Clean Water Act discharge permit · NPDES MA0102245
MCI - CONCORD, Concord, MA: NPDES MA0102245 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
MCI - CONCORD holds NPDES permit MA0102245, which discharges to Assabet River. EPA’s file records it issued August 12, 2005 and expiring September 30, 2010. 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 | MCI - CONCORD |
|---|---|
| Permittee as filed | MCI - CONCORD |
| NPDES ID | MA0102245 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 12, 2005 |
| Expiration date | September 30, 2010 |
| Address | Concord, MA 01742 |
| Receiving water | ASSABET RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Elizabeth Brook-Assabet River (HUC 010700050204) |
| Other EPA IDs (FRS) | RCRA handler MAD091496422; ICIS-AIR source MA0000002511900579 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 16Pollutants on file
- 14Under a numeric limit
- 15With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 2 | 41 | 35 | September 30, 2016 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 36 | 28 | September 30, 2005 | 48% over the limit |
| Solids, total suspended | 7 | 35 | 18 | June 30, 2009 | 483% over the limit |
| Phosphorus, total [as P] | 10 | 24 | 15 | July 31, 2017 | 150% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 24 | 9 | December 31, 2010 | 9,018% over the limit |
| Oxygen, dissolved [DO] | 1 | 11 | 9 | November 30, 2011 | 30% over the limit |
| E. coli | 0 | 8 | 8 | July 31, 2018 | 99,999% over the limit |
| pH | 2 | 11 | 7 | July 31, 2017 | |
| Solids, suspended percent removal | 1 | 8 | 4 | June 30, 2009 | 207% over the limit |
| Chlorine, total residual | 2 | 7 | 1 | January 31, 2017 | 19% over the limit |
| BOD, 5-day, percent removal | 1 | 4 | 1 | October 31, 2009 | 567% over the limit |
| Solids, settleable | 0 | 1 | 1 | July 31, 2005 | 900% over the limit |
| Nitrogen, ammonia total [as N] | 5 | 9 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 8 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 1 | 8 | 0 | ||
| Phosphate, ortho [as PO4] | 3 | 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 MA0102245.
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.
Watch this permit
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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 MA0102245 there.
Nearby on the register
- Discharge permits in Concord
- Every permit record in Concord, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.