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Sewerage Systems, Calhoun County, Texas. NPDES permit TX0092142, in force until Jan 12, 2031. Last 12 months: over a limit 4 times (last July 2026), 5 of 14 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | Oxygen, dissolved [DO], monthly minimum | 3.5 mg/L | ≥ 4 mg/L | 13% |
| July 2026 | Enterococci, single grab sample | 38.3 CFU/100mL | ≤ 35 CFU/100mL | 9% |
| July 2026 | Nitrogen, ammonia total [as N], daily average | 5.85 mg/L | ≤ 3 mg/L | 95% |
| July 2026 | Nitrogen, ammonia total [as N], single grab sample | 22.7 mg/L | ≤ 15 mg/L | 51% |
| 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 | single grab sample | ≤ 60 mg/L | all year |
| Solids, total suspended | daily average | ≤ 3.1 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily average | ≤ 3 mg/L | all year |
| Nitrogen, ammonia total [as N] | single grab sample | ≤ 15 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily average | ≤ .63 lb/d | all year |
| Flow, in conduit or thru treatment plant | daily average | ≤ .025 MGD | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Chlorine, total residual | monthly minimum | ≥ 1 mg/L | all year |
| Chlorine, total residual | monthly maximum | ≤ 4 mg/L | all year |
| Enterococci | daily average | ≤ 14 CFU/100mL | all year |
| Enterococci | single grab sample | ≤ 35 CFU/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 10 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | single grab sample | ≤ 35 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 2.1 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/TX0092142 · MCP: https://passage-data.com/mcp