SUMMERVILLE COMMISSIONERS OF PUBLIC WORKS

NPDES permit SC0037541 · Major POTW · expired, expires 2024-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-11-30 and is expired: 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

0values over a limit
23required values missing, on 6 form(s)
0of 37 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 29 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (99)

OutfallParameterStatisticLimitMonths
001Oxygen demand, ultimateMO AVG <= 3050 lb/d Jan, Feb, Nov, Dec
001Oxygen demand, ultimateMO AVG <= 2745 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Oxygen demand, ultimateWKLY AVG <= 4575 lb/d Jan, Feb, Nov, Dec
001Oxygen demand, ultimateWKLY AVG <= 4118 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 2502 lb/d all year
001Solids, total suspendedWKLY AVG <= 3753 lb/d all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, total [as N]WKLY AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.85 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 4.28 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 238 lb/d all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 357 lb/d all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]WKLY AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualMO AVG <= .011 mg/L all year
001Chlorine, total residualDAILY MX <= .018 mg/L all year
001Chlorine, total residualMO AVG <= 1 lb/d all year
001Chlorine, total residualDAILY MX <= 1.5 lb/d all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 349 MPN/100mL all year
001E. coli30DAVGEO <= 126 MPN/100mL all year
001E. coliDAILY MX <= 800 MPN/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 7.7 mg/L all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 11.6 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 642 lb/d all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 967 lb/d all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaDAILY MN report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubiaDAILY MN report only all year
001Pass/Fail Static 48Hr Acute Ceriodaphnia dubiaDAILY MX <= 0 pass=0;fail=1 all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN report only all year
001IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MN report only all year
002Oxygen demand, ultimateMO AVG <= 36.57 mg/L Jan, Feb, Nov, Dec
002Oxygen demand, ultimateMO AVG <= 34.45 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Oxygen demand, ultimateWKLY AVG <= 54.86 mg/L Jan, Feb, Nov, Dec
002Oxygen demand, ultimateWKLY AVG <= 51.68 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Oxygen demand, ultimateMO AVG <= 3050 lb/d Jan, Feb, Nov, Dec
002Oxygen demand, ultimateMO AVG <= 2745 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Oxygen demand, ultimateWKLY AVG <= 4575 lb/d Jan, Feb, Nov, Dec
002Oxygen demand, ultimateWKLY AVG <= 4118 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Oxygen, dissolved [DO]MINIMUM >= 7 mg/L all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Solids, total suspendedWKLY AVG <= 45 mg/L all year
002Solids, total suspendedMO AVG <= 2502 lb/d all year
002Solids, total suspendedWKLY AVG <= 3753 lb/d all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]WKLY AVG report only all year
002Nitrogen, total [as N]MO AVG report only all year
002Nitrogen, total [as N]WKLY AVG report only all year
002Nitrogen, ammonia total [as N]MO AVG <= 1.82 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 4.34 mg/L Jan, Feb, Nov, Dec
002Nitrogen, ammonia total [as N]WKLY AVG <= 2.73 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]WKLY AVG <= 6.51 mg/L Jan, Feb, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 152 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 362 lb/d Jan, Feb, Nov, Dec
002Nitrogen, ammonia total [as N]WKLY AVG <= 228 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]WKLY AVG <= 543 lb/d Jan, Feb, Nov, Dec
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]WKLY AVG report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]WKLY AVG report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantWKLY AVG report only all year
002Chlorine, total residualMO AVG <= .011 mg/L all year
002Chlorine, total residualDAILY MX <= .018 mg/L all year
002Chlorine, total residualMO AVG <= 1 lb/d all year
002Chlorine, total residualDAILY MX <= 1.5 lb/d all year
002E. coli30DAVGEO <= 126 MPN/100mL all year
002E. coliDAILY MX <= 349 MPN/100mL all year
002E. coli30DAVGEO <= 126 MPN/100mL all year
002E. coliDAILY MX <= 800 MPN/100mL all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 8.4 mg/L all year
002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 12.6 mg/L all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 701 lb/d all year
002BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1051 lb/d all year
002BOD, 5-day, percent removalMO AV MN >= 85 % all year
002Solids, suspended percent removalMO AV MN >= 85 % all year
002%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AVG <= 25 % all year
002%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaDAILY MX <= 40 % all year

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