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Petroleum Refining, major discharger, Tulsa, Oklahoma. NPDES permit OK0001309, in force until Sep 30, 2031. Last 12 months: over a limit 2 times (last August 2026), 10 required values missing, 4 of 40 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| June 2026 | 003 | pH, minimum | 6.4 SU | ≥ 6.5 SU | — |
| August 2026 | 002 | Solids, total suspended, daily maximum | 410 lb/d | ≤ 385 lb/d | 6% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 22.1 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 39.8 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 280 lb/d | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 505 lb/d | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 154 mg/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 298 mg/L | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 1953 lb/d | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 3774 lb/d | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 17.7 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 27.8 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 225 lb/d | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 352 lb/d | all year | 002 |
| Oil and grease, hexane extr method | monthly average | ≤ 6.44 mg/L | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 12.1 mg/L | all year | 002 |
| Oil and grease, hexane extr method | monthly average | ≤ 81.7 lb/d | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | ≤ 154 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 11.1 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 24.5 mg/L | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 141 lb/d | all year | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 310 lb/d | all year | 002 |
| Sulfide, total [as S] | monthly average | ≤ .11 mg/L | all year | 002 |
| Sulfide, total [as S] | daily maximum | ≤ .24 mg/L | all year | 002 |
| Sulfide, total [as S] | monthly average | ≤ 1.36 lb/d | all year | 002 |
| Sulfide, total [as S] | daily maximum | ≤ 3.05 lb/d | all year | 002 |
| Phenolics, total recoverable | monthly average | ≤ .14 mg/L | all year | 002 |
| Phenolics, total recoverable | daily maximum | ≤ .3 mg/L | all year | 002 |
| Phenolics, total recoverable | monthly average | ≤ 1.83 lb/d | all year | 002 |
| Phenolics, total recoverable | daily maximum | ≤ 3.76 lb/d | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 003 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 15 mg/L | all year | 003 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 2 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 22.1 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 39.8 mg/L | all year | 004 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 280 lb/d | all year | 004 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 505 lb/d | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 154 mg/L | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 298 mg/L | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 1953 lb/d | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 3774 lb/d | all year | 004 |
| pH | minimum | ≥ 6 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 17.7 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 27.8 mg/L | all year | 004 |
| Solids, total suspended | monthly average | ≤ 225 lb/d | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 352 lb/d | all year | 004 |
| Oil and grease, hexane extr method | monthly average | ≤ 6.44 mg/L | all year | 004 |
| Oil and grease, hexane extr method | daily maximum | ≤ 12.1 mg/L | all year | 004 |
| Oil and grease, hexane extr method | monthly average | ≤ 81.7 lb/d | all year | 004 |
| Oil and grease, hexane extr method | daily maximum | ≤ 154 lb/d | all year | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 11.1 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 24.5 mg/L | all year | 004 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 141 lb/d | all year | 004 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 310 lb/d | all year | 004 |
| Sulfide, total [as S] | monthly average | ≤ .11 mg/L | all year | 004 |
| Sulfide, total [as S] | daily maximum | ≤ .24 mg/L | all year | 004 |
| Sulfide, total [as S] | monthly average | ≤ 1.36 lb/d | all year | 004 |
| Sulfide, total [as S] | daily maximum | ≤ 3.05 lb/d | all year | 004 |
| Phenolics, total recoverable | monthly average | ≤ .14 mg/L | all year | 004 |
| Phenolics, total recoverable | daily maximum | ≤ .3 mg/L | all year | 004 |
| Phenolics, total recoverable | monthly average | ≤ 1.83 lb/d | all year | 004 |
| Phenolics, total recoverable | daily maximum | ≤ 3.76 lb/d | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| pH | daily minimum | report only (SU) | all year | TX2 |
| pH | daily maximum | report only (SU) | all year | TX2 |
| Nitrogen, ammonia total [as N] | daily minimum | report only (mg/L) | all year | TX2 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | TX2 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | TX2 |
| Whole Effluent Toxicity [WET] - D. magna | 48-hour minimum | ≥ 100 % | all year | TX2 |
| Solids, total dissolved- 180 deg. C | daily minimum | report only (mg/L) | all year | TX2 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year | TX2 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year | TX2 |
| LC50 Static Renewal 48Hr Acute Daphnia magna | 48-hour minimum | report only (%) | all year | TX2 |
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX2 |
| LF Pass/Fail Static Renewal 48Hr Acute Daphnia magna | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Daphnia Magna % Mortality 48 Hr Acute | 48-hour minimum | report only (%) | all year | TX2 |
| % Mortality Static Renewal 48 Hr Pimephales promelas or use TJA6C | 48-hour minimum | report only (%) | all year | TX2 |
Cited limits by parameter: Oklahoma's rules and the federal ones.
Same industry: the 6 Petroleum Refining and Related Industries permits in Oklahoma.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OK0001309 · MCP: https://passage-data.com/mcp