Public water system · ND1000768
ActiveOsnabrock City of
At a glance
City of Osnabrock (PWSID ND1000768) is an active community water system in Cavalier County, North Dakota. It reports serving 134 people through 92 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
134
Service connections
92
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does City of Osnabrock compare with other water systems in Cavalier County?
By EPA's size categories, City of Osnabrock is a very small system (500 people or fewer). Cavalier County has 5 active public water systems, and City of Osnabrock is the 3rd-largest of them by population served. Its population served is well below the county average of 914 people per system, and accounts for 2.9% of the 4,570 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 Osnabrock 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 114 North Dakota systems (28%) list purchased groundwater as their primary source.
Who owns and regulates City of Osnabrock?
EPA lists City of Osnabrock 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. 4 of the 5 active systems in Cavalier County (80%) are also owned by a local government.
Does City of Osnabrock have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 2002. The violations listed here began between January 1996 and March 2002. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2002-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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 Osnabrock: frequently asked questions
Who runs City of Osnabrock?
City of Osnabrock (PWSID ND1000768) 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 Osnabrock serve?
City of Osnabrock reports serving 134 people through 92 service connections in Cavalier County, North Dakota.
Where does City of Osnabrock get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does City of Osnabrock have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 2002. 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 Osnabrock'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 3 violations for this system; none is health-based, and the most recent began in March 2002. 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 Osnabrock's water quality report?
As a community water system, City of Osnabrock 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 Cavalier County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Northeast Rwd-Langdon Branch | Cavalier | 2,450 | Community | Purchased groundwater |
| Langdon City of | Cavalier | 1,878 | Community | Purchased groundwater |
| Milton City of | Cavalier | 58 | Community | Purchased groundwater |
| Nekoma City of | Cavalier | 50 | Community | Purchased 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, “Osnabrock City of, PWSID ND1000768, North Dakota”, https://aquacensus.com/water-systems/north-dakota/osnabrock-city-of-nd1000768 (data as of October 1, 2026).