Sherwood, City of - North Facility

NPDES permit AR0037176 · Major POTW · effective, expires 2030-02-28 · EPA's file as of 2026-09-19

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

5values over a limit
7required values missing, on 3 form(s)
3of 19 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (5).

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 (43)

OutfallParameterStatisticLimitMonths
002Oxygen, dissolved [DO]INST MIN >= 5 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 20 mg/L all year
002Solids, total suspended7 DA AVG <= 30 mg/L all year
002Solids, total suspendedMO AVG <= 196 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG <= 2.2 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L Jan, Feb, Mar, Nov, Dec
002Nitrogen, ammonia total [as N]7 DA AVG <= 5.6 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]7 DA AVG <= 7.5 mg/L Jan, Feb, Mar, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 21.6 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 49 lb/d Jan, Feb, Mar, Nov, Dec
002Copper, total recoverableMO AVG report only all year
002Copper, total recoverable7 DA AVG report only all year
002Copper, total recoverableMO AVG report only 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
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolved7 DA AVG report only all year
002Solids, total dissolvedMO AVG report only all year
002Coliform, fecal general30DA GEO <= 1000 #/100mL all year
002Coliform, fecal general7 DA GEO <= 2000 #/100mL all year
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 <= 15 mg/L all year
002BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 23 mg/L all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 147 lb/d all year
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