Pierce, WA

High Risk (67/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against every other tracked county rather than against fixed national thresholds.

Environmental data for Pierce in Washington · Population: 924,106

Pierce, WA is tracked across three EPA datasets covering 41 Toxics Release Inventory (TRI) facilities, 223 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 67/100 (High Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 6.3M lbs of reported toxic releases under EPCRA Section 313, while 6 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 44 and a peak AQI of 166 in 2024, with 72% of observed days rated "Good" (0–50).

All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.

Population
924,106
TRI Facilities
41
Water Systems
223
Superfund Sites
0
Total Releases
6.3M lbs

Air Quality History (2020–2024)

EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.

Year Good Moderate Unhealthy (SG) Max AQI
2024 265 (72%) 100 0 166
2023 273 (75%) 89 0 195
2022 239 (65%) 115 9 178
2021 269 (74%) 96 0 94
2020 256 (70%) 99 4 256
2024 Good Air Quality: 72% of days
Unhealthy days: 1
Median AQI: 44

Source: EPA Air Quality System (AQS) Annual AQI by County EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)

For real-time air quality readings and pollutant breakdowns in Washington, see the EPA's AirNow.gov.

Water Systems (223)

System Population Violations
SOUTHWOOD 64,155 0
LAKEWOOD WATER DISTRICT 62,089 0
JBLM Lewis 58,497 0
BONNEY LAKE WATER DEPARTMENT CITY 42,654 0
PUYALLUP CITY OF 39,100 0
FIRGROVE MUTUAL INC 36,168 0
FIFE DEPT OF PUBLIC WORKS 32,380 0
SPANAWAY WATER COMPANY 31,908 0
SUMMIT WATER & SUPPLY CO 16,109 0
SUMNER CITY OF 15,530 0
FRUITLAND MUTUAL WATER COMPANY 15,313 0
GIG HARBOR WATER DEPT 14,902 0
DUPONT WATER SYSTEM CITY OF 13,141 0
JBLM McChord Field 13,115 0
ORTING CITY OF 10,332 0
MOUNTAIN VIEW-EDGEWOOD WATER CO 9,680 0
STEILACOOM TOWN OF 8,545 0
MILTON CITY OF 8,078 0
FIRCREST CITY OF 7,927 0
PACIFIC CITY OF 7,925 0
BUCKLEY WATER 7,411 0
PEACOCK HILL 7,401 0
ARTONDALE 5,828 0
POINT EVANS 5,211 0
MINTERBROOK 5,083 0
PARKVIEW TERRACE 3,730 0
EATONVILLE WATER DEPT 3,645 0
HORIZONS WEST 3,454 0
Fox Island Mutual Water Assoc 3,255 0
STROHS WATER COMPANY INC 3,192 0
CEDAR CREST 2,954 0
OLYMPIC MALL 2,681 0
VALLEY WATER SYSTEM 2,259 0
MIRRORMONT 2,083 0
PALMER LAKE 1,924 0
CANTERWOOD WATER SYSTEM 1,805 0
LAKE MINTERWOOD 1,539 0
TAPPS ISLAND WATER SYSTEM 1,500 0
GRAHAM HILL MUTUAL WATER CO INC 1,474 0
VIEW ROYAL WATER SYSTEM 1,461 0
LAKE JOSEPHINE RIVIERA 1,380 0
EVERGREEN SHORES 1,329 0
ROY CITY OF 1,214 0
WASHINGTON STATE CORRECTIONS-WOMEN 1,205 0
ASHFORD WATER DISTRICT 1,141 0
QUISTORFF 1,113 0
SUNSHINE ACRES 1,074 0
WILKESON WATER DEPARTMENT 1,071 0
HOLIDAY RANCHETTES 1,050 0
ROSARIO 1,031 1
The Buttes 973 0
COUNTRY/ELDORADO WATER SYSTEM 915 0
LAKE LAWRENCE 914 0
CARBONADO WATER DEPT 875 0
LAKE OF THE WOODS COMMUNITY CLUB 870 1
ROSEDALE EAST 798 0
ALDERWOOD ESTATES 635 0
LACAMAS FARMSTEADS 615 0
WICKS LAKE RANCHES 615 0
MCKENNA WATER DISTRICT 600 0
RAFT ISLAND 575 0
KEY CENTER WATER SYSTEM 561 0
RAINIER SCHOOL 556 4
FOXHALL 549 0
SHORE ACRES WATER COMPANY 540 0
BETHEL GREEN ACRES WATER ASSN 522 0
ROLLING FIRS EVERGREEN TERRACE 514 0
SOUTH FOX ISLAND WATER SYSTEM 493 0
SOUTH PRAIRIE TOWN OF 489 0
S & I 482 0
CLASSIC HEIGHTS 480 0
CHINOOK ESTATES 455 0
ROSEDALE HEIGHTS TRAILER PARK 444 0
HENDERSON BOULEVARD 418 0
ALLYN SHOPPING CENTER 414 0
EAST GIG HARBOR WATER DISTRICT 410 0
OLYMPIC SUNSET WEST 410 0
