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HomeMy WebLinkAbout20111022 Ver 1_DWR Site Visit Notes 3_12_19_20190313Strickland, Bev From: Price, Zan (George) Sent: Wednesday, March 13, 2019 3:17 PM To: Kichefski, Steven L SAW Cc: Tugwell, Todd J CIV USARMY CESAW (US); Haupt, Mac Subject: DWR Site Visit Notes 3/12/19 - Anderson Farm Mitigation Bank - Buncombe County Steve, See notes below regarding the Anderson Farm Mitigation Bank site visit on March 12, 2019 In Attendance: Mac Haupt, Zan Price — DWR Steve Kichefski, Todd TugwelI — Corps Brent Manning — Headwaters Restoration The group walked the site starting at the upstream section of UT -1. Representative sections of UT -1 were observed down to the confluence of UT -2. The group walked up UT -2 to the large maple tree and then walked the majority of UT - Site notes: -No channel instability was observed -Channel aggradation was observed in sections likely due to sediment inputs, dense herbaceous vegetation along the channel, and the small drainage areas. The interagency review team (IRT) did not have any concerns with the stream maintaining a single -thread channel, with the exception of the upper 40 -feet of UT -1 that demonstrated more wetland seep characteristics. -Extensive invasive vegetation (e.g. kudzu and privet) was observed throughout the project, especially in UT -1. The bank sponsor has not been successful with managing invasives up to this point. The IRT does not support the use of goats to manage invasive vegetation. This method has not been effective and can also negatively impact the desired native riparian vegetation. Brent M stated that the sponsor had contracted with an invasive control company to eradicate the kudzu both inside and outside the easement boundaries on the site. The IRT stated that other invasive species such as privet and multi -flora rose should also be treated. -DWR supports the Corps decision to hold mitigation credit releases (25%) for at least the next two growing seasons to determine if the invasive treatments are successful. -Supplemental planting was observed in UT -3 -The bank sponsor is actively pruning pine trees in the lower reaches to allow the planted woody species to get established in the buffer. According to Brent, the sponsor will continue to prune the pine trees as needed. Zan Price, P.E. Assistant Regional Supervisor — Asheville Regional Office Water Quality Regional Operations Section NCDEQ — Division of Water Resources 828 296 4662 office 828 231 9634 mobile zan.price(a)ncdenr.gov 2090 U.S. Hwy. 70 Swannanoa, N.C. 28711 Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties.