Clean Water Act discharge permit · NPDES MAR053645

SUNSET BAY MARINA, LLC, Hull, MA: NPDES MAR053645 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

SUNSET BAY MARINA, LLC, held by Sunset Bay Marina, holds NPDES permit MAR053645. EPA’s file records it issued October 29, 2015 and expiring June 3, 2020.

SUNSET BAY MARINA, LLC, Hull, Massachusetts: Coverage under a general permit MAR053645, held by Sunset Bay Marina; Industrial stormwater; Effective; issued October 29, 2015, term to June 3, 2020, by U.S. EPA.

Iron, total [as Fe]: 3 limits, 14 violations of any kind, 0 effluent exceedances.
Zinc, total [as Zn]: 3 limits, 14 violations of any kind, 0 effluent exceedances.
Aluminum, total [as Al]: 3 limits, 14 violations of any kind, 0 effluent exceedances.
Lead, total [as Pb]: 3 limits, 13 violations of any kind, 0 effluent exceedances.
Copper, total [as Cu]: 3 limits, 11 violations of any kind, 0 effluent exceedances.
Polychlorinated biphenyls [PCBs]: 3 limits, 5 violations of any kind, 0 effluent exceedances.
Coliform, fecal general: 3 limits, 4 violations of any kind, 0 effluent exceedances.

Massachusetts holds 1,007 Industrial stormwater coverages of this permit type in EPA’s file; 88 were issued before MAR053645.

Coverages issued nearest MAR053645

October 23, 2015: BRIDGE MARINA, INC., Salisbury, MAR053626, held by Bridge Marina
October 28, 2015: TPI COMPOSITES, Fall River, MANOE3723, held by TPI
October 29, 2015: RAYTHEON COMPANY, Sudbury, MANOE3724, held by RAYTHEON
October 29, 2015: RAYTHEON COMPANY MARLBOROUGH FACILITY, Marlborough, MANOE3725, held by Raytheon Company
October 29, 2015: BONDI ISLAND SANITARY LANDFILL, Agawam, MAR053641, held by Bondi Island Sanitary Landfill
October 31, 2015: BOSTON FISH PIER, South Boston, MAR053656, held by MASSACHUSETTS PORT AUTHORITY
November 2, 2015: OLYMPIC SYSTEMS, Winchester, MANOE3741
November 3, 2015: RAYTHEON COMPANY WOBURN, Woburn, MANOE3743, held by Raytheon Company
November 4, 2015: CONTINENTAL POLYMERS DIV OF HUDSON COLOR CONCENTRATES, Leominster, MANOE3744, held by Continental Polymers Div. of Hudson Color Concentrates
November 6, 2015: COVANTA HAVERHILL, INC., Haverhill, MAR053674, held by COVANTA HAVERHILL

SUNSET BAY MARINA, LLC among its neighbors

EPA’s permit file holds 45 discharge permits in the Weir River-Frontal Hingham Bay subwatershed (HUC 010900010902), MAR053645 among them. Its county holds 142, 10 of them major permits; MAR053645 is a minor permit.

Other permits in the Weir River-Frontal Hingham Bay subwatershed (HUC 010900010902)

101 GARDNER STREET, Hingham: MAR1003RN, minor permit, permit term to February 16, 2027
15 HIGH ST, Norwell: MAR10046F, minor permit, permit term to February 16, 2027
199 WARD STREET, Hingham: MAR1005H9, minor permit, permit term to February 16, 2027
26-32 LAMBERTS LANE COHASSET, MA, Cohasset: MAR1005ZK, not classed
6 MARTINS COVE LANE, HINGHAM MA, Hingham: MAR1005RF, minor permit, permit term to February 16, 2027
73 ABINGTON STREET/ WAREHOUSE FACILITY, Hingham: MAR1004WD, minor permit, permit term to February 16, 2027
910-920 BROAD STREET - JACKSON SQUARE, WEYMOUTH, MASSACHUSETTS, Weymouth: MAR1005ZE, minor permit, permit term to February 16, 2027
AGGREGATE INDUSTRIES, Weymouth: MAR05D701, not classed
AMAZON.COM SERVICES LLC - DBC6, Hingham: MAR05J06K, minor permit, permit term to February 28, 2026
BOSTON CHILDREN'S HOSPITAL WEYMOUTH, Weymouth: MAR1003OB, minor permit, permit term to February 15, 2022

Identity

Facility as filed	SUNSET BAY MARINA, LLC
Permittee as filed	Sunset Bay Marina
NPDES ID	MAR053645
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	October 29, 2015
Expiration date	June 3, 2020
Issuing agency	U.S. EPA
Address	Hull, MA 02045
Subwatershed	Weir River-Frontal Hingham Bay (HUC 010900010902)
SIC	4493 – Marinas

Effluent limits and exceedances

7Pollutants on file
7Under a numeric limit
7With a violation of any kind
0With 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
Iron, total [as Fe]	3	14
Zinc, total [as Zn]	3	14
Aluminum, total [as Al]	3	14
Lead, total [as Pb]	3	13
Copper, total [as Cu]	3	11
Polychlorinated biphenyls [PCBs]	3	5
Coliform, fecal general	3	4

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAR053645.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR053645.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR053645.

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 MAR053645.

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

This public-records page covers Clean Water Act NPDES permit MAR053645, held by SUNSET BAY MARINA, LLC (permittee as filed: Sunset Bay Marina) in Hull, MA, under the industrial stormwater program, with a status of Effective and a Minor discharger class. The page lists 7 pollutants on file, 7 under a numeric limit, 7 with a violation of any kind, and 0 with an effluent exceedance.