Clean Water Act discharge permit · NPDES MAR1004RK

142 MYSTIC AVENUE MEDFORD MA, Medford, MA: NPDES MAR1004RK discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

142 MYSTIC AVENUE MEDFORD MA, held by Haynes Group, Inc., holds NPDES permit MAR1004RK. EPA’s file records it issued August 21, 2023 and expiring February 16, 2027.

142 MYSTIC AVENUE MEDFORD MA, Medford, Massachusetts: Coverage under a general permit MAR1004RK, held by Haynes Group, Inc.; Construction stormwater; Effective; issued August 21, 2023, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 1,411 were issued before MAR1004RK.

Coverages issued nearest MAR1004RK

August 14, 2023: PHASE 4 & 5 WEST LYNN SEWER SEPARATION, Lynn, MAR1004RA, held by P. Gioioso & Sons, Inc.
August 16, 2023: COURT SQUARE IMPROVEMENT PROJECT, Springfield, MAR1004RB, held by Mountain View Landscapes & Lawncare, Inc.
August 17, 2023: GEOFFREY PARK, Holliston, MAR1004RD, held by Cresent Builders Inc.
August 18, 2023: PARKING AND PAVEMENT IMPROVEMENTS, Mansfield, MAR1004RF, held by Mansfield Housing Authority
August 18, 2023: BRIDGE REPLACEMENT ROUTE 2A OVER INTERSTATE 95 IN LEXINGTON, MASSACHUSETTS, Lexington, MAR1004RI, held by MAS Building & Bridge, Inc.
August 21, 2023: GREEN STREET PARK IMPROVEMENTS PROJECT, Gloucester, MAR1004RM, held by Todd Heimlich
August 22, 2023: REHABILITATION OF SECTIONS 24 & 25 WATER MAINS, Watertown, MAR1004RN, held by Albanese D&S, Inc.
August 22, 2023: 12, 14 & 24 SOUTH HUNT ROAD, Amesbury, MAR1004RO, held by Onyx Corporation
August 22, 2023: LELAND HOUSE, Waltham, MAR1004RP, held by Dellbrook JKS
August 22, 2023: SAFSTOR ESSEX, LLC, Lawrence, MAR1004RQ, held by Shawn McDonald

142 MYSTIC AVENUE MEDFORD MA among its neighbors

EPA’s permit file holds 157 discharge permits in the Mystic River-Frontal Boston Harbor subwatershed (HUC 010900010502), MAR1004RK among them.

Other permits in the Mystic River-Frontal Boston Harbor subwatershed (HUC 010900010502)

0 SOUTH FARM ROAD, Everett: MAG912155, minor permit, permit term to August 1, 2027
10 & 20 EXECUTIVE DRIVE, STONEHAM, Stoneham: MAR1005SA, minor permit, permit term to February 16, 2027
100, 125, 150 CAMBRIDGEPARK DRIVE, Cambridge: MAR1002G8, minor permit, permit term to February 15, 2022
101 SMITH PLACE, Cambridge: MAR10037T, minor permit, permit term to February 15, 2022
1165R MASS AVE RESIDENTIAL DEVELOPMENT, Arlington: MAR1003QJ, minor permit, permit term to February 15, 2022
128 SPRING STREET, Everett: MAR1005EI, minor permit, permit term to February 16, 2027
212 BEACHAM STREET EVERETT, MA, Everett: MAR1004Y1, minor permit, permit term to February 16, 2027
299 BROADWAY, Somerville: MAR10063U, minor permit, permit term to February 16, 2027
35 GARVEY STREET, EVERETT MA 02149, Everett: MAR1003QR, minor permit, permit term to February 15, 2022
35 GREEN STREET, Malden: MAG912301, minor permit, permit term to August 1, 2027

What the register holds for 142 MYSTIC AVENUE MEDFORD MA: its NPDES ID, its permit type and status, its dates, its address in Medford, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1004RK.

Identity

Facility as filed	142 MYSTIC AVENUE MEDFORD MA
Permittee as filed	Haynes Group, Inc.
NPDES ID	MAR1004RK
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	August 21, 2023
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Medford, MA 02155
Receiving water impaired	303(D) Listed
Subwatershed	Mystic River-Frontal Boston Harbor (HUC 010900010502)

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 MAR1004RK.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1004RK.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1004RK.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MAR1004RK.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

142 MYSTIC AVENUE MEDFORD MA is among 19 storm water construction permits in Medford, and 0.0% of those have a violation on record. The Mystic River-Frontal Boston Harbor subwatershed holds 157 NPDES permits, and 21.1% of the 19 Medford permits, including this permit, have an earlier issue date than it.