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HomeMy WebLinkAbout20061291 Ver 1_Mitigation Evaluation_20090806Mitigation Project Evaluations: Information Table NC Division of Water Quality Date of Office Review: Evaluator's Name(s): Date of Report: 1 a vPa) Yyiti(] P n -, Rfeport for Monitoring Year: '1?Oto (VN Date of Field Review: - Lo- bCi Evaluator's Name(s): " 11 L Other Individuals/Agencies Present: C?w> a'S Weather Conditions (today & recent): Directions to Site: Location is 5 miles east of Columbia, NC. Approx. 1 mile after the inter. with Old US 64, turn right onto a maintained dirt road running to the south (Timberlake Road). Gated entr. Is N entr. to Timb. Farms. Proposed 1. Office Review Information: Project Number: 20061291 Project Name: Timberlake Farms County(ies): Tyrrell Basin & subbasin: Pasquotank 03010205 Nearest Stream: Little Alligator River Water Quality Class of Nearest Stream: SC;Sw Mitigator Type: Mitigation Bank DOT Status: non-DOT Total Mitigation on Site Wetland: 970 acres Stream: Buffer: Nutr. Offset: Approved mitigation plan available? es No Monitoring reports available? Yes Q Problem areas identified in reports? Yes No Problem areas addressed on site? Yes No Project History Event Event Date Report Review - Wetlands 6/20/2007 Other 10/21/2008 XnAPlemertkc? 0n Plan, -bf N,r w Jwl 21 , ')_uUt.o 0( _cCPe+e1J 1a{ M PLO_V\. Lom Ql e.?e, -11241 Dlo ( Mitigation required on site: "Add significant project-related events: reports, Associated impacts (if known): received, construction, planting, repairs, etc. During office review, note success criteria and evaluate each component based on monitoring report results. Record relevant data in Sections II and III. - On back of sheet, note other information found during office review and/or to be obtained during site visit. 11. Summary of Results: Mitigation Component Monitoring Success Success Year (report) (field) Resolved 20061291-1 970 acres Wetland Restoration a. c LO + 1 mi l e, ?? ??znn 2S0 mac. uJl? c?? t -OCT KT as ? sAc:v? Version 1.0 (August 22, 2007) Page 1 of 2 Mitigation Project Evaluations: Information Table NC Division of Water Quality MITIGATION SUCCESS: Compared to the approved mitigation plan, this project is: successful partially successful unsuccessful List specific reasons for lack of success for this project: Additional comments (e.g. DWQ follow-up actions, recommendations, etc.): Version 1.0 (August 22, 2007) Page 2 of 2 Wetland Mitigation Project Evaluations: Information Table NC Division of Water Quality Component: 970 acres Wetland Restoration Description: mostly non-riparian, some riparian Location within project: III. Success Criteria Evaluation: evc%_U? rCPDA1b _ Component ID: 20061291-1 HYDROLOGY - Approved Success Criteria: Wetland Hydrology Indicators: Inundated ? Saturated in upper 12 inches Monitoring report indicates success Yes No Drift lines Observational field data agrees? Q No Drainage patterns in wetlands based on mitigation plan? Yes No V Sediment deposits based on wetland type? Yes No ? Water marks List any remaining hydrology issues to address (e.g. remaining ditches, excessive water, etc. : W v ?rsz 1, + ?Ux w Cc) d't- ?a r ?¢sz t?,? ir. S , I SOILS - Approved Success Criteria: A il h i d b i h d i ? Y N re so y r s c or ecom ng y r c es o List indicators of hydric soils: List any remaining soil issues to address (e.g. erosion, upland areas, etc.): VEGETATION - Approved Success Criteria: Dominant Plant Species Species Story TPA/lo cover (? C?D,-\- Monitoring report indicates success? Yes No Average TPA for entire site (per report): Observational field data agrees? Yes No ??. CLAN based on community composition? Yes No `??? D` ? based on TPA and/or % cover? Yes No Vegetation planted on site? Yes No Date of last planting: ? Vegetation growing successfully? e N Specific vegetation plots or site locations with little to no vegetation: Estimated acreage or site percentage of unvegetated areas: Invasive species on site (species, location(s), and % cover): List any remaining vegetation