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The Waterworks & Sewer Board of the City of Centreville and the Water Works Boar

Sewage treatment plant, major discharger, Brent, Alabama. NPDES permit AL0044857, in force until Apr 30, 2031. Last 12 months: over a limit 18 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 1 monthly (43 values), outfall 001 form A yearly, outfall 002 form S yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
13 values over a limit, 4 required values missing, 2 of 14 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

All 18 values over a limit
Period endingParameterReportedLimitOver by
November 2025Nitrogen, ammonia total [as N], monthly average4.3≤ 3 mg/L43%
November 2025Nitrogen, ammonia total [as N], weekly average5.5≤ 4.5 mg/L22%
December 2025Nitrogen, ammonia total [as N], monthly average11.9≤ 3 mg/L297%
December 2025Nitrogen, ammonia total [as N], monthly average56.5≤ 40 lb/d41%
December 2025Nitrogen, ammonia total [as N], weekly average13.5≤ 4.5 mg/L200%
December 2025Nitrogen, ammonia total [as N], weekly average68.2≤ 60 lb/d14%
January 2026Nitrogen, ammonia total [as N], monthly average11.4≤ 3 mg/L280%
January 2026Nitrogen, ammonia total [as N], monthly average62.8≤ 40 lb/d57%
January 2026Nitrogen, ammonia total [as N], weekly average14.2≤ 4.5 mg/L216%
January 2026Nitrogen, ammonia total [as N], weekly average91.4≤ 60 lb/d52%
February 2026Nitrogen, ammonia total [as N], monthly average10.3≤ 3 mg/L243%
February 2026Nitrogen, ammonia total [as N], weekly average41.1≤ 4.5 mg/L813%
February 2026Nitrogen, ammonia total [as N], weekly average72.6≤ 60 lb/d21%
March 2026Nitrogen, ammonia total [as N], weekly average5≤ 4.5 mg/L11%
April 2026Nitrogen, ammonia total [as N], monthly average3.3≤ 3 mg/L10%
April 2026Nitrogen, ammonia total [as N], weekly average4.6≤ 4.5 mg/L2%
May 2026Nitrogen, ammonia total [as N], monthly average3.5≤ 3 mg/L17%
May 2026Nitrogen, ammonia total [as N], weekly average4.7≤ 4.5 mg/L4%

Limits in force (60)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 90 mg/Lall year001
Solids, total suspendedweekly average≤ 135 mg/Lall year001
Solids, total suspendedmonthly average≤ 975 lb/dall year001
Solids, total suspendedweekly average≤ 1463 lb/dall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (lb/d)all year001
Solids, total suspendedweekly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 3 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 4.5 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 32.5 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 48.7 lb/dall year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (mg/L)all year001
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (lb/d)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]weekly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year001
Nitrite + Nitrate total [as N]weekly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]weekly averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]weekly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualmonthly average≤ .683 mg/Lall year001
Chlorine, total residualdaily maximum≤ 1 mg/Lall year001
E. colimonthly average≤ 126 #/100mLall year001
E. colidaily maximum≤ 235 #/100mLall year001
Toxicity [acute], Ceriodaphnia dubiasingle sample≤ 0 pass=0;fail=1Oct001
Toxicity [chronic], Ceriodaphnia dubiasingle sample≤ 0 pass=0;fail=1Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]single sample≤ 0 pass=0;fail=1Oct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]single sample≤ 0 pass=0;fail=1Oct001
Mercury, total recoverablemonthly averagereport only (ug/L)all year001
Mercury, total recoverabledaily maximumreport only (ug/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 22.5 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 162 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 243 lb/dall year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year001
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year001
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (lb/d)all year001
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 65 %all year001
pHdaily minimumreport only (SU)all year002
pHdaily maximumreport only (SU)all year002
Solids, total suspendeddaily maximumreport only (mg/L)all year002
Oil & Greasedaily maximum≤ 15 mg/Lall year002
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year002
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year002
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year002
Phosphorus, total [as P]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
E. colidaily maximumreport only (#/100mL)all year002
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year002

How strict are these limits?

Cited limits by parameter: Alabama's rules and the federal ones.

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