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Sewerage Systems, Giddings, Texas. NPDES permit TX0143090, in force until Apr 24, 2028. Last 12 months: over a limit 9 times (last April 2026), 1 of 16 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Phosphorus, total [as P], daily average | .195 lb/d | ≤ .17 lb/d | 15% |
| October 2025 | Phosphorus, total [as P], daily average | 1.48 mg/L | ≤ 1 mg/L | 48% |
| January 2026 | Solids, total suspended, daily average | 22.25 mg/L | ≤ 15 mg/L | 48% |
| January 2026 | Solids, total suspended, daily average | 3.7 lb/d | ≤ 2.5 lb/d | 48% |
| February 2026 | Solids, total suspended, daily average | 16 mg/L | ≤ 15 mg/L | 7% |
| February 2026 | Solids, total suspended, daily average | 2.6 lb/d | ≤ 2.5 lb/d | 4% |
| March 2026 | Solids, total suspended, daily average | 15.4 mg/L | ≤ 15 mg/L | 3% |
| April 2026 | Solids, total suspended, daily average | 2.78 lb/d | ≤ 2.5 lb/d | 11% |
| April 2026 | Solids, total suspended, daily average | 22.25 mg/L | ≤ 15 mg/L | 48% |
| 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 | ≤ 2.5 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 | ≤ .5 lb/d | all year |
| Phosphorus, total [as P] | daily average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | single grab sample | ≤ 6 mg/L | all year |
| Phosphorus, total [as P] | daily average | ≤ .17 lb/d | all year |
| Flow, in conduit or thru treatment plant | daily average | ≤ .02 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 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year |
| E. coli | single grab sample | ≤ 399 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 | ≤ 1.7 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/TX0143090 · MCP: https://passage-data.com/mcp