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Heavy Construction, Hinton, West Virginia. NPDES permit WV0117862, in force until Mar 22, 2027. Last 12 months: no values over a limit, 7 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | ≤ 85.5 deg F | May–Nov |
| Temperature, water deg. fahrenheit | monthly average | ≤ 101.3 deg F | Jan, Feb, Mar, Apr, Dec |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 98.9 deg F | May–Nov |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 117.3 deg F | Jan, Feb, Mar, Apr, Dec |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year |
| Temp. diff. between samp. & upstrm deg. F | monthly average | report only (deg F) | all year |
| Temp. diff. between samp. & upstrm deg. F | daily maximum | ≤ 15 deg F | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 50 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 7.65 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.3 mg/L | all year |
| Chloride [as Cl] | monthly average | ≤ 923 mg/L | all year |
| Chloride [as Cl] | daily maximum | ≤ 1852 mg/L | all year |
| Fluoride, total [as F] | monthly average | ≤ 19.6 mg/L | all year |
| Fluoride, total [as F] | daily maximum | ≤ 28.6 mg/L | all year |
| Arsenic, total recoverable | monthly average | ≤ .133 mg/L | all year |
| Arsenic, total recoverable | daily maximum | ≤ .193 mg/L | all year |
| Iron, total recoverable | monthly average | ≤ 5.32 mg/L | all year |
| Iron, total recoverable | daily maximum | ≤ 10.7 mg/L | all year |
| Selenium, total recoverable | monthly average | ≤ .0164 mg/L | all year |
| Selenium, total recoverable | daily maximum | ≤ .0329 mg/L | all year |
| Beryllium, total recoverable [as Be] | monthly average | ≤ .0565 mg/L | all year |
| Beryllium, total recoverable [as Be] | daily maximum | ≤ .0824 mg/L | all year |
| Barium, total [as Ba] | monthly average | ≤ 14.6 mg/L | all year |
| Barium, total [as Ba] | daily maximum | ≤ 21.2 mg/L | all year |
| Chromium, hexavalent [as Cr] | monthly average | ≤ .0227 mg/L | all year |
| Chromium, hexavalent [as Cr] | daily maximum | ≤ .0455 mg/L | all year |
| Chromium, trivalent [as Cr] | monthly average | ≤ .262 mg/L | all year |
| Chromium, trivalent [as Cr] | daily maximum | ≤ .525 mg/L | all year |
| Thallium, total [as Tl] | monthly average | ≤ .022 mg/L | all year |
| Thallium, total [as Tl] | daily maximum | ≤ .032 mg/L | all year |
| Nickel, total recoverable | monthly average | ≤ .155 mg/L | all year |
| Nickel, total recoverable | daily maximum | ≤ .311 mg/L | all year |
| Silver total recoverable | monthly average | ≤ .002 mg/L | all year |
| Silver total recoverable | daily maximum | ≤ .004 mg/L | all year |
| Aluminum, total recoverable | monthly average | ≤ .974 mg/L | all year |
| Aluminum, total recoverable | daily maximum | ≤ 1.953 mg/L | all year |
| Cadmium, total recoverable | monthly average | ≤ .0005 mg/L | all year |
| Cadmium, total recoverable | daily maximum | ≤ .0011 mg/L | all year |
| Lead, total recoverable | monthly average | ≤ .0045 mg/L | all year |
| Lead, total recoverable | daily maximum | ≤ .009 mg/L | all year |
| Copper, total recoverable | monthly average | ≤ .0139 mg/L | all year |
| Copper, total recoverable | daily maximum | ≤ .0278 mg/L | all year |
| Benzo[b]fluoranthene | monthly average | ≤ 51.7 ng/L | all year |
| Benzo[b]fluoranthene | daily maximum | ≤ 75.4 ng/L | all year |
| Benzo[k]fluoranthene | monthly average | ≤ 51.7 ng/L | all year |
| Benzo[k]fluoranthene | daily maximum | ≤ 75.4 ng/L | all year |
| Benzo[a]pyrene | monthly average | ≤ 51.7 ng/L | all year |
| Benzo[a]pyrene | daily maximum | ≤ 75.4 ng/L | all year |
| Chrysene | monthly average | ≤ 51.7 ng/L | all year |
| Chrysene | daily maximum | ≤ 75.4 ng/L | all year |
| Indeno[1,2,3-cd]pyrene | monthly average | ≤ 51.7 ng/L | all year |
| Indeno[1,2,3-cd]pyrene | daily maximum | ≤ 75.4 ng/L | all year |
| Benzo[a]anthracene | monthly average | ≤ 51.7 ng/L | all year |
| Benzo[a]anthracene | daily maximum | ≤ 75.4 ng/L | all year |
| Dibenz[a,h]anthracene | monthly average | ≤ 51.7 ng/L | all year |
| Dibenz[a,h]anthracene | daily maximum | ≤ 75.4 ng/L | 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 [as Hg] | monthly average | ≤ .000041 ug/L | all year |
| Mercury, total [as Hg] | daily maximum | ≤ .000082 ug/L | all year |
| Chemical Oxygen Demand [COD] | monthly average | report only (mg/L) | all year |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year |
Cited limits by parameter: West Virginia's rules and the federal ones.
Same industry: the 3 Heavy Construction permits in West Virginia.
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On EPA ECHO: Facility report · DMR history
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