Public water system · 083890023
ActiveBelcourt-Turtle Mtn Rural Water System
At a glance
Belcourt-Turtle Mtn Rural Water System (PWSID 083890023) is an active community water system in North Dakota. It reports serving 13,500 people through 3,140 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
13,500
Service connections
3,140
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Belcourt-Turtle Mtn Rural Water System compare with other water systems in North Dakota?
By EPA's size categories, Belcourt-Turtle Mtn Rural Water System is a large system (10,001 to 100,000 people). 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 Belcourt-Turtle Mtn Rural Water System is about twice 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. 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 Belcourt-Turtle Mtn Rural Water System?
EPA lists Belcourt-Turtle Mtn Rural Water System as Native American-owned. The EPA Region 08 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Belcourt-Turtle Mtn Rural Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. The violations listed here began between January 2023 and July 2024. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Asbestos (6 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2024-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2023-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2023-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | 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.
Belcourt-Turtle Mtn Rural Water System: frequently asked questions
Who runs Belcourt-Turtle Mtn Rural Water System?
Belcourt-Turtle Mtn Rural Water System (PWSID 083890023) is a community water system Native American-owned. It is regulated by the EPA Region 08.
How many people does Belcourt-Turtle Mtn Rural Water System serve?
Belcourt-Turtle Mtn Rural Water System reports serving 13,500 people through 3,140 service connections in North Dakota.
Where does Belcourt-Turtle Mtn Rural Water System 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 Belcourt-Turtle Mtn Rural Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. 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 Belcourt-Turtle Mtn Rural Water System'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, none is health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 08.
Where can I find Belcourt-Turtle Mtn Rural Water System's water quality report?
As a community water system, Belcourt-Turtle Mtn Rural Water System 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 North Dakota
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fargo City of | Cass | 120,762 | Community | Surface water |
| Bismarck City of | Burleigh | 72,417 | Community | Groundwater under influence of surface water |
| Grand Forks Regional WTP | Grand Forks | 57,339 | Community | Surface water |
| Minot City of | Ward | 48,743 | Community | Groundwater |
| West Fargo City of | Cass | 34,858 | Community | Purchased surface water |
| Williston City of | Williams | 26,426 | 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, “Belcourt-Turtle Mtn Rural Water System, PWSID 083890023, North Dakota”, https://aquacensus.com/water-systems/north-dakota/belcourt-turtle-mtn-rural-water-system-083890023 (data as of October 1, 2026).