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Primary Metal Products, major discharger, Johnstown, Pennsylvania. NPDES permit PA0110591, in force until Aug 31, 2027. Last 12 months: no values over a limit, 68 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | quarterly average | report only (mg/L) | all year | 001 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | quarterly average | ≤ 1.5 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | quarterly average | report only (lb/d) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 001 |
| Lead, total [as Pb] | quarterly average | report only (mg/L) | all year | 001 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | quarterly average | ≤ 1 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Manganese, total [as Mn] | quarterly average | report only (lb/d) | all year | 001 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 001 |
| Nickel, total [as Ni] | quarterly average | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | quarterly average | ≤ .75 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 001 |
| Aluminum, total [as Al] | quarterly 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 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Chromium, total [as Cr] | quarterly average | report only (mg/L) | all year | 002 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | quarterly average | ≤ 1.5 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | quarterly average | report only (lb/d) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 002 |
| Manganese, total [as Mn] | quarterly average | ≤ 1 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Manganese, total [as Mn] | quarterly average | report only (lb/d) | all year | 002 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 002 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | quarterly average | ≤ .75 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 002 |
| Aluminum, total [as Al] | quarterly average | report only (lb/d) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | 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 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | quarterly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | quarterly average | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | quarterly average | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 003 |
| Iron, total [as Fe] | quarterly average | ≤ 1.5 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 003 |
| Iron, total [as Fe] | quarterly average | report only (lb/d) | all year | 003 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 003 |
| Manganese, total [as Mn] | quarterly average | ≤ 1 mg/L | all year | 003 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Manganese, total [as Mn] | quarterly average | report only (lb/d) | all year | 003 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 003 |
| Zinc, total [as Zn] | quarterly average | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 003 |
| Aluminum, total [as Al] | quarterly average | ≤ .75 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 003 |
| Aluminum, total [as Al] | quarterly average | report only (lb/d) | all year | 003 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | 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 |
| pH | daily maximum | report only (SU) | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 004 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 004 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 004 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 004 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 004 |
| Manganese, total [as Mn] | quarterly average | report only (mg/L) | all year | 004 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 004 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 004 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | quarterly average | report only (mg/L) | all year | 004 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 004 |
| Iron [total] | annual total | ≤ 65 lb | all year | 004 |
| Iron [total] | quarterly total | report only (lb) | all year | 004 |
| Manganese [total] | annual total | ≤ 43 lb | all year | 004 |
| Manganese [total] | quarterly total | report only (lb) | all year | 004 |
| Aluminum [total] | annual total | ≤ 33 lb | all year | 004 |
| Aluminum [total] | quarterly total | report only (lb) | all year | 004 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| pH | daily maximum | report only (SU) | all year | 005 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 005 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 005 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 005 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 005 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 005 |
| Manganese, total [as Mn] | quarterly average | report only (mg/L) | all year | 005 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 005 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 005 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 005 |
| Aluminum, total [as Al] | quarterly average | report only (mg/L) | all year | 005 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 005 |
| Iron [total] | quarterly total | report only (lb) | all year | 005 |
| Manganese [total] | quarterly total | report only (lb) | all year | 005 |
| Aluminum [total] | quarterly total | report only (lb) | all year | 005 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| pH | daily maximum | report only (SU) | all year | 006 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 006 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 006 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 006 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 006 |
| Manganese, total [as Mn] | quarterly average | report only (mg/L) | all year | 006 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 006 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 006 |
| Aluminum, total [as Al] | quarterly average | report only (mg/L) | all year | 006 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 006 |
| Iron [total] | quarterly total | report only (lb) | all year | 006 |
| Manganese [total] | quarterly total | report only (lb) | all year | 006 |
| Aluminum [total] | quarterly total | report only (lb) | all year | 006 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| pH | daily maximum | report only (SU) | all year | 007 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 007 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 007 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 007 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 007 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 007 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 007 |
| Manganese, total [as Mn] | quarterly average | report only (mg/L) | all year | 007 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 007 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 007 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 007 |
