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Industrial Gases, Washington, West Virginia. NPDES permit WV0001775, in force until Apr 16, 2028. Last 12 months: over a limit 6 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| January 2026 | Chlorine, total residual, daily maximum | 140 ug/L | ≤ 18 ug/L | 678% |
| January 2026 | Chlorine, total residual, monthly average | 140 ug/L | ≤ 9 ug/L | 1456% |
| February 2026 | Temperature, water deg. fahrenheit, daily maximum | 86 deg F | ≤ 73 deg F | 18% |
| February 2026 | Temperature, water deg. fahrenheit, monthly average | 86 deg F | ≤ 63.1 deg F | 36% |
| March 2026 | Temperature, water deg. fahrenheit, daily maximum | 82 deg F | ≤ 73 deg F | 12% |
| March 2026 | Temperature, water deg. fahrenheit, monthly average | 82 deg F | ≤ 63.1 deg F | 30% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 7.25 mg/L | all year | 001 |
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 7.25 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 4 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 4 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 8 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 8 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ .067 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ .067 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ .133 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ .133 lb/d | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | 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 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ .5 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ .5 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 1 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 1 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .017 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .017 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .033 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ .033 lb/d | 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 | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .002 MGD | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | ≤ .002 MGD | all year | 001 |
| Chlorine, total residual | monthly average | ≤ 9 ug/L | all year | 001 |
| Chlorine, total residual | monthly average | ≤ 9 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 18 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 18 ug/L | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 001 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 001 |
| pH | instantaneous minimum | report only (SU) | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 002 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 002 |
| Iron, total recoverable | daily maximum | report only (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 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Dec | 003 |
| Temperature, water deg. fahrenheit | monthly average | ≤ 63.1 deg F | Mar | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | May | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Apr | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Jul | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Sep | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Oct | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Nov | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Jun | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Jan | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | Aug | 003 |
| Temperature, water deg. fahrenheit | monthly average | ≤ 63.1 deg F | Feb | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Dec | 003 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 73 deg F | Mar | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | May | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Apr | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Jul | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Sep | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Oct | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Nov | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Jun | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Jan | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | Aug | 003 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 73 deg F | Feb | 003 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 003 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 003 |
| Temp. diff. between samp. & upstrm deg. F | monthly average | report only (deg F) | all year | 003 |
| Temp. diff. between samp. & upstrm deg. F | daily maximum | report only (deg F) | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 9 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 11 mg/L | all year | 003 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 003 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 003 |
| Oil and grease, hexane extr method | monthly average | ≤ 2.13 lb/d | all year | 003 |
| Oil and grease, hexane extr method | daily maximum | ≤ 4.26 lb/d | all year | 003 |
| Copper, total recoverable | monthly average | ≤ .0082 mg/L | all year | 003 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 003 |
| Copper, total recoverable | daily maximum | ≤ .014 mg/L | all year | 003 |
| Copper, total recoverable | daily maximum | report only (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 | ≤ 9 ug/L | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ 18 ug/L | all year | 003 |
| pH | instantaneous minimum | report only (SU) | all year | 004 |
| pH | instantaneous maximum | report only (SU) | all year | 004 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 004 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 004 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 004 |
| Iron, total recoverable | daily maximum | report only (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 |
| pH | instantaneous minimum | report only (SU) | all year | 005 |
| pH | instantaneous maximum | report only (SU) | all year | 005 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 005 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 005 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 005 |
| Iron, total recoverable | daily maximum | report only (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 |
Cited limits by parameter: West Virginia's rules and the federal ones.
Same industry: the 28 Chemicals and Allied Products permits in West Virginia.
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