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Superfund / NPL site · EPA Superfund SEMS through latest publishNPL Final

Commencement Bay, Near Shore/Tide Flats

This site is currently on the EPA Superfund National Priorities List and remains under federal cleanup oversight. Most-cited contaminant of concern: Copper.

Adj To Ruston Way & Tideflats Ind. Area, Tacoma, Washington · ZIP 98421 · EPA ID WAD980726368

See Pierce ContaminantsEquity contextHow we read Superfund data
CLEANUP TIMELINE

Listing-date and cleanup-phase enrichment from EPA's per-site SEMS profile is queued for a follow-up ingest pass. Until then, this section will populate from EPA's published timeline data.

Anomaly engine

Notable Signals

No notable signals at this Superfund site for the current ingest. Cleanup-phase and SEMS-action flags are deferred to a follow-up engineering pass.

Contaminants of concern · per EPA SEMS

What's In This Site

Each row pairs a contaminant with the medium it was found in (the exposure pathway). Hover any named contaminant for an agency-cited health-risk summary. Cited count = number of SEMS decision records (RODs and related) that name the pair.

ContaminantPathwayCited
CopperHealth riskInhaled copper fumes cause metal-fume fever; chronic ingestion above EPA's 1.3 mg/L action level damages the liver. (EPA)Sediment3
LeadHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR)Soil3
MercuryHealth riskNeurotoxin. Methylmercury bioaccumulates up the food chain and damages the developing nervous system. (EPA, ATSDR)Sediment3
Polychlorinated Biphenyls (Pcbs)Health riskPCBs. IARC Group 1 carcinogen; immune, reproductive, and neurological effects; bioaccumulate in fish and breast milk. Banned in 1979; persist as legacy contamination. (IARC, EPA)Sediment3
Polycyclic Aromatic Hydrocarbons (Pahs)Health riskPAH class includes IARC Group 1 carcinogens (e.g., benzo[a]pyrene); long-term exposure raises cancer risk. (IARC, EPA)Sediment3
4-Methylphenol (P-Cresol)Sediment2
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Sediment2
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Soil2
CadmiumSediment2
HexachlorobenzeneSediment2
LeadHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR)Groundwater2
LeadHealth riskNeurotoxin. Even low childhood exposure impairs cognitive development; chronic adult exposure damages kidneys and the cardiovascular system. (EPA, ATSDR)Sediment2
Polychlorinated Biphenyls (Pcbs)Health riskPCBs. IARC Group 1 carcinogen; immune, reproductive, and neurological effects; bioaccumulate in fish and breast milk. Banned in 1979; persist as legacy contamination. (IARC, EPA)Soil2
Polycyclic Aromatic Hydrocarbons (Pahs)Health riskPAH class includes IARC Group 1 carcinogens (e.g., benzo[a]pyrene); long-term exposure raises cancer risk. (IARC, EPA)Soil2
ZincHealth riskGenerally low acute toxicity. Chronic high-dose exposure disrupts copper absorption and immune function. (ATSDR)Sediment2
AnilineGroundwater1
AnilineSoil1
AnilineSurface Water1
AntimonyHealth riskInhaled antimony trioxide is an IARC Group 2B possible carcinogen; respiratory and cardiovascular effects from long-term exposure. EPA MCL 6 µg/L. (IARC, EPA)Groundwater1
AntimonyHealth riskInhaled antimony trioxide is an IARC Group 2B possible carcinogen; respiratory and cardiovascular effects from long-term exposure. EPA MCL 6 µg/L. (IARC, EPA)Soil1
AntimonyHealth riskInhaled antimony trioxide is an IARC Group 2B possible carcinogen; respiratory and cardiovascular effects from long-term exposure. EPA MCL 6 µg/L. (IARC, EPA)Surface Water1
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Air1
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Buildings/Structures1
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Debris1
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Fish Tissue1
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Groundwater1
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Other1
ArsenicHealth riskIARC Group 1 carcinogen via inhalation and ingestion. EPA MCL 10 µg/L; chronic exposure causes skin, lung, bladder cancer and cardiovascular disease. (IARC, EPA, ATSDR)Surface Water1
BenzeneHealth riskIARC Group 1 carcinogen. Long-term inhalation causes leukemia and bone-marrow disorders. (IARC, EPA)Groundwater1
BenzeneHealth riskIARC Group 1 carcinogen. Long-term inhalation causes leukemia and bone-marrow disorders. (IARC, EPA)Liquid Waste1

Showing the top 30 pairs by SEMS citation count. 59 additional (contaminant, pathway) pairs are recorded for this site.

Drinking-water linkage · SDWIS

Groundwater Systems Serving Communities Within 3 Miles

The 125 systems below draw on groundwater (or mixed sources) and serve communities whose centroid sits within 3 miles of this site. Distance is to the served-city centroid — SDWIS does not expose individual wellhead locations, so this is a proximity screen, not a wellhead-impact assessment.

Water systemServesDistancePopulation servedSourceStatus
Lookout Point PrivateTacoma2.3 mi72GROUNDWATERIn compliance
Cedarwood South Union Estates PrivateTacoma2.3 mi119GROUNDWATERIn compliance
Glenwood Station PrivateTacoma2.3 mi144GROUNDWATERIn compliance
Winddrift Well PrivateTacoma2.3 mi53GROUNDWATERIn compliance
Aspinwall Estates PrivateTacoma2.3 mi93GROUNDWATERIn compliance
Allyn Shopping Center PrivateTacoma2.3 mi414GROUNDWATERIn compliance
Alpine Hills PrivateTacoma2.3 mi363GROUNDWATERIn compliance
Lacamas Farmsteads PrivateTacoma2.3 mi615GROUNDWATERIn compliance
Little Tree PrivateTacoma2.3 mi143GROUNDWATERIn compliance
Eagle Estates PrivateTacoma2.3 mi53GROUNDWATERIn compliance
Karen Place PrivateTacoma2.3 mi53GROUNDWATERIn compliance
Cristalina PrivateTacoma2.3 mi225GROUNDWATERIn compliance
Artondale PrivateTacoma2.3 mi5,828GROUNDWATERIn compliance
Curries Landing PrivateTacoma2.3 mi61GROUNDWATERIn compliance
Creekside Meadows Division Ii PrivateTacoma2.3 mi85GROUNDWATERIn compliance
Belwood Park PrivateTacoma2.3 mi66GROUNDWATERIn compliance
Bethel Green Acres Water Assn PrivateTacoma2.3 mi522GROUNDWATERIn compliance
Nelson Ridge PrivateTacoma2.3 mi232GROUNDWATERIn compliance
Inlets End PrivateTacoma2.3 mi45GROUNDWATERIn compliance
Forest Park PrivateTacoma2.3 mi127GROUNDWATERIn compliance
Henderson Boulevard PrivateTacoma2.3 mi418GROUNDWATERIn compliance
Skookum Ranch PrivateTacoma2.3 mi60GROUNDWATERIn compliance
Brookhaven PrivateTacoma2.3 mi32GROUNDWATERIn compliance
Rosedale East PrivateTacoma2.3 mi798GROUNDWATERIn compliance
Delta Long Lk Acre Tracts PrivateTacoma2.3 mi53GROUNDWATERIn compliance
Hintzville Acres PrivateTacoma2.3 mi170GROUNDWATERIn compliance
Camelot And Western Skies PrivateTacoma2.3 mi228GROUNDWATERIn compliance
Foxhall PrivateTacoma2.3 mi549GROUNDWATERIn compliance
Cedar Crest PrivateTacoma2.3 mi2,954GROUNDWATERIn compliance
Cedar Grove PrivateTacoma2.3 mi156GROUNDWATERIn compliance
Cedarbrook PrivateTacoma2.3 mi93GROUNDWATERIn compliance
Rainwood PrivateTacoma2.3 mi48GROUNDWATERIn compliance
Four Corners PrivateTacoma2.3 mi77GROUNDWATERIn compliance
Clark & Owens Water System PrivateTacoma2.3 mi26GROUNDWATERIn compliance
Crescent Park PrivateTacoma2.3 mi53GROUNDWATERIn compliance
Cuyamaca Village PrivateTacoma2.3 mi106GROUNDWATERIn compliance
Andrews First PrivateTacoma2.3 mi299GROUNDWATERIn compliance
May Volt Hills PrivateTacoma2.3 mi106GROUNDWATERIn compliance
Ryanwood PrivateTacoma2.3 mi64GROUNDWATERIn compliance
Driftwood Valley Assoc (Dva) PrivateTacoma2.3 mi151GROUNDWATERUNRESOLVED
Sehmel Road PrivateTacoma2.3 mi42GROUNDWATERIn compliance
Lake Lawrence PrivateTacoma2.3 mi914GROUNDWATERIn compliance
Bar B Estate Manor PrivateTacoma2.3 mi96GROUNDWATERIn compliance
Sivo Acres PrivateTacoma2.3 mi66GROUNDWATERIn compliance
Evergreen Shores PrivateTacoma2.3 mi1,329GROUNDWATERIn compliance
Southcreek #1 PrivateTacoma2.3 mi69GROUNDWATERIn compliance
Black Lake Estates PrivateTacoma2.3 mi329GROUNDWATERIn compliance
Ranch Acre PrivateTacoma2.3 mi109GROUNDWATERIn compliance
Greenbriar PrivateTacoma2.3 mi37GROUNDWATERIn compliance
Brookdale Owners Association PrivateTacoma2.3 mi35GROUNDWATERIn compliance
Greenwood Estates PrivateTacoma2.3 mi61GROUNDWATERIn compliance
Pacific Ventures PrivateTacoma2.3 mi69GROUNDWATERIn compliance
Crystal Springs PrivateTacoma2.3 mi37GROUNDWATERIn compliance
Harbor Heights PrivateTacoma2.3 mi188GROUNDWATERIn compliance
Holiday Ranchettes PrivateTacoma2.3 mi1,050GROUNDWATERIn compliance
Holly Tides PrivateTacoma2.3 mi140GROUNDWATERIn compliance
Homestead Acres PrivateTacoma2.3 mi109GROUNDWATERIn compliance
Horizons West PrivateTacoma2.3 mi3,454GROUNDWATERIn compliance
Ranch PrivateTacoma2.3 mi183GROUNDWATERUNRESOLVED
Cole PrivateTacoma2.3 mi257GROUNDWATERIn compliance
Glenwood Farms 2 West PrivateTacoma2.3 mi48GROUNDWATERIn compliance
Glenwood Farms 1 East PrivateTacoma2.3 mi87GROUNDWATERIn compliance
Israel Place San Angelo Park PrivateTacoma2.3 mi146GROUNDWATERIn compliance
Johanson PrivateTacoma2.3 mi148GROUNDWATERIn compliance
Crescent Valley #333 PrivateTacoma2.3 mi91GROUNDWATERIn compliance
Kopachuck PrivateTacoma2.3 mi236GROUNDWATERIn compliance
Walden Water PrivateTacoma2.3 mi34GROUNDWATERIn compliance
Lake Tuck PrivateTacoma2.3 mi143GROUNDWATERIn compliance
Cascade Highlands PrivateTacoma2.3 mi93GROUNDWATERIn compliance
Lee PrivateTacoma2.3 mi193GROUNDWATERIn compliance
Libby Road East PrivateTacoma2.3 mi85GROUNDWATERIn compliance
Mainland View Manor PrivateTacoma2.3 mi143GROUNDWATERIn compliance
Clear Creek Estates PrivateTacoma2.3 mi101GROUNDWATERIn compliance
Little Lake Mobile Home Park PrivateTacoma2.3 mi65GROUNDWATERUNRESOLVED
Long Lake View Est 1 PrivateTacoma2.3 mi39GROUNDWATERIn compliance
Madrona Point PrivateTacoma2.3 mi111GROUNDWATERIn compliance
Muck Creek Hill PrivateTacoma2.3 mi46GROUNDWATERIn compliance
Minterbrook PrivateTacoma2.3 mi5,083GROUNDWATERIn compliance
Minter Creek Rapids PrivateTacoma2.3 mi137GROUNDWATERIn compliance
Lake Minterwood PrivateTacoma2.3 mi1,539GROUNDWATERIn compliance
Mirrormont PrivateTacoma2.3 mi2,083GROUNDWATERIn compliance
Cascade Highlands North PrivateTacoma2.3 mi119GROUNDWATERIn compliance
Jackson Lake South PrivateTacoma2.3 mi225GROUNDWATERIn compliance
Nisqually Park PrivateTacoma2.3 mi218GROUNDWATERIn compliance
Phelps Road PrivateTacoma2.3 mi58GROUNDWATERIn compliance
Olalla PrivateTacoma2.3 mi239GROUNDWATERIn compliance
Classic Heights PrivateTacoma2.3 mi480GROUNDWATERIn compliance
Olympic Mall PrivateTacoma2.3 mi2,681GROUNDWATERIn compliance
Foss Road PrivateTacoma2.3 mi119GROUNDWATERIn compliance
Palmer Lake PrivateTacoma2.3 mi1,924GROUNDWATERIn compliance
Parkshore Estates PrivateTacoma2.3 mi183GROUNDWATERUNRESOLVED
Parkland Light & Water Company PrivateTacoma2.3 mi29,595GROUNDWATERUNRESOLVED
Parkview Terrace PrivateTacoma2.3 mi3,730GROUNDWATERIn compliance
Peacock Hill PrivateTacoma2.3 mi7,401GROUNDWATERIn compliance
Bucklin PrivateTacoma2.3 mi402GROUNDWATERIn compliance
Pine Lake Mobile Home Est 1 3 PrivateTacoma2.3 mi207GROUNDWATERIn compliance
