Sutton Brook Disposal Area

NPL Site
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Tewksbury, MA

According to the EPA Superfund Enterprise Management System, Sutton Brook Disposal Area in Tewksbury, MA is listed with NPL status NPL Site. Its Hazard Ranking System (HRS) score is 57.12. The public extract catalogs 74 contaminant records for this site. EPA marks construction of the cleanup remedy as complete. NPL listing is a cleanup-authority designation, not a measured health-risk score.

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Superfund National Priorities List inclusion (status and HRS score shown above) is the EPA's formal designation that a contaminated site qualifies for long-term federal cleanup authority under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). A federal-facility classification means the site is owned or operated by a federal agency, which routes cleanup responsibility differently than a privately owned site.

"Construction Complete" (status shown above) is an EPA milestone marking that the physical remedy work is finished, not that the site has exited EPA oversight; long-term monitoring can continue afterward. Deletion from the NPL is a separate, later step the EPA takes only once it determines every planned response action is finished.

NPL listing is a cleanup-authority designation in the EPA record, not a quantitative health-risk score. HRS scores of 28.50 or above qualify a site for the NPL under the EPA screening model (toxicity, pathways, waste quantity, and affected population factors). For current site conditions and official community notices, see the EPA Regional Superfund profile and the Massachusetts environmental agency.

What is the cleanup status of this Superfund site?

NPL Status
NPL Site
Federal Facility
No
Construction Complete
Yes
HRS Score
57.12
Deleted from NPL
No

Contaminants

Contaminant Media
1,1,2-TRICHLOROETHANE Groundwater
1,1-DICHLOROETHANE Groundwater
1,2,4-TRIMETHYLBENZENE Sediment
1,2,4-TRIMETHYLBENZENE Soil
1,2-DICHLOROETHANE Groundwater
1,2-DICHLOROETHENE (CIS AND TRANS MIXTURE) Groundwater
1,2-DICHLOROPROPANE Groundwater
1,3,5-TRIMETHYLBENZENE Sediment
1,3,5-TRIMETHYLBENZENE Soil
1,4-DICHLOROBENZENE Groundwater
1,4-DIOXANE Groundwater
1-NITROSOPYRROLIDINE Groundwater
2-BUTANONE (METHYL ETHYL KETONE) Groundwater
2-METHYLANILINE Groundwater
2-METHYLPHENOL (O-CRESOL) Groundwater
2-METHYLPHENOL (O-CRESOL) Sediment
2-PROPENENITRILE (ACRYLONITRILE) Groundwater
4-METHYL-2-PENTANONE (METHYL ISOBUTYL KETONE) Groundwater
4-METHYL-2-PENTANONE (METHYL ISOBUTYL KETONE) Sediment
4-METHYLPHENOL (P-CRESOL) Groundwater
ACETONE Groundwater
ACETONE Sediment
ALPHA-HEXACHLOROCYCLOHEXANE Groundwater
ANTIMONY Groundwater
AROCLOR 1254 Groundwater
ARSENIC Groundwater
BENZENE Groundwater
BENZO(B)FLUORANTHENE Soil
BENZO(K)FLUORANTHENE Soil
BENZO[A]ANTHRACENE Soil
BENZO[A]PYRENE Soil
BERYLLIUM Groundwater
BIS(2-ETHYLHEXYL)PHTHALATE Groundwater
BIS(2-ETHYLHEXYL)PHTHALATE Soil
CADMIUM Groundwater
CARBON DISULFIDE Sediment
CARBON TETRACHLORIDE Groundwater
CHLOROETHANE Sediment
CHLOROETHENE (VINYL CHLORIDE) Groundwater
CHLOROFORM Groundwater
CHROMIUM Groundwater
CIS-1,2-DICHLOROETHENE Groundwater
DI-N-OCTYL PHTHALATE Soil
DIBENZO(A,H)ANTHRACENE Soil
DICHLOROMETHANE (METHYLENE CHLORIDE) Groundwater
ETHYLBENZENE Groundwater
ETHYLBENZENE Sediment
ETHYLBENZENE Soil
ETHYLBENZENE Surface Water
INDENO(1,2,3-CD)PYRENE Soil
LEAD Soil
MANGANESE Groundwater
N,N-DIBUTYLNITROUS AMIDE Groundwater
NAPHTHALENE Groundwater
NAPHTHALENE Soil
P,P'-DDT Surface Water
PHENOL Groundwater
PROPYLBENZENE Groundwater
PYRIDINE Groundwater
SILVER Groundwater
TETRACHLOROETHENE Groundwater
TETRAHYDROFURAN Groundwater
THALLIUM Groundwater
TOLUENE Groundwater
TOLUENE Sediment
TOLUENE Soil
TOLUENE Surface Water
TRICHLOROETHENE Groundwater
XYLENE (MIXED ISOMERS) Groundwater
XYLENE (MIXED ISOMERS) Sediment
XYLENE (MIXED ISOMERS) Soil
XYLENE (MIXED ISOMERS) Surface Water
ZINC Groundwater
ZINC Soil

