DENMARK CITY OF

NPDES permit SC0040215 · Minor POTW · administratively continued, expires 2018-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2018-09-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

7values over a limit
0required values missing, on 0 form(s)
0of 8 forms filed late

Last period with anything received: 2026-02-28. Most often over: E. coli (3), BOD, 5-day, percent removal (2), Solids, suspended percent removal (2).

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (27)

OutfallParameterStatisticLimitMonths
002Oxygen, dissolved [DO]MINIMUM >= 2 mg/L Jan, Feb, Nov, Dec
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Nov, Dec
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jan, Feb, Nov, Dec
002BOD, 5-day, 20 deg. CMO AVG <= 97 lb/d Jan, Feb, Nov, Dec
002BOD, 5-day, 20 deg. CWKLY AVG <= 146 lb/d Jan, Feb, Nov, Dec
002pHMINIMUM >= 6 SU Jan, Feb, Nov, Dec
002pHMAXIMUM <= 8.5 SU Jan, Feb, Nov, Dec
002Solids, total suspendedMO AVG <= 90 mg/L Jan, Feb, Nov, Dec
002Solids, total suspendedWKLY AVG <= 135 mg/L Jan, Feb, Nov, Dec
002Solids, total suspendedMO AVG <= 291 lb/d Jan, Feb, Nov, Dec
002Solids, total suspendedWKLY AVG <= 437 lb/d Jan, Feb, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 15 mg/L Jan, Feb, Nov, Dec
002Nitrogen, ammonia total [as N]WKLY AVG <= 22.5 mg/L Jan, Feb, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 49 lb/d Jan, Feb, Nov, Dec
002Nitrogen, ammonia total [as N]WKLY AVG <= 74 lb/d Jan, Feb, Nov, Dec
002Flow, in conduit or thru treatment plantMO AVG report only Jan, Feb, Nov, Dec
002Flow, in conduit or thru treatment plantWKLY AVG report only Jan, Feb, Nov, Dec
002Chlorine, total residualMO AVG <= .081 mg/L Jan, Feb, Nov, Dec
002Chlorine, total residualDAILY MX <= .139 mg/L Jan, Feb, Nov, Dec
002Chlorine, total residualMO AVG <= .262 lb/d Jan, Feb, Nov, Dec
002Chlorine, total residualDAILY MX <= .449 lb/d Jan, Feb, Nov, Dec
002E. coli30DAVGEO <= 126 MPN/100mL Jan, Feb, Nov, Dec
002E. coliDAILY MX <= 349 MPN/100mL Jan, Feb, Nov, Dec
002E. coli30DAVGEO <= 126 MPN/100mL Jan, Feb, Nov, Dec
002E. coliDAILY MX <= 800 MPN/100mL Jan, Feb, Nov, Dec
002BOD, 5-day, percent removalMO AV MN >= 85 % Jan, Feb, Nov, Dec
002Solids, suspended percent removalMO AV MN >= 85 % Jan, Feb, Nov, Dec

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states