/or scour
and erosion.
0 0 100%n/a n/a n/a
2. Undercut
Banks undercut/overhanging to the
extent that mass wasting appears likely.
Does NOT include undercuts that are
modest, appear sustainable and are
providing habitat.
0 0 100%n/a n/a n/a
3. Mass Wasting Bank slumping, calving, or collapse 0 0 100%n/a n/a n/a
0 0 100%n/a n/a n/a
1. Overall Integrity Structures physically intact with no
dislodged boulders or logs.81 81 100%
2. Grade Control Grade control structures exhibiting
maintenance of grade across the sill.70 70 100%
2a. Piping Structures lacking any substantial flow
underneath sills or arms.81 81 100%
3. Bank Protection Bank erosion within the structures extent
of influence does not exceed 15%. 81 81 100%
4. Habitat
Pool forming structures maintaining
~Max Pool Depth : Bankfull Depth ≥ 1.6
Rootwads/logs providing some cover at
baseflow.
46 46 100%
1Excludes constructed shallows since they are evaluated in section 1.
2. Bank
Totals
3. Engineered
Structures1
DMS Project No. 96306
Monitoring Year 4 - 2019
1. Bed
1. Vertical Stability
(Riffle and Run units)
3. Meander Pool Condition
4. Thalweg Position
Table 5b. Visual Stream Morphology Stability Assessment Table
UT1 Reach 2 1,232 LF
Major Channel
Category Channel Sub-Category Metric
Number
Stable,
Performing as
Intended
Total Number
in As-Built
Number of
Unstable
Segments
Amount of
Unstable
Footage
% Stable,
Performing as
Intended
Number with
Stabilizing
Woody
Vegetation
Footage with
Stabilizing
Woody
Vegetation
Adjust % for
Stabilizing
Woody
Vegetation
Aggradation 0 0 100%
Degradation 0 0 100%
2. Riffle Condition Texture/Substrate 13 14 93%
Depth Sufficient 14 15 93%
Length Appropriate 14 15 93%
Thalweg centering at upstream of
meander bend (Run)14 15 93%
Thalweg centering at downstream of
meander bend (Glide)14 15 93%
1. Scoured/Eroded
Bank lacking vegetative cover resulting
simply from poor growth and/or scour
and erosion.
2 40 98%n/a n/a n/a
2. Undercut
Banks undercut/overhanging to the
extent that mass wasting appears likely.
Does NOT include undercuts that are
modest, appear sustainable and are
providing habitat.
0 0 100%n/a n/a n/a
3. Mass Wasting Bank slumping, calving, or collapse 0 0 100%n/a n/a n/a
2 40 98%n/a n/a n/a
1. Overall Integrity Structures physically intact with no
dislodged boulders or logs.11 12 92%
2. Grade Control Grade control structures exhibiting
maintenance of grade across the sill.8 9 89%
2a. Piping Structures lacking any substantial flow
underneath sills or arms.8 9 89%
3. Bank Protection Bank erosion within the structures extent
of influence does not exceed 15%. 11 12 92%
4. Habitat
Pool forming structures maintaining
~Max Pool Depth : Bankfull Depth ≥ 1.6
Rootwads/logs providing some cover at
baseflow.
6 6 100%
1Excludes constructed shallows since they are evaluated in section 1.
2. Bank
Totals
3. Engineered
Structures1
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
1. Bed
1. Vertical Stability
(Riffle and Run units)
3. Meander Pool Condition
4. Thalweg Position
Table 5c. Visual Stream Morphology Stability Assessment Table
UT1A (658 LF)
Major Channel
Category Channel Sub-Category Metric
Number
Stable,
Performing as
Intended
Total Number
in As-Built
Number of
Unstable
Segments
Amount of
Unstable
Footage
% Stable,
Performing as
Intended
Number with
Stabilizing
Woody
Vegetation
Footage with
Stabilizing
Woody
Vegetation
Adjust % for
Stabilizing
Woody
Vegetation
Aggradation 0 0 100%
Degradation 0 0 100%
2. Riffle Condition Texture/Substrate 14 14 100%
Depth Sufficient 13 13 100%
Length Appropriate 13 13 100%
Thalweg centering at upstream of
meander bend (Run)13 13 100%
Thalweg centering at downstream of
meander bend (Glide)13 13 100%
1. Scoured/Eroded
Bank lacking vegetative cover resulting
simply from poor growth and/or scour
and erosion.
