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Petroleum Refining, major discharger, Catlettsburg, Kentucky. NPDES permit KY0000388, in force until Dec 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 6847 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 12890 lb/d | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 5652 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 8923 lb/d | all year | 001 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | monthly average | ≤ 2136 lb/d | all year | 001 |
| Oil & Grease | daily maximum | ≤ 4008 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2496 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5451 lb/d | all year | 001 |
| Sulfide, total [as S] | monthly average | report only (mg/L) | all year | 001 |
| Sulfide, total [as S] | daily maximum | report only (mg/L) | all year | 001 |
| Sulfide, total [as S] | monthly average | ≤ 36.8 lb/d | all year | 001 |
| Sulfide, total [as S] | daily maximum | ≤ 81.4 lb/d | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | monthly average | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | monthly average | ≤ 2.02 lb/d | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ 4.54 lb/d | all year | 001 |
| Chromium, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total recoverable | monthly average | ≤ 24.1 lb/d | all year | 001 |
| Chromium, total recoverable | daily maximum | ≤ 69.3 lb/d | all year | 001 |
| Phenolics, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Phenolics, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Phenolics, total recoverable | monthly average | ≤ 20.6 lb/d | all year | 001 |
| Phenolics, total recoverable | daily maximum | ≤ 83.5 lb/d | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Toxicity, final conc toxicity units | maximum | ≤ 1 tox acute | all year | 001 |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | all year | 001 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 001 |
| Chemical Oxygen Demand [COD] | monthly average | ≤ 46753 lb/d | all year | 001 |
| Chemical Oxygen Demand [COD] | daily maximum | ≤ 90879 lb/d | all year | 001 |
| pH | minimum | ≥ 6 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 002 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Iron, total recoverable | daily maximum | report only (mg/L) | 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 SU | all year | 004 |
| pH | maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 004 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 004 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 004 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | 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 | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 005 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 006 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 006 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 006 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 006 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 007 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| pH | minimum | ≥ 6 SU | all year | 015 |
| pH | maximum | ≤ 9 SU | all year | 015 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 015 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 015 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 015 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 015 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 015 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 015 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 015 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 015 |
| pH | minimum | ≥ 6 SU | all year | 021 |
| pH | maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 021 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 021 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 021 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 021 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 021 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 021 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 021 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 021 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 021 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 021 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 021 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 021 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
| pH | minimum | ≥ 6 SU | all year | 022 |
| pH | maximum | ≤ 9 SU | all year | 022 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 022 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 022 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 022 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 022 |
| Carbon, tot organic [TOC] | monthly average minimum | report only (mg/L) | all year | 022 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 022 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 022 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 022 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 022 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 022 |
| pH | minimum | ≥ 6 SU | all year | 023 |
| pH | maximum | ≤ 9 SU | all year | 023 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 023 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 023 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 023 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 023 |
| Carbon, tot organic [TOC] | monthly average minimum | report only (mg/L) | all year | 023 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 023 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 023 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 023 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 023 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 023 |
| pH | minimum | ≥ 6 SU | all year | 025 |
| pH | maximum | ≤ 9 SU | all year | 025 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 025 |
| Solids, total suspended | daily maximum | ≤ 50 mg/L | all year | 025 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 025 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 025 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 025 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 025 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 025 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 025 |
| pH | minimum | ≥ 6 SU | all year | 027 |
| pH | maximum | ≤ 9 SU | all year | 027 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 027 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 027 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 027 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 027 |
| Carbon, tot organic [TOC] | monthly average minimum | report only (mg/L) | all year | 027 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 110 mg/L | all year | 027 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 027 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 027 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 027 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 027 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 028 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 028 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 028 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 028 |
| Cooling Water Intake Inspection | maximum | report only (pass=0;fail=1) | all year | 028 |
Cited limits by parameter: Kentucky's rules and the federal ones.
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