issues to address (e.g. plant survival, concerns, etc.): t-:kp_? > 0 - Version 1.0 (August 22, 2007) Page 1 of 2 Wetland Mitigation Project Evaluations: Information Table NC Division of Water Quality NCWAM - Approved Success Criteria or Evaluative Techniques: NCWAM Type on Site: Coastal Riverine Monitoring report indicates successZ'Yes No Riparian Observational field data agrees? No Non-riparian (wetter) Attach NCWAM analysis results to this Non-riparian (drier) List any remaining NCWAM issues tdaddress (e.g. functionality, developing wetland type, etc.): MITIGATION SUCCESS: Compared to the approved mitigation plan, this component is: successful p rtially succes ful unsuccessful List specific reasons for lack of success for this component: ?n a?e? mac .- ?e r? < u+? P? ) ctic? .' kOU, Additional comments (e.g. DWQ follow-up actions, recommendations, etc.): `?4 Rt7 ?T?V CS h?Xl,{1 'f' Y C.? ?l y C,? C C C M\ 4 C!' During site visit, document representative conditions and areas of concern. Observe preservation and enhancement areas that may not have specific success criteria. Label and attach photos to this report. Attach maps showing photo locations, areas of concern, and important field observations. Additional notes related to evaluation of this component: C? (Ott ?? ??, . c r` K c Q ?? re?tc?r Cx;L? (?cw-` v??4 /ieu? t ?C ?,e? + UY?S1 1? 4E :4.? l t ?tti?IS?D, C? t ??vt 5 ) al? ,1'A- ct r-? v-(? C`RDS? c? l,odkD ?-? f ?-`-1 Cam,' cal- Lut&A. +- CIV, Ac?ti?. - aor +Coinc.{.. ?y a weS,R ? ctr a??lr??- a%o`'` tkAJ (J uX? l c VaC IA A reSwt 4? fir ?/? C o1? ? ` rei ? rc&DcN" cL,--cro ( (v.. 4-ol oykl w I . m arm vy?0-4u_? '-qQLr-A-- 4A'_ 0Jf \_ LA Version 1.0 (August 22, 2007) Page 2 of 2 Stream Mitigation Component Evaluations: Information Table NC Division of Water Quality Component: #Error Description: Location within project: Component ID: III. Success Criteria Evaluation: STREAMBANK STABILITY - Approved Success Criteria: Are streambanks stable? Yes No If no, provide description and notes regarding stability issues: STRUCTURES - Approved Success Criteria: List all types of structures present on site: Are the structures installed correctly? Yes No Are the structures made of acceptable material? Yes No (Unacceptable materials include: railroad ties, concrete with rebar, etc. Are the structures located approximately where shown on the plan? Yes No Are the structures stable (e.g. erosion, deposition, etc.)? Yes No Provide description and notes regarding problematic structures: FEATURES - Approved Success Criteria: Are riffles and pools in approximately the correct locations Yes No Is the final sinuosity and gradient designed approximately to plan specifications? Yes No Any evidence of vegetation growing on the stream bed or in the thalweg Yes No Percentage of the restoration reach that has: Flowing water Ponded areas Describe any stream features that provide evidence of unstable stream reaches (e.g. mid-channel bars, downstream meander migration, chute cutoff formation, etc.): AQUATIC BIOTA - Approved Success Criteria: Is aquatic life present in the channel? Yes No Description of taxa observed, incl. quantities of individuals and general distribution of biota. Include a brief description of the sampling methodology. I List any remaining aquatic biota issues to address (e.g. erosion, discharges or toxicants, etc.): Version 1.0 (August 22, 2007) Page 1 of 2 Stream Mitigation Component Evaluations: Information Table NC Division of Water Quality [VEGETATION - Approved Success Criteria: Dominant Plant Species Species Story TPA/'/ cover Monitoring report indicates success? Yes No Average TPA for entire site (per report): Observational field data agrees? Yes No based on community composition? Yes No based on TPA and/or % cover? Yes No Vegetation planted on site? Yes No Date of last planting: Vegetation growing successfully? Yes No General observations on condition of riparian/buffer areas (e.g. buffer width, overall health of vegetation, etc.): i Specific vegetation plots or site locations with little to