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Stevenson Utilities Board

Sewage treatment plant, Stevenson, Alabama. NPDES permit AL0021351, in force until Oct 31, 2027. Last 12 months: over a limit 4 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (43 values)
Renewal application due
May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
8 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
December 2025BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum77.8≥ 85 %48%
January 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum69.5≥ 85 %103%
February 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum74.1≥ 85 %73%
March 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum77.4≥ 85 %51%

Limits in force (43)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 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≤ 562 lb/dall year
Solids, total suspendedweekly average≤ 844 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≤ 6 mg/Lall year
Nitrogen, ammonia total [as N]weekly average≤ 9 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 37.5 lb/dall year
Nitrogen, ammonia total [as N]weekly average≤ 56.2 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
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≤ .058 mg/Lall year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
E. colimonthly average≤ 126 #/100mLall year
E. colidaily maximum≤ 235 #/100mLall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 21 mg/Lall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 31.5 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 131 lb/dall year
BOD, carbonaceous [5 day, 20 C]weekly average≤ 197 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

How strict are these limits?

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

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AL0021351 · MCP: https://passage-data.com/mcp