Stuttgart, City of

NPDES permit AR0034380 · Major POTW · administratively continued, expires 2026-02-28 · 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 2026-02-28 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

120values over a limit
39required values missing, on 2 form(s)
18of 35 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (36), BOD, carbonaceous [5 day, 20 C] (32), Coliform, fecal general (24).

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 (79)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 6 mg/L all year
001Oxygen, dissolved [DO]INST MIN >= 6 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspended7 DA AVG <= 22.5 mg/L all year
001Solids, total suspended7 DA AVG <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 437.9 lb/d all year
001Solids, total suspendedMO AVG <= 250.2 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 2.1 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.1 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 4 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]7 DA AVG <= 5.2 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]7 DA AVG <= 6 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]7 DA AVG <= 5.2 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]7 DA AVG <= 6 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 61.3 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 116.8 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 35 lb/d Apr, May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 66.7 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]7 DA AVG report only all year
001Nitrite + Nitrate total [as N]7 DA AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]7 DA AVG report only all year
001Phosphorus, total [as P]7 DA AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Copper, total recoverableMO AVG <= 29.5 ug/L all year
001Copper, total recoverableMO AVG <= 29.5 ug/L all year
001Copper, total recoverable7 DA AVG <= 59 ug/L all year
001Copper, total recoverable7 DA AVG <= 59 ug/L all year
001Copper, total recoverableMO AVG <= .86 lb/d all year
001Copper, total recoverableMO AVG <= .49 lb/d all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualINST MAX <= .011 mg/L all year
001Peracetic AcidINST MAX <= 1 mg/L all year
001Peracetic AcidINST MAX <= 1 mg/L all year
001Coliform, fecal general30DA GEO <= 1000 #/100mL all year
001Coliform, fecal general30DA GEO <= 1000 #/100mL all year
001Coliform, fecal general7 DA GEO <= 2000 #/100mL all year
001Coliform, fecal general7 DA GEO <= 2000 #/100mL all year
001OverflowsMO TOTAL report only all year
001OverflowsMO TOTAL report only all year
001Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
001Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]DAILY MX <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 291.9 lb/d all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 166.8 lb/d all year
TX1Whole effluent toxicity - retest #1VALUE report only all year
TX1Whole effluent toxicity - retest #2VALUE report only all year
TX1WET, sublethal retest #1VALUE report only all year
TX1WET, sublethal retest #2VALUE report only all year
TX1Whole Effluent Toxicity - Retest #3VALUE report only all year
TX1Whole Effluent Toxicity, Sub-Lethal Retest #3VALUE report only all year
TX1Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1Pass/Fail Static Renewal 7Day Chronic Pimephales promelasVALUE report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasVALUE report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasVALUE report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasVALUE report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubiaVALUE report only all year
TX1Coef Of Var Static Renewal 7Day Chronic Pimephales promelasVALUE 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