North Dakota
Water Quality Report
92 Excellent
Average Score
92/100
Water Systems
93
Population
674,721
Violations
55 17 unresolved
Score Distribution
17 A
2 B
0 C
0 D
0 F
Lowest Scoring Water Systems
82
Northwest Rural Water District B
ND5301079 Williston, ND 5,102 served
86
Dickinson City Of B
ND4500242 Dickinson, ND 25,679 served
90
Fargo City Of A
ND0900336 Fargo, ND 120,762 served
96
Williston City Of A
ND5301012 Williston, ND 26,426 served
98
Stutsman Rural Water District A
ND4701303 Jamestown, ND 5,550 served
Counties in North Dakota
Cities in North Dakota
View all 66 cities →Popular City Comparisons in North Dakota
Quickly compare major cities in North Dakota by water quality score and grade.
Frequently Asked Questions
Is tap water in North Dakota safe to drink?
North Dakota has an average WaterQ score of 92/100 across 93 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in North Dakota?
WaterQ currently tracks 93 public water systems in North Dakota.
Where can I compare cities in North Dakota?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.