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Sewage treatment plant, major discharger, Pittsfield, Massachusetts. NPDES permit MA0101681 expired Oct 31, 2026. Last 12 months: over a limit 4 times (last September 2026), 58 required values missing, 8 of 38 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| April 2026 | Aluminum, total recoverable, monthly average | 550 ug/L | ≤ 171 ug/L | 222% |
| April 2026 | Oxygen, dissolved [DO], minimum | 3.4 mg/L | ≥ 6 mg/L | 43% |
| June 2026 | Aluminum, total recoverable, monthly average | 357 ug/L | ≤ 171 ug/L | 109% |
| September 2026 | Aluminum, total recoverable, monthly average | 285 ug/L | ≤ 171 ug/L | 67% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | Jan, Jul | 003 |
| Oxygen, dissolved [DO] | minimum | ≥ 6 mg/L | Apr–Oct | 003 |
| pH | minimum | ≥ 6.5 SU | all year | 003 |
| pH | maximum | ≤ 8.3 SU | all year | 003 |
| pH | daily maximum | report only (SU) | Jan, Jul | 003 |
| Solids, total suspended | monthly average | ≤ 20 mg/L | all year | 003 |
| Solids, total suspended | weekly average | ≤ 25 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Solids, total suspended | monthly average | ≤ 2840 lb/d | all year | 003 |
| Solids, total suspended | weekly average | ≤ 3550 lb/d | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 003 |
| Nitrogen, total [as N] | rolling average | ≤ 709 lb/d | all year | 003 |
| Ammonia nitrogen, total, [as N] 30 day | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Jun–Sep | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Oct, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 10 mg/L | Apr | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 5 mg/L | May | 003 |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 1 mg/L | Jun–Sep | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15 mg/L | Apr | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | May | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1.5 mg/L | Jun–Sep | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Oct, Nov, Dec | 003 |
| Nitrogen, ammonia total [as N] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 192 lb/d | Apr | 003 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 192 lb/d | May | 003 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | Jun–Sep | 003 |
| Nitrogen, ammonia total [as N] | weekly average | report only (lb/d) | Jun–Sep | 003 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | monthly average | ≤ 1 mg/L | Jan, Feb, Mar, Nov, Dec | 003 |
| Phosphorus, total [as P] | monthly average | ≤ .1 mg/L | Apr–Oct | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | Apr–Oct | 003 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Carbon, dissolved organic [as C] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Copper, total [as Cu] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Aluminum, total recoverable | monthly average | ≤ 171 ug/L | all year | 003 |
| Aluminum, total recoverable | daily maximum | report only (ug/L) | all year | 003 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | Jan, Jul | 003 |
| Copper, total recoverable | monthly average | ≤ 18 ug/L | all year | 003 |
| Copper, total recoverable | daily maximum | ≤ 24.9 ug/L | all year | 003 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/L) | all year | 003 |
| Di[2-ethylhexyl] phthalate [DEHP] | daily maximum | report only (ug/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 |
| Flow, in conduit or thru treatment plant | rolling average | ≤ 17 MGD | all year | 003 |
| Chlorine, total residual | monthly average | ≤ 21.7 ug/L | Apr–Oct | 003 |
| Chlorine, total residual | daily maximum | ≤ 37.4 ug/L | Apr–Oct | 003 |
| E. coli | monthly geometric mean | ≤ 126 MPN/100mL | Apr–Oct | 003 |
| E. coli | daily maximum | ≤ 409 MPN/100mL | Apr–Oct | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 10 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 10 mg/L | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | report only (mg/L) | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 1420 lb/d | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 1420 lb/d | all year | 003 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | report only (mg/L) | all year | 003 |
| BOD, carb-5 day, 20 deg C, percent removal | monthly average minimum | ≥ 85 % | all year | 003 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 003 |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | daily minimum | ≥ 100 % | Jan, Jul | 003 |
| NOEL Static 7Day Chronic Ceriodaphnia dubia | daily minimum | ≥ 50 % | Jan, Jul | 003 |
| Noel Statre 7Day Chronic Pimephales | daily minimum | ≥ 50 % | Jan, Jul | 003 |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorooctanoic acid (PFOA) | daily maximum | report only (ng/g) | all year | PFAS |
| Perfluorooctanesulfonate | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorooctanesulfonate | daily maximum | report only (ng/g) | all year | PFAS |
| Perfluoroheptanoic acid (PFHpA) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluoroheptanoic acid (PFHpA) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluoroheptanoic acid (PFHpA) | daily maximum | report only (ng/g) | all year | PFAS |
| Perfluorononanoic acid (PFNA) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorodecanoic acid (PFDA) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorodecanoic acid (PFDA) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorodecanoic acid (PFDA) | daily maximum | report only (ng/g) | all year | PFAS |
| Perfluorohexanesulfonic acid (PFHxS) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorohexanesulfonic acid (PFHxS) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorohexanesulfonic acid (PFHxS) | daily maximum | report only (ng/g) | all year | PFAS |
| Perfluorooctanesulfonic acid (PFOS) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorooctanesulfonic acid (PFOS) | daily maximum | report only (ng/L) | all year | PFAS |
| Perfluorooctanesulfonic acid (PFOS) | daily maximum | report only (ng/g) | all year | PFAS |
Cited limits by parameter: Massachusetts's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/MA0101681 · MCP: https://passage-data.com/mcp