WaterVerge

Mono Water Quality Report

5 cities ranked · Average grade: B · California

Avg Score
79.4
Cities Ranked
5
Health Violations
5
PFAS Detected
1
Live Water Alerts for California →
79.4
County avg score
5
Cities ranked
100%
A or B grade
0%
D or F grade
5
Health violations
1
PFAS detected

How Mono cities scored

20%
80%
A
1
20%
Excellent
B
4
80%
Good
C
0
0%
Fair
D
0
0%
Poor
F
0
0%
Failing

County vs California average

B
Mono
79.4/100
B
California avg
76.5/100
▲ 2.9 pts above state average

Water quality across Mono

Each dot is a city, colored by grade. Click any city to view its full report.

California city water quality map
0
lbs/yr to surface water · top 10 TRI facilities

Top industrial polluters in Mono

Industrial polluters nearby

Facilities reporting the most surface-water releases in Mono, 2023.

FacilityTop chemicalTo surface water (lbs/yr)
MARINE CORPS MOUNTAIN WARFARE TRAINING CENTER
Other · US DEPARTMENT OF DEFENSE
BRIDGEPORT, CA93517

Source: EPA Toxic Release Inventory (TRI) 2023

All 5 cities in Mono

# City Grade Score Score Population Violations Issues
1 Lee Vining
A-
89
742 26 Health Unresolved
2 Crowley Lake
B+
83.9
526 77 Health Unresolved
3 Mammoth Lakes
B
78.5
9K 74 Health Unresolved
4 June Lake
B
75
6K 33 Health Unresolved
5 Bridgeport
B-
70.7
2K 74 Health Unresolved
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail