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Sewage treatment plant, Wills Point, Texas. NPDES permit TX0020346, in force until Mar 18, 2027. Last 12 months: over a limit 3 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Nitrogen, ammonia total [as N], daily average | 15.5 lb/d | ≤ 13 lb/d | 19% |
| December 2025 | Nitrogen, ammonia total [as N], daily average | 4.93 mg/L | ≤ 2 mg/L | 147% |
| December 2025 | Nitrogen, ammonia total [as N], daily maximum | 24.1 mg/L | ≤ 10 mg/L | 141% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | ≥ 4 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily average | ≤ 15 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | all year |
| Solids, total suspended | daily average | ≤ 100 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily average | ≤ 2 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily average | ≤ 13 lb/d | all year |
| Flow, in conduit or thru treatment plant | daily average | ≤ .8 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| E. coli | daily average | ≤ 126 CFU/100mL | all year |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 67 lb/d | all year |
Cited limits by parameter: Texas's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0020346 · MCP: https://passage-data.com/mcp