Location

City
Tewksbury
Coordinates
42.5982, -71.1832

Other Superfund Sites in Massachusetts

Site Name Status HRS Score
Atlas Tack Corp. NPL Site 42.60
Baird & McGuire NPL Site 66.35
BJAT LLC NPL Site 41.91
Blackburn and Union Privileges NPL Site 50.00
Cannon Engineering Corp. (CEC) Deleted NPL Site 39.89
Charles-George Reclamation Trust Landfill NPL Site 47.20
Creese & Cook Tannery (Former) NPL Site 60.57
Fort Devens NPL Site 42.24
Fort Devens-Sudbury Training Annex Deleted NPL Site 35.57
GE - Housatonic River Proposed NPL Site 70.71

How does this site's HRS score compare in Massachusetts?

Of the 41 Massachusetts Superfund sites with a scored Hazard Ranking System (HRS) evaluation, Sutton Brook Disposal Area ranks #9 by score (57.12).

Either side of it: Nuclear Metals, Inc. (58.31), Walton & Lonsbury Inc. (58.30), Hatheway and Patterson Company (56.60), Plymouth Harbor/Cannon Engineering Corp. (54.82)

Frequently Asked Questions

What is the Sutton Brook Disposal Area Superfund site?
Sutton Brook Disposal Area is one of the higher hazard-ranked Superfund sites EPA tracks in Massachusetts (HRS 57.12, rank #9 of 41 scored sites in the state), located in Tewksbury, MA. Superfund sites are contaminated locations identified by the EPA for long-term cleanup under CERCLA; a higher HRS rank reflects the EPA's scoring model, not a certified danger level.
What does NPL listing mean for Sutton Brook Disposal Area?
According to the EPA, National Priorities List (NPL) listing designates a site for long-term federal Superfund cleanup authority. It is a programmatic status in the Superfund Enterprise Management System, not a quantitative health-risk score for nearby residents. EPA records mark construction of the cleanup remedy as complete at this site. Site-specific conditions and community guidance are published by EPA Regional Superfund offices and the relevant state environmental agency.
What is the HRS score for Sutton Brook Disposal Area?
Sutton Brook Disposal Area's Hazard Ranking System (HRS) score is 57.12, placing it #9 of 41 Massachusetts Superfund sites with a scored HRS evaluation -- among the higher-scored sites in the state. Sites with a score of 28.50 or greater qualify for the NPL; the model weighs contaminant toxicity, waste quantity, release likelihood, and affected population, and is not a community health diagnosis.
What contaminants are at the Sutton Brook Disposal Area site?
The EPA public Superfund extract catalogs 74 contaminants at Sutton Brook Disposal Area, documented through the remedial investigation process. Counts reflect listed records in that extract, not a complete inventory of every substance ever present.
What is the cleanup status of Sutton Brook Disposal Area?
Sutton Brook Disposal Area is currently NPL Site on the National Priorities List. Construction of the cleanup remedy has been completed. The EPA Superfund cleanup process includes phases from preliminary assessment through post-construction completion.

NPL listing is a cleanup-authority designation in the EPA record, not a quantitative health-risk score. See Superfund Sites Explained for how the National Priorities List, Hazard Ranking System, and cleanup phases work.

Related

Data sourced from the U.S. Environmental Protection Agency (EPA). See our methodology for details. Retrieved and formatted by PlainEnviro