Infrastructure

Arkansas vs California: Water Quality Score

Arkansas and California have the same water quality score.

Arkansas flag
Arkansas
AR · South
83.7/100 (A)
State tap-water score on a 100-point scale from the existing water-quality ranking.
California flag
California
CA · West
83.7/100 (A)
State tap-water score on a 100-point scale from the existing water-quality ranking.

Visual comparison

Arkansas83.7/100 (A)
California83.7/100 (A)

Difference: 0.00 points — California leads.

National Rankings

Where They Rank Nationally

See where both states fall among all 50 states for water quality score.

Arkansas #23 · 83.7/100 (A)
California #24 · 83.7/100 (A)
Lowest Highest

Top 10 States — Water Quality Score

#1 Hawaii flag Hawaii
99.9/100 (A)
#2 North Carolina flag North Carolina
99.7/100 (A)
#3 New Hampshire flag New Hampshire
99.5/100 (A)
#4 Louisiana flag Louisiana
98.9/100 (A)
#5 Alaska flag Alaska
97.7/100 (A)
#6 South Dakota flag South Dakota
96.5/100 (A)
#7 New Mexico flag New Mexico
95.9/100 (A)
#8 Indiana flag Indiana
95.2/100 (A)
#9 Oregon flag Oregon
90.5/100 (A)
#10 Vermont flag Vermont
88.2/100 (A)
Selected states
#23 Arkansas flag Arkansas
83.7/100 (A)
#24 California flag California
83.7/100 (A)

Arkansas ranks 23rd and California ranks 24th nationally for water quality score.

What this means

Arkansas vs California: Water Quality Score in context

Arkansas: 83.7/100 (A). California: 83.7/100 (A).

Arkansas
83.7/100 (A)
California
83.7/100 (A)
Difference
0.00 points

People also ask

Arkansas vs California Water Quality Score — common questions

QWhat is Arkansas's water quality score?

Arkansas's water quality score is 83.7/100 (A).

QWhat is California's water quality score?

California's water quality score is 83.7/100 (A).

More comparisons: Arkansas vs California

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Full comparison

Data source and freshness

Data period
2026 ranking
Dataset reviewed
July 23, 2026
Method note
TapWaterData.com composite score; it is not an EPA regulatory compliance grade.