Public water system · ND0311302
ActiveWhite Horse Hill Natl Game Preserve
At a glance
White Horse Hill Natl Game Preserve (PWSID ND0311302) is an active transient non-community water system in Benson County, North Dakota. It reports serving 300 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does White Horse Hill Natl Game Preserve compare with other water systems in Benson County?
By EPA's size categories, White Horse Hill Natl Game Preserve is a very small system (500 people or fewer). Benson County has 6 active public water systems, and White Horse Hill Natl Game Preserve is the 3rd-largest of them by population served. Its population served is about 17% above the county average of 256 people per system, and accounts for 20% of the 1,538 people reported by systems filed under the county. Across North Dakota, the 403 active systems average 1,864 people each. Nationally, the average active transient non-community water system reports serving 144 people, so White Horse Hill Natl Game Preserve is about twice that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. North Dakota has 81 active transient non-community water systems, 20% of the state's 403 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 177 North Dakota systems (44%) list groundwater as their primary source.
Who owns and regulates White Horse Hill Natl Game Preserve?
EPA lists White Horse Hill Natl Game Preserve as owned by the federal 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. 1 of the 6 active systems in Benson County (17%) are also owned by the federal government.
Does White Horse Hill Natl Game Preserve have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2025. The violations listed here began between April 2006 and January 2025. By type: 7 monitoring, 4 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-09-25 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2013-07-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The 12 most recent 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.
White Horse Hill Natl Game Preserve: frequently asked questions
Who runs White Horse Hill Natl Game Preserve?
White Horse Hill Natl Game Preserve (PWSID ND0311302) is a transient non-community water system owned by the federal government. It is regulated by the ND state drinking water program.
How many people does White Horse Hill Natl Game Preserve serve?
White Horse Hill Natl Game Preserve reports serving 300 people through 1 service connection in Benson County, North Dakota.
Where does White Horse Hill Natl Game Preserve get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does White Horse Hill Natl Game Preserve have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 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 White Horse Hill Natl Game Preserve'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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the ND state drinking water program.
Where can I find White Horse Hill Natl Game Preserve's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. White Horse Hill Natl Game Preserve is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Benson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Leeds City of | Benson | 427 | Community | Groundwater |
| Maddock City of | Benson | 382 | Community | Groundwater |
| Minnewaukan City of | Benson | 224 | Community | Groundwater |
| Oberon City of | Benson | 105 | Community | Groundwater |
| Southend R & R | Benson | 100 | 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, “White Horse Hill Natl Game Preserve, PWSID ND0311302, North Dakota”, https://aquacensus.com/water-systems/north-dakota/white-horse-hill-natl-game-preserve-nd0311302 (data as of October 1, 2026).