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Scrap And Waste Materials, Plain City, Ohio. NPDES permit OH0004502, in force until Mar 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Copper, total recoverable | daily maximum | report only (ug/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 |
| Mercury, total low level | monthly average | ≤ 12 ng/L | all year | 001 |
| Mercury, total low level | daily maximum | ≤ 1700 ng/L | all year | 001 |
| Mercury, total low level | monthly average | ≤ .0000017 kg/d | all year | 001 |
| Mercury, total low level | daily maximum | ≤ .00024 kg/d | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 601 |
| pH | daily maximum | ≤ 9 SU | all year | 601 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 601 |
| Solids, total suspended | daily maximum | ≤ 30 mg/L | all year | 601 |
| Solids, total suspended | monthly average | ≤ 1.21 kg/d | all year | 601 |
| Solids, total suspended | daily maximum | ≤ 1.82 kg/d | all year | 601 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ 10 mg/L | all year | 601 |
| Oil and grease [soxhlet extr.] tot. | daily maximum | ≤ .61 kg/d | all year | 601 |
| Cyanide, total [as CN] | monthly average | ≤ .116 mg/L | all year | 601 |
| Cyanide, total [as CN] | daily maximum | ≤ .174 mg/L | all year | 601 |
| Cyanide, total [as CN] | monthly average | ≤ .007 kg/d | all year | 601 |
| Cyanide, total [as CN] | daily maximum | ≤ .01 kg/d | all year | 601 |
| Cadmium, total [as Cd] | monthly average | ≤ 30 ug/L | all year | 601 |
| Cadmium, total [as Cd] | daily maximum | ≤ 45 ug/L | all year | 601 |
| Cadmium, total [as Cd] | monthly average | ≤ .0018 kg/d | all year | 601 |
| Cadmium, total [as Cd] | daily maximum | ≤ .0027 kg/d | all year | 601 |
| Chromium, total [as Cr] | monthly average | ≤ 793 ug/L | all year | 601 |
| Chromium, total [as Cr] | daily maximum | ≤ 1190 ug/L | all year | 601 |
| Chromium, total [as Cr] | monthly average | ≤ .048 kg/d | all year | 601 |
| Chromium, total [as Cr] | daily maximum | ≤ .072 kg/d | all year | 601 |
| Copper, total [as Cu] | monthly average | ≤ 187 ug/L | all year | 601 |
| Copper, total [as Cu] | daily maximum | ≤ 281 ug/L | all year | 601 |
| Copper, total [as Cu] | monthly average | ≤ .011 kg/d | all year | 601 |
| Copper, total [as Cu] | daily maximum | ≤ .017 kg/d | all year | 601 |
| Nickel, total [as Ni] | monthly average | ≤ 357 ug/L | all year | 601 |
| Nickel, total [as Ni] | daily maximum | ≤ 536 ug/L | all year | 601 |
| Nickel, total [as Ni] | monthly average | ≤ .022 kg/d | all year | 601 |
| Nickel, total [as Ni] | daily maximum | ≤ .032 kg/d | all year | 601 |
| Silver, total [as Ag] | monthly average | ≤ 27 ug/L | all year | 601 |
| Silver, total [as Ag] | daily maximum | ≤ 108 ug/L | all year | 601 |
| Silver, total [as Ag] | monthly average | ≤ .0016 kg/d | all year | 601 |
| Silver, total [as Ag] | daily maximum | ≤ .0065 kg/d | all year | 601 |
| Zinc, total [as Zn] | monthly average | ≤ 230 ug/L | all year | 601 |
| Zinc, total [as Zn] | daily maximum | ≤ 345 ug/L | all year | 601 |
| Zinc, total [as Zn] | monthly average | ≤ .014 kg/d | all year | 601 |
| Zinc, total [as Zn] | daily maximum | ≤ .021 kg/d | all year | 601 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | ≤ 144 ug/L | all year | 601 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | ≤ 216 ug/L | all year | 601 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | ≤ .0087 kg/d | all year | 601 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | ≤ .013 kg/d | all year | 601 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 601 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 601 |
| Mercury, total low level | monthly average | report only (ng/L) | all year | 601 |
| Mercury, total low level | daily maximum | report only (ng/L) | all year | 601 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 15 Wholesale Trade — Durable Goods permits in Ohio.
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Your permit document is the final word. As JSON: /api/v1/permits/OH0004502 · MCP: https://passage-data.com/mcp