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Sewage treatment plant, Gurley, Alabama. NPDES permit AL0070661, in force until Sep 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | ≥ 6 mg/L | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 8.5 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 50 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 75 lb/d | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 001 |
| Solids, total suspended | weekly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 30 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 4.5 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 33.3 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 lb/d | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 50 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 7.5 lb/d | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | Apr–Oct | 001 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | Apr–Oct | 001 |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | Apr–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 001 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Apr–Oct | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Apr–Oct | 001 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Apr–Oct | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ .08 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .139 mg/L | all year | 001 |
| E. coli | monthly average | ≤ 548 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| E. coli | monthly average | ≤ 126 #/100mL | May–Oct | 001 |
| E. coli | daily maximum | ≤ 2507 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| E. coli | daily maximum | ≤ 298 #/100mL | May–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 16 mg/L | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 24 mg/L | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 26.6 lb/d | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 41.7 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 40 lb/d | Apr–Oct | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 62.5 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | all year | 001 |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | weekly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | weekly average | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 30 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 66.7 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 100 lb/d | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | Apr–Oct | 002 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | Apr–Oct | 002 |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | Apr–Oct | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | Apr–Oct | 002 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | Apr–Oct | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | Apr–Oct | 002 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | Apr–Oct | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ 1 mg/L | all year | 002 |
| E. coli | monthly average | ≤ 126 #/100mL | May–Oct | 002 |
| E. coli | monthly average | ≤ 548 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| E. coli | daily maximum | ≤ 298 #/100mL | May–Oct | 002 |
| E. coli | daily maximum | ≤ 2507 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 83.4 lb/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 125 lb/d | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year | 002 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | all year | 002 |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year | 002 |
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/AL0070661 · MCP: https://passage-data.com/mcp