BUCKLIN 402 0
ALPINE HILLS 363 0
Sierra Water System 355 0
WINCHESTER MOBILE HOMES WATER 350 0
BLACK LAKE ESTATES 329 0
ROSEMOUNT 320 0
PARADISE ESTATES WATER DEPT INC 309 0
ANDREWS FIRST 299 0
SHORECREST 289 0
RIVER PARK 277 0
ORCAS HIGHLANDS 260 0
Cole 257 0
OLALLA 239 0
KOPACHUCK 236 0
NELSON RIDGE 232 0
MERIDIAN TERRACE MOBILE HOME PARK 229 1
CAMELOT AND WESTERN SKIES 228 0
CRISTALINA 225 0
JACKSON LAKE SOUTH 225 0
GLEN COVE WATER INC. 223 0
WOLLOCHET HARBOR CLUB INC 221 0
STRATTONWOOD 220 0
NISQUALLY PARK 218 0
SHAWS COVE 217 0
WEATHERSWOOD VISTA WATER DISTRICT 210 0
POINT FOSDICK 209 0
PINE LAKE MOBILE HOME EST 1 3 207 0
FOREST BEACH WATER SYSTEM 204 0
MOUNTAIN PARK WATER SYSTEM 198 0
HILLCREST MOBILE HOME PARK 198 0
LEE 193 0
HARBOR HEIGHTS 188 0
KOPACHUCK RIDGE WATER DISTRICT 185 0
RANCH 183 0
PARKSHORE ESTATES 183 0
Fieldstone Memory Care Bainbridge 175 0
HINTZVILLE ACRES 170 0
CEDAR GROVE 156 0
DRIFTWOOD VALLEY ASSOC (DVA) 151 0
JOHANSON 148 0
ISRAEL PLACE SAN ANGELO PARK 146 0
GLENWOOD STATION 144 0
LITTLE TREE 143 0
DRIFTWOOD POINT WATER SYSTEM 143 0
LAKE TUCK 143 0
MAINLAND VIEW MANOR 143 0
FOREST HILLS WATER SYSTEM 140 0
HOLLY TIDES 140 0
AGOTARAS WATER SYSTEM 138 0
MINTER CREEK RAPIDS 137 0
FOREST PARK 127 0
CRESTVIEW MOBILE MANOR 123 0
REGENCY PARK 123 0
FOREST PARK WATER SYSTEM 120 0
CEDARWOOD SOUTH UNION ESTATES 119 0
CASCADE HIGHLANDS NORTH 119 0
FOSS ROAD 119 0
MINTER BEACH ESTATES 116 0
THREE PONDS MOBILE PARK & APTS. 113 0
MADRONA POINT 111 0
ROYALWOOD 111 0
SEA VIEW 111 0
BURNETT WATER DISTRICT 109 0
RANCH ACRE 109 0
HOMESTEAD ACRES 109 0
CUYAMACA VILLAGE 106 0
MAY VOLT HILLS 106 0
CLEAR CREEK ESTATES 101 0
BAR B ESTATE MANOR 96 0
ROSEDALE COMMUNITY CLUB 96 0
COUNTRY CORNER MOBILE HOME PARK 95 0
RIVERVIEW 95 0
ASPINWALL ESTATES 93 0
CEDARBROOK 93 0
CASCADE HIGHLANDS 93 0
CRESCENT VALLEY #333 91 0
RONDELAY MEADOWS 90 0
GOLDEN MEADOW 90 0
MCGEE GUEST HOME 88 0
GLENWOOD FARMS 1 EAST 87 0
CREEKSIDE MEADOWS DIVISION II 85 0
LIBBY ROAD EAST 85 0
PURDY ACRES EAST 85 0
SHAWNEE HILLS WATER SYSTEM 83 0
WINCHESTER HEIGHTS 80 0
SILVER SPRINGS ESTATES 80 0
SPRUCE ROAD 80 0
MARTENS ADD MUTUAL WATER ASSOC 79 0
FOUR CORNERS 77 0
OLYMPIC WATER SYSTEM 75 0
LOOKOUT POINT 72 0
KAPOWSIN WATER DISTRICT 70 48
PINEWOOD GLEN MUTUAL WATER ASSN 70 0
SOUTHCREEK #1 69 0
PACIFIC VENTURES 69 0
MOORELAND WATER CORP 68 0
BELWOOD PARK 66 0
SIVO ACRES 66 0
WAUNA EASLEY 66 0
RYANWOOD 64 0
HARBOR LIGHTS MOBILE RESORT 63 1
KEY RIDGE WATER SYSTEM 63 0
CURRIES LANDING 61 0
GREENWOOD ESTATES 61 0
HENDERSON BAY 61 0
SKOOKUM RANCH 60 0
PIRNIE ROAD 60 0
KOOLEY S HARBOR ESTATES 58 0
PHELPS ROAD 58 0
MOUNTAIN HIGHWAY APARTMENTS 56 0
PINE ROAD ESTATES 55 0
WINDDRIFT WELL 53 0
EAGLE ESTATES 53 0
KAREN PLACE 53 0
DELTA LONG LK ACRE TRACTS 53 0
CRESCENT PARK 53 0
WHITEMAN COVE WATER DISTRICT 53 0
RAINIER VILLA 51 0
RAINWOOD 48 0
GLENWOOD FARMS 2 WEST 48 0
MUCK CREEK HILL 46 0
KUZMANICH WATER SYSTEM 45 0
INLETS END 45 0
SUNNYVIEW TERRACE ASSOCIATION INC 45 0
WALTER WALKER WATER WORKS 42 0
SEHMEL ROAD 42 0
SUMMERHILL 42 0
ELKHORN WATER DISTRICT 41 0
MINTER VIEW WATER SYSTEM 40 0
VINSON S VILLA MHP/ROY WYE INN 40 0
LONG LAKE VIEW EST 1 39 0
LITTLE CEDAR PARK 38 0
GREENBRIAR 37 0
CRYSTAL SPRINGS 37 0
SCHMID 37 0
VERDAN ANDERSON HILL 37 0
BROOKDALE OWNERS ASSOCIATION 35 0
NORTHWOODS 35 0
WALDEN WATER 34 0
RED CEDAR ESTATES 34 0
ROCKY BAY 34 0
BROOKHAVEN 32 0
BEAU VIEW WATER 30 0
CLARK & OWENS WATER SYSTEM 26 0
CLARKS CREEK LLC 20 0
Naches RV Resort 13 0

