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Sewage Disposal Board of the City of Red Bay

Sewage treatment plant, Red Bay, Alabama. NPDES permit AL0021245, in force until Dec 31, 2026. Last 12 months: over a limit 16 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form 1 monthly (45 values)
Renewal application due
Jul 4, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

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

All 16 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, carbonaceous [5 day, 20 C], monthly average28.3≤ 25 mg/L13%
December 2025BOD, carbonaceous [5 day, 20 C], monthly average35.3≤ 25 mg/L41%
December 2025BOD, carbonaceous [5 day, 20 C], weekly average42.8≤ 37.5 mg/L14%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average222.4≤ 207 lb/d7%
January 2026BOD, carbonaceous [5 day, 20 C], monthly average38.1≤ 25 mg/L52%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average56.1≤ 37.5 mg/L50%
January 2026BOD, carbonaceous [5 day, 20 C], weekly average655≤ 311 lb/d111%
February 2026BOD, carbonaceous [5 day, 20 C], monthly average26.45≤ 25 mg/L6%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average51.6≤ 37.5 mg/L38%
April 2026BOD, carbonaceous [5 day, 20 C], monthly average20.8≤ 20 mg/L4%
May 2026BOD, carbonaceous [5 day, 20 C], monthly average28.4≤ 20 mg/L42%
May 2026BOD, carbonaceous [5 day, 20 C], weekly average33.8≤ 30 mg/L13%
May 2026Solids, total suspended, monthly average104.6≤ 90 mg/L16%
June 2026BOD, carbonaceous [5 day, 20 C], monthly average29≤ 20 mg/L45%
June 2026Solids, total suspended, monthly average115.1≤ 90 mg/L28%
June 2026Solids, total suspended, weekly average142≤ 135 mg/L5%

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≤ 746 lb/dall year
Solids, total suspendedweekly average≤ 1120 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≤ 16 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 24 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 165 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 132 lb/dApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 248 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 199 lb/dApr–Oct
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
Copper, total recoverablemonthly average≤ 36 ug/Lall year
Copper, total recoverabledaily maximum≤ 104 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≤ .16 mg/Lall year
Chlorine, total residualdaily maximum≤ .28 mg/Lall year
E. colimonthly average≤ 548 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colimonthly average≤ 126 #/100mLMay–Oct
E. colidaily maximum≤ 2507 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. colidaily maximum≤ 298 #/100mLMay–Oct
Toxicity [chronic], Ceriodaphnia dubiasingle sample≤ 0 pass=0;fail=1Nov
Toxicity [chronic], Pimephales promelas [Fathead Minnow]single sample≤ 0 pass=0;fail=1Nov
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≤ 165 lb/dApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 207 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 248 lb/dApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 311 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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Your permit document is the final word. As JSON: /api/v1/permits/AL0021245 · MCP: https://passage-data.com/mcp