0 0 100%n/a n/a n/a
2. Undercut
Banks undercut/overhanging to the
extent that mass wasting appears likely.
Does NOT include undercuts that are
modest, appear sustainable and are
providing habitat.
0 0 100%n/a n/a n/a
3. Mass Wasting Bank slumping, calving, or collapse 0 0 100%n/a n/a n/a
0 0 100%n/a n/a n/a
1. Overall Integrity Structures physically intact with no
dislodged boulders or logs.6 6 100%
2. Grade Control Grade control structures exhibiting
maintenance of grade across the sill.3 3 100%
2a. Piping Structures lacking any substantial flow
underneath sills or arms.3 3 100%
3. Bank Protection Bank erosion within the structures extent
of influence does not exceed 15%. 6 6 100%
4. Habitat
Pool forming structures maintaining
~Max Pool Depth : Bankfull Depth ≥ 1.6
Rootwads/logs providing some cover at
baseflow.
6 6 100%
1Excludes constructed shallows since they are evaluated in section 1.
2. Bank
Totals
3. Engineered
Structures1
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
1. Bed
1. Vertical Stability
(Riffle and Run units)
3. Meander Pool Condition
4. Thalweg Position
Table 5d. Visual Stream Morphology Stability Assessment Table
UT1B (358 LF)
Major Channel
Category Channel Sub-Category Metric
Number
Stable,
Performing as
Intended
Total Number
in As-Built
Number of
Unstable
Segments
Amount of
Unstable
Footage
% Stable,
Performing as
Intended
Number with
Stabilizing
Woody
Vegetation
Footage with
Stabilizing
Woody
Vegetation
Adjust % for
Stabilizing
Woody
Vegetation
Aggradation 0 0 100%
Degradation 0 0 100%
2. Riffle Condition Texture/Substrate 11 11 100%
Depth Sufficient 8 8 100%
Length Appropriate 8 8 100%
Thalweg centering at upstream of
meander bend (Run)8 8 100%
Thalweg centering at downstream of
meander bend (Glide)8 8 100%
1. Scoured/Eroded
Bank lacking vegetative cover resulting
simply from poor growth and/or scour
and erosion.
0 0 100%n/a n/a n/a
2. Undercut
Banks undercut/overhanging to the
extent that mass wasting appears likely.
Does NOT include undercuts that are
modest, appear sustainable and are
providing habitat.
0 0 100%n/a n/a n/a
3. Mass Wasting Bank slumping, calving, or collapse 0 0 100%n/a n/a n/a
0 0 100%n/a n/a n/a
1. Overall Integrity Structures physically intact with no
dislodged boulders or logs.27 27 100%
2. Grade Control Grade control structures exhibiting
maintenance of grade across the sill.24 24 100%
2a. Piping Structures lacking any substantial flow
underneath sills or arms.27 27 100%
3. Bank Protection Bank erosion within the structures extent
of influence does not exceed 15%. 27 27 100%
4. Habitat
Pool forming structures maintaining
~Max Pool Depth : Bankfull Depth ≥ 1.6
Rootwads/logs providing some cover at
baseflow.
12 12 100%
1Excludes constructed shallows since they are evaluated in section 1.
2. Bank
Totals
3. Engineered
Structures1
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
1. Bed
1. Vertical Stability
(Riffle and Run units)
3. Meander Pool Condition
4. Thalweg Position
Table 5e. Visual Stream Morphology Stability Assessment Table
UT2 (1,969 LF)
Major Channel
Category Channel Sub-Category Metric
Number
Stable,
Performing as
Intended
Total Number
in As-Built
Number of
Unstable
Segments
Amount of
Unstable
Footage
% Stable,
Performing as
Intended
Number with
Stabilizing
Woody
Vegetation
Footage with
Stabilizing
Woody
Vegetation
Adjust % for
Stabilizing
Woody
Vegetation
Aggradation 0 0 100%
Degradation 0 0 100%
2. Riffle Condition Texture/Substrate 35 35 100%
Depth Sufficient 32 32 100%
Length Appropriate 32 32 100%
Thalweg centering at upstream of
meander bend (Run)32 32 100%
Thalweg centering at downstream of
meander bend (Glide)32 32 100%
1. Scoured/Eroded
Bank lacking vegetative cover resulting
simply from poor growth and/or scour
and erosion.
