Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Tallassee, Alabama. NPDES permit AL0020486 expired Apr 30, 2026; its limits still apply. Last 12 months: over a limit 16 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | E. coli, monthly average | 166.15 | ≤ 126 #/100mL | 32% |
| November 2025 | E. coli, monthly average | 580.6 | ≤ 548 #/100mL | 6% |
| November 2025 | pH, daily minimum | 5.43 | ≥ 6 SU | — |
| January 2026 | E. coli, monthly average | 1210.3 | ≤ 548 #/100mL | 121% |
| April 2026 | Nitrogen, ammonia total [as N], monthly average | 25.5 | ≤ 20 mg/L | 28% |
| May 2026 | Nitrogen, ammonia total [as N], monthly average | 23.25 | ≤ 20 mg/L | 16% |
| June 2026 | E. coli, daily maximum | 2419 | ≤ 298 #/100mL | 712% |
| June 2026 | E. coli, monthly average | 1240.15 | ≤ 126 #/100mL | 884% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 66.5 | ≤ 20 mg/L | 233% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 861.7 | ≤ 233 lb/d | 270% |
| June 2026 | Nitrogen, ammonia total [as N], weekly average | 119 | ≤ 30 mg/L | 297% |
| June 2026 | Nitrogen, ammonia total [as N], weekly average | 1613.7 | ≤ 350 lb/d | 361% |
| July 2026 | E. coli, daily maximum | 410.6 | ≤ 298 #/100mL | 38% |
| July 2026 | E. coli, monthly average | 210.7 | ≤ 126 #/100mL | 67% |
| August 2026 | E. coli, daily maximum | 2419 | ≤ 298 #/100mL | 712% |
| August 2026 | E. coli, monthly average | 1211.85 | ≤ 126 #/100mL | 862% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily minimum | report only (mg/L) | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 135 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 1050 lb/d | all year |
| Solids, total suspended | weekly average | ≤ 1576 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | weekly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | weekly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 30 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 233 lb/d | all year |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 350 lb/d | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | daily maximum | ≤ 1 mg/L | all year |
| E. coli | monthly average | ≤ 548 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | monthly average | ≤ 126 #/100mL | May–Oct |
| E. coli | daily maximum | ≤ 2507 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec |
| E. coli | daily maximum | ≤ 298 #/100mL | May–Oct |
| Toxicity [acute], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | Feb, May, Aug, Nov |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | Feb, May, Aug, Nov |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 291 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 437 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (lb/d) | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (lb/d) | all year |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 65 % | all year |
Cited limits by parameter: Alabama's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AL0020486 · MCP: https://passage-data.com/mcp