Clean Water Act discharge permit · NPDES MAR1005RY
MALDEN RIVER WORKS, Malden, MA: NPDES MAR1005RY discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MALDEN RIVER WORKS, held by J.J. Phelan & Son co., Inc., holds NPDES permit MAR1005RY. EPA’s file records it issued June 4, 2025 and expiring February 16, 2027. 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.
What the register holds for MALDEN RIVER WORKS: its NPDES ID, its permit type and status, its dates, its address in Malden, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005RY.
Identity
| Facility as filed | MALDEN RIVER WORKS |
|---|---|
| Permittee as filed | J.J. Phelan & Son co., Inc. |
| NPDES ID | MAR1005RY |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | June 4, 2025 |
| Expiration date | February 16, 2027 |
| Issuing agency | U.S. EPA |
| Address | Malden, MA 02148 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mystic River-Frontal Boston Harbor (HUC 010900010502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1005RY.
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 MAR1005RY.
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 MAR1005RY 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.