Infrastructure

Arizona vs Delaware: Water Quality Score

Delaware has a higher water quality score than Arizona.

Arizona

AZ · West

77.4/100 (B)

State tap-water score on a 100-point scale from the existing water-quality ranking.

Delaware

DE · South

Winner

81.3/100 (A)

State tap-water score on a 100-point scale from the existing water-quality ranking.

Visual comparison

Arizona77.4/100 (B)

Delaware81.3/100 (A)

Difference: 3.90 points — Delaware leads.

National Rankings

Where They Rank Nationally

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

Arizona #43 · 77.4/100 (B)

Delaware #33 · 81.3/100 (A)

Lowest Highest

Top 10 States — Water Quality Score

Hawaii

99.9/100 (A)

North Carolina

99.7/100 (A)

New Hampshire

99.5/100 (A)

Louisiana

98.9/100 (A)

Alaska

97.7/100 (A)

South Dakota

96.5/100 (A)

New Mexico

95.9/100 (A)

Indiana

95.2/100 (A)

Oregon

90.5/100 (A)

#10

Vermont

88.2/100 (A)

Selected states

#43

Arizona

77.4/100 (B)

#33

Delaware

81.3/100 (A)

Arizona ranks 43rd and Delaware ranks 33rd nationally for water quality score.

What this means