Thurston, WA

Moderate Risk (38/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology.

Environmental data for Thurston in Washington · Population: 296,640

Thurston, WA is tracked across three EPA datasets covering 8 Toxics Release Inventory (TRI) facilities, 116 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 38/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 1.3M lbs of reported toxic releases under EPCRA Section 313, while 15 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 26 and a peak AQI of 85 in 2024, with 93% 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
296,640
TRI Facilities
8
Water Systems
116
Superfund Sites
0
Total Releases
1.3M 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 338 (93%) 24 0 85
2023 327 (91%) 31 0 82
2022 309 (89%) 36 1 157
2021 309 (94%) 20 0 63
2020 316 (86%) 43 0 242
2024 Good Air Quality: 93% of days
Median AQI: 26

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 (116)

System Population Violations
LACEY WATER DEPARTMENT 103,755 0
TUMWATER CITY OF 66,373 0
YELM CITY OF 16,633 0
TANGLEWILDE THOMPSON PLACE 600 7,900 0
PATTISON 500 4,302 0
GRAND MOUND 3,764 0
Tenino City of 3,336 0
NISQUALLY-LESCHI & WEST NISQUALLY 3,200 1
MEADOWS 690 3,100 0
CLEARWOOD 2,956 0
RAINIER WATER DEPARTMENT 2,758 0
ROCHESTER 1,762 0
CARLYON BEACH HOMEOWNERS 1,273 0
BOSTON HARBOR 1,153 10
MCNEIL ISLAND WATER 692 47
CEDAR CREEK CORRECTIONS CENTER 639 0
BUCODA WATER DEPT 579 0
DUNGENESS HEIGHTS 558 0
CRESCENT PARK 355 550 0
QUAIL RUN 667 493 0
COUNTRYWOOD ESTATES 680 488 0
BLACK LAKE BIBLE CAMP & CONF CTR 477 1
HAWLEY HILLS 686 425 0
TIMBERLINE VILLAGE 628 378 0
CUYAMACA 375 1
HAWK ACRES 607 328 0
TERRY LANE 354 308 0
BETHEL WATER CO 270 0
SCATTER CREEK RANCH 760 268 0
KEANLAND PARK 761 268 2
LAZY ACRES 351 267 0
TAMOSHAN 260 23
WALCZAK 620 256 0
PRAIRIE RIDGE 605 250 2
EAST OLYMPIA 684 230 0
BRONSON BEACH CLUB 225 1
TOLMIE PARK 239 195 0
RIDGEWOOD 609 188 0
CEDAR RIDGE 617 186 0
ROY 325TH 668 185 0
BURNSVILLE 676 183 0
SPANAWAY 192ND 669 183 0
COUNTRY CLUB 679 175 0
LOMA VISTA 369 172 0
OLYMPIC PARK TRAILER COURT 169 17
HORSFALL 608 165 0
NISQUALLY HIGHLANDS 364 162 0
CEDARWOOD 763 153 0
PALERMO 691 150 0
BOOTS & SADDLES 662 150 0
TRAVIS JACK 264 150 0
VALLEY MEADOWS 240 148 0
DESCHUTES VILLAGE 683 140 0
GRANDVIEW VALLEY ESTATES 138 0
VINEYARD THE 696 130 0
SKOOKUMCHUCK 612 130 0
MOUNTAIN VALLEY WATER SYSTEM 126 0
SPANAWAY VILLAGE WATER SYSTEM 125 0
LAKELAND MANOR 122 0
MAPLE MANOR MOBILE HOME PARK 120 0
COUNTRY CLUB ESTATES 521 113 24
PRAIRIE VIEW ESTATES 759 107 0
BLACK LAKE ACRES 104 0
TALCOTT RIDGE 695 102 2
GLACIER VISTA 665 100 0
EGGIMANN 664 100 0
RIVERLEA 692 100 0
ELK HEIGHTS 247 98 0
NORTH OFFUT LAKE WTR SERVICE 97 0
WOODARD PLACE 94 0
CEDAR CREST MOBILE HOME PARK 92 0
LEWS 81ST 225 92 0
GIFFORDS 685 90 0
CEDAR SHORES 677 90 0
PEDERSON PLACE 604 90 0
MAXVALE 618 88 0
PIONEER 84 0
TAHOMA MEADOWS 694 80 0
WILDERNESS GLEN 263 75 0
REDTAIL HAWK 616 75 0
HAYNES ACRES DIVISION 1 74 0
ROM 626 74 0
LONGHORN COUNTRY ESTATES 687 70 0
MOUNTAIN LAKEVIEW 619 70 0
PRAIRIE VISTA 63 0
FOREST GLEN 762 62 2
COPPERMILL 520 62 0
CROCKER CREEK 663 60 0
WEBSTER HILL 610 55 0
CROWDER ROAD 213 54 0
EVERGREEN VISTA 308 50 0
PLEASANT VALLEY 307 50 0
SILVER FOX 693 50 0
CORNERSTONE ESTATES 606 48 0
PIT WATER CO 328 48 0
141ST AVE KPN 661 48 0
CLERGET 253 48 0
Ski View Estates 47 0
WHISKEY HOLLOW 670 45 0
MEADOW WOOD 689 43 0
SMITH PRAIRIE 251 42 0
SUNSETVUE 42 0
RICHMOND TOTTEN 42 2
COVINGTON 212 40 0
PRAIRIE VILLA 230 40 0
Prairie Village Mobile Home Court 40 12
COOPERFIELD 678 38 0
COOPER POINT ESTATES 36 0
BISCAY DUPLEXES 675 36 0
AUST 210 35 0
Sexton 35 0
GLEN ALDER 522 31 0
SANDRA AVENUE 627 30 0
DELPHI DAUBEL 29 0
CLOISTER 29 0
SWARD 278 25 0

TRI Facilities (8)

# Facility Total Releases
1 Crown Beverage Packaging 1.2M lbs
2 Aquatic Co 102.0K lbs
3 Kloeckner Metals Corp 155 lbs
4 CH2O Inc 0 lbs
5 Cardinal Cg 0 lbs
6 Glacier Northwest Inc Tumwater Plant 0 lbs
7 Skookumchuck Batch Plants 0 lbs
8 Setina Mfg. 0 lbs

Cities in Thurston (4)

Olympia
Pop: -
3 facilities · 25 water
Tumwater
Pop: -
3 facilities · 4 water
Rainier
Pop: -
1 facilities · 1 water
Yelm
Pop: -
1 facilities · 5 water

Frequently Asked Questions

What is the environmental risk level in Thurston, Washington?
Thurston, WA has an environmental risk score of 38/100 (Moderate Risk), based on 8 TRI facilities, 0 Superfund sites, and 116 water systems on record. 15 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Thurston?
No Superfund National Priorities List (NPL) sites are currently registered in Thurston, WA in the EPA database.
How many toxic release facilities are in Thurston?
Thurston, WA has 8 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 1.3M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Thurston?
In 2024, Thurston, WA recorded a median AQI of 26 and a peak AQI of 85. 93% 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 Thurston?
Thurston, WA has 116 EPA-regulated water systems. 15 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 Thurston?
Environmental compliance in Thurston, 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