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Utilities Board of the City of Chickasaw

Sewage treatment plant, major discharger, Chickasaw, Alabama. NPDES permit AL0020885 expired Sep 30, 2024; its limits still apply. Last 12 months: over a limit 8 times (last July 2026), 3 required values missing, 2 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 29 days after each period: form 1 monthly (46 values), form A yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 1 required value missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
May 2026Solids, suspended percent removal, monthly average minimum55.2≥ 65 %28%
May 2026pH, daily maximum9.1≤ 9 SU—
June 2026Solids, suspended percent removal, monthly average minimum45.8≥ 65 %55%
July 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum70.4≥ 85 %97%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average28≤ 25 mg/L12%
July 2026BOD, carbonaceous [5 day, 20 C], weekly average48≤ 37.5 mg/L28%
July 2026Enterococci: group D, MF trans, M-E, EIA, daily maximumT≤ 275 #/100mL—
July 2026Solids, suspended percent removal, monthly average minimum-52.9≥ 65 %337%

Limits in force (50)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 1125 lb/dall year
Solids, total suspendedweekly average≤ 1688 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedweekly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedweekly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]monthly average≤ 20 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 30 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 250 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 375 lb/dall year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (lb/d)all year
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]weekly averagereport only (mg/L)all year
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year
Nitrite + Nitrate total [as N]weekly averagereport only (lb/d)all year
Phosphorus, total [as P]monthly averagereport only (mg/L)all year
Phosphorus, total [as P]weekly averagereport only (mg/L)all year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Phosphorus, total [as P]weekly averagereport only (lb/d)all year
Copper, total recoverablemonthly average≤ 55.59 ug/Lall year
Copper, total recoverabledaily maximum≤ 8.57 ug/Lall year
Enterococci: group D, MF trans, M-E, EIAmonthly averagereport only (#/100mL)all year
Enterococci: group D, MF trans, M-E, EIAdaily maximum≤ 275 #/100mLall year
Di[2-ethylhexyl] phthalate [DEHP]monthly average≤ 23.1 ug/Lall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly averagereport only (mg/L)all year
Chlorine, total residualdaily maximum≤ .026 mg/Lall year
Mercury, total recoverablemonthly averagereport only (ug/L)all year
Mercury, total recoverabledaily maximumreport only (ug/L)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 37.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 312 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 469 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (lb/d)all year
BOD, carbonaceous [5 day, 20 C]weekly averagereport only (lb/d)all year
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 65 %all year
Pass/Fail Static Chronic Arbacia punctulatasingle sample≤ 0 pass=0;fail=1Jan, Apr, Jul, Oct
Pass/Fail Static Renewal 7Day Chronic Cyprinodon variegatussingle sample≤ 0 pass=0;fail=1Oct

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0020885 · MCP: https://passage-data.com/mcp