Clean Water Act discharge permit · NPDES MA0101681
PITTSFIELD W W T P, Pittsfield, MA: NPDES MA0101681 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 24Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
PITTSFIELD W W T P holds NPDES permit MA0101681, which discharges to Housatonic River. EPA’s file records it issued August 22, 2008 and expiring September 30, 2013. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | PITTSFIELD W W T P |
|---|---|
| Permittee as filed | PITTSFIELD W W T P |
| NPDES ID | MA0101681 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 22, 2008 |
| Expiration date | September 30, 2013 |
| Address | Pittsfield, MA 01201 |
| Receiving water | HOUSATONIC RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sackett Brook-Housatonic River (HUC 011000050104) |
| Program components on file | Biosolids, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MAD000649756; ICIS-AIR source MA0000002511700176 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 37Pollutants on file
- 24Under a numeric limit
- 36With a violation of any kind
- 13With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Aluminum, total [as Al] | 6 | 34 | 32 | November 30, 2020 | 161% over the limit |
| Phosphorus, total [as P] | 22 | 31 | 20 | April 30, 2025 | 900% over the limit |
| Aluminum, total recoverable | 0 | 22 | 20 | June 30, 2026 | 339% over the limit |
| Nitrogen, total [as N] | 4 | 60 | 10 | February 28, 2025 | 56% over the limit |
| Nitrogen, ammonia total [as N] | 11 | 12 | 7 | June 30, 2023 | 251% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 6 | 4 | July 31, 2025 | 66% over the limit |
| E. coli | 4 | 4 | 4 | August 31, 2024 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 7 | 3 | March 31, 2008 | 6% over the limit |
| Coliform, fecal general | 2 | 2 | 2 | June 30, 2009 | 99,999% over the limit |
| pH | 2 | 6 | 1 | January 31, 2001 | |
| NOEL Static 7Day Chronic Ceriodaphnia dubia | 1 | 3 | 1 | July 31, 2022 | 50% over the limit |
| Oxygen, dissolved [DO] | 1 | 2 | 1 | April 30, 2026 | 43% over the limit |
| Chlorine, total residual | 2 | 1 | 1 | July 31, 2019 | 207% over the limit |
| Solids, total suspended | 8 | 14 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 12 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 2 | 8 | 0 | ||
| Lead, total [as Pb] | 2 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 3 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 3 | 0 | ||
| Copper, total [as Cu] | 6 | 2 | 0 | ||
| Nitrogen, nitrite total [as N] | 2 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 2 | 0 | ||
| Carbon, tot organic [TOC] | 0 | 2 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 2 | 0 | ||
| Cadmium, total [as Cd] | 0 | 2 | 0 | ||
| Nickel, total [as Ni] | 0 | 2 | 0 | ||
| Zinc, total [as Zn] | 0 | 2 | 0 | ||
| Copper, total recoverable | 0 | 2 | 0 | ||
| Nitrogen, nitrate total [as N] | 2 | 1 | 0 | ||
| Solids, suspended percent removal | 1 | 1 | 0 | ||
| Flow, total | 1 | 1 | 0 | ||
| Temperature, water deg. centigrade | 0 | 1 | 0 | ||
| Ammonia nitrogen, total, [as N] 30 day | 0 | 1 | 0 | ||
| Carbon, dissolved organic [as C] | 0 | 1 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 0 | 1 | 0 | ||
| Noel Statre 7Day Chronic Pimephales | 0 | 1 | 0 | ||
| E. coli, thermotol, MF, MTEC | 2 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MA0101681.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MA0101681 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.