Public water system · ND1300520
ActiveKilldeer City of
At a glance
City of Killdeer (PWSID ND1300520) is an active community water system in Dunn County, North Dakota. It reports serving 939 people through 360 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
939
Service connections
360
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Killdeer compare with other water systems in Dunn County?
By EPA's size categories, City of Killdeer is a small system (501 to 3,300 people). Dunn County has 7 active public water systems, and City of Killdeer is the largest of them by population served. Its population served is about 4.3 times the county average of 218 people per system, and accounts for 62% of the 1,525 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 Killdeer is well 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 Killdeer?
EPA lists City of Killdeer 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. 5 of the 7 active systems in Dunn County (71%) are also owned by a local government.
Does City of Killdeer have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2025. The violations listed here began between October 2013 and November 2025. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2025-11-18 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-10-28 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
All 2 violations in EPA's records, newest first. 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 Killdeer: frequently asked questions
Who runs City of Killdeer?
City of Killdeer (PWSID ND1300520) 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 Killdeer serve?
City of Killdeer reports serving 939 people through 360 service connections in Dunn County, North Dakota.
Where does City of Killdeer 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 Killdeer have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2025. 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 Killdeer'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 2 violations for this system; none is health-based, and the most recent began in November 2025. 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 Killdeer's water quality report?
As a community water system, City of Killdeer 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 Dunn County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Halliday City of | Dunn | 188 | Community | Purchased surface water |
| Dunn Center City of | Dunn | 146 | Community | Purchased surface water |
| Dodge City of | Dunn | 87 | Community | Purchased surface water |
| New Hradec Waterworks | Dunn | 60 | Community | Purchased surface water |
| Manning Water Board | Dunn | 55 | Community | Purchased surface water |
| Medicine Hole Golf Course | Dunn | 50 | Transient non-community | Groundwater |
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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, “Killdeer City of, PWSID ND1300520, North Dakota”, https://aquacensus.com/water-systems/north-dakota/killdeer-city-of-nd1300520 (data as of October 1, 2026).