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Heflin Water Works and Sewer Board

Sewage treatment plant, Heflin, Alabama. NPDES permit AL0056146 expired Mar 31, 2026; its limits still apply. 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), form Q quarterly (2 values), form T monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
25 values over a limit, 0 required values missing, 0 of 17 reports late

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

Period endingParameterReportedLimitOver by
October 2025Nitrogen, ammonia total [as N], monthly average29.8≤ 15 mg/L99%
October 2025Nitrogen, ammonia total [as N], weekly average37.6≤ 22.5 mg/L67%
February 2026BOD, carbonaceous [5 day, 20 C], weekly average40.6≤ 37.5 mg/L8%
March 2026BOD, carb-5 day, 20 deg C, percent removal, monthly average minimum0≥ 85 %567%
March 2026Solids, suspended percent removal, monthly average minimum0≥ 65 %186%
April 2026Nitrogen, ammonia total [as N], monthly average23.5≤ 15 mg/L57%
April 2026Nitrogen, ammonia total [as N], weekly average27.5≤ 22.5 mg/L22%

Limits in force (61)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimumreport only (mg/L)all 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≤ 450 lb/dall year
Solids, total suspendedweekly average≤ 675 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≤ 15 mg/LApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 30 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 22.5 mg/LApr–Oct
Nitrogen, ammonia total [as N]monthly average≤ 100 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 75 lb/dApr–Oct
Nitrogen, ammonia total [as N]weekly average≤ 150 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]weekly average≤ 112 lb/dApr–Oct
Nitrogen, Kjeldahl, total [as N]monthly average≤ 40 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 30 mg/LApr–Oct
Nitrogen, Kjeldahl, total [as N]weekly average≤ 60 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 45 mg/LApr–Oct
Nitrogen, Kjeldahl, total [as N]monthly average≤ 200.2 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]monthly average≤ 150.1 lb/dApr–Oct
Nitrogen, Kjeldahl, total [as N]weekly average≤ 300.2 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, Kjeldahl, total [as N]weekly average≤ 225.2 lb/dApr–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≤ 293 ug/Lall year
Copper, total recoverabledaily maximum≤ 355 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≤ .253 mg/Lall year
Chlorine, total residualdaily maximum≤ .437 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=1Sep
Toxicity [chronic], Pimephales promelas [Fathead Minnow]single sample≤ 0 pass=0;fail=1Sep
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 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≤ 30 mg/LApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 125 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 100 lb/dApr–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 187 lb/dJan, Feb, Mar, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 150 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/AL0056146 · MCP: https://passage-data.com/mcp