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Natural Gas Liquids, Kingsville, Texas. NPDES permit TX0030279, in force until Jul 31, 2028. Last 12 months: over a limit once (last June 2026), 4 required values missing, 3 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit |
|---|---|---|---|
| June 2026 | pH, maximum | 9.06 SU | ≤ 9 SU |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | monthly minimum | ≥ 4 mg/L | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 75 mg/L | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily average | report only (mg/L) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily average | report only (lb/d) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | ≤ 1.475 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ 2.7 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .011 mg/L | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily average | ≤ 3 mg/L | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily average | ≤ 36.9 lb/d | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily maximum | ≤ 123 lb/d | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia [NH3-N] | daily maximum | report only (lb/d) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 20 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 30 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | ≤ 246 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 369 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily average | report only (lb/d) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (lb/d) | all year | 001 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 100 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - C. dubia | monthly average minimum | ≥ 100 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - C. dubia | 7-day minimum | ≥ 80 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - C. dubia | monthly average minimum | ≥ 80 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - P. promelas | 7-day minimum | ≥ 100 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - P. promelas | monthly average minimum | ≥ 100 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - P. promelas | 7-day minimum | ≥ 80 % | all year | TX1 |
| Whole Effluent Toxicity [WET] - P. promelas | monthly average minimum | ≥ 80 % | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 7-day minimum | report only (pass=0;fail=1) | all year | TX1 |
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | monthly average minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 7-day minimum | report only (%) | all year | TX1 |
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | monthly average minimum | report only (%) | all year | TX1 |
| Whole effluent toxicity - retest #1 | single sample | report only (pass=0;fail=1) | all year | TXA |
| Whole effluent toxicity - retest #2 | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | single sample | report only (pass=0;fail=1) | all year | TXA |
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | single sample | report only (pass=0;fail=1) | all year | TXA |
Cited limits by parameter: Texas's rules and the federal ones.
Same industry: the 30 Oil and Gas Extraction permits in Texas.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/TX0030279 · MCP: https://passage-data.com/mcp