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Water Works and Sewer Board of the Town of Collinsville

Sewage treatment plant, Collinsville, Alabama. NPDES permit AL0024236, in force until May 31, 2027. Last 12 months: over a limit 7 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (43 values)
Renewal application due
Dec 2, 2026 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026Nitrogen, ammonia total [as N], monthly average26≤ 20 mg/L30%
February 2026Nitrogen, ammonia total [as N], monthly average25.4≤ 20 mg/L27%
March 2026Nitrogen, ammonia total [as N], monthly average24.7≤ 20 mg/L24%
April 2026Nitrogen, Kjeldahl, total [as N], monthly average19.9≤ 16 mg/L24%
April 2026Nitrogen, Kjeldahl, total [as N], weekly average25.7≤ 24 mg/L7%
April 2026Nitrogen, ammonia total [as N], monthly average14.8≤ 8 mg/L85%
April 2026Nitrogen, ammonia total [as N], weekly average20.1≤ 12 mg/L68%

Limits in force (57)

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≤ 225 lb/dall year
Solids, total suspendedweekly average≤ 337 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/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 8 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 12 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 50 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 20 lb/dApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 75 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 30 lb/dApr–Oct
Nitrogen, Kjeldahl, total [as N]monthly average≤ 16 mg/LApr–Oct
Nitrogen, Kjeldahl, total [as N]monthly average≤ 40 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 24 mg/LApr–Oct
Nitrogen, Kjeldahl, total [as N]weekly average≤ 60 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 40 lb/dApr–Oct
Nitrogen, Kjeldahl, total [as N]monthly average≤ 100 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 60 lb/dApr–Oct
Nitrogen, Kjeldahl, total [as N]weekly average≤ 150 lb/dJan, Feb, Mar, Nov, Dec
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≤ .467 mg/Lall year
Chlorine, total residualdaily maximum≤ .806 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≤ 20 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 30 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]monthly average≤ 50 lb/dApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62.5 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 75 lb/dApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 93.8 lb/dJan, Feb, Mar, Nov, Dec
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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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0024236 · MCP: https://passage-data.com/mcp