Crowley City of

NPDES permit LA0041254 · Major POTW · effective, expires 2030-10-31 · 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.

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

4values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (2), BOD, carbonaceous, percent removal (1), Oxygen, dissolved [DO] (1).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among LA permits in EPA's filings — check your permit).

Limits in force (70)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO AV MN >= 6 mg/L Jan, Feb, Dec
001Oxygen, dissolved [DO]MO AV MN >= 5 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspendedWKLY AVG <= 23 mg/L all year
001Solids, total suspendedMO AVG <= 438 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY 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, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 5 mg/L all year
001Nitrogen, ammonia total [as N]WKLY AVG <= 10 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 146 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
001Whole effluent toxicity - retest #17 DA MIN report only all year
001Whole effluent toxicity - retest #1MO AV MN report only all year
001Whole effluent toxicity - retest #27 DA MIN report only all year
001Whole effluent toxicity - retest #2MO AV MN report only all year
001WET, sublethal retest #17 DA MIN report only all year
001WET, sublethal retest #1MO AV MN report only all year
001WET, sublethal retest #27 DA MIN report only all year
001WET, sublethal retest #2MO AV MN 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
001Whole Effluent Toxicity - Retest #37 DA MIN report only all year
001Whole Effluent Toxicity - Retest #3MO AV MN report only all year
001Whole Effluent Toxicity, Sub-Lethal Retest #37 DA MIN report only all year
001Whole Effluent Toxicity, Sub-Lethal Retest #3MO AV MN report only all year
001Whole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 55 % all year
001Whole Effluent Toxicity [WET] - P. promelasMO AV MN >= 55 % all year
001Solids, total dissolvedMO AVG report only all year
001Solids, total dissolvedWKLY AVG report only all year
001Solids, total dissolvedMO AVG report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Coliform, fecal generalMOAV GEO <= 200 #/100mL all year
001Coliform, fecal generalWE <= 400 #/100mL all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 5 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L Jan, Feb, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 7.5 mg/L Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 15 mg/L Jan, Feb, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 146 lb/d Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 292 lb/d Jan, Feb, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only all year
001BOD, carbonaceous, percent removalMINIMUM >= 85 % all year
001Solids, suspended percent removalMINIMUM >= 85 % all year
001Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubiaMAXIMUM report only all year
001Pass/Fail Static Renewal 7Day Chronic Pimephales promelasMAXIMUM report only all year
001Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
001Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
001Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
001Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
001NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
001NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
001NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
001NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
001NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
001NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
001NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
001NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelasMO AV MN report only all year
001Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
001Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubiaMO AV MN report only all year
001Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
001Coef Of Var Static Renewal 7Day Chronic Pimephales promelasMO AV MN 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