0 0 100%n/a n/a n/a
2. Undercut
Banks undercut/overhanging to the
extent that mass wasting appears likely.
Does NOT include undercuts that are
modest, appear sustainable and are
providing habitat.
0 0 100%n/a n/a n/a
3. Mass Wasting Bank slumping, calving, or collapse 0 0 100%n/a n/a n/a
0 0 100%n/a n/a n/a
1. Overall Integrity Structures physically intact with no
dislodged boulders or logs.3 3 100%
2. Grade Control Grade control structures exhibiting
maintenance of grade across the sill.N/A N/A N/A
2a. Piping Structures lacking any substantial flow
underneath sills or arms.N/A N/A N/A
3. Bank Protection Bank erosion within the structures extent
of influence does not exceed 15%. 3 3 100%
4. Habitat
Pool forming structures maintaining
~Max Pool Depth : Bankfull Depth ≥ 1.6
Rootwads/logs providing some cover at
baseflow.
3 3 100%
1Excludes constructed riffles since they are evaluated in section 1.
2. Bank
Totals
3. Engineered
Structures1
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
1. Bed
1. Vertical Stability
(Riffle and Run units)
3. Meander Pool Condition
4. Thalweg Position
Table 6. Vegetation Condition Assessment Table
Monitoring Year 4 - 2019
Planted Acreage 15
Vegetation Category Definitions
Mapping
Threshold
(Ac)
Number of
Polygons
Combined
Acreage
% of Planted
Acreage
Bare Areas Very limited cover of both woody and herbaceous material 0.1 3 0.05 0.3%
Low Stem Density Areas Woody stem densities clearly below target levels based on MY3, 4, or 5 stem count
criteria.0.1 1 0.03 0.2%
4 0.1 0.5%
Areas of Poor Growth Rates or Vigor Areas with woody stems of a size class that are obviously small given the monitoring
year.0.25 4 1.6 10.8%
8 1.6 11.3%
Easement Acreage 48
Vegetation Category Definitions
Mapping
Threshold
(SF)
Number of
Polygons
Combined
Acreage
% of
Easement
Acreage
Invasive Areas of Concern Areas of points (if too small to render as polygons at map scale).1,000 45 3.1 6.5%
Easement Encroachment Areas Areas of points (if too small to render as polygons at map scale).none 0 0 0.0%
Henry Fork Mitigation Site
DMS Project No. 96306
Total
Cumulative Total
Stream Photographs
Photo Point 1 – view upstream UT1B (10/16/2019) Photo Point 1 – view downstream UT1B (10/16/2019)
Photo Point 2 – view upstream UT1B (10/16/2019) Photo Point 2 – view downstream UT1B (10/16/2019)
Photo Point 3 – view upstream UT1 R1 Upper (10/16/2019) Photo Point 3 – view downstream UT1 R1 Upper (10/16/2019)
Photo Point 4 – view upstream UT1 R1 Upper (10/16/2019) Photo Point 4 – view downstream UT1 R1 Upper (10/16/2019)
Photo Point 5 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 5 – view downstream UT1 R1 Lower (10/16/2019)
Photo Point 5 – view upstream of UT1B (10/16/2019)
Photo Point 6 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 6 – view downstream UT1 R1 Lower (10/16/2019)
Photo Point 7 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 7 – view downstream UT1 R1 Lower (10/16/2019)
Photo Point 8 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 8 – view downstream UT1 R1 Lower (10/16/2019)
Photo Point 9 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 9 – view downstream UT1 R1 Lower (10/16/2019)
