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Electric Services, major discharger, Harrodsburg, Kentucky. NPDES permit KY0002020, in force until Jun 30, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | 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 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | all year | 003 |
| pH | minimum | ≥ 6 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | monthly average | ≤ .2 mg/L | all year | 003 |
| Chromium, total [as Cr] | daily maximum | ≤ .2 mg/L | all year | 003 |
| Zinc, total [as Zn] | monthly average | ≤ .175 mg/L | all year | 003 |
| Zinc, total [as Zn] | daily maximum | ≤ .175 mg/L | all year | 003 |
| Oxidants, total residual | monthly average | report only (mg/L) | all year | 003 |
| Oxidants, total residual | daily maximum | ≤ .2 mg/L | all year | 003 |
| Priority Pollutants | monthly average | ≤ 0 mg/L | all year | 003 |
| Priority Pollutants | daily maximum | ≤ 0 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 |
| Chlorine, total residual | monthly average | report only (mg/L) | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 003 |
| Chlorine, free available | monthly average | ≤ .2 mg/L | all year | 003 |
| Chlorine, free available | daily maximum | ≤ .5 mg/L | all year | 003 |
| Duration of Oxidant Addition | daily maximum | ≤ 120 min/d | all year | 003 |
| Iron, total recoverable | monthly average | ≤ 1 mg/L | all year | 004 |
| Iron, total recoverable | daily maximum | ≤ 1 mg/L | all year | 004 |
| Copper, total recoverable | monthly average | ≤ 1 mg/L | all year | 004 |
| Copper, total recoverable | daily maximum | ≤ 1 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 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 005 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | 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 |
| Cooling Water Intake Inspection | maximum | report only (pass=0;fail=1) | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 006 |
| pH | maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 006 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 89.4 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 91.6 mg/L | all year | 006 |
| Oil & Grease | monthly average | ≤ 13.5 mg/L | all year | 006 |
| Oil & Grease | monthly average | ≤ 13.8 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 17.7 mg/L | all year | 006 |
| Oil & Grease | daily maximum | ≤ 18.7 mg/L | all year | 006 |
| Selenium, total recoverable | monthly average | ≤ .127 mg/L | all year | 006 |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 006 |
| Selenium, dry weight | maximum | ≤ 8.6 mg/kg | 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 |
| Flow, process wastewater | daily maximum | ≤ 33339 gal/d | all year | 006 |
| Toxicity, Acute | maximum | ≤ 1 tox acute | all year | 006 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 006A |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 006A |
| Arsenic, total recoverable | monthly average | ≤ 1.03 mg/L | all year | 006A |
| Arsenic, total recoverable | daily maximum | ≤ 1.03 mg/L | all year | 006A |
| Iron, total recoverable | monthly average | ≤ 12.2 mg/L | all year | 006A |
| Iron, total recoverable | daily maximum | ≤ 12.2 mg/L | all year | 006A |
| Selenium, total recoverable | monthly average | report only (mg/L) | all year | 006A |
| Selenium, total recoverable | daily maximum | report only (mg/L) | all year | 006A |
| Thallium, total recoverable | monthly average | ≤ .011 mg/L | all year | 006A |
| Thallium, total recoverable | daily maximum | report only (mg/L) | all year | 006A |
| Beryllium, total recoverable [as Be] | monthly average | ≤ .24 mg/L | all year | 006A |
| Beryllium, total recoverable [as Be] | daily maximum | report only (mg/L) | all year | 006A |
| Nickel, total recoverable | monthly average | ≤ 2.04 mg/L | all year | 006A |
| Nickel, total recoverable | daily maximum | ≤ 3.4 mg/L | all year | 006A |
| Silver total recoverable | monthly average | report only (mg/L) | all year | 006A |
| Silver total recoverable | daily maximum | ≤ .049 mg/L | all year | 006A |
| Zinc, total recoverable | monthly average | ≤ .859 mg/L | all year | 006A |
| Zinc, total recoverable | daily maximum | ≤ .859 mg/L | all year | 006A |
| Cadmium, total recoverable | monthly average | ≤ .015 mg/L | all year | 006A |
| Cadmium, total recoverable | daily maximum | ≤ .015 mg/L | all year | 006A |
| Lead, total recoverable | monthly average | ≤ .15 mg/L | all year | 006A |
| Lead, total recoverable | daily maximum | ≤ .916 mg/L | all year | 006A |
| Chromium, total recoverable | monthly average | ≤ 6 mg/L | all year | 006A |
| Chromium, total recoverable | daily maximum | report only (mg/L) | all year | 006A |
| Copper, total recoverable | monthly average | ≤ .106 mg/L | all year | 006A |
| Copper, total recoverable | daily maximum | ≤ .106 mg/L | all year | 006A |
| Antimony, total recoverable | monthly average | ≤ .336 mg/L | all year | 006A |
| Antimony, total recoverable | daily maximum | report only (mg/L) | all year | 006A |
| Mercury, total recoverable | monthly average | ≤ .000046 mg/g | all year | 006A |
| Mercury, total recoverable | daily maximum | ≤ .0013 mg/g | all year | 006A |
| Toxicity, Acute | maximum | report only (tox acute) | all year | 006A |
| pH | minimum | ≥ 6 SU | all year | 008 |
| pH | daily maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| pH | minimum | ≥ 6 SU | all year | 009 |
| pH | daily maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Oil & Grease | monthly average | report only (mg/L) | all year | 009 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
Cited limits by parameter: Kentucky's rules and the federal ones.
Same industry: the 29 Electric Services permits in Kentucky.
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