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HomeMy WebLinkAbout20190863 Ver 1_Prospectus Site Review_20190722Site Information Site Information Date Prepared By:* Meeting Type:* USACE AID: 7/22/2019 Erin Davis Prospectus Site Review NCDWR ID: 20190863 NCDWR Version 1 Weather: Coordinates: Attendees WRC USACE DWR DMS WEI Project Review Checklist (provide additional detail in notes section on next page) Project Name:* Oak Hill Dairy Type of Site: * NCDMS Stream and Wetland Site Sponsor/Prov ider:*NCDMS Stream and Wetland Site County:* Gaston HUC and Basin:* Catawba - 03050102 Degrees North Degrees West General Site Issues/Concerns Stream Issues/Concerns Wetland Issues/Concerns 17 Vegetation Composition or Density Ir Planted Stem Vigor (due to soil, browsing) 17 Invasive/Exotic Species Ir Beaver/Feral Hogs (management plan) 17 Soil (manipulation, compaction, fertility) Ir Livestock Present/Evidence of Livestock Access F- Crossings or Utility Lines F- BMPs or Alternate Approaches ,F- Fencing Issues or Fencing Needed Ir Ponds Within Project Area 17 Incised/Entrenched '7 Headcuts Present/Forming 17 Stream Structures Failing/Piping F- Excess Sediment/Aggradation 17 CrosslSections Missing/Indicate Problems Ir Bank Instability/Failure 17 Bench Rills/Erosion (constructed bench or P2 valley) Ir Excess Sinuosity (lack of flow) r Braided/Anabranch Channel IF- Evidence of Excessive Hydrology F- Evidence of Insufficient Hydrology r Hydric Soil Indicators/Soil Series IF- Surface Roughness or Bedding Ir Channel Relocation/Riparian Connectivity 17 Hydroperiod Length or Start/Stop Date 17 Inappropriate Credit Ratio Proposed Ir JD Needed to Confirm Approach 17 Continuity/Fragmentation Ir Easement Issues (existing farm, CE, NRCS funding) 17 Easement Encroachments (livestock, clearing) Ir Easement Marking/Signage 17 Insufficient Project Size Ir Adjacent Property Owner 17 T&E Species Ir Section 106 (historic listing/tribal issues) 17 Insufficient Stream Drainage Area Ir Insufficient Hydrology (if raising channel bed) 17 Vegetation in Channel (stream vs wetland) 17 Flow Obstructions (undersized pipes, fords) 17 Substrate Concerns (embeddedness, particle size) Ir Live Stakes Absent/Failing 17 Evidence of Water Quality Issues Ir Inlstream Habitat Weak/Missing 17 Stream Buffer Width Inadequate Ir Missing Gauge Data (preconstruction or monitoring) 17 Gauge Location/Placement Ir Gauge Maintenance 17 Drainage Ditches/Swales Present Ir Field Tiles/Subsurface Drainage 17 Continued Ag Use Adjacent to Wetland Page 2 -- Notes and Sketches, etc Invasives - Knotweed, kudzu, bamboo, privet, honeysuckle, multiflora, Existing channel highly incised, over wide - lateral instability, lack of buffer, rubble right side "armor", pasture converted to crop in last year, soil samples better down slope from crop edge - nonhydric to some redox, recommend well in stream side zone - levee next to proposed riparian wetland, tile drains question? existing channel large sediment deposits, gets flashy flow, some cobble & rock can be mined for new channel, sewer stream crossing stabilized rock/slabs, oak hill creek - eroding outer bends, over wide, large sediment deposits, E2 proposed - spot bank grading & brush toe, invasive treatment, supplemental planting, Wetland 3 - baseline gauges needed to show hydrology uplift, redox 6-10", UT1 - significant incision, ok bedform pockets, invasives- privet & walnut, Wetland 2 - soil bright, indicators not present in 10", propose excavation 6" or more, question re-establishment vs creation (still restoration but different ratio), channel relocation & hillside seep adjacent, UT1 - section not bad incision, good bedform & width, then gets worse again - ok restoration approach UT1 B - JD linear wetland or intermittent stream UT1A - cattle in channel, devoid of buffer, significant impacts, bamboo, UT1 top - perched culvert, priority 1, kudzu Wrap-up focus on wetland -current non -hydric within 10-12" then creation credit Credit Release/Site Closeout Information (For nDnitoring or closeout review only) .......................................................................................................... Stream Credits Warm Cool Cold Requested Approved* Wetland Credits Riparian Riverine Riparian Non-Riverine Non -Riparian Coastal Requested Approved* *The updated credit ledger for the project, which includes this release, rrust be approved by the Roject K/hnager. Result of Monitoring Report or Closeout Signature * �—— Date 7/22/2019