Public water system · ND2801430
ActiveGarrison Rural Water District
At a glance
Garrison Rural Water District (PWSID ND2801430) is an active community water system in McLean County, North Dakota. It reports serving 1,805 people through 722 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,805
Service connections
722
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Garrison Rural Water District compare with other water systems in McLean County?
By EPA's size categories, Garrison Rural Water District is a small system (501 to 3,300 people). McLean County has 13 active public water systems, and Garrison Rural Water District is the largest of them by population served. Its population served is about 142% above the county average of 746 people per system, and accounts for 19% of the 9,697 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 Garrison Rural Water District 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 Garrison Rural Water District?
EPA lists Garrison Rural Water District as privately owned. 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 13 active systems in McLean County (31%) are also privately owned.
Does Garrison Rural Water District have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2022. The violations listed here began between June 2014 and August 2022. By type: 3 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2022-08-03 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chloraminecode 1006 | No | Resolved |
| 2014-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Garrison Rural Water District: frequently asked questions
Who runs Garrison Rural Water District?
Garrison Rural Water District (PWSID ND2801430) is a community water system privately owned. It is regulated by the ND state drinking water program.
How many people does Garrison Rural Water District serve?
Garrison Rural Water District reports serving 1,805 people through 722 service connections in McLean County, North Dakota.
Where does Garrison Rural Water District 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 Garrison Rural Water District have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in August 2022. 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 Garrison Rural Water District'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 4 violations for this system; 1 is health-based, and the most recent began in August 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the ND state drinking water program.
Where can I find Garrison Rural Water District's water quality report?
As a community water system, Garrison Rural Water District 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 McLean County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mclean-Sheridan Water District-System 1 | McLean | 1,800 | Community | Groundwater |
| Garrison City of | McLean | 1,453 | Community | Surface water |
| Washburn City of | McLean | 1,246 | Community | Surface water |
| Underwood City of | McLean | 778 | Community | Purchased surface water |
| Turtle Lake City of | McLean | 581 | Community | Purchased groundwater |
| Rainbow Energy Center | McLean | 532 | Non-transient non-community | 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, “Garrison Rural Water District, PWSID ND2801430, North Dakota”, https://aquacensus.com/water-systems/north-dakota/garrison-rural-water-district-nd2801430 (data as of October 1, 2026).