no vegetation: Estimated acreage or site percentage of unvegetated areas: Invasive species on site (species, location(s), and % cover): List any remaining vegetation issues to address (e.g. plant survival, concerns, etc.): MITIGATION SUCCESS: Compared to the approved mitigation plan, this component is: successful partially successful unsuccessful List specific reasons for lack of success for this component: Additional comments (e.g. DWQ follow-up actions, recommendations, etc.): - Use the definitions in the joint state/federal stream mitigation guidelines to determine the correct type of mitigation used for this component. During site visit, document representative conditions and areas of concern. Observe preservation and enhancement areas that may not have specific success criteria. 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Lail i?L /? r'y3P ? / fasP H? 79 ZC x? / mat sp L f'1' Tn // / , / to r J yo P? prVA/ 3" r Restored Forest zr 3 / e ? 3P ? i Agricultural Restoration LEGEND "limber lvpe Alap - 1997 C'`•/H«°- Cypress Hardxvo(cl PH - Pine" Hardwood P'L`C - %Uu'te Cedar SCALE P _ 2500' Aglicultural Restoration Plwi Needham EnAronmental, Inc. Timberlake Faniu Envlrauneutal Cmsultauts Figure 9 I'Vilell Comrry, NC Whniabow, N C. Timber T)pe March, 2006 Nfalp Implementation Plan for Agricultural Restoration at Timberlake Farms • Pocosin Lakes National Wildlife Refuge which is the future owner of the tract will also need maintained access into the property Topography Elevations are based on National Geodetic Vertical Datum (NGVD29) and range from minus 1 foot (-P) in the agricultural field to positive seven feet (T) on a spoil pile along Timberlake canal found near Mills Ridge Road. Representative elevation surveys by Geodetic Services, Inc. were conducted on Timberlake Farm using Global Positioning System (GPS) in 1997. Additional kinematic GPS elevation data was collected in September 2004. Elevation data points were collected with the GPS on all terrain vehicles and resulted in a survey with spot elevation being taken between 70 and 80 feet apart with plus/minus one inch accuracy. Four transects were run between each pair of vee ditches. A total of 12,500 elevation points were recorded to produce the pre-construction contour map. A second kinematic GPS survey was conducted in February 2005, post earth moving restoration, and is referred to as the "as-built topo" (Figure 8 - As-built). Plant Community - Adjacent Forest The adjacent mature forest found to the west of Timberlake Canal was type- mapped by Quentin Bell Company as Cypress-Gum with 3,000 board feet per acre (cyph3m). This map unit grades into hardwood forest of 3,000 board feet per acre (h3m) near the pump station and includes most of forested block E15. Vegetation sampling of the forested area was conducted during the previous five years. Cypress stumps were observed in this forest which was mapped as h3m. Timber Type Map Timberlake Farms The Timber Type Map, December 1997, by Mr. Bell is evidence supporting historic riverine status (Figure 9 - Forest Type). The swamp floodplain forest types have been shaded to graphically depict the historic course of Little Alligator River. The H2M (hardwood, 2000 board feet per acre) forest type east of the pump station is the location of a reference monitoring location (E16BaH3M). Numerous bald cypress (Taxodium distichum) stumps exist, but swamp black gum (Nyssa sylvatica var. biflora) have dominated post logging. During forest monitoring at this site all cypress identified has been T. distichum not T. ascendens (Radford, et. al., 1973). Approximately 1'/2 miles of CYPH3M (cypress/hardwood 3 thousand board feet to the acre) was mapped alongside the present Timberlake Canal. Between Redwing and Flicker Roads on the east side of the canal (the agricultural side) remains a 88.24 acre shrub scrub block that was drained, but not root raked for agricultural production. Cypress stumps exist in this area indicating the forest type extended • across the road into the agricultural area. Page 18