Photo Point 10 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 10 –view downstream UT1 R1 Lower (10/16/2019)
Photo Point 11 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 11 –view downstream UT1 R1 Lower (10/16/2019)
Photo Point 12 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 12 –view downstream UT1 R1 Lower (10/16/2019)
Photo Point 13 – view upstream UT1 R1 Lower (10/16/2019) Photo Point 13 –view downstream UT1 R1 Lower (10/16/2019)
Photo Point 14 – view upstream UT1 R2 (9/5/2019) Photo Point 14 – view downstream UT1 R2 (9/5/2019)
Photo Point 15 – view upstream UT1 R2 (9/5/2019) Photo Point 15 – view downstream UT1 R2 (9/5/2019)
Photo Point 16 – view upstream UT1 R2 (9/5/2019) Photo Point 16 – view downstream UT1 R2 (9/5/2019)
Photo Point 17 – view upstream UT1 R2 (9/5/2019) Photo Point 17 – view downstream UT1 R2 (9/5/2019)
Photo Point 18 – view upstream UT1A (9/5/2019) Photo Point 18 – view downstream UT1A (9/5/2019)
Photo Point 19 – view upstream UT1A (9/5/2019) Photo Point 19 – view downstream UT1A (9/5/2019)
Photo Point 20 – view upstream UT2 (9/5/2019) Photo Point 20 – view downstream UT2 (9/5/2019)
Photo Point 21 – view upstream UT2 (9/5/2019) Photo Point 21 – view downstream UT2 (9/5/2019)
Photo Point 22 – view upstream UT2 (9/5/2019) Photo Point 22 – view downstream UT2 (9/5/2019)
Photo Point 23 – view upstream UT2 (9/5/2019) Photo Point 23 – view downstream UT2 (9/5/2019)
Photo Point 24 – view upstream UT2 (9/5/2019) Photo Point 24 – view downstream UT2 (9/5/2019)
Photo Point 25 – view upstream UT2 (9/5/2019) Photo Point 25 – view downstream UT2 (9/5/2019)
Photo Point 26 – view upstream UT1 R2 (9/6/2019) Photo Point 26 – view downstream UT1 R2 (9/6/2019)
Photo Point 26 – UT1 R2 floodplain overview (9/5/2019)
Photo Point 27 – view upstream UT1 R2 floodplain (9/5/2019) Photo Point 27 – view downstream UT1 R2 floodplain (9/5/2019)
Photo Point 28 – UT1 R1 Lower floodplain overview (10/16/2019) Photo Point 28 – UT2 floodplain overview (10/16/2019)
Photo Point 29 – UT1 R1 Upper floodplain overview (10/16/2019)
APPENDIX 3. Vegetation Plot Data
Vegetation assessment and analysis not required in Monitoring Year 4
APPENDIX 4. Morphological Summary Data and Plots
Cross-sectional morphological surveys and analysis not required in Monitoring Year 4
Reachwide and Cross-Section Pebble Count Plots
Monitoring Year 4 - 2019
UT1R1, Reachwide
min max Riffle Pool Total
Class
Percentage
Percent
Cumulative
SILT/CLAY Silt/Clay 0.000 0.062 6 6 6 6
Henry Fork Stream Mitigation
DMS Project No. 96306
Particle Class
Diameter (mm)Particle Count Reach Summary
Very fine 0.062 0.125 2 2 2 8
Fine 0.125 0.250 2 5 7 7 15
Medium 0.25 0.50 5 5 5 20
Coarse 0.5 1.0 1 4 5 5 25
Very Coarse 1.0 2.0 25SAND
Very Fine 2.0 2.8 25
Very Fine 2.8 4.0 25
Fine 4.0 5.6 2 2 4 4 29
Fine 5.6 8.0 3 3 3 32
Medium 8.0 11.0 1 1 2 2 34
Medium 11.0 16.0 6 5 11 11 45
Coarse 16.0 22.6 3 8 11 11 56
Coarse 22.6 32 8 7 15 15 71
Very Coarse 32 45 8 8 8 79
Very Coarse 45 64 8 8 8 87GRAVEL
Small 64 90 2 1 3 3 90
Small 90 128 6 1 7 7 97
Large 128 180 1 1 1 98
Large 180 256 2 2 2 100COBBLE
Small 256 362 100
Small 362 512 100
Medium 512 1024 100
Large/Very Large 1024 2048 100
BEDROCK Bedrock 2048 >2048 100
50 50 100 100 100
D16 =
D35 =
D50 =
D84 =
D95 =
D100 =
0.3BOULDERTotal
Reachwide
Channel materials (mm)
11.4
18.7
56.1
115.7
256.0
0
10
20
30
40
50
60
70
80
90
100
Individual Class PercentParticle Class Size (mm)
Individual Class Percent
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1000 10000Percent Cumulative (%)Particle Class Size (mm)
Pebble Count Particle Distribution
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
Silt/Clay Sand Gravel Cobble Boulder Bedrock
UT1R1, Reachwide
UT1R1, Reachwide
Reachwide and Cross-Section Pebble Count Plots
Monitoring Year 4 - 2019
UT1R1, Cross-Section 1
min max
Class
Percentage
Percent
Cumulative
SILT/CLAY Silt/Clay 0.000 0.062 4 4 4
Henry Fork Stream Mitigation
DMS Project No. 96306
Particle Class
Diameter (mm)Riffle 100-
Count
Summary
Very fine 0.062 0.125 4
Fine 0.125 0.250 2 2 6
Medium 0.25 0.50 6
Coarse 0.5 1.0 2 2 8
Very Coarse 1.0 2.0 8SAND
Very Fine 2.0 2.8 8
Very Fine 2.8 4.0 8
Fine 4.0 5.6 8
Fine 5.6 8.0 8
Medium 8.0 11.0 6 6 13
Medium 11.0 16.0 13
Coarse 16.0 22.6 6 6 19
Coarse 22.6 32 6 6 25
Very Coarse 32 45 8 8 33
Very Coarse 45 64 16 15 48GRAVEL
Small 64 90 20 19 67
Small 90 128 8 8 75
Large 128 180 12 12 87
Large 180 256 14 13 100COBBLE
Small 256 362 100
Small 362 512 100
Medium 512 1024 100
Large/Very Large 1024 2048 100
BEDROCK Bedrock 2048 >2048 100
104 100 100
D16 =
D35 =
D50 =
D84 =
D95 =
D100 =
18.6BOULDERTotal
Cross-Section 1
Channel materials (mm)
47.4
66.2
167.0
224.6
256.0
0
10
20
30
40
50
60
70
80
90
100
Individual Class PercentParticle Class Size (mm)
Individual Class Percent
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1000 10000Percent Cumulative (%)Particle Class Size (mm)
Pebble Count Particle Distribution
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
Silt/Clay Sand Gravel Cobble Boulder Bedrock
UT1R1, Cross-Section 1
UT1R1, Cross-Section 1
Reachwide and Cross-Section Pebble Count Plots
Monitoring Year 4 - 2019
UT1R1, Cross-Section 4
min max
Class
Percentage
Percent
Cumulative
SILT/CLAY Silt/Clay 0.000 0.062 2 4 4
Henry Fork Stream Mitigation
DMS Project No. 96306
Particle Class
Diameter (mm)Riffle 100-
Count
Summary
Very fine 0.062 0.125 4
Fine 0.125 0.250 4
Medium 0.25 0.50 1 2 6
Coarse 0.5 1.0 6
Very Coarse 1.0 2.0 3 6 12SAND
Very Fine 2.0 2.8 12
Very Fine 2.8 4.0 12
Fine 4.0 5.6 12
Fine 5.6 8.0 12
Medium 8.0 11.0 1 2 14
Medium 11.0 16.0 2 4 18
Coarse 16.0 22.6 18
Coarse 22.6 32 3 6 24
Very Coarse 32 45 2 4 27
Very Coarse 45 64 3 6 33GRAVEL
Small 64 90 9 18 51
Small 90 128 6 12 63
Large 128 180 5 10 73
Large 180 256 12 24 96COBBLE
Small 256 362 2 4 100
Small 362 512 100
Medium 512 1024 100
Large/Very Large 1024 2048 100
BEDROCK Bedrock 2048 >2048 100
51 100 100
D16 =
D35 =
D50 =
D84 =
D95 =
D100 =
13.7BOULDERTotal
Cross-Section 4
Channel materials (mm)
66.1
88.3
213.7
251.9
362.0
0
10
20
30
40
50
60
70
80
90
100
Individual Class PercentParticle Class Size (mm)
Individual Class Percent
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1000 10000Percent Cumulative (%)Particle Class Size (mm)
Pebble Count Particle Distribution
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
Silt/Clay Sand Gravel Cobble Boulder Bedrock
UT1R1, Cross-Section 4
