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Town of Cottonwood

Sewage treatment plant, Cottonwood, Alabama. NPDES permit AL0024295, in force until Nov 30, 2026. Last 12 months: over a limit 17 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (43 values)
Renewal application due
Jun 3, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 17 values over a limit
Period endingParameterReportedLimitOver by
May 2026E. coli, daily maximumT≤ 298 #/100mL—
May 2026E. coli, monthly averageT≤ 126 #/100mL—
May 2026Nitrogen, ammonia total [as N], monthly average7.78≤ 3 mg/L159%
May 2026Nitrogen, ammonia total [as N], monthly average9.29≤ 3.8 lb/d144%
May 2026Nitrogen, ammonia total [as N], weekly average13.9≤ 5.8 lb/d140%
May 2026Nitrogen, ammonia total [as N], weekly average8.54≤ 4.5 mg/L90%
June 2026Nitrogen, ammonia total [as N], monthly average3.96≤ 3 mg/L32%
June 2026Nitrogen, ammonia total [as N], monthly average4.21≤ 3.8 lb/d11%
June 2026Nitrogen, ammonia total [as N], weekly average6.6≤ 5.8 lb/d14%
July 2026E. coli, daily maximum687≤ 298 #/100mL131%
July 2026E. coli, monthly average385≤ 126 #/100mL206%
July 2026Nitrogen, ammonia total [as N], monthly average3.37≤ 3 mg/L12%
August 2026E. coli, daily maximum1986≤ 298 #/100mL566%
August 2026E. coli, monthly average994≤ 126 #/100mL689%
August 2026Nitrogen, ammonia total [as N], monthly average5.28≤ 3 mg/L76%
August 2026Nitrogen, ammonia total [as N], weekly average5.7≤ 4.5 mg/L27%
August 2026Nitrogen, ammonia total [as N], weekly average7.27≤ 5.8 lb/d25%

Limits in force (54)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 6 mg/LApr–Oct
Oxygen, dissolved [DO]daily minimum≥ 2 mg/LJan, Feb, Mar, Nov, Dec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspendedweekly average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 116 lb/dall year
Solids, total suspendedweekly average≤ 174 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≤ 3 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 4.5 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 22.5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3.8 lb/dApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 19.3 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 5.8 lb/dApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 29 lb/dJan, Feb, Mar, Nov, Dec
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
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≤ .02 mg/Lall year
Chlorine, total residualdaily maximum≤ .04 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
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 37.5 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 12 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 32.3 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10.3 lb/dApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 48.4 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15.5 lb/dApr–Oct
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

How strict are these limits?

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

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Your permit document is the final word. As JSON: /api/v1/permits/AL0024295 · MCP: https://passage-data.com/mcp