WaterQ

City Water Quality Rankings in Nevada

47 cities ranked by drinking water quality.

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Popular city water quality comparisons

Incline Village, NV vs North Las Vegas, NV Compare → Sun Valley, NV vs Carlin, NV Compare → Dayton, NV vs Henderson, NV Compare → Wells, NV vs Stateline, NV Compare →

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#1
Incline Village
County, NV
100 A
#2
North Las Vegas
County, NV
100 A
#3
Sun Valley
County, NV
100 A
#4
Carlin
County, NV
96 A
#5
Dayton
County, NV
96 A
#6
Henderson
County, NV
96 A
#7
Wells
County, NV
96 A
#8
Stateline
County, NV
93 A
#9
Elko
County, NV
90 A
#10
Mercury
County, NV
90 A
#11
Reno
County, NV
90 A
#12
Laughlin
County, NV
88 B
#13
Verdi
County, NV
88 B
#14
Mccarran
County, NV
87 B
#15
Spring Creek
County, NV
87 B
#16
Las Vegas
County, NV
86 B
#17
Sparks
County, NV
82 B
#18
Virgina City
County, NV
82 B
#19
Hawthorne
County, NV
80 B
#20
Minden
County, NV
80 B
#21
Round Mountain
County, NV
79 B
#22
Zephyr Cove
County, NV
78 B
#23
Jackpot
County, NV
76 B
#24
Pahrump
County, NV
76 B

Frequently Asked Questions

How are city water quality rankings calculated in Nevada?

WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.

Can I compare two cities in Nevada?

Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.

How often does WaterQ refresh city data?

City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.

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