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Industrial Machinery, Henderson, Kentucky. NPDES permit KY0096865 expired Sep 30, 2026; its limits still apply. Last 12 months: over a limit 7 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| November 2025 | 002 | Zinc, total recoverable, daily maximum | .15 mg/L | ≤ .12 mg/L | 25% |
| November 2025 | 007 | Zinc, total recoverable, daily maximum | .19 mg/L | ≤ .12 mg/L | 58% |
| January 2026 | 007 | Solids, total suspended, daily maximum | 71.2 mg/L | ≤ 60 mg/L | 19% |
| January 2026 | 007 | Solids, total suspended, monthly average | 71.2 mg/L | ≤ 30 mg/L | 137% |
| January 2026 | 007 | Zinc, total recoverable, daily maximum | .34 mg/L | ≤ .12 mg/L | 183% |
| April 2026 | 002 | Zinc, total recoverable, daily maximum | .21 mg/L | ≤ .12 mg/L | 75% |
| May 2026 | 002 | Zinc, total recoverable, daily maximum | .14 mg/L | ≤ .12 mg/L | 17% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 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 |
| 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 | ≤ 60 mg/L | all year | 002 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Zinc, total recoverable | daily maximum | ≤ .12 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 | 003 |
| pH | maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 003 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | 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 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 003 |
| Zinc, total recoverable | daily maximum | ≤ .12 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 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 005 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 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 |
| pH | minimum | ≥ 6 SU | all year | 007 |
| pH | maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 007 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 007 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 007 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 007 |
| Zinc, total recoverable | daily maximum | ≤ .12 mg/L | all year | 007 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 007 |
| Copper, total recoverable | daily maximum | report only (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 |
Cited limits by parameter: Kentucky's rules and the federal ones.
Same industry: the 7 Industrial and Commercial Machinery and Computer Equipment permits in Kentucky.
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