Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Lafayette, Indiana. NPDES permit IN0032468, in force until Jul 31, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Duration | monthly total | report only (hr/mo) | all year | 001 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 001 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 001 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 001 |
| Duration | monthly total | report only (hr/mo) | all year | 002 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 002 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 002 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 002 |
| Duration | monthly total | report only (hr/mo) | all year | 003 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 003 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 003 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 003 |
| Duration | monthly total | report only (hr/mo) | all year | 006 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 006 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 006 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 006 |
| Duration | monthly total | report only (hr/mo) | all year | 007 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 007 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 007 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 007 |
| Duration | monthly total | report only (hr/mo) | all year | 009 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 009 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 009 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 009 |
| Duration | monthly total | report only (hr/mo) | all year | 010 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 010 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 010 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 010 |
| Duration | monthly total | report only (hr/mo) | all year | 011 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 011 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 011 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 011 |
| Duration | monthly total | report only (hr/mo) | all year | 012 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 012 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 012 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 012 |
| pH | daily minimum | ≥ 6 SU | all year | 014 |
| pH | daily maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 014 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 014 |
| Solids, total suspended | monthly average | ≤ 16523 lb/d | all year | 014 |
| Solids, total suspended | maximum weekly average | ≤ 24785 lb/d | all year | 014 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 014 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 014 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.7 mg/L | May–Nov | 014 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 9.1 mg/L | Jan, Feb, Mar, Apr, Dec | 014 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 7.1 mg/L | May–Nov | 014 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 13.7 mg/L | Jan, Feb, Mar, Apr, Dec | 014 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2589 lb/d | May–Nov | 014 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5012 lb/d | Jan, Feb, Mar, Apr, Dec | 014 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 3910 lb/d | May–Nov | 014 |
| Nitrogen, ammonia total [as N] | maximum weekly average | ≤ 7546 lb/d | Jan, Feb, Mar, Apr, Dec | 014 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | all year | 014 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 014 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Copper, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Copper, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Copper, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Copper, total recoverable | daily maximum | report only (mg/L) | Mar, Jun, Sep, Dec | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Chlorine, total residual | monthly average | < .06 mg/L | Apr–Oct | 014 |
| Chlorine, total residual | daily maximum | < .06 mg/L | Apr–Oct | 014 |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct | 014 |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct | 014 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute (alert, not enforceable) | Jan, Jul | 014 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute (alert, not enforceable) | Feb, Aug | 014 |
| Toxicity [acute], Ceriodaphnia dubia | maximum | ≤ 1 tox acute (alert, not enforceable) | Feb, Aug | 014 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 5.4 tox chronic (alert, not enforceable) | Jan, Jul | 014 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 5.4 tox chronic (alert, not enforceable) | Feb, Aug | 014 |
| Toxicity [chronic], Ceriodaphnia dubia | maximum | ≤ 5.4 tox chronic (alert, not enforceable) | Feb, Aug | 014 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute (alert, not enforceable) | Jan, Jul | 014 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute (alert, not enforceable) | Feb, Aug | 014 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | maximum | ≤ 1 tox acute (alert, not enforceable) | Feb, Aug | 014 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 5.4 tox chronic (alert, not enforceable) | Jan, Jul | 014 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 5.4 toxic (alert, not enforceable) | Feb, Aug | 014 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | maximum | ≤ 5.4 toxic (alert, not enforceable) | Feb, Aug | 014 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year | 014 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 40 mg/L | all year | 014 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 13769 lb/d | all year | 014 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 22031 lb/d | all year | 014 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 014 |
| Duration | monthly total | report only (hr/mo) | all year | 015 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 015 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 015 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 015 |
| Duration | monthly total | report only (hr/mo) | all year | 022 |
| Overflow volume [SS0 volume, CSO volume] | monthly total | report only (Mgal) | all year | 022 |
| Precipitation, monthly accumulation | monthly total | report only (in/mo) | all year | 022 |
| Discharge event observation [Visual Monitoring] | monthly total | report only (#/mo) | all year | 022 |
Cited limits by parameter: Indiana'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/IN0032468 · MCP: https://passage-data.com/mcp