Clean Water Act discharge permit · NPDES MA0100986
EAST FITCHBURG WWTF, Fitchburg, MA: NPDES MA0100986 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 26Pollutants with an effluent exceedance
EAST FITCHBURG WWTF, held by EAST FITCHBURG W W T F, holds NPDES permit MA0100986, which discharges to Nashua River, North Branch. EPA’s file records it issued July 24, 2010 and expiring August 31, 2015. 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 | EAST FITCHBURG WWTF |
|---|---|
| Permittee as filed | EAST FITCHBURG W W T F |
| NPDES ID | MA0100986 |
| 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 | July 24, 2010 |
| Expiration date | August 31, 2015 |
| Address | Fitchburg, MA 01420 |
| Receiving water | NASHUA RIVER, NORTH BRANCH |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Sand Brook-North Nashua River (HUC 010700040102) |
| Program components on file | CSO, POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
| Other EPA IDs (FRS) | RCRA handler MAD075348052; ICIS-AIR source MA0000002511800938 |
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
- 29Pollutants on file
- 22Under a numeric limit
- 28With a violation of any kind
- 26With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 12 | 1,394 | 1,375 | August 31, 2026 | 3,000% over the limit |
| BOD, 5-day, 20 deg. C | 12 | 1,238 | 1,218 | August 31, 2026 | 3,425% over the limit |
| Nitrogen, ammonia total [as N] | 14 | 232 | 229 | August 31, 2026 | 3,000% over the limit |
| Coliform, fecal general | 2 | 172 | 167 | July 31, 2011 | 99,999% over the limit |
| E. coli, colony forming units [CFU] | 4 | 165 | 165 | April 30, 2024 | 99,999% over the limit |
| Solids, settleable | 0 | 133 | 127 | October 31, 2002 | 11,567% over the limit |
| Solids, suspended percent removal | 1 | 129 | 125 | December 31, 2019 | 536% over the limit |
| BOD, 5-day, percent removal | 1 | 108 | 105 | December 31, 2019 | 507% over the limit |
| Chlorine, total residual | 4 | 109 | 102 | February 28, 2018 | 99,900% over the limit |
| Copper, total recoverable | 0 | 75 | 69 | August 31, 2010 | 193,448% over the limit |
| pH | 2 | 69 | 65 | November 30, 2025 | |
| Copper, total [as Cu] | 2 | 64 | 64 | October 31, 2020 | 156% over the limit |
| Phosphorus, total [as P] | 14 | 69 | 63 | August 31, 2026 | 232% over the limit |
| Aluminum, total [as Al] | 2 | 24 | 24 | January 31, 2024 | 101% over the limit |
| Lead, total recoverable | 0 | 28 | 23 | June 30, 2009 | 79,900% over the limit |
| Oxygen, dissolved [DO] | 1 | 20 | 19 | September 30, 2018 | 20% over the limit |
| E. coli | 0 | 16 | 16 | August 31, 2026 | 99,999% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 16 | 13 | March 31, 2018 | 86% over the limit |
| Cadmium, total [as Cd] | 2 | 13 | 13 | April 30, 2015 | 99,999% over the limit |
| Noel Statre 7Day Chronic Pimephales | 1 | 11 | 8 | June 30, 2020 | 99,999% over the limit |
| Lead, total [as Pb] | 2 | 8 | 8 | April 30, 2017 | 193% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 8 | 4 | April 30, 2001 | 16% over the limit |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 1 | 5 | 2 | June 30, 2006 | 99,999% over the limit |
| LC50 Static Renewal 48Hr Acute Pimephales promelas | 1 | 5 | 2 | December 31, 2004 | 99,999% over the limit |
| Zinc, total [as Zn] | 2 | 2 | 2 | January 31, 2016 | 37% over the limit |
| NOEC Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 1 | 1 | March 31, 2025 | 19% over the limit |
| Aluminum, total recoverable | 0 | 3 | 0 | ||
| Zinc, total recoverable | 0 | 2 | 0 | ||
| Phosphate, ortho, dissolved [as P] | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 31, 2025 | PR: Failure of the Control Authority to publish for SNC (Level II - Other) | EP6 |
| December 31, 2024 | PR: Failure to enforce standards, local limits, and reporting requirements (>15% SNC SIU) (Level II) | EP6 |
| December 31, 2024 | PR: Failure to submit required report within 30 days of applicable due date (Level I) | EP6 |
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 MA0100986 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.