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Fabricated Plate Work (Boiler Shops), Mount Vernon, Indiana. NPDES permit IN0002895, in force until May 31, 2027. Last 12 months: over a limit 2 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| May 2026 | E. coli, colony forming units [CFU], daily maximum | 980.4 CFU/100mL | ≤ 235 CFU/100mL | 317% |
| May 2026 | E. coli, colony forming units [CFU], monthly geometric mean | 490.7 CFU/100mL | ≤ 125 CFU/100mL | 293% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Oil and grease, hexane extr method | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total recoverable | monthly average | ≤ 71 ug/L | all year | 001 |
| Nickel, total recoverable | daily maximum | ≤ 164 ug/L | all year | 001 |
| Chromium, total recoverable | monthly average | ≤ 204 ug/L | all year | 001 |
| Chromium, total recoverable | daily maximum | ≤ 474 ug/L | 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 | < .06 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 001 |
| Nitrogen, nitrate total [as NO3] | monthly average | ≤ 60 mg/L | all year | 001 |
| Nitrogen, nitrate total [as NO3] | daily maximum | ≤ 150 mg/L | all year | 001 |
| Nitrogen, nitrite total [as NO2] | monthly average | ≤ 3.5 mg/L | all year | 001 |
| Nitrogen, nitrite total [as NO2] | daily maximum | ≤ 8.2 mg/L | all year | 001 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 001 |
| Oxygen, dissolved [DO] | daily average minimum | ≥ 6 mg/L | May–Nov | 002 |
| Oxygen, dissolved [DO] | daily average minimum | ≥ 5 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 18 mg/L | May–Nov | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| Solids, total suspended | daily maximum | ≤ 36 mg/L | May–Nov | 002 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| Chlorine, total residual | monthly average | < .06 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | < .06 mg/L | all year | 002 |
| E. coli, colony forming units [CFU] | monthly geometric mean | ≤ 125 CFU/100mL | Apr–Oct | 002 |
| E. coli, colony forming units [CFU] | daily maximum | ≤ 235 CFU/100mL | Apr–Oct | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | May–Nov | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 50 mg/L | Jan, Feb, Mar, Apr, Dec | 002 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 30 mg/L | May–Nov | 002 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 002 |
Cited limits by parameter: Indiana's rules and the federal ones.
Same industry: the 39 Fabricated Metal Products permits in Indiana.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IN0002895 · MCP: https://passage-data.com/mcp