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Public water system · ND3000596

Active

Mandan City of

At a glance

City of Mandan (PWSID ND3000596) is an active community water system in Morton County, North Dakota. It reports serving 21,769 people through 7,358 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

21,769

Service connections

7,358

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDND3000596
System typeCommunity water system
Activity statusActive
Population served21,769
Service connections7,358
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyND state drinking water program
City servedMandan
StateNorth Dakota
ZIP—
CountyMorton County

How does City of Mandan compare with other water systems in Morton County?

By EPA's size categories, City of Mandan is a large system (10,001 to 100,000 people). Morton County has 13 active public water systems, and City of Mandan is the largest of them by population served. Its population served is about 9.5 times the county average of 2,286 people per system, and accounts for 73% of the 29,721 people reported by systems filed under the county. Across North Dakota, the 403 active systems average 1,864 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Mandan is about 3.2 times that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. North Dakota has 317 active community water systems, 79% of the state's 403 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 20 North Dakota systems (5%) list surface water as their primary source.

Who owns and regulates City of Mandan?

EPA lists City of Mandan as owned by a local government. The ND state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 9 of the 13 active systems in Morton County (69%) are also owned by a local government.

Does City of Mandan have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for City of Mandan. For the latest compliance status, check EPA ECHO for current compliance history.

City of Mandan: frequently asked questions

Who runs City of Mandan?

City of Mandan (PWSID ND3000596) is a community water system owned by a local government. It is regulated by the ND state drinking water program.

How many people does City of Mandan serve?

City of Mandan reports serving 21,769 people through 7,358 service connections in Morton County, North Dakota.

Where does City of Mandan get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does City of Mandan have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is City of Mandan's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the ND state drinking water program.

Where can I find City of Mandan's water quality report?

As a community water system, City of Mandan must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Morton County

Water systemCountyPopulation servedTypeSource
Missouri West Water SystemMorton4,303CommunityPurchased surface water
New Salem City ofMorton946CommunityPurchased surface water
Glen Ullin City ofMorton807CommunityPurchased surface water
Hebron City ofMorton747CommunityPurchased surface water
Crown Butte CoopMorton320CommunityPurchased surface water
Flasher City ofMorton232CommunityPurchased surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Mandan City of, PWSID ND3000596, North Dakota”, https://aquacensus.com/water-systems/north-dakota/mandan-city-of-nd3000596 (data as of October 1, 2026).