UT1R1, Cross-Section 4
Reachwide and Cross-Section Pebble Count Plots
Monitoring Year 4 - 2019
UT1B, Reachwide
min max Riffle Pool Total
Class
Percentage
Percent
Cumulative
SILT/CLAY Silt/Clay 0.000 0.062 2 7 9 9 9
Henry Fork Stream Mitigation
DMS Project No. 96306
Particle Class
Diameter (mm)Particle Count Reach Summary
Very fine 0.062 0.125 9
Fine 0.125 0.250 4 3 7 7 16
Medium 0.25 0.50 1 10 11 11 27
Coarse 0.5 1.0 3 9 12 12 39
Very Coarse 1.0 2.0 39SAND
Very Fine 2.0 2.8 39
Very Fine 2.8 4.0 39
Fine 4.0 5.6 39
Fine 5.6 8.0 39
Medium 8.0 11.0 2 2 2 41
Medium 11.0 16.0 3 1 4 4 45
Coarse 16.0 22.6 4 2 6 6 50
Coarse 22.6 32 3 3 6 6 56
Very Coarse 32 45 8 1 9 9 65
Very Coarse 45 64 4 5 9 9 74GRAVEL
Small 64 90 5 5 10 10 84
Small 90 128 7 2 9 9 93
Large 128 180 2 2 4 4 97
Large 180 256 2 2 2 99COBBLE
Small 256 362 1 1 1 100
Small 362 512 100
Medium 512 1024 100
Large/Very Large 1024 2048 100
BEDROCK Bedrock 2048 >2048 100
50 51 101 100 100
D16 =
D35 =
D50 =
D84 =
D95 =
D100 =
0.3BOULDERTotal
Reachwide
Channel materials (mm)
0.8
22.0
89.5
151.1
362.0
0
10
20
30
40
50
60
70
80
90
100
Individual Class PercentParticle Class Size (mm)
Individual Class Percent
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1000 10000Percent Cumulative (%)Particle Class Size (mm)
Pebble Count Particle Distribution
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
Silt/Clay Sand Gravel Cobble Boulder Bedrock
UT1B, Reachwide
UT1B, Reachwide
Reachwide and Cross-Section Pebble Count Plots
Monitoring Year 4 - 2019
UT1B, Cross-Section 10
min max
Class
Percentage
Percent
Cumulative
SILT/CLAY Silt/Clay 0.000 0.062 2 4 4
Henry Fork Stream Mitigation
DMS Project No. 96306
Particle Class
Diameter (mm)Riffle 100-
Count
Summary
Very fine 0.062 0.125 4
Fine 0.125 0.250 4
Medium 0.25 0.50 3 6 10
Coarse 0.5 1.0 1 2 12
Very Coarse 1.0 2.0 1 2 14SAND
Very Fine 2.0 2.8 1 2 16
Very Fine 2.8 4.0 1 2 18
Fine 4.0 5.6 18
Fine 5.6 8.0 1 2 20
Medium 8.0 11.0 20
Medium 11.0 16.0 7 14 33
Coarse 16.0 22.6 8 16 49
Coarse 22.6 32 6 12 61
Very Coarse 32 45 5 10 71
Very Coarse 45 64 7 14 84GRAVEL
Small 64 90 3 6 90
Small 90 128 90
Large 128 180 2 4 94
Large 180 256 2 4 98COBBLE
Small 256 362 1 2 100
Small 362 512 100
Medium 512 1024 100
Large/Very Large 1024 2048 100
BEDROCK Bedrock 2048 >2048 100
51 100 100
D16 =
D35 =
D50 =
D84 =
D95 =
D100 =
3.0BOULDERTotal
Cross-Section
Channel materials (mm)
16.6
23.3
63.5
194.8
362.0
0
10
20
30
40
50
60
70
80
90
100
Individual Class PercentParticle Class Size (mm)
Individual Class Percent
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
0
10
20
30
40
50
60
70
80
90
100
0.01 0.1 1 10 100 1000 10000Percent Cumulative (%)Particle Class Size (mm)
Pebble Count Particle Distribution
MY0-05/2016 MY1-10/2016 MY2-04/2017 MY3-04/2018 MY4-03/2019
Silt/Clay Sand Gravel Cobble Boulder Bedrock
UT1B, Cross-Section 10
UT1B, Cross-Section 10
APPENDIX 5. Hydrology Summary Data and Plots
MY Method
MY1 Crest Gage
Crest & Stream
Gage
Crest & Stream
Gage
MY1 Crest Gage
Crest & Stream
Gage
Crest & Stream
Gage
MY3 Stream Gage
Stream Gage
Stream Gage
MY1 Crest Gage
MY2 Crest & Stream
Gage
MY1 Crest Gage
MY2 Crest & Stream
Gage
* N/A, no bankfull events recorded.
