Written by: Ryan Vulpis
In the state of North Carolina, many stormwater programs are required by the US EPA to maintain a Municipal Separate Storm Sewer System (MS4) Permit. This permit is designed to ensure that jurisdictions protect water quality within its jurisdiction by meeting six minimum control measures (MCM).
In 2019, the North Carolina Department of Environmental Quality (NC DEQ) began auditing MS4 permit holders according to a 5-year audit schedule, intending to audit 20 percent of the State’s permit holders on an annual basis. NC DEQ plans to audit permittees within the state on a five-year cycle to ensure continued compliance. The three possible outcomes of an audit are a notice of compliance (NOC), notice of deficiency (NOD), or notice of violation (NOV) depending on if an infraction is found and the nature of the infraction(s) found. NODs and NOVs serve to alert the permit holders of infractions and request that the infractions be rectified immediately . The EFC analyzed 29 audits completed by NC DEQ for trends in items of deficiency and non-compliance across stormwater programs. While two of the audited communities received notices of compliance, two communities received notices of deficiency and 25 communities received notices of violation. Continue reading