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Air Transportation, Scheduled, Mount Pleasant, Pennsylvania. NPDES permit PA0216445, in force until Dec 31, 2030. Last 12 months: over a limit 6 times (last February 2026), 14 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 38 mg/L | ≤ 30 mg/L | 27% |
| January 2026 | Nitrogen, ammonia total [as N], instantaneous maximum | 62.8 mg/L | ≤ 26.8 mg/L | 134% |
| January 2026 | Nitrogen, ammonia total [as N], monthly average | 62.8 mg/L | ≤ 13.4 mg/L | 369% |
| January 2026 | Solids, total suspended, monthly average | 60 mg/L | ≤ 30 mg/L | 100% |
| February 2026 | Nitrogen, ammonia total [as N], instantaneous maximum | 37.8 mg/L | ≤ 26.8 mg/L | 41% |
| February 2026 | Nitrogen, ammonia total [as N], monthly average | 37.8 mg/L | ≤ 13.4 mg/L | 182% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | instantaneous maximum | ≤ 60 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.9 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 13.4 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Nitrogen, ammonia total [as N] | instantaneous maximum | ≤ 9.8 mg/L | May–Oct |
| Nitrogen, ammonia total [as N] | instantaneous maximum | ≤ 26.8 mg/L | Jan, Feb, Mar, Apr, Nov, Dec |
| Flow, in conduit or thru treatment plant | monthly average | ≤ .002 MGD | all year |
| Chlorine, total residual | monthly average | ≤ .35 mg/L | all year |
| Chlorine, total residual | instantaneous maximum | ≤ .8 mg/L | all year |
| E. coli | instantaneous maximum | report only (#/100mL) | all year |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep |
| Coliform, fecal general | geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | May–Sep |
| Coliform, fecal general | instantaneous maximum | ≤ 10000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | instantaneous maximum | ≤ 50 mg/L | all year |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 14 Transportation by Air permits in Pennsylvania.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/PA0216445 · MCP: https://passage-data.com/mcp