Lassen Water Quality Report
3 cities ranked · Average grade: A · California
Avg Score
90
Cities Ranked
3
Health Violations
2
PFAS Detected
1
90
County avg score
3
Cities ranked
100%
A or B grade
0%
D or F grade
2
Health violations
1
PFAS detected
Grade Distribution
How Lassen cities scored
A
3
100%
Excellent
B
0
0%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing
Comparison
County vs California average
▲ 13.5 pts above state average
City Map
Water quality across Lassen
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Lassen
Best cities
Worst cities
County context
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Lassen
Industrial polluters nearby
Facilities reporting the most surface-water releases in Lassen, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
U.S ARMY SIERRA ARMY DEPOT HERLONG, CA96113 | — | — |
FEDERAL BUREAU OF PRISONS FCI HERLONG HERLONG, CA96113 | — | — |
Source: EPA Toxic Release Inventory (TRI) 2023
Full Rankings
All 3 cities in Lassen
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Westwood | A | 94.8 | 2K | 18 | Health | |
| 2 | Herlong | A- | 88.2 | 2K | 1 | Unresolved | |
| 3 | Susanville | A- | 86.9 | 14K | 56 | Health Unresolved |