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HomeMy WebLinkAboutWQCS00046_NOV-2020-DV-0255 Response_20200615June 10, 2020 City of Belmont 115 N. MAIN STREET POST OFFICE BOX 431 BELMONT, N.C. 28012 PHONE (704) 825-5586 Certified Mail: 7099 3400 00111305 6601 North Carolina Division of Water Quality 610 East Center Avenue, Suite 301 Mooresville, North Carolina 28115 Attn: W. Corey Basinger - Regional Supervisor Water Quality Regional Operations Section Ref: Notice of Violation - Tracking No. NOV-2020-DV-0255 City of Belmont - WQCS00046 Dear Mr. Basinger: The City of Belmont is in receipt of the above NOV and as required by your letter, our response to the violations are as follows: Incident # 202001297- This overflow incident, located at a influent manhole of the Cason Street Liftstation at 773 Cason Street, was the result of heavy rainfall within a four (4) hour window. The total rainfall amount was 2.4". City crews responded to reports of the overflow and immediately began utilizing our vacuum and pump truck's, along with both liftstation pumps, to alleviate the incoming flows. Lime was applied to the area around the manhole after incident. On behalf of the City of Belmont, our crews responded to the overflow as soon as the incident was reported and began the process of pumping down the wet well of the liftstation. Once the flows returned to normal, our crews cleaned the area and lime was applied to the affected area around the manhole and liftstation. On further investigation, we have found a section of approximately 2000 linear feet of 8" main that appears to be the source of the inflow and infiltration. This section of main is scheduled to be replaced and moved in the near future. The City is working with a major developer and their contractors to replace and relocate this 2000' of 8" main. In the interim, the City of Belmont is the process of videoing and repairing any and all sections that may be compromised. We had a similar significant rainfall event in this same area on May 22, 2020, that resulted in the same results. In both cases, we had 30 minutes or less warning from the National Weather Service Office of the intensity of these rainfall events. Sincerely; Charles B. Flowers, Jr. Utility Director