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HomeMy WebLinkAboutNC0068152_NOV-2020-LV-0040 Response_20200205 (2)D R Y January 31, 2019 R I D G E P R O P E R T I E S RE: NOTICE OF VIOLATION & INTENTTO ASSESS CIVIL PENALTY Tracking p: NOV-2020-LV-0040 Permit#: nc0068152 Eden Glen Mobile Village WWTP Buncombe County DearNCDEQ: Water Quality Regional Operations Asheville Reglanal Office During the month of October Eden Glen experienced a permit violation for the exceedance of Ammonia. It is believed that something was introduced to the waste water plant, from the mobile home park, that caused a disruption in the biological process. This resulted in the ammonia not being able to be broken down by the bacteria within the waste water treatment plant. This issue has since been addressed by changing the return sludge flow and the wasting cycle used in the plant operation. These actions will help slow down the flow of the water through the clarifier and lower the sludge blanket within the clarifier. The bacteria now have the time to complete the nitrification process with a lower sludge blanket and a slower flow through the clarifier. As a final precaution, a liquid nitrifying bacteria is being added to help further break down the ammonia in the waste water stream. The dissolved oxygen level within the aeration basin and the clarifier have stayed within range of proper nitrification process controls. The latest monitoring results have showed a significant drop in the ammonia levels. We continue to strive to keep the plant running within the permit levels. The ammonia exceedance has warranted great concern and it has taken some time to rectify the plant operation to be in compliance. These issues have not been a problem in the past but we will continue to evolve the waste water treatment plan to further improve the water quality. Sincerely, Dan Arnold Member -Manager Dry Ridge Properties, LLC Ll• 0 191 C+8283370894 danielcarnold@gmail.com I Bernardsville, NC 28709