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Harbor Island (Lead)

NPL Site
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Seattle, WA

According to the EPA Superfund Enterprise Management System, Harbor Island (Lead) in Seattle, WA is listed with NPL status NPL Site. Its Hazard Ranking System (HRS) score is 34.60. The public extract catalogs 102 contaminant records for this site. 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 Washington environmental agency.

What is the cleanup status of this Superfund site?

NPL Status
NPL Site
Federal Facility
No
Construction Complete
No
HRS Score
34.60
Deleted from NPL
No

Contaminants

Contaminant Media
1,1,1-TRICHLOROETHANE Groundwater
1,2-DIHYDROACENAPHTHYLENE Sediment
1,4-DICHLOROBENZENE Sediment
2,4-DIMETHYLPHENOL Sediment
2-METHYLNAPHTHALENE Sediment
9H-FLUORENE Sediment
ALPHA-HEXACHLOROCYCLOHEXANE Fish Tissue
ALPHA-HEXACHLOROCYCLOHEXANE Sediment
AMMONIA Groundwater
ANTHRACENE Sediment
ANTIMONY Soil
AROCLOR 1242 Soil
AROCLOR 1248 Soil
AROCLOR 1254 Soil
AROCLOR 1260 Soil
ARSENIC Fish Tissue
ARSENIC Groundwater
ARSENIC Sediment
ARSENIC Soil
BENZENE Groundwater
BENZENE Soil
BENZO(B)FLUORANTHENE Soil
BENZO(GHI)PERYLENE Sediment
BENZO(K)FLUORANTHENE Soil
BENZO[A]ANTHRACENE Sediment
BENZO[A]ANTHRACENE Soil
BENZO[A]PYRENE Sediment
BENZO[A]PYRENE Soil
BIS(2-ETHYLHEXYL)PHTHALATE Sediment
BUTYL BENZYL PHTHALATE Sediment
CADMIUM Fish Tissue
CADMIUM Groundwater
CADMIUM Sediment
CADMIUM Soil
CARBON TETRACHLORIDE Groundwater
CARCINOGENIC POLYCYCLIC AROMATIC HYDROCARBONS (cPAH) Fish Tissue
CARCINOGENIC POLYCYCLIC AROMATIC HYDROCARBONS (cPAH) Sediment
CHLORDANE Fish Tissue
CHLORDANE Sediment
CHLORINATED DIOXINS AND FURANS Fish Tissue
CHLORINATED DIOXINS AND FURANS Sediment
CHLOROETHENE (VINYL CHLORIDE) Groundwater
CHROMIUM Soil
CHRYSENE Sediment
CHRYSENE Soil
COPPER Fish Tissue
COPPER Groundwater
COPPER Sediment
CYANIDE Groundwater
DIBENZO(A,H)ANTHRACENE Sediment
DIBENZO(A,H)ANTHRACENE Soil
DIBENZOFURAN Sediment
DIBUTYL PHTHALATE Sediment
DIELDRIN Fish Tissue
DIELDRIN Sediment
ETHYLBENZENE Groundwater
ETHYLBENZENE Soil
FLUORANTHENE Sediment
HEPTACHLOR Fish Tissue
HEPTACHLOR Sediment
HEPTACHLOR EPOXIDE Fish Tissue
HEPTACHLOR EPOXIDE Sediment
INDENO(1,2,3-CD)PYRENE Sediment
INDENO(1,2,3-CD)PYRENE Soil
LEAD Groundwater
LEAD Sediment
LEAD Soil
MERCURY Groundwater
MERCURY Sediment
MERCURY Soil
MIREX Fish Tissue
MIREX Sediment
N,N-DIPHENYLNITROUS AMIDE Sediment
NAPHTHALENE Fish Tissue
NICKEL Groundwater
ORGANICS Soil
P,P'-DDT Sediment
PENTACHLOROPHENOL Fish Tissue
PENTACHLOROPHENOL Sediment
PHENANTHRENE Sediment
PHENOL Sediment
POLYCHLORINATED BIPHENYLS (PCBs) Fish Tissue
POLYCHLORINATED BIPHENYLS (PCBs) Groundwater
POLYCHLORINATED BIPHENYLS (PCBs) Sediment
POLYCHLORINATED BIPHENYLS (PCBs) Soil
POLYCYCLIC AROMATIC HYDROCARBONS (PAHS) Sediment
POLYCYCLIC AROMATIC HYDROCARBONS (PAHS) Soil
POLYCYCLIC AROMATIC HYDROCARBONS, HIGH MOLECULAR WEIGHT (HPAHS) Sediment
POLYCYCLIC AROMATIC HYDROCARBONS, LOW MOLECULAR WEIGHT (LPAHS) Sediment
PYRENE Sediment
SILVER Groundwater
TETRACHLOROETHENE Groundwater
THALLIUM Groundwater
TOLUENE Soil
TOTAL BENZOFLUORANTHENES Sediment
TOTAL PETROLEUM HYDROCARBONS (TPH) Soil
VANADIUM Fish Tissue
XYLENE (MIXED ISOMERS) Groundwater
XYLENE (MIXED ISOMERS) Soil
ZINC Fish Tissue
ZINC Groundwater
ZINC Sediment

Location

City
Seattle
State
Washington
Coordinates
47.5794, -122.3522

Other Superfund Sites in Washington

Site Name Status HRS Score
ALCOA (Vancouver Smelter) Deleted NPL Site 57.80
American Crossarm & Conduit Co. Deleted NPL Site 30.44
American Lake Gardens/McChord AFB NPL Site 28.90
Bangor Naval Submarine Base NPL Site 55.91
Bangor Ordnance Disposal (USNAVY) NPL Site 30.42
Bonneville Power Administration Ross Complex (USDOE) Deleted NPL Site 53.67
Boomsnub/Airco NPL Site 0.00
Bremerton Gasworks NPL Site 50.00
Centralia Municipal Landfill NPL Site 36.36
Colbert Landfill NPL Site 41.59

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

Of the 69 Washington Superfund sites with a scored Hazard Ranking System (HRS) evaluation, Harbor Island (Lead) ranks #52 by score (34.60).

Either side of it: Fort Lewis Logistics Center (35.48), Mica Landfill (34.64), Queen City Farms (34.38), Northwest Transformer (33.82)

Frequently Asked Questions

What is the Harbor Island (Lead) Superfund site? ▼
Harbor Island (Lead), in Seattle, WA, sits toward the lower end of Washington's Hazard Ranking System scores (HRS 34.60, rank #52 of 69 scored sites) among the state's Superfund sites. A lower HRS rank within the state does not mean no cleanup obligation -- Superfund sites are contaminated locations identified by the EPA for long-term cleanup under CERCLA regardless of relative score.
What does NPL listing mean for Harbor Island (Lead)? ▼
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. Construction-complete status is not marked in the EPA record for 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 Harbor Island (Lead)? ▼
Harbor Island (Lead)'s Hazard Ranking System (HRS) score is 34.60, placing it #52 of 69 Washington Superfund sites with a scored HRS evaluation -- among the lower-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 Harbor Island (Lead) site? ▼
The EPA public Superfund extract catalogs 102 contaminants at Harbor Island (Lead), 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 Harbor Island (Lead)? ▼
Harbor Island (Lead) is currently NPL Site on the National Priorities List. 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.

Read our methodology - how this data is sourced, computed, and verified.

Related

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