Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Opp, Alabama. NPDES permit AL0054313, in force until Jul 31, 2027. Last 12 months: over a limit once (last November 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| November 2025 | Toxicity [chronic], Ceriodaphnia dubia, single sample | 1 | ≤ 0 pass=0;fail=1 |
| 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 | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 135 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 900 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 1351 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 | ≤ 5 mg/L | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 7.5 mg/L | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 50 lb/d | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 200 lb/d | Jan, Feb, Mar, Apr, Dec | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 75 lb/d | May–Nov | 001 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 300 lb/d | Jan, Feb, Mar, Apr, Dec | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (mg/L) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, Kjeldahl, total [as N] | weekly average | report only (lb/d) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | weekly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrite + Nitrate total [as N] | weekly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | weekly average | report only (lb/d) | all year | 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 |
| 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 | ≤ .14 mg/L | all year | 001 |
| E. coli | monthly average | ≤ 126 #/100mL | May–Oct | 001 |
| E. coli | monthly average | ≤ 548 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| E. coli | daily maximum | ≤ 298 #/100mL | May–Oct | 001 |
| E. coli | daily maximum | ≤ 2507 #/100mL | Jan, Feb, Mar, Apr, Nov, Dec | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | single sample | ≤ 0 pass=0;fail=1 | Feb, May, Aug, Nov | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | single sample | ≤ 0 pass=0;fail=1 | Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 30 mg/L | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 200 lb/d | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 250 lb/d | Jan, Feb, Mar, Apr, Dec | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 300 lb/d | May–Nov | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 375 lb/d | Jan, Feb, Mar, Apr, 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 | ≥ 65 % | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 01A |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 01A |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 01A |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 01A |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 01A |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 01A |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 01B |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 01B |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 01B |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 01B |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 01B |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 01B |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 01C |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 01C |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 01C |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 01C |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 01C |
| BOD, carbonaceous [5 day, 20 C] | weekly average | report only (mg/L) | all year | 01C |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW1 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW1 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW1 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW1 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Sep | MW1 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Mar, Sep | MW1 |
| Methylene blue active substances | daily maximum | report only (mg/L) | Mar, Sep | MW1 |
| E. coli | daily maximum | report only (#/100mL) | Mar, Sep | MW1 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | Mar, Sep | MW1 |
| Water level at sample collection time | daily maximum | report only (ft) | Mar, Sep | MW1 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW2 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW2 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW2 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW2 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Sep | MW2 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Mar, Sep | MW2 |
| Methylene blue active substances | daily maximum | report only (mg/L) | Mar, Sep | MW2 |
| E. coli | daily maximum | report only (#/100mL) | Mar, Sep | MW2 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | Mar, Sep | MW2 |
| Water level at sample collection time | daily maximum | report only (ft) | Mar, Sep | MW2 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW3 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW3 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW3 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW3 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Sep | MW3 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Mar, Sep | MW3 |
| Methylene blue active substances | daily maximum | report only (mg/L) | Mar, Sep | MW3 |
| E. coli | daily maximum | report only (#/100mL) | Mar, Sep | MW3 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | Mar, Sep | MW3 |
| Water level at sample collection time | daily maximum | report only (ft) | Mar, Sep | MW3 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW4 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW4 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW4 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW4 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Sep | MW4 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Mar, Sep | MW4 |
| Methylene blue active substances | daily maximum | report only (mg/L) | Mar, Sep | MW4 |
| E. coli | daily maximum | report only (#/100mL) | Mar, Sep | MW4 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | Mar, Sep | MW4 |
| Water level at sample collection time | daily maximum | report only (ft) | Mar, Sep | MW4 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW5 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW5 |
| Nitrogen, nitrite total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW5 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | Mar, Sep | MW5 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Mar, Sep | MW5 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Mar, Sep | MW5 |
| Methylene blue active substances | daily maximum | report only (mg/L) | Mar, Sep | MW5 |
| E. coli | daily maximum | report only (#/100mL) | Mar, Sep | MW5 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | Mar, Sep | MW5 |
| Water level at sample collection time | daily maximum | report only (ft) | Mar, Sep | MW5 |
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/AL0054313 · MCP: https://passage-data.com/mcp