Lyon Water Quality Report
6 cities ranked · Average grade: B · Nevada
Avg Score
78
Cities Ranked
6
Health Violations
4
PFAS Detected
4
78
County avg score
6
Cities ranked
83%
A or B grade
17%
D or F grade
4
Health violations
4
PFAS detected
Grade Distribution
How Lyon cities scored
A
2
33%
Excellent
B
3
50%
Good
C
0
0%
Fair
D
1
17%
Poor
F
0
0%
Failing
Comparison
County vs Nevada average
▲ 2.8 pts above state average
City Map
Water quality across Lyon
Each dot is a city, colored by grade. Click any city to view its full report.
Highlights
Top & bottom cities in Lyon
County context
2
Superfund sites in Lyon
2.0%
of residents on fluoridated water (CDC, 2020)
0
lbs/yr to surface water · top 10 TRI facilities
Industrial pollution
Top industrial polluters in Lyon
Industrial polluters nearby
Facilities reporting the most surface-water releases in Lyon, 2023.
| Facility | Top chemical | To surface water (lbs/yr) |
|---|---|---|
OZARK MATERIALS LLC AN INGEVITY CO DAYTON, NV89403 | — | — |
21ST CENTURY ENVIRONMENTAL MANAGEMENT OF NEVADA LLC FERNLEY, NV89408 | — | — |
FELDMEIER EQUIPMENT INC FERNLEY, NV89408 | — | — |
JOHNS MANVILLE FERNLEY, NV89408 | — | — |
NEVADA CEMENT CO FERNLEY, NV89408 | — | — |
+ 5 more facilities
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites
Superfund sites in Lyon
Superfund sites nearby
Federally tracked hazardous-waste sites within Lyon on the EPA National Priorities List.
- ANACONDA COPPER MINE
- CARSON RIVER MERCURY SITE
Source: EPA Superfund National Priorities List
Full Rankings
All 6 cities in Lyon
| # | City | Grade | Score | Score | Population | Violations | Issues |
|---|---|---|---|---|---|---|---|
| 1 | Moundhouse | A | 92.1 | 16K | 3 | Unresolved | |
| 2 | Moundhouse | A | 92.1 | 16K | 3 | Unresolved | |
| 3 | Stagecoach | B+ | 80.1 | 2K | 24 | Health Unresolved | |
| 4 | Silver Springs | B | 78.2 | 3K | 243 | Health Unresolved | |
| 5 | Fernley | B | 76.7 | 23K | 166 | Health PFAS Unresolved | |
| 6 | Yerington | D | 48.8 | 5K | 375 | Health Unresolved |