Passage Data · Check a report · Use it from your AI
Sewage treatment plant, Henderson County, Texas. NPDES permit TX0074861, in force until Dec 9, 2026. Last 12 months: over a limit 4 times (last July 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| March 2026 | Nitrogen, ammonia total [as N], daily average | 22.85 lb/d | ≤ 13 lb/d | 76% |
| March 2026 | Nitrogen, ammonia total [as N], daily average | 5.89 mg/L | ≤ 2 mg/L | 195% |
| March 2026 | Nitrogen, ammonia total [as N], daily maximum | 23.1 mg/L | ≤ 10 mg/L | 131% |
| July 2026 | E. coli, daily maximum | 551 CFU/100mL | ≤ 399 CFU/100mL | 38% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | ≥ 6 mg/L | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | daily average | ≤ 12 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | all year |
| Solids, total suspended | daily average | ≤ 75 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 |
| Phosphorus, total [as P] | daily average | ≤ 1 mg/L | all year |
| Phosphorus, total [as P] | daily maximum | ≤ 4 mg/L | all year |
| Phosphorus, total [as P] | daily average | ≤ 6.3 lb/d | all year |
| Flow, in conduit or thru treatment plant | daily average | ≤ .75 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 | daily maximum | ≤ 399 CFU/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 5 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 31 lb/d | all year |
Cited limits by parameter: Texas's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0074861 · MCP: https://passage-data.com/mcp