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Heavy Construction, Reading, Ohio. NPDES permit OHD000002, in force until Feb 28, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen demand, chem. [low level] [COD] | monthly average | report only (mg/L) | all year |
| Oxygen demand, chem. [low level] [COD] | daily maximum | report only (mg/L) | all year |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | all year |
| Fluoride, total [as F] | monthly average | report only (mg/L) | all year |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | all year |
| Iron, total recoverable | monthly average | report only (ug/L) | all year |
| Iron, total recoverable | daily maximum | report only (ug/L) | all year |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year |
| Zinc, total recoverable | daily maximum | report only (ug/L) | all year |
| 1,2-Dichloroethane | monthly average | ≤ 5 ug/L | all year |
| 1,2-Dichloroethane | daily maximum | ≤ 10 ug/L | all year |
| 1,2-Dichloroethane | monthly average | ≤ .012 kg/d | all year |
| 1,2-Dichloroethane | daily maximum | ≤ .025 kg/d | all year |
| Chloroform | monthly average | ≤ 5 ug/L | all year |
| Chloroform | daily maximum | ≤ 10 ug/L | all year |
| Chloroform | monthly average | ≤ .012 kg/d | all year |
| Chloroform | daily maximum | ≤ .025 kg/d | all year |
| Toluene | monthly average | ≤ 5 ug/L | all year |
| Toluene | daily maximum | ≤ 10 ug/L | all year |
| Toluene | monthly average | ≤ .012 kg/d | all year |
| Toluene | daily maximum | ≤ .025 kg/d | all year |
| Benzene | monthly average | ≤ 5 ug/L | all year |
| Benzene | daily maximum | ≤ 10 ug/L | all year |
| Benzene | monthly average | ≤ .012 kg/d | all year |
| Benzene | daily maximum | ≤ .025 kg/d | all year |
| Chlorobenzene | monthly average | ≤ 5 ug/L | all year |
| Chlorobenzene | daily maximum | ≤ 10 ug/L | all year |
| Chlorobenzene | monthly average | ≤ .012 kg/d | all year |
| Chlorobenzene | daily maximum | ≤ .025 kg/d | all year |
| Ethylbenzene | monthly average | ≤ 5 ug/L | all year |
| Ethylbenzene | daily maximum | ≤ 10 ug/L | all year |
| Ethylbenzene | monthly average | ≤ .012 kg/d | all year |
| Ethylbenzene | daily maximum | ≤ .025 kg/d | all year |
| Methylene chloride | monthly average | ≤ 5 ug/L | all year |
| Methylene chloride | daily maximum | ≤ 10 ug/L | all year |
| Methylene chloride | monthly average | ≤ .012 kg/d | all year |
| Methylene chloride | daily maximum | ≤ .025 kg/d | all year |
| Tetrachloroethylene | monthly average | ≤ 5 ug/L | all year |
| Tetrachloroethylene | daily maximum | ≤ 10 ug/L | all year |
| Tetrachloroethylene | monthly average | ≤ .012 kg/d | all year |
| Tetrachloroethylene | daily maximum | ≤ .025 kg/d | all year |
| 1,1-Dichloroethylene | monthly average | ≤ 5 ug/L | all year |
| 1,1-Dichloroethylene | daily maximum | ≤ 10 ug/L | all year |
| 1,1-Dichloroethylene | monthly average | ≤ .012 kg/d | all year |
| 1,1-Dichloroethylene | daily maximum | ≤ .025 kg/d | all year |
| 1,1,1-Trichloroethane | monthly average | ≤ 5 ug/L | all year |
| 1,1,1-Trichloroethane | daily maximum | ≤ 10 ug/L | all year |
| 1,1,1-Trichloroethane | monthly average | ≤ .012 kg/d | all year |
| 1,1,1-Trichloroethane | daily maximum | ≤ .025 kg/d | all year |
| 1,1,2-Trichloroethane | monthly average | ≤ 5 ug/L | all year |
| 1,1,2-Trichloroethane | daily maximum | ≤ 10 ug/L | all year |
| 1,1,2-Trichloroethane | monthly average | ≤ .012 kg/d | all year |
| 1,1,2-Trichloroethane | daily maximum | ≤ .025 kg/d | all year |
| 1,2-Dichlorobenzene | monthly average | ≤ 5 ug/L | all year |
| 1,2-Dichlorobenzene | daily maximum | ≤ 10 ug/L | all year |
| 1,2-Dichlorobenzene | monthly average | ≤ .012 kg/d | all year |
| 1,2-Dichlorobenzene | daily maximum | ≤ .025 kg/d | all year |
| trans-1,2-Dichloroethylene | monthly average | ≤ 5 ug/L | all year |
| trans-1,2-Dichloroethylene | daily maximum | ≤ 10 ug/L | all year |
| trans-1,2-Dichloroethylene | monthly average | ≤ .012 kg/d | all year |
| trans-1,2-Dichloroethylene | daily maximum | ≤ .025 kg/d | all year |
| Vinyl chloride | monthly average | ≤ 5 ug/L | all year |
| Vinyl chloride | daily maximum | ≤ 10 ug/L | all year |
| Vinyl chloride | monthly average | ≤ .012 kg/d | all year |
| Vinyl chloride | daily maximum | ≤ .025 kg/d | all year |
| Trichloroethylene | monthly average | ≤ 5 ug/L | all year |
| Trichloroethylene | daily maximum | ≤ 10 ug/L | all year |
| Trichloroethylene | monthly average | ≤ .012 kg/d | all year |
| Trichloroethylene | daily maximum | ≤ .025 kg/d | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Mercury, total low level | monthly average | ≤ 160 ng/L | all year |
| Mercury, total low level | daily maximum | ≤ 2200 ng/L | all year |
| Mercury, total low level | monthly average | ≤ .00039 kg/d | all year |
| Mercury, total low level | daily maximum | ≤ .0054 kg/d | all year |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | Sep |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | report only (tox acute) | Sep |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | Sep |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox acute) | Sep |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | all year |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | all year |
| Styrene, total | monthly average | ≤ 5 ug/L | all year |
| Styrene, total | daily maximum | ≤ 10 ug/L | all year |
| Styrene, total | monthly average | ≤ .012 kg/d | all year |
| Styrene, total | daily maximum | ≤ .025 kg/d | all year |
| Xylene [mix of m+o+p] | monthly average | ≤ 5 ug/L | all year |
| Xylene [mix of m+o+p] | daily maximum | ≤ 10 ug/L | all year |
| Xylene [mix of m+o+p] | monthly average | ≤ .012 kg/d | all year |
| Xylene [mix of m+o+p] | daily maximum | ≤ .025 kg/d | all year |
| Methyl ethyl ketone | monthly average | ≤ 100 ug/L | all year |
| Methyl ethyl ketone | daily maximum | ≤ 200 ug/L | all year |
| Methyl ethyl ketone | monthly average | ≤ .25 kg/d | all year |
| Methyl ethyl ketone | daily maximum | ≤ .49 kg/d | all year |
Cited limits by parameter: Ohio's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OHD000002 · MCP: https://passage-data.com/mcp