Lewis Water Quality Report
12 cities ranked · Average grade: B- · Washington
Avg Score
72.9
Cities Ranked
12
Health Violations
11
PFAS Detected
1
72.9
County avg score
12
Cities ranked
67%
A or B grade
17%
D or F grade
11
Health violations
1
PFAS detected
Grade Distribution
How Lewis cities scored
A
4
33%
Excellent
B
4
33%
Good
C
2
17%
Fair
D
1
8%
Poor
F
1
8%
Failing
Comparison
County vs Washington average
▲ 2.8 pts above state average
City Map
Water quality across Lewis
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Lewis
Best cities
Worst cities
County context
2
Superfund sites in Lewis
68,358
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Lewis
Industrial polluters nearby
Facilities reporting the most surface-water releases in Lewis, 2023.
Total reported releases to surface water: 68,358 lbs
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
TRANSALTA CENTRALIA GENERATION / MINING CENTRALIA, WA98531 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 68,358 |
SIERRA PACIFIC INDUSTRIES- CENTRALIA CENTRALIA, WA98531 | — | — |
TRUCK ACCESSORIES GROUP LLC DBA PACE EDWARDS CENTRALIA, WA98531 | — | — |
DARIGOLD - CHEHALIS CHEHALIS, WA98532 | — | — |
GLACIER NORTHWEST INC CHEHALIS PLANT CHEHALIS, WA98532 | — | — |
+ 4 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Lewis
Superfund sites nearby
Federally tracked hazardous-waste sites within Lewis on the EPA National Priorities List.
- CENTRALIA MUNICIPAL LANDFILL
- HAMILTON LABREE ROADS GW CONTAMINATION
Source: EPA Superfund National Priorities List
Full Rankings
All 12 cities in Lewis
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Randle | A | 93.8 | 611 | 19 | Unresolved | |
| 2 | Adna | A | 90.1 | 2K | 85 | Health Unresolved | |
| 3 | Toledo | A- | 89.9 | 2K | 22 | Health Unresolved | |
| 4 | Packwood | A- | 86.7 | 1K | 83 | Health Unresolved | |
| 5 | Winlock | B+ | 83.2 | 4K | 241 | Health Unresolved | |
| 6 | Centralia | B- | 74 | 29K | 64 | Health PFAS Unresolved | |
| 7 | Morton | B- | 72 | 2K | 349 | Health Unresolved | |
| 8 | Pe Ell | B- | 70.7 | 859 | 161 | Health Unresolved | |
| 9 | Onalaska | C+ | 69.4 | 2K | 516 | Health Unresolved | |
| 10 | Mossyrock | C- | 56 | 2K | 104 | Health Unresolved | |
| 11 | Napavine | D | 46 | 7K | 2238 | Health Unresolved | |
| 12 | Chehalis | F | 43.4 | 13K | 522 | Health Unresolved |