** U, Unknown
Stream Gage
Stream Gage5/29/2018
6/9/2019
N/A
6/9/2019
UT2
N/A
4/24/2017
2/7/2018
10/8/2017
MY3
10/31/2019
8/24/2019
10/31/2019
UT1B
MY4
MY4
UT1A
10/31/2019MY4
U
MY2
4/24/2017
10/8/2017
6/9/2019
10/11/2018
6/9/2019
4/25/2018
5/29/2018
9/16/2018
10/11/2018
10/26/2018
UT1 Reach 2
MY4
Table 13. Verification of Bankfull Events
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
Reach Date of Occurrence
Stream Gage
10/31/2019
N/A
MY2
4/24/2017
10/8/2017
2/7/2018
MY3
Year 1 (2016)Year 2 (2017)Year 3 (2018)Year 4 (2019)Year 5 (2020)Year 6 (2021)Year 7 (2022)
Reference No/18 Days
(8%)
Yes/59 Days
(25%)
Yes/79 Days
(34%)
Yes/61 Days
(26%)
GWG 1 No/0 Days
(0%)
Yes/23 Days
(10%)
Yes/48 Days
(20%)
Yes/42 Days
(18%)
GWG 2 Yes/ 29 Days
(12.3%)
No/7 Days
(3%)
No/12 Days
(5%)
Yes/39 Days
(17%)
GWG 3 4 Yes/236 Days
(100%)
No/3 Days
(1%)
No/5 Days
(2%)
Yes/35 Days
(15%)
GWG 4 No/3 Days
(1.3%)
Yes/25 Days
(11%)
Yes/46 Days
(20%)
Yes/68 Days
(29%)
GWG 5 3 N/A Yes/189 Days
(80%)
Yes/102 Days
(43%)
Yes/236 Days
(100%)
GWG 6 Yes/79 Days
(33.5%)
Yes/89 Days
(38%)
Yes/96 Days
(41%)
Yes/76 Days
(32%)
GWG 7 No/7 Days
(3.0%)
Yes/21 Days
(9%)
Yes/44 Days
(19%)
Yes/44 Days
(19%)
GWG 8 No/1 Days
(0.4%)
No/14 Days
(6%)
No/11 Days
(5%)
No/19 Days
(8%)
GWG 9 3 N/A No/13 Days
(6%)
Yes/20 Days
(9%)
Yes/68 Days
(29%)
GWG 10 5 N/A N/A N/A Yes/236 Days
(100%)
GWG 11 5 N/A N/A N/A Yes/61 Days
(26%)
GWG 12 5 N/A N/A N/A Yes/36 Days
(15%)
GWG 13 5 N/A N/A N/A Yes/236 Days
(100%)
GWG 14 6 N/A N/A N/A Yes/67 Days
(28%)
GWG 15 6 N/A N/A N/A Yes/45 Days
(19%)
N/A, not applicable
1Growing season dates March 20 - November 11
2Success criteria is 20 consecutive days
3GWGs 5 and 9 were installed on April 7, 2017.
4GWG 3 was relocated in January 2017.
5GWGs 10 -13 were installed on February 20, 2019.
