Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Azle, Texas. NPDES permit TX0023116, in force until Oct 21, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | ≥ 6 mg/L | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | daily average | ≤ 5 mg/L | May–Sep | 003 |
| Solids, total suspended | daily average | ≤ 12 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Solids, total suspended | daily maximum | ≤ 20 mg/L | May–Sep | 003 |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Solids, total suspended | daily average | ≤ 60 lb/d | May–Sep | 003 |
| Solids, total suspended | daily average | ≤ 144 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 1.8 mg/L | May–Sep | 003 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | May–Sep | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 22 lb/d | May–Sep | 003 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 36 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| Phosphorus, total [as P] | daily average | ≤ 1 mg/L | all year | 003 |
| Phosphorus, total [as P] | daily maximum | ≤ 4 mg/L | all year | 003 |
| Phosphorus, total [as P] | daily average | ≤ 12 lb/d | all year | 003 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | 2-hour peak | ≤ 1458 gal/min | all year | 003 |
| Flow, in conduit or thru treatment plant | annual average | ≤ 1.44 MGD | all year | 003 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year | 003 |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 7 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 5 mg/L | May–Sep | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 22 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | May–Sep | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 84 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 60 lb/d | May–Sep | 003 |
| Oxygen, dissolved [DO] | monthly minimum | ≥ 6 mg/L | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | daily average | ≤ 5 mg/L | May–Sep | 004 |
| Solids, total suspended | daily average | ≤ 12 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| Solids, total suspended | daily maximum | ≤ 20 mg/L | May–Sep | 004 |
| Solids, total suspended | daily maximum | ≤ 40 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| Solids, total suspended | daily average | ≤ 42 lb/d | May–Sep | 004 |
| Solids, total suspended | daily average | ≤ 101 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 1.8 mg/L | May–Sep | 004 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 3 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | May–Sep | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 15 lb/d | May–Sep | 004 |
| Nitrogen, ammonia total [as N] | daily average | ≤ 25 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| Phosphorus, total [as P] | daily average | ≤ 1 mg/L | all year | 004 |
| Phosphorus, total [as P] | daily maximum | ≤ 4 mg/L | all year | 004 |
| Phosphorus, total [as P] | daily average | ≤ 8.4 lb/d | all year | 004 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | 2-hour peak | ≤ 4237 gal/min | all year | 004 |
| Flow, in conduit or thru treatment plant | annual average | ≤ 1.01 MGD | all year | 004 |
| E. coli | daily average | ≤ 126 CFU/100mL | all year | 004 |
| E. coli | daily maximum | ≤ 399 CFU/100mL | all year | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 7 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 5 mg/L | May–Sep | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 22 mg/L | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 20 mg/L | May–Sep | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 59 lb/d | Jan, Feb, Mar, Apr, Oct, Nov, Dec | 004 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 42 lb/d | May–Sep | 004 |
| Flow, in conduit or thru treatment plant | annual average | ≤ 2.45 MGD | all year | 101 |
| Flow, in conduit or thru treatment plant | 2-hour peak | ≤ 5695 gal/min | all year | 101 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #1 | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX3 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX3 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX3 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXC |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXC |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXC |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXC |
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/TX0023116 · MCP: https://passage-data.com/mcp