Point Evans PrivateTacoma2.3 mi5,211GROUNDWATERIn compliance
Purdy Acres East PrivateTacoma2.3 mi85GROUNDWATERIn compliance
Quistorff PrivateTacoma2.3 mi1,113GROUNDWATERIn compliance
Raft Island PrivateTacoma2.3 mi575GROUNDWATERIn compliance
Red Cedar Estates PrivateTacoma2.3 mi34GROUNDWATERIn compliance
Regency Park PrivateTacoma2.3 mi123GROUNDWATERIn compliance
River Park PrivateTacoma2.3 mi277GROUNDWATERIn compliance
Riverview PrivateTacoma2.3 mi95GROUNDWATERIn compliance
Rocky Bay PrivateTacoma2.3 mi34GROUNDWATERIn compliance
Rolling Firs Evergreen Terrace PrivateTacoma2.3 mi514GROUNDWATERIn compliance
Rondelay Meadows PrivateTacoma2.3 mi90GROUNDWATERIn compliance
Rosedale Community Club PrivateTacoma2.3 mi96GROUNDWATERIn compliance
Rosedale Heights Trailer Park PrivateTacoma2.3 mi444GROUNDWATERIn compliance
Royalwood PrivateTacoma2.3 mi111GROUNDWATERIn compliance
S & I PrivateTacoma2.3 mi482GROUNDWATERIn compliance
Schmid PrivateTacoma2.3 mi37GROUNDWATERIn compliance
Henderson Bay PrivateTacoma2.3 mi61GROUNDWATERIn compliance
Shaws Cove PrivateTacoma2.3 mi217GROUNDWATERIn compliance
Shorecrest PrivateTacoma2.3 mi289GROUNDWATERIn compliance
Silver Springs Estates PrivateTacoma2.3 mi80GROUNDWATERIn compliance
Spruce Road PrivateTacoma2.3 mi80GROUNDWATERIn compliance
Strattonwood PrivateTacoma2.3 mi220GROUNDWATERIn compliance
Strohs Water Company Inc PrivateTacoma2.3 mi3,192GROUNDWATERIn compliance
Summerhill PrivateTacoma2.3 mi42GROUNDWATERIn compliance
Summit Water & Supply Co PrivateTacoma2.3 mi16,109GROUNDWATERIn compliance
Sunshine Acres PrivateTacoma2.3 mi1,074GROUNDWATERIn compliance
Verdan Anderson Hill PrivateTacoma2.3 mi37GROUNDWATERIn compliance
Wicks Lake Ranches PrivateTacoma2.3 mi615GROUNDWATERIn compliance
Golden Meadow PrivateTacoma2.3 mi90GROUNDWATERIn compliance

Methodology: served-city centroid (TIGER 2020) is used as the PWS coordinate. Source-water classification from SDWIS primary_source_code; only groundwater and mixed-source systems are queried. Click any system above for its full SDWIS profile.

Equity context · ACS 2018-2022 block-group demographics

Who Lives Near This Site

Within 1 mile of this site (1 Census block groups, population-weighted demographics): a population of 1,792. Why we surface this →

POPULATION SHARE
42.8%

Low-income

POPULATION SHARE
45.6%

People of color

POPULATION SHARE
0.3%

Under age 5

POPULATION SHARE
11.9%

Over age 64

Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 1-mile buffer around this site (from USEPA-clone/EJAM-open blockgroupstats). NPL site proximity contributes to the national EJ pattern; indicator-level percentile and disparity scores are surfaced on the county page and the state page.

Source. EPA Superfund Enterprise Management System (SEMS) · retrieved 2026-05-07. SEMS is a federal public-domain dataset under 17 USC §105.

What this is not. We report EPA's published Superfund record — site listing, status, and contaminants of concern as named in EPA's decision documents. We do not perform site visits, independent air or water sampling, or current-state health-risk assessment. NPL listing reflects EPA's Hazard Ranking Score at a point in time; it does not by itself describe present-day exposure.