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City of Columbiana

Sewage treatment plant, Columbiana, Alabama. NPDES permit AL0024589 expired Oct 31, 2026. Last 12 months: over a limit 9 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (45 values), form Q quarterly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
44 values over a limit, 0 required values missing, 0 of 16 reports late

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

Period endingParameterReportedLimitOver by
October 2025E. coli, daily maximum345≤ 298 #/100mL16%
January 2026E. coli, daily maximumT≤ 2507 #/100mL—
March 2026Nitrogen, ammonia total [as N], weekly average2.24≤ 1.5 mg/L49%
April 2026Nitrogen, ammonia total [as N], monthly average1.7≤ 1 mg/L70%
April 2026Nitrogen, ammonia total [as N], weekly average19.5≤ 11.8 lb/d65%
April 2026Nitrogen, ammonia total [as N], weekly average4.48≤ 1.5 mg/L199%
May 2026E. coli, daily maximum2420≤ 298 #/100mL712%
June 2026E. coli, daily maximum488≤ 298 #/100mL64%
July 2026E. coli, daily maximum328≤ 298 #/100mL10%

Limits in force (49)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/Lall year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedweekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 236 lb/dall year
Solids, total suspendedweekly average≤ 354 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≤ 1 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 1.5 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 7.8 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 11.8 lb/dall year
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)Apr–Oct
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (mg/L)Apr–Oct
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (lb/d)Apr–Oct
Nitrogen, Kjeldahl, total [as N]weekly averagereport only (lb/d)Apr–Oct
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)Apr–Oct
Nitrite + Nitrate total [as N]weekly averagereport only (mg/L)Apr–Oct
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)Apr–Oct
Nitrite + Nitrate total [as N]weekly averagereport only (lb/d)Apr–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)Apr–Oct
Phosphorus, total [as P]weekly averagereport only (mg/L)Apr–Oct
Phosphorus, total [as P]monthly averagereport only (lb/d)Apr–Oct
Phosphorus, total [as P]weekly averagereport only (lb/d)Apr–Oct
Zinc, total recoverablemonthly average≤ 197 ug/Lall year
Zinc, total recoverabledaily maximum≤ 197 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 average≤ .011 mg/Lall year
Chlorine, total residualdaily maximum≤ .019 mg/Lall year
E. colimonthly average≤ 126 #/100mLMay–Oct
E. colimonthly average≤ 548 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colidaily maximum≤ 298 #/100mLMay–Oct
E. colidaily maximum≤ 2507 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Mercury, total recoverablemonthly average≤ .012 ug/Lall year
Mercury, total recoverabledaily maximum≤ 2.4 ug/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 10.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 55.1 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 82.6 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≥ 85 %all year

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/AL0024589 · MCP: https://passage-data.com/mcp