Dermott, City of-South Pond

NPDES permit AR0022250 · Major POTW · expired, expires 2026-01-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2026-01-31 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

22values over a limit
81required values missing, on 3 form(s)
14of 16 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (7), Oxygen, dissolved [DO] (7), Chlorine, total residual (3).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (63)

OutfallParameterStatisticLimitMonths
002Oxygen, dissolved [DO]INST MIN >= 6 mg/L May, Jun, Jul, Aug, Sep, Oct
002Oxygen, dissolved [DO]INST MIN >= 2 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Nov, Dec
002BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L Jan, Feb, Mar, Nov, Dec
002BOD, 5-day, 20 deg. CMO AVG <= 300.2 lb/d Jan, Feb, Mar, Nov, Dec
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 90 mg/L all year
002Solids, total suspended7 DA AVG <= 135 mg/L all year
002Solids, total suspendedMO AVG <= 900.7 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG <= 3 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 13.6 mg/L Apr
002Nitrogen, ammonia total [as N]7 DA AVG <= 4.5 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]7 DA AVG <= 22.5 mg/L Apr
002Nitrogen, ammonia total [as N]MO AVG <= 30 lb/d May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 136.1 lb/d Apr
002Nitrite + Nitrate total [as N]MO AVG report only all year
002Nitrite + Nitrate total [as N]7 DA AVG report only all year
002Nitrite + Nitrate total [as N]MO AVG report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Phosphorus, total [as P]7 DA AVG report only all year
002Phosphorus, total [as P]MO AVG report only all year
002Chloride [as Cl]MO AVG report only all year
002Chloride [as Cl]7 DA AVG report only all year
002Chloride [as Cl]MO AVG <= 530.8 lb/d all year
002Sulfate, total [as SO4]MO AVG report only all year
002Sulfate, total [as SO4]7 DA AVG report only all year
002Sulfate, total [as SO4]MO AVG <= 410.6 lb/d all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualINST MAX <= .033 mg/L May, Jun, Jul, Aug, Sep, Oct
002Chlorine, total residualINST MAX <= .07 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolved7 DA AVG report only all year
002Solids, total dissolvedMO AVG <= 3244.9 lb/d all year
002Mercury, total recoverableMO AVG report only all year
002Mercury, total recoverable7 DA AVG report only all year
002Mercury, total recoverableMO AVG report only all year
002Coliform, fecal generalMO AVG <= 200 #/100mL May, Jun, Jul, Aug, Sep
002Coliform, fecal general30DA GEO <= 1000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Coliform, fecal general7 DA AVG <= 400 #/100mL May, Jun, Jul, Aug, Sep
002Coliform, fecal general7 DA GEO <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002OverflowsMO TOTAL report only all year
002Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 25 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 40 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 250.2 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
TX2Whole effluent toxicity - retest #17 DA MIN report only all year
TX2Whole effluent toxicity - retest #27 DA MIN report only all year
TX2WET, sublethal retest #17 DA MIN report only all year
TX2WET, sublethal retest #27 DA MIN report only all year
TX2Whole Effluent Toxicity - Retest #37 DA MIN report only all year
TX2Whole Effluent Toxicity, Sub-Lethal Retest #37 DA MIN report only all year
TX2Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TX2Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX2NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX2NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TX2Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TX2Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only 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