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Sewage treatment plant, major discharger, Pittsburgh, Pennsylvania. NPDES permit PA0036293, in force until Mar 31, 2031. Last 12 months: over a limit 2 times (last March 2026), 37 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Dichlorobromomethane, quarterly average | 1.92 ug/L | ≤ 1.144 ug/L | 68% |
| March 2026 | Dichlorobromomethane, quarterly average | 2.78 ug/L | ≤ 1.144 ug/L | 143% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 4 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 250 lb/d | all year |
| Solids, total suspended | weekly average | ≤ 375 lb/d | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Solids, total suspended | monthly average | report only (lb/d) | all year |
| Solids, total suspended | daily maximum | report only (lb/d) | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Boron, total [as B] | quarterly average | report only (ug/L) | all year |
| Boron, total [as B] | quarterly average | report only (lb/d) | all year |
| Cadmium, total [as Cd] | quarterly average | report only (ug/L) | all year |
| Cadmium, total [as Cd] | quarterly average | report only (lb/d) | all year |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year |
| Iron, total [as Fe] | quarterly average | report only (ug/L) | all year |
| Iron, total [as Fe] | quarterly average | report only (lb/d) | all year |
| Iron, dissolved [as Fe] | quarterly average | report only (ug/L) | all year |
| Iron, dissolved [as Fe] | quarterly average | report only (lb/d) | all year |
| Lead, total [as Pb] | quarterly average | report only (ug/L) | all year |
| Lead, total [as Pb] | quarterly average | report only (lb/d) | all year |
| Manganese, total [as Mn] | quarterly average | report only (ug/L) | all year |
| Manganese, total [as Mn] | quarterly average | report only (lb/d) | all year |
| Zinc, total [as Zn] | quarterly average | report only (ug/L) | all year |
| Zinc, total [as Zn] | quarterly average | report only (lb/d) | all year |
| Aluminum, total [as Al] | quarterly average | report only (ug/L) | all year |
| Aluminum, total [as Al] | quarterly average | report only (lb/d) | all year |
| Dichlorobromomethane | quarterly average | ≤ 1.144 ug/L | all year |
| Chloroform | monthly average | report only (ug/L) | all year |
| Chloroform | monthly average | report only (lb/d) | all year |
| Chlorodibromomethane | monthly average | report only (ug/L) | all year |
| Chlorodibromomethane | monthly average | report only (lb/d) | 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 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year |
| E. coli | monthly average | report only (#/100mL) | all year |
| Cyanide, free available | monthly average | report only (ug/L) | all year |
| Cyanide, free available | monthly average | report only (lb/d) | all year |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year |
| Perfluorobutanesulfonic acid (PFBS) | daily maximum | report only (ng/L) | all year |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | daily maximum | report only (ng/L) | all year |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | May–Sep |
| Coliform, fecal general | geometric mean | ≤ 2000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| Coliform, fecal general | instantaneous maximum | ≤ 1000 #/100mL | May–Sep |
| Coliform, fecal general | instantaneous maximum | ≤ 10000 #/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 25 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 37.5 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 208 lb/d | all year |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 312 lb/d | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chlorine, total residual, monthly average | 0.011 mg/L | tighter | 0.3 mg/L (9 values) | 27.3× |
| Chlorodibromomethane, monthly average | 0.96 ug/L | new | 0.7 ug/L (3 values) | 0.729× |
| Chlorodibromomethane, monthly average | 0.008 lb/d | new | 0.004 lb/d (3 values) | 0.5× |
| Chlorodibromomethane, weekly average | 0.013 lb/d | new | — | — |
| Chlorodibromomethane, weekly average | 1.59 ug/L | new | — | — |
| Chloroform, monthly average | 5.8 ug/L | new | 2 ug/L (3 values) | 0.345× |
| Chloroform, monthly average | 0.048 lb/d | new | 0.008 lb/d (3 values) | 0.167× |
| Chloroform, weekly average | 8.72 ug/L | new | — | — |
| Chloroform, weekly average | 0.073 lb/d | new | — | — |
| Copper, total [as Cu], monthly average | 0.18 lb/d | new | 0.03 lb/d (3 values) | 0.167× |
| Copper, total [as Cu], monthly average | 21.1 ug/L | new | 6 ug/L (3 values) | 0.284× |
| Copper, total [as Cu], weekly average | 32.8 ug/L | new | — | — |
| Copper, total [as Cu], weekly average | 0.27 lb/d | new | — | — |
| Cyanide, free available, monthly average | 4.07 ug/L | new | 1 ug/L (3 values) | 0.246× |
| Cyanide, free available, monthly average | 0.034 lb/d | new | 0.02 lb/d (3 values) | 0.588× |
| Cyanide, free available, weekly average | 6.74 ug/L | new | — | — |
| Cyanide, free available, weekly average | 0.056 lb/d | new | — | — |
| Dichlorobromomethane, monthly average | 1.14 ug/L | tighter | — | — |
| Nitrogen, ammonia total [as N], monthly average | 16.26 lb/d (May–Oct) | new | 6.95 lb/d (3 values, 1 below detection) | 0.427× |
| Nitrogen, ammonia total [as N], monthly average | 1.95 mg/L (May–Oct) | new | 1.39 mg/L (3 values, 1 below detection) | 0.713× |
| Nitrogen, ammonia total [as N], monthly average | 25.1 lb/d (Jan, Feb, Mar, Apr, Nov, Dec) | new | 5 lb/d (6 values, 2 below detection) | 0.199× |
| Nitrogen, ammonia total [as N], monthly average | 3.01 mg/L (Jan, Feb, Mar, Apr, Nov, Dec) | new | 0.925 mg/L (6 values, 2 below detection) | 0.307× |
| Nitrogen, ammonia total [as N], weekly average | 24.35 lb/d (May–Oct) | new | — | — |
| Nitrogen, ammonia total [as N], weekly average | 2.92 mg/L (May–Oct) | new | — | — |
| Nitrogen, ammonia total [as N], weekly average | 4.51 mg/L (Jan, Feb, Mar, Apr, Nov, Dec) | new | — | — |
| Nitrogen, ammonia total [as N], weekly average | 37.61 lb/d (Jan, Feb, Mar, Apr, Nov, Dec) | new | — | — |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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