TRI Facilities (41)

# Facility Total Releases
1 Westrock Tacoma Mill 2.7M lbs
2 Emerald Services Inc 924.5K lbs
3 U.S. Army Joint Base Lewis-McChord 755.3K lbs
4 Burlington Environmental LLC 624.4K lbs
5 US Oil & Refining Co 526.5K lbs
6 Arclin Surfaces LLC 226.8K lbs
7 Toray Composite Materials America 143.0K lbs
8 Bradken Energy 126.0K lbs
9 Boeing Commercial Airplanes-Frederickson 70.8K lbs
10 Milgard Manufacturing LLC Tacoma Pultrusion 45.8K lbs
11 Rainier Plywood Co 16.8K lbs
12 General Plastics Manufacturing Co 12.8K lbs
13 Stella-Jones Corp 9.5K lbs
14 Phillips 66 Tacoma Terminal 8.3K lbs
15 Superior Wood Treating 7.3K lbs
16 Western Wood Preserving Co 4.3K lbs
17 Sonoco Products Co 2.4K lbs
18 Georgia-Pacific Gypsum LLC 2.0K lbs
19 Pabco Roofing Products 1.5K lbs
20 Carlson Paving Products Inc 460 lbs
21 James Hardie Building Products Tacoma 406 lbs
22 Rainier Ballistics LLC 403 lbs
23 Caraustar Tacoma Paperboard 335 lbs
24 James Hardie Building Products 216 lbs
25 Associated Petroleum Products Inc 149 lbs
26 Pacific Functional Fluids 90 lbs
27 Carlisle Construction Materials LLC 34 lbs
28 Northwest Etch 27 lbs
29 Pexco LLC 9 lbs
30 Northstar Chemical 7 lbs
31 Airgas USA LLC 5 lbs
32 Jci Jones Chemicals Inc 4 lbs
33 Central Premix Concrete Products Co 1 lbs
34 Quikrete - Seattle Wa Plant 1 lbs
35 Glacier Northwest Inc Tacoma Plant 0 lbs
36 Glacier Northwest Inc Dupont Plant 0 lbs
37 Basalite 0 lbs
38 Baxter Manufacturing a Div of Itw-Food Equipment Group 0 lbs
39 Bradken Inc 0 lbs
40 Specialty Products Inc 0 lbs
41 American Water Joint Base Lewis-McChord Solo Point WWTP 0 lbs

Cities in Pierce (9)

Dupont
Pop: -
2 facilities · 1 water
Orting
Pop: -
1 facilities · 2 water
Puyallup
Pop: -
2 facilities · 19 water
Sumner
Pop: -
3 facilities · 1 water
Tacoma
Pop: -
31 facilities · 130 water
Jblm
Pop: -
1 facilities · 0 water
Lakewood
Pop: -
1 facilities · 2 water
Pierce County
Pop: -
0 facilities · 0 water
Tillicum
Pop: -
0 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Pierce, Washington?
Pierce, WA has an environmental risk score of 67/100 (High Risk), based on 41 TRI facilities, 0 Superfund sites, and 223 water systems on record. 6 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Pierce?
No Superfund National Priorities List (NPL) sites are currently registered in Pierce, WA in the EPA database.
How many toxic release facilities are in Pierce?
Pierce, WA has 41 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 6.3M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Pierce?
In 2024, Pierce, WA recorded a median AQI of 44 and a peak AQI of 166. 72% of monitored days had "Good" air quality (AQI 0–50). Source: EPA Air Quality System (AQS) Annual AQI by County.
Is the drinking water safe in Pierce?
Pierce, WA has 223 EPA-regulated water systems. 6 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Pierce?
Environmental compliance in Pierce, Washington is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Washington state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related

Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro Editorial