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Nevada Water Quality Rankings

63 cities ranked · Data from EPA SDWIS

76.4
State avg score
63
Cities ranked
71%
A or B grade
24%
D or F grade
52
Health violations
27
PFAS detected
Analysis

Nevada water quality overview

Nevada's drinking water quality is good overall, with a state average score of 76.4 out of 100 — 1.9 points above the national average of 74.5. The median city score is 82.9, reflecting how water quality is distributed across the state's 63 ranked cities. 71% of Nevada cities earned an A or B grade, indicating broadly strong water quality infrastructure. Only 4 cities received a failing grade. PFAS "forever chemicals" were detected in 27 of 63 cities (43%). Of those, 4 cities exceed the 2024 EPA maximum contaminant levels — a health concern requiring action. 52 cities have recorded health-based violations with the EPA — meaning contaminant levels exceeded safe limits or required testing was missed. Use the table below to find your city's specific record.

Grade Distribution

How Nevada cities scored

44%
27%
17%
A
28
44%
Excellent
B
17
27%
Good
C
3
5%
Fair
D
11
17%
Poor
F
4
6%
Failing
Score Distribution

Score distribution by range

19 10 0
1
1
7
6
3
7
19
19
0–9
10–19
20–29
30–39
40–49
50–59
60–69
70–79
80–89
90–100
Comparison

State vs national average

B
Nevada
76.4/100
B-
National avg
74.5/100
▲ 1.9 pts above national average
City Map

Water quality across Nevada

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

Nevada city water quality map
Water quality: A B C D F
47 cities mapped · hover to preview · click to explore
Highlights

Top & bottom cities in Nevada

Best 10 cities

  1. 1 A+ Pine Grove 98.2 953
  2. 2 A+ Incline Village 96.9 9K
  3. 3 A Jean 94.5 560
  4. 4 A Searchlight 94.3 760
  5. 5 A Blue Diamond 93.7 527
  6. 6 A Sun Valley 93.4 17K
  7. 7 A Kingsbury 93.1 4K
  8. 8 A Skyland 93.1 1K
  9. 9 A Kyle Canyon 93 1K
  10. 10 A North Las Vegas 92.8 377K

Worst 10 cities

  1. 54 F Reno 29.3 458K
  2. 55 F Las Vegas 39.8 1.6M
  3. 56 F Minden 41.2 11K
  4. 57 F Pahrump 43.2 19K
  5. 58 D Mesquite 46.6 26K
  6. 59 D Fallon 47.2 10K
  7. 60 D Gardnerville 47.6 5K
  8. 61 D Yerington 48.8 5K
  9. 62 D Carson City 49.1 65K
  10. 63 D+ Cambell Ranch 50 512
Full Rankings

All 63 cities in Nevada

# City Grade Score Score Population Violations Issues
1 Pine Grove
A+
 98.2
953 0 Zero violations
2 Incline Village
A+
 96.9
9K 10 Health
3 Jean
A
 94.5
560 6 Unresolved
4 Searchlight
A
 94.3
760 8 Unresolved
5 Blue Diamond
A
 93.7
527 20 Unresolved
6 Sun Valley
A
 93.4
17K 5 Health Unresolved
7 Kingsbury
A
 93.1
4K 22 Health Unresolved
8 Skyland
A
 93.1
1K 14 Unresolved
9 Kyle Canyon
A
 93
1K 0 Zero violations
10 North Las Vegas
A
 92.8
377K 1
11 Lovelock
A
 92.8
4K 60 Health Unresolved
12 Panaca
A
 92.7
900 20 Health Unresolved
13 Moundhouse
A
 92.1
16K 3 Unresolved
14 Fallon Naval Air Station
A
 92
3K 37 Health Unresolved
15 Dayton
A
 91.6
16K 3 Unresolved
16 Wells
A
 90.7
1K 41 Health Unresolved
17 Hungry Valley
A
 90.7
620 38 Unresolved
18 Tonopah
A
 90.1
3K 10 Health Unresolved
19 Moapa
A
 90
9K 59 Health Unresolved
20 West Wendover
A-
 89.7
5K 15 Health Unresolved
21 Beatty
A-
 89.1
1K 28 Health Unresolved
22 Carlin
A-
 89
3K 5 Health Unresolved
23 Virginia City
A-
 88.4
1K 34 Health Unresolved
24 Mcgill
A-
 87.8
1K 54 Unresolved
25 Fallon Paiute Community
A-
 87.4
1K 27 Health Unresolved
26 Indian Springs
A-
 87.3
900 96 Health Unresolved
27 Laughlin
A-
 87
9K 7 Health Unresolved
28 Spring Creek
A-
 85.2
13K 119 Health Unresolved
29 Eureka
B+
 84
987 58 Health Unresolved
30 Gardnerville Ranchos
B+
 83.8
11K 67 Health Unresolved
31 Jackpot
B+
 83.1
1K 56 Health Unresolved
32 Glenbrook
B+
 82.9
1K 64 Health Unresolved
33 Wellington
B+
 82.7
2K 103 Health Unresolved
34 Ely
B+
 82.2
5K 118 Health Unresolved
35 Caliente
B+
 81.9
1K 28 Health Unresolved
36 Pioche
B+
 81.2
700 20 Health Unresolved
37 Nellis Afb
B+
 81
19K 13 Health Unresolved
38 Stagecoach
B+
 80.1
2K 24 Health Unresolved
39 Silver Springs
B
 78.2
3K 243 Health Unresolved
40 Hawthorne
B
 77.9
4K 68 Health Unresolved
41 Winnemucca
B
 77.2
11K 183 Health Unresolved
42 Fernley
B
 76.7
23K 166 Health PFAS Unresolved
43 Alamo
B-
 74.6
900 109 Health Unresolved
44 Boulder
B-
 73.8
708 22 Health Unresolved
45 Sparks
B-
 73.2
1K 34 Health PFAS Unresolved
46 Round Mountain
C+
 69
1K 87 Health Unresolved
47 Elko
C+
 68.8
23K 121 Health PFAS Unresolved
48 Boulder City
C
 64.2
16K 107 Health Unresolved
49 Zephyr Cove
D+
 54.4
2K 162 Health Unresolved
50 Walker River
D+
 52
662 336 Health Unresolved
51 Henderson
D+
 51.8
337K 170 Health Unresolved
52 Katherine Landing
D+
 51
1K 623 Health Unresolved
53 Katherine Landing
D+
 51
1K 623 Health Unresolved
54 Cambell Ranch
D+
 50
512 204 Health Unresolved
55 Carson City
D
 49.1
65K 259 Health Unresolved
56 Yerington
D
 48.8
5K 375 Health Unresolved
57 Gardnerville
D
 47.6
5K 377 Health Unresolved
58 Fallon
D
 47.2
10K 587 Health Unresolved
59 Mesquite
D
 46.6
26K 704 Health Unresolved
60 Pahrump
F
 43.2
19K 439 Health Unresolved
61 Minden
F
 41.2
11K 517 Health Unresolved
62 Las Vegas
F
 39.8
1.6M 2044 Health Unresolved
63 Reno
F
 29.3
458K 1269 Health PFAS Unresolved
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