Clean Water Act discharge permit · NPDES MA0100030
MARION WATER POLLUTION CONTROL FACILITY, Marion, MA: NPDES MA0100030 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 16Pollutants under a numeric limit
- 16Pollutants with an effluent exceedance
MARION WATER POLLUTION CONTROL FACILITY, held by MARION W W T F, holds NPDES permit MA0100030, which discharges to Brook To Aucoot Cove To Buzzards. EPA’s file records it issued September 29, 2006 and expiring February 29, 2012. 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 | MARION WATER POLLUTION CONTROL FACILITY |
|---|---|
| Permittee as filed | MARION W W T F |
| NPDES ID | MA0100030 |
| 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 | September 29, 2006 |
| Expiration date | February 29, 2012 |
| Address | Marion, MA 02378 |
| Receiving water | BROOK TO AUCOOT COVE TO BUZZARDS |
| Subwatershed | Aucoot Creek-Frontal Sippican Harbor (HUC 010900020305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 16Under a numeric limit
- 16With a violation of any kind
- 16With 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 |
|---|---|---|---|---|---|
| Copper, total recoverable | 8 | 111 | 110 | June 30, 2021 | 16,169% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 75 | 75 | September 30, 2010 | 5,606% over the limit |
| Solids, total suspended | 7 | 63 | 63 | August 31, 2023 | 633% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 69 | 62 | March 31, 2024 | 843% over the limit |
| Coliform, fecal general | 4 | 36 | 36 | January 31, 2024 | 99,999% over the limit |
| pH | 2 | 27 | 27 | June 30, 2007 | |
| Ammonia & ammonium- total | 0 | 26 | 26 | September 30, 2004 | 647% over the limit |
| Solids, suspended percent removal | 1 | 19 | 19 | May 31, 2005 | 327% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 20 | 16 | June 30, 2012 | 99,999% over the limit |
| Nitrogen, total [as N] | 2 | 19 | 16 | May 31, 2023 | 108% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 13 | 13 | October 31, 2022 | 538% over the limit |
| Noel Statre 7Day Chronic Pimephales | 1 | 15 | 11 | September 30, 2011 | 94% over the limit |
| BOD, 5-day, percent removal | 1 | 9 | 9 | February 28, 2021 | 144% over the limit |
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 5 | 3 | March 31, 2012 | 70% over the limit |
| LC50 Static 48Hr Acute Pimephales promelas | 1 | 5 | 1 | February 28, 2001 | 2% over the limit |
| Enterococci | 0 | 1 | 1 | September 30, 2023 | 34% over the limit |
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 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 MA0100030.
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 MA0100030 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.