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Sewage treatment plant, major discharger, Crawfordsville, Indiana. NPDES permit IN0032964, in force until Nov 30, 2029. Last 12 months: over a limit 8 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Nitrogen, ammonia total [as N], maximum weekly average | 5.956 mg/L | ≤ 5.7 mg/L | 4% |
| February 2026 | Phosphorus, total [as P], monthly average | 1.119 mg/L | ≤ 1 mg/L | 12% |
| February 2026 | Solids, total suspended, maximum weekly average | 64.3 mg/L | ≤ 45 mg/L | 43% |
| April 2026 | Chlorine, total residual, daily maximum | .25 mg/L | < .06 mg/L | 317% |
| April 2026 | Chlorine, total residual, monthly average | .25 mg/L | < .06 mg/L | 317% |
| May 2026 | Chlorine, total residual, daily maximum | .22 mg/L | < .06 mg/L | 267% |
| May 2026 | Chlorine, total residual, monthly average | .125 mg/L | < .06 mg/L | 108% |
| August 2026 | E. coli, colony forming units [CFU], daily maximum | 961 CFU/100mL | ≤ 235 CFU/100mL | 309% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | daily average minimum | ≥ 4 mg/L | all year |
| pH | daily minimum | ≥ 6 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | monthly average | ≤ 24 mg/L | May–Nov |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | maximum weekly average | ≤ 36 mg/L | May–Nov |
| Solids, total suspended | monthly average | ≤ 1502 lb/d | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | monthly average | ≤ 1202 lb/d | May–Nov |
| Solids, total suspended | maximum weekly average | ≤ 2253 lb/d | Jan, Feb, Mar, Apr, Dec |
| Solids, total suspended | maximum weekly average | ≤ 1803 lb/d | May–Nov |
| 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 | ≤ 1.9 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.8 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 2.9 mg/L | May–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 5.7 mg/L | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 95 lb/d | May–Nov |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 190 lb/d | Jan, Feb, Mar, Apr, Dec |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 145 lb/d | May–Nov |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 285 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 | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Copper, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Copper, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Copper, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Chlorine, total residual | monthly average | < .06 mg/L | Apr–Oct |
| Chlorine, total residual | daily maximum | < .06 mg/L | Apr–Oct |
| 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 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute | May, Nov |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute | Jun, Dec |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute | Jun, Dec |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1.3 tox chronic | May, Nov |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1.3 tox chronic | Jun, Dec |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 1.3 tox chronic | Jun, Dec |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute | May, Nov |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute | Jun, Dec |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute | Jun, Dec |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1.3 tox chronic | May, Nov |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1.3 tox chronic | Jun, Dec |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1.3 tox chronic | Jun, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 20 mg/L | May–Nov |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 40 mg/L | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 30 mg/L | May–Nov |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 1252 lb/d | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 1001 lb/d | May–Nov |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 2003 lb/d | Jan, Feb, Mar, Apr, Dec |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 1502 lb/d | May–Nov |
| 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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On EPA ECHO: Facility report · DMR history
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