Thurston Water Quality Report
9 cities ranked · Average grade: C+ · Washington
Avg Score
68.5
Cities Ranked
9
Health Violations
9
PFAS Detected
3
68.5
County avg score
9
Cities ranked
56%
A or B grade
44%
D or F grade
9
Health violations
3
PFAS detected
Grade Distribution
How Thurston cities scored
A
3
33%
Excellent
B
2
22%
Good
C
0
0%
Fair
D
2
22%
Poor
F
2
22%
Failing
Comparison
County vs Washington average
▼ 1.6 pts below state average
City Map
Water quality across Thurston
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Thurston
Best cities
Worst cities
County context
1
Superfund site in Thurston
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Thurston
Industrial polluters nearby
Facilities reporting the most surface-water releases in Thurston, 2023.
Total reported releases to surface water: 0 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
KLOECKNER METALS CORP TUMWATER, WA98512 | Nickel | 0 |
CH2O INC OLYMPIA, WA98501 | — | — |
CROWN BEVERAGE PACKAGING OLYMPIA, WA98501 | — | — |
AQUATIC CO YELM, WA98597 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Thurston
Superfund sites nearby
Federally tracked hazardous-waste sites within Thurston on the EPA National Priorities List.
- PALERMO WELL FIELD GROUND WATER CONTAMINATION
Source: EPA Superfund National Priorities List
Full Rankings
All 9 cities in Thurston
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Littlerock | A | 93.2 | 639 | 19 | Health Unresolved | |
| 2 | Rainier | A- | 85.4 | 3K | 66 | Health Unresolved | |
| 3 | Rochester | A- | 85.2 | 2K | 79 | Health Unresolved | |
| 4 | Tenino | B+ | 83.6 | 4K | 96 | Health Unresolved | |
| 5 | Bucoda | B+ | 83.5 | 579 | 23 | Health Unresolved | |
| 6 | Yelm | D+ | 54.4 | 20K | 196 | Health Unresolved | |
| 7 | Tumwater | D+ | 50.9 | 67K | 92 | Health Unresolved | |
| 8 | Lacey | F | 41.8 | 129K | 1813 | Health Unresolved | |
| 9 | Olympia | F | 38.2 | 125K | 1687 | Health PFAS Unresolved |