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Guntersville Water and Sewer Board

Sewage treatment plant, major discharger, Guntersville, Alabama. NPDES permit AL0020150, in force until Aug 31, 2027. Last 12 months: over a limit 6 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form 2 monthly (41 values), outfall 003 form S yearly
Renewal application due
Mar 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 0 of 14 reports late

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

Period endingParameterReportedLimitOver by
November 2025E. coli, daily maximum1440≤ 235 #/100mL513%
May 2026Solids, suspended percent removal, monthly average minimum31.4≥ 85 %357%
May 2026Solids, total suspended, monthly average2682≤ 1226 lb/d119%
May 2026Solids, total suspended, monthly average69.9≤ 30 mg/L133%
May 2026Solids, total suspended, weekly average10372≤ 1839 lb/d464%
May 2026Solids, total suspended, weekly average264≤ 45 mg/L487%

Limits in force (54)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 1226 lb/dall year001
Solids, total suspendedweekly average≤ 1839 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≤ 20 mg/Lall year001
Nitrogen, ammonia total [as N]weekly average≤ 30 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 817 lb/dall year001
Nitrogen, ammonia total [as N]weekly average≤ 1226 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 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 [acute], Pimephales promelas [Fathead Minnow]single sample≤ 0 pass=0;fail=1Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 37.5 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1021 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1532 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≥ 85 %all year001
pHdaily minimumreport only (SU)all year003
pHdaily maximumreport only (SU)all year003
Solids, total suspendeddaily maximumreport only (mg/L)all year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year003
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year003
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year003
Phosphorus, total [as P]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
E. colidaily maximumreport only (#/100mL)all year003
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year003

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/AL0020150 · MCP: https://passage-data.com/mcp