Thurston, WA

Moderate Risk (43/100)

Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology.

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

TRI sites such as Crown Beverage Packaging; Aquatic Co; Kloeckner Metals Corp; SDWIS systems such as LACEY WATER DEPARTMENT; TUMWATER CITY OF; YELM CITY OF; NPL sites such as Palermo Well Field Ground Water Contamination anchor Thurston, WA's EPA extract. Derived burden score 43/100 (Moderate Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.

Health-flagged SDWIS rows in Thurston include NISQUALLY-LESCHI & WEST NISQUALLY; BOSTON HARBOR; MCNEIL ISLAND WATER, while Crown Beverage Packaging leads reported TRI pounds among local Form R filers. AQS median AQI 26 / peak 85 in 2024.

Burden score 43/100 (Moderate Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for Thurston -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.

Release-over-release change

What changed for Thurston, WA: EPA TRI 2023 reporting year

2022 → 2023

Same facilities, both years

+13.1%

3 facilities that filed in 2022 and 2023

Whole inventory

+13.1%

114.3 thousand lb → 129.2 thousand lb, every facility that filed

Between the two reporting years, 1 facility filed for the first time and 0 stopped filing. Facilities entering or leaving the inventory are excluded from the same-facility comparison above.

  • Thurston, WA's total reported releases rose from 114.3 thousand lb in 2022 to 129.2 thousand lb in 2023, based on EPA TRI filings.
  • Thurston, WA's air releases rose from 114.2 thousand lb in 2022 to 129.1 thousand lb in 2023, based on EPA TRI filings.
County population (Census ACS)
296,640
TRI Facilities
8
Water Systems
117
Superfund Sites
1
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 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 (117)

System System pop (SDWIS) Violations
LACEY WATER DEPARTMENT 105,178 0
TUMWATER CITY OF 51,802 0
YELM CITY OF 17,355 0
TANGLEWILDE THOMPSON PLACE 600 7,900 0
PATTISON 500 4,643 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 11
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
DANA PASSAGE 523 210 0
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 18
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 13
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

Superfund Sites (1)

Site Name Status HRS Score
Palermo Well Field Ground Water Contamination NPL Site 50.00

Cities in Thurston (9)

Olympia
3 facilities · 25 water
Tumwater
3 facilities · 4 water
Yelm
1 facilities · 5 water
Rainier
1 facilities · 1 water
Lacey
0 facilities · 78 water
Rochester
0 facilities · 4 water
Tenino
0 facilities · 2 water
Bucoda
0 facilities · 1 water
Littlerock
0 facilities · 1 water

Frequently Asked Questions

What is the environmental risk level in Thurston, Washington?
Thurston, WA has an environmental risk score of 43/100 (Moderate Risk), based on 8 TRI facilities, 1 Superfund sites, and 117 water systems on record. 15 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Thurston?
Yes, Thurston, WA has 1 Superfund site on the EPA National Priorities List (NPL). Superfund sites are contaminated locations that require long-term cleanup under the EPA Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA).
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 117 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