Clean Water Act discharge permit · NPDES MA0100552
LYNN REGIONAL W P C F, Lynn, MA: NPDES MA0100552 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 0Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
LYNN REGIONAL W P C F holds NPDES permit MA0100552, which discharges to Lynn Harbor (Broad Sound). EPA’s file records it issued May 31, 2000 and expiring July 31, 2005. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | LYNN REGIONAL W P C F |
|---|---|
| Permittee as filed | LYNN REGIONAL W P C F |
| NPDES ID | MA0100552 |
| 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 | May 31, 2000 |
| Expiration date | July 31, 2005 |
| Address | Lynn, MA 01905 |
| Receiving water | LYNN HARBOR (BROAD SOUND) |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Outlet Saugus River-Frontal Broad Sound (HUC 010900010402) |
| Other EPA IDs (FRS) | RCRA handler MAC300097425; ICIS-AIR source MA0000002511900520 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 19Pollutants on file
- 0Under a numeric limit
- 19With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 192 | 126 | July 31, 2026 | 397% over the limit |
| Solids, total suspended | 0 | 161 | 118 | July 31, 2026 | 620% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 108 | 86 | April 30, 2022 | 29% over the limit |
| Coliform, fecal general | 0 | 87 | 64 | June 30, 2026 | 131,823% over the limit |
| BOD, 5-day, percent removal | 0 | 58 | 46 | July 31, 2026 | 305% over the limit |
| Solids, suspended percent removal | 0 | 51 | 41 | July 31, 2026 | 357% over the limit |
| Chlorine, total residual | 0 | 47 | 29 | December 31, 2024 | 11,767% over the limit |
| Copper, total [as Cu] | 0 | 46 | 29 | September 30, 2021 | 831% over the limit |
| LC50 Static 48Hr Acute Menidia | 0 | 26 | 21 | December 31, 2025 | 47% over the limit |
| Oil & Grease | 0 | 26 | 11 | December 31, 2025 | 127% over the limit |
| LC50 Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 0 | 5 | 3 | September 30, 2005 | 25% over the limit |
| pH | 0 | 19 | 1 | August 31, 2010 | |
| NOEL Static 7Day Chronic Menidia | 0 | 6 | 1 | December 31, 2017 | 99,999% over the limit |
| Enterococci | 0 | 14 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 8 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 6 | 0 | ||
| E. coli, thermotol, MF, MTEC | 0 | 2 | 0 | ||
| NOEL Static 1Hr 20min Fert. Chronic Arbacia punctulata | 0 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 1 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| 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 MA0100552 there.
Nearby on the register
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- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.