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Scrap And Waste Materials, West Mifflin, Pennsylvania. NPDES permit PA0253553, in force until Aug 31, 2028. Last 12 months: no values over a limit, 43 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen demand, chem. [high level] [COD] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | instantaneous maximum | report only (mg/L) | all year | 001 |
| Oil & Grease | instantaneous maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 001 |
| Lead, total [as Pb] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Manganese, total [as Mn] | 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] | instantaneous maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 001 |
| PCB-1016 | instantaneous maximum | report only (ug/L) | all year | 001 |
| PCB-1242 | instantaneous maximum | report only (ug/L) | all year | 001 |
| PCB-1248 | instantaneous maximum | report only (ug/L) | all year | 001 |
| PCB-1254 | instantaneous maximum | report only (ug/L) | all year | 001 |
| PCB-1260 | instantaneous maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Mercury, total [as Hg] | instantaneous maximum | report only (mg/L) | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 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 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | 002 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 002 |
| Arsenic, total [as As] | monthly average | report only (ug/L) | all year | 002 |
| Arsenic, total [as As] | daily maximum | report only (ug/L) | all year | 002 |
| Boron, total [as B] | monthly average | report only (ug/L) | all year | 002 |
| Boron, total [as B] | daily maximum | report only (ug/L) | all year | 002 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 002 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 002 |
| Iron, total [as Fe] | daily maximum | report only (lb/d) | all year | 002 |
| Iron, dissolved [as Fe] | daily maximum | ≤ 7 mg/L | all year | 002 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 002 |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year | 002 |
| Selenium, total [as Se] | daily maximum | report only (ug/L) | all year | 002 |
| Phenol | monthly average | report only (ug/L) | all year | 002 |
| Phenol | daily maximum | report only (ug/L) | all year | 002 |
| Di[2-ethylhexyl] phthalate [DEHP] | monthly average | report only (ug/L) | all year | 002 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 002 |
| 4,4'-DDT | monthly average | report only (ug/L) | all year | 002 |
| 4,4'-DDT | daily maximum | report only (ug/L) | all year | 002 |
| .beta.-BHC | monthly average | report only (ug/L) | all year | 002 |
| .beta.-BHC | daily maximum | report only (ug/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 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 002 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 002 |
| Mercury, total [as Hg] | monthly average | report only (ug/L) | all year | 002 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 002 |
| Organics, tot purgeables [Method 624] | monthly average | report only (ug/L) | all year | 002 |
| Organics, tot purgeables [Method 624] | daily maximum | report only (ug/L) | all year | 002 |
| 1,4-Dioxane | monthly average | report only (ug/L) | all year | 002 |
| 1,4-Dioxane | daily maximum | report only (ug/L) | all year | 002 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Boron, total [as B], daily maximum outfall 002 | 2549 ug/L | new | 2590 ug/L (9 values) | 1.02× |
| Boron, total [as B], monthly average outfall 002 | 1634 ug/L | new | 2470 ug/L (9 values) | 1.51× |
| Aluminum, total [as Al], instantaneous maximum outfall 001 | 0.75 mg/L | new | — | — |
| Iron, total [as Fe], instantaneous maximum outfall 001 | 3.75 mg/L | new | — | — |
| .beta.-BHC, daily maximum outfall 002 | 0.017 ug/L | new | 0.004 ug/L (9 values, 9 below detection) | — |
| .beta.-BHC, monthly average outfall 002 | 0.011 ug/L | new | 0.004 ug/L (9 values, 9 below detection) | — |
| 4,4'-DDT, daily maximum outfall 002 | 0.05 ug/L | new | 0.004 ug/L (9 values, 9 below detection) | — |
| 4,4'-DDT, monthly average outfall 002 | 0.05 ug/L | new | 0.004 ug/L (9 values, 9 below detection) | — |
| Aluminum, total [as Al], daily maximum outfall 002 | 0.396 mg/L | new | 0.0113 mg/L (9 values, 3 below detection) | 0.0285× |
| Aluminum, total [as Al], monthly average outfall 002 | 0.198 mg/L | new | 0.01065 mg/L (9 values, 7 below detection) | — |
| Di[2-ethylhexyl] phthalate [DEHP], daily maximum outfall 002 | 5 ug/L | new | 0.5 ug/L (9 values, 9 below detection) | — |
| Di[2-ethylhexyl] phthalate [DEHP], monthly average outfall 002 | 5 ug/L | new | 0.5 ug/L (9 values, 9 below detection) | — |
| Iron, total [as Fe], daily maximum outfall 002 | 1.1 mg/L | new | 0.417 mg/L (9 values) | 0.379× |
| Iron, total [as Fe], monthly average outfall 002 | 0.551 mg/L | new | 0.411 mg/L (9 values) | 0.746× |
| Mercury, total [as Hg], daily maximum outfall 002 | 0.08 ug/L | new | 0.2 ug/L (9 values, 8 below detection) | — |
| Mercury, total [as Hg], monthly average outfall 002 | 0.051 ug/L | new | 0.2 ug/L (9 values, 9 below detection) | — |
| Selenium, total [as Se], daily maximum outfall 002 | 7.95 ug/L | new | 4.54 ug/L (9 values, 1 below detection) | 0.571× |
| Selenium, total [as Se], monthly average outfall 002 | 5.09 ug/L | new | 4.32 ug/L (9 values, 2 below detection) | 0.849× |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 42 Wholesale Trade — Durable Goods permits in Pennsylvania.
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On EPA ECHO: Facility report · DMR history
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