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Mobile Home Site Operators, Rolla, Missouri. NPDES permit MO0092789, in force until Jul 31, 2030. Last 12 months: over a limit 13 times (last June 2026), 1 of 3 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 77 | ≤ 45 mg/L | 71% |
| December 2025 | BOD, 5-day, 20 deg. C, weekly average | 77 | ≤ 65 mg/L | 18% |
| December 2025 | E. coli, 30-day geometric mean | 17250 | ≤ 206 #/100mL | 8274% |
| December 2025 | E. coli, daily maximum | 17250 | ≤ 1030 #/100mL | 1575% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 22.4 | ≤ 12.1 mg/L | 85% |
| December 2025 | Nitrogen, ammonia total [as N], monthly average | 22.4 | ≤ 2.9 mg/L | 672% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 61 | ≤ 45 mg/L | 36% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 14.7 | ≤ 12.1 mg/L | 21% |
| March 2026 | Nitrogen, ammonia total [as N], monthly average | 14.7 | ≤ 3.1 mg/L | 374% |
| March 2026 | pH, maximum | 9.28 | ≤ 9 SU | — |
| June 2026 | E. coli, 30-day geometric mean | 1870 | ≤ 206 #/100mL | 808% |
| June 2026 | E. coli, daily maximum | 1870 | ≤ 1030 #/100mL | 82% |
| June 2026 | Nitrogen, ammonia total [as N], monthly average | 8.36 | ≤ 2 mg/L | 318% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | ≤ 65 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 45 mg/L | all year |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | weekly average | ≤ 110 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 70 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Jan–Mar |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Apr–Jun |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Oct–Dec |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Jul–Sep |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.1 mg/L | Jan–Mar |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| E. coli | daily maximum | ≤ 1030 #/100mL | Apr–Dec |
| E. coli | 30-day geometric mean | ≤ 206 #/100mL | Apr–Dec |
Cited limits by parameter: Missouri's rules and the federal ones.
Same industry: the 188 Real Estate permits in Missouri.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MO0092789 · MCP: https://passage-data.com/mcp