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Sewage treatment plant, major discharger, Fort Wayne, Indiana. NPDES permit IN0042391, in force until Jul 31, 2027. Last 12 months: over a limit 13 times (last August 2026), 4 required values missing, 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Phosphorus, total [as P], monthly average | 1.1 mg/L | ≤ 1 mg/L | 10% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 103.7 lb/d | ≤ 44 lb/d | 136% |
| November 2025 | Nitrogen, ammonia total [as N], monthly average | 3.6 mg/L | ≤ 1.5 mg/L | 140% |
| November 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 185.1 lb/d | ≤ 67 lb/d | 176% |
| November 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 6.3 mg/L | ≤ 2.3 mg/L | 174% |
| January 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 100.1 lb/d | ≤ 96 lb/d | 4% |
| January 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 3.6 mg/L | ≤ 3.3 mg/L | 9% |
| June 2026 | E. coli, colony forming units [CFU], daily maximum | 435.2 CFU/100mL | ≤ 235 CFU/100mL | 85% |
| July 2026 | E. coli, colony forming units [CFU], daily maximum | 1299.7 CFU/100mL | ≤ 235 CFU/100mL | 453% |
| July 2026 | Nitrogen, ammonia total [as N], monthly average | 47.3 lb/d | ≤ 44 lb/d | 8% |
| July 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 2.7 mg/L | ≤ 2.3 mg/L | 17% |
| July 2026 | Nitrogen, ammonia total [as N], maximum weekly average | 93.5 lb/d | ≤ 67 lb/d | 40% |
| August 2026 | E. coli, colony forming units [CFU], daily maximum | 658.6 CFU/100mL | ≤ 235 CFU/100mL | 180% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily average minimum | ≥ 5 mg/L | Jan, Feb, Mar, Apr, Dec |
| Oxygen, dissolved [DO] | daily average minimum | ≥ 6 mg/L | May–Nov |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 10 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 15 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 292 lb/d | all year |
| Solids, total suspended | maximum weekly average | ≤ 438 lb/d | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 2.3 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 3.3 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 44 lb/d | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 64 lb/d | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 67 lb/d | May–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 96 lb/d | Jan, Feb, Mar, Apr, Dec |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Cyanide, free [as free] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Cyanide, free [as free] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Cyanide, free [as free] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Cyanide, free [as free] | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Silver total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Silver total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Silver total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Silver total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Lead, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Lead, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Lead, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Lead, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Copper, total recoverable | monthly average | ≤ .022 mg/L | all year |
| Copper, total recoverable | daily maximum | ≤ .043 mg/L | all year |
| Copper, total recoverable | monthly average | report only (mg/L) | all year |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year |
| Phenol | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Phenol | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Phenol | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Phenol | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct |
| E. coli, colony forming units [CFU] | daily maximum | report only (CFU/100mL) | Apr–Oct |
| Number of Events | monthly total | report only (# exceed) | Apr–Oct |
| Number of Events | monthly total | report only (#) | Apr–Oct |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute | Aug |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute | Aug |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute | Jul |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1 tox chronic | Aug |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1 tox chronic | Aug |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1 tox chronic | Jul |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute | Aug |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute | Aug |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute | Jul |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox chronic | Aug |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox chronic | Aug |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox chronic | Jul |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 15 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 292 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 438 lb/d | all year |
| Flow, total | monthly total | report only (Mgal/mo) | all year |
Cited limits by parameter: Indiana's rules and the federal ones.
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