6GWGs 14-15 were installed on March 7, 2019.
Gage
Success Criteria Achieved2/Max Consecutive Days During Growing Season1 (Percentage)
Table 14. Wetland Gage Attainment Summary
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
Summary of Groundwater Gage Results for Monitoring Years 1 through 7
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201942 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #1 Criteria Level
Henry Fork Groundwater Gage #1
Gage error beginning on
8/14/2019 has been resolved.
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201939 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #2 Criteria Level
Henry Fork Groundwater Gage #2
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201935 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #3 Criteria Level
Henry Fork Groundwater Gage #3
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201968 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #4 Criteria Level
Henry Fork Groundwater Gage #4
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/2019236 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #5 Criteria Level
Henry Fork Groundwater Gage #5
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201976 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #6 Criteria Level
Henry Fork Groundwater Gage #6
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201944 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #7 Criteria Level
Henry Fork Groundwater Gage #7
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201919 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #8 Criteria Level
Henry Fork Groundwater Gage #8
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201968 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #9 Criteria Level
Henry Fork Groundwater Gage #9
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/2019236 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #10 Criteria Level
Henry Fork Groundwater Gage #10
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201961 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #11 Criteria Level
Henry Fork Groundwater Gage #11
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201936 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #12 Criteria Level
Henry Fork Groundwater Gage #12
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/2019236 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #13 Criteria Level
Henry Fork Groundwater Gage #13
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201967 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #14 Criteria Level
Henry Fork Groundwater Gage #14
Groundwater Gage Plots
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
Start of Growing Season3/20/2019End of Growing Season11/11/201945 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
-60
-50
-40
-30
-20
-10
0
10
20
Rainfall (in)Water Level (in)Monitoring Year 4 -2019
Rainfall Reference Gage Depth Gage #15 Criteria Level
Henry Fork Groundwater Gage #15
Recorded In-stream Flow Events
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
30 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
921.2
921.4
921.6
921.8
922.0
922.2
922.4
922.6
922.8
Rainfall (in)Water Level (ft)Monitoring Year 4 -2019
Rainfall UT1B - #1 Water Depth Thalweg Elevation Bankfull
Henry Fork: In-Stream Flow Gage for UT1B -#1
175 consecutive days of stream flow
Recorded In-stream Flow Events
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
30 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
870
871
872
873
874
875
876
Rainfall (in)Water Level (ft)Monitoring Year 4 -2019
Rainfall UT1 - #2 Water Depth Thalweg Elevation Bankfull
Henry Fork: In-Stream Flow Gage for UT1 -#2
317 consecutive days of stream flow
Recorded In-stream Flow Events
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
30 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
873.0
873.5
874.0
874.5
875.0
875.5
876.0
876.5
877.0
Rainfall (in)Water Level (ft)Monitoring Year 4 -2019
Rainfall UT1A - #3 Water Depth Thalweg Elevation Bankfull
Henry Fork: In-Stream Flow Gage for UT1A -#3
317 consecutive days of stream flow
Recorded In-stream Flow Events
Monitoring Year 4 - 2019
Henry Fork Mitigation Site
DMS Project No. 96306
30 days
JanFebMarAprMayJunJulAugSepOctNovDec0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
873.0
873.5
874.0
874.5
875.0
875.5
876.0
876.5
877.0
877.5
878.0
Rainfall (in)Water Level (ft)Monitoring Year 4 -2019
Rainfall UT2 - #4 Water Depth Thalweg Elevation Bankfull
Henry Fork: In-Stream Flow Gage for UT2 -#4
150 consecutive days of stream flow
Monthly Rainfall Data
Henry Fork Mitigation Site
DMS Project No. 96306
Monitoring Year 4 - 2019
1 2019 rainfall collected by NC CRONOS Station Hickory 4.8 SW, NC
2 30th and 70th percentile rainfall data collected from WETS station Conover Oxford Shoal, NC
0
1
2
3
4
5
6
7
8
9
10
Jan-19 Feb-19 Mar-19 Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19 Nov-19 Dec-19Precipitation (in)Date
Henry Fork 30-70 Percentile Graph for Rainfall in 2019
2019 Rainfall 30th Percentile 70th Percentile