| Aluminum, total [as Al] | quarterly average | report only (mg/L) | all year | 007 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 007 |
| Iron [total] | quarterly total | report only (lb) | all year | 007 |
| Manganese [total] | quarterly total | report only (lb) | all year | 007 |
| Aluminum [total] | quarterly total | report only (lb) | all year | 007 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| pH | daily maximum | report only (SU) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 008 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 008 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 008 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 008 |
| Manganese, total [as Mn] | quarterly average | report only (mg/L) | all year | 008 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 008 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 008 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 008 |
| Aluminum, total [as Al] | quarterly average | report only (mg/L) | all year | 008 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 008 |
| Iron [total] | quarterly total | report only (lb) | all year | 008 |
| Manganese [total] | quarterly total | report only (lb) | all year | 008 |
| Aluminum [total] | quarterly total | report only (lb) | all year | 008 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| pH | daily maximum | report only (SU) | all year | 009 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 009 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 009 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 009 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 009 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 009 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 009 |
| Manganese, total [as Mn] | quarterly average | report only (mg/L) | all year | 009 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 009 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 009 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 009 |
| Aluminum, total [as Al] | quarterly average | report only (mg/L) | all year | 009 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 009 |
| Iron [total] | quarterly total | report only (lb) | all year | 009 |
| Manganese [total] | quarterly total | report only (lb) | all year | 009 |
| Aluminum [total] | quarterly total | report only (lb) | all year | 009 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| pH | daily maximum | report only (SU) | all year | 010 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 010 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 010 |
| Chromium, total [as Cr] | daily maximum | report only (mg/L) | all year | 010 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | all year | 010 |
| Iron, total [as Fe] | quarterly average | report only (mg/L) | all year | 010 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 010 |
| Manganese, total [as Mn] | quarterly average | report only (mg/L) | all year | 010 |
| Manganese, total [as Mn] | daily maximum | report only (mg/L) | all year | 010 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 010 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 010 |
| Aluminum, total [as Al] | quarterly average | report only (mg/L) | all year | 010 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 010 |
| Iron [total] | quarterly total | report only (lb) | all year | 010 |
| Manganese [total] | quarterly total | report only (lb) | all year | 010 |
| Aluminum [total] | quarterly total | report only (lb) | all year | 010 |
| Flow, in conduit or thru treatment plant | quarterly average | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 101 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 101 |
| Solids, total suspended | monthly average | ≤ 12 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 15 mg/L | all year | 101 |
| Solids, total suspended | monthly average | ≤ 10 lb/d | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 21 lb/d | all year | 101 |
| Oil & Grease | monthly average | ≤ 10 mg/L | all year | 101 |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year | 101 |
| Oil & Grease | monthly average | ≤ 6 lb/d | all year | 101 |
| Oil & Grease | daily maximum | ≤ 10 lb/d | all year | 101 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.4 lb/d | all year | 101 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.4 lb/d | all year | 101 |
| Cyanide, total [as CN] | monthly average | ≤ .07 mg/L | all year | 101 |
| Cyanide, total [as CN] | daily maximum | ≤ .16 mg/L | all year | 101 |
| Cyanide, total [as CN] | monthly average | ≤ .06 lb/d | all year | 101 |
| Cyanide, total [as CN] | daily maximum | ≤ .13 lb/d | all year | 101 |
| Fluoride, total [as F] | monthly average | ≤ 5.1 mg/L | all year | 101 |
| Fluoride, total [as F] | daily maximum | ≤ 11.5 mg/L | all year | 101 |
| Fluoride, total [as F] | monthly average | ≤ 4.2 lb/d | all year | 101 |
| Fluoride, total [as F] | daily maximum | ≤ 10 lb/d | all year | 101 |
| Chromium, total [as Cr] | monthly average | ≤ .06 mg/L | all year | 101 |
| Chromium, total [as Cr] | daily maximum | ≤ .14 mg/L | all year | 101 |
| Chromium, total [as Cr] | monthly average | ≤ .03 lb/d | all year | 101 |
| Chromium, total [as Cr] | daily maximum | ≤ .07 lb/d | all year | 101 |
| Copper, total [as Cu] | monthly average | ≤ .54 mg/L | all year | 101 |
| Copper, total [as Cu] | daily maximum | ≤ 1 mg/L | all year | 101 |
| Copper, total [as Cu] | monthly average | ≤ .46 lb/d | all year | 101 |
| Copper, total [as Cu] | daily maximum | ≤ .9 lb/d | all year | 101 |
| Iron, total [as Fe] | monthly average | ≤ .31 mg/L | all year | 101 |
| Iron, total [as Fe] | daily maximum | ≤ .61 mg/L | all year | 101 |
| Iron, total [as Fe] | monthly average | ≤ .28 lb/d | all year | 101 |
| Iron, total [as Fe] | daily maximum | ≤ .55 lb/d | all year | 101 |
| Lead, total [as Pb] | monthly average | ≤ .11 mg/L | all year | 101 |
| Lead, total [as Pb] | daily maximum | ≤ .23 mg/L | all year | 101 |
| Lead, total [as Pb] | monthly average | ≤ .09 lb/d | all year | 101 |
| Lead, total [as Pb] | daily maximum | ≤ .19 lb/d | all year | 101 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 101 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 101 |
| Manganese, total [as Mn] | monthly average | report only (lb/d) | all year | 101 |
| Manganese, total [as Mn] | daily maximum | report only (lb/d) | all year | 101 |
| Nickel, total [as Ni] | monthly average | ≤ .07 mg/L | all year | 101 |
| Nickel, total [as Ni] | daily maximum | ≤ .11 mg/L | all year | 101 |
| Nickel, total [as Ni] | monthly average | ≤ .06 lb/d | all year | 101 |
| Nickel, total [as Ni] | daily maximum | ≤ .09 lb/d | all year | 101 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 101 |
| Aluminum, total [as Al] | daily maximum | ≤ .75 mg/L | all year | 101 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 101 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 85 Primary Metal Industries permits in Pennsylvania.
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