Public water system · ND2900470
ActiveHazen City of
At a glance
City of Hazen (PWSID ND2900470) is an active community water system in Mercer County, North Dakota. It reports serving 2,411 people through 1,040 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,411
Service connections
1,040
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Hazen compare with other water systems in Mercer County?
By EPA's size categories, City of Hazen is a small system (501 to 3,300 people). Mercer County has 10 active public water systems, and City of Hazen is the 3rd-largest of them by population served. Its population served is about 125% above the county average of 1,070 people per system, and accounts for 23% of the 10,695 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 Hazen is about 64% below 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 83 North Dakota systems (21%) list purchased surface water as their primary source.
Who owns and regulates City of Hazen?
EPA lists City of Hazen 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. 10 of the 10 active systems in Mercer County (100%) are also owned by a local government.
Does City of Hazen have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2012. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2012-10-27 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
City of Hazen: frequently asked questions
Who runs City of Hazen?
City of Hazen (PWSID ND2900470) 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 Hazen serve?
City of Hazen reports serving 2,411 people through 1,040 service connections in Mercer County, North Dakota.
Where does City of Hazen get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does City of Hazen have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2012. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is City of Hazen'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 records list one violation for this system; it is not health-based, and the most recent began in October 2012. 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 Hazen's water quality report?
As a community water system, City of Hazen 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 Mercer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Omnd Water Treatment Plant | Mercer | 4,168 | Community | Surface water |
| Beulah City of | Mercer | 3,058 | Community | Groundwater |
| Stanton City of | Mercer | 366 | Community | Purchased surface water |
| Zap City of | Mercer | 237 | Community | Purchased surface water |
| Golden Valley City of | Mercer | 182 | Community | Purchased surface water |
| Pick City City of | Mercer | 123 | Community | Purchased 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, “Hazen City of, PWSID ND2900470, North Dakota”, https://aquacensus.com/water-systems/north-dakota/hazen-city-of-nd2900470 (data as of October 1, 2026).