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Industrial Inorganic Chemicals, Bethlehem, Pennsylvania. NPDES permit PA0028495, in force until Oct 31, 2030. Last 12 months: no values over a limit, 22 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | Feb | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | Dec | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | Mar | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | Jan | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 88 deg F | Jul | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | Apr | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 63 deg F | Oct | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 67 deg F | Oct | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 84 deg F | Aug | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 110 deg F | Apr | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 71 deg F | Sep | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 96 deg F | Jun | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 84 deg F | Aug | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 108 deg F | May | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 104 deg F | May | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 72 deg F | Nov | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 62 deg F | Nov | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 77 deg F | Sep | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 92 deg F | Jun | 001 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 001 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (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 | daily maximum | report only (MGD) | all year | 001 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 002 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 003 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 003 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 003 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 003 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 003 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 003 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 004 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 004 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 004 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 005 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 005 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 005 |
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 006 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 006 |
| Oil & Grease | instantaneous maximum | ≤ 30 mg/L | all year | 006 |
| Nitrogen, total [as N] | instantaneous maximum | report only (mg/L) | all year | 006 |
| Nitrite + Nitrate total [as N] | instantaneous maximum | report only (mg/L) | all year | 006 |
| Phosphorus, total [as P] | instantaneous maximum | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 006 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | instantaneous maximum | report only (mg/L) | all year | 006 |
| Aluminum, total [as Al] | instantaneous maximum | report only (mg/L) | all year | 006 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit, daily maximum | 52.4 deg F (Feb) | tighter | — | — |
| Temperature, water deg. fahrenheit, daily maximum | 68.1 deg F (Jun) | tighter | — | — |
| Temperature, water deg. fahrenheit, daily maximum | 72.9 deg F (Aug) | tighter | — | — |
| Temperature, water deg. fahrenheit, daily maximum | 56.5 deg F (Dec) | tighter | — | — |
| Temperature, water deg. fahrenheit, daily maximum | 53.6 deg F (Oct) | tighter | — | — |
| Temperature, water deg. fahrenheit, daily maximum | 55.6 deg F (Jan) | tighter | — | — |
| Temperature, water deg. fahrenheit, daily maximum | 46.4 deg F (Nov) | tighter | — | — |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 66 Chemicals and Allied Products permits in Pennsylvania.
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