AGUACYCLE
Midwest · ND

North Dakota

Moderate (D1)Minimal reuse

North Dakota sits in the Midwest and draws its water primarily from Missouri River and aquifers. With roughly 0.78 million residents, the state has minimal formal water reuse to date, reusing an estimated 3% of its treated wastewater.

Systems in violationhealth-based, since 2016
118 gpcd
Per capita use
Moderate (D1)
Drought
318
Water systems
1M
People served

North Dakotawater quality & safety

318
Community water systems
37
With a health violation (11.6%)
41
With unresolved violations
4
Over the lead action level

Top violation drivers in North Dakota

Contaminant / ruleSystems
TTHM12
Revised Total Coliform Rule9
LEAD AND COPPER RULE REVISIONS8
Arsenic3
Lead and Copper Rule3
Chloramine3

Source: EPA Safe Drinking Water Information System (SDWIS) · 2026 Q1 · health-based violations since 2016

Energy development and irrigation drive demand; the Missouri River is the anchor supply.

On the U.S. Drought Monitor scale, North Dakota currently tracks around abnormally dry to moderate conditions. North Dakota has 318 community water systems serving about 1 million people; EPA records show 37 of them (11.6%) with a health-based Safe Drinking Water Act violation since 2016. The pages below break down the water issues that matter most here and the communities working on solutions.

Drought history — severe+ extent

% of North Dakota in severe drought or worse (D2+) each late summer.

Source: U.S. Drought Monitor (NDMC/UNL, USDA, NOAA) · latest 2026-06-09

Water use (USGS 2015)

Per-capita (public supply)
118 gpcd
Total withdrawals
1.4 Bgal/d
From groundwater
13.5%
Irrigation share
16.7%
Wastewater reused (est.)
~3%

Source: USGS Estimated Use of Water, 2015

Primary water sources

  • Missouri River
  • aquifers

Common questions

Is tap water safe in North Dakota?

North Dakota has 318 community water systems serving about 1 million people. EPA records show 37 of them (11.6%) with at least one health-based Safe Drinking Water Act violation since 2016, and 4 system(s) over the federal lead action level. Most large systems meet standards; check your specific city and your utility's annual report.

What contaminants are most common in North Dakota's water?

The most frequent health-based violations involve TTHM, Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS.

How much water does North Dakota use per person?

Public water systems in North Dakota withdraw about 118 gallons per person per day (USGS 2015), drawing 13.5% of fresh water from groundwater.

How bad is the drought in North Dakota?

As of 2026-06-09, 7.7% of North Dakota is in drought (D1+) and 0.3% is in severe drought or worse, per the U.S. Drought Monitor.

Cities in North Dakota

6 tracked

Key issues in North Dakota