Public water system · ND1800410
ActiveGrand Forks Regional WTP
At a glance
Grand Forks Regional WTP (PWSID ND1800410) is an active community water system in Grand Forks County, North Dakota. It reports serving 57,339 people through 14,951 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in June 2003.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
57,339
Service connections
14,951
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Grand Forks Regional WTP compare with other water systems in Grand Forks County?
By EPA's size categories, Grand Forks Regional WTP is a large system (10,001 to 100,000 people). Grand Forks County has 9 active public water systems, and Grand Forks Regional WTP is the largest of them by population served. Its population served is about 7.4 times the county average of 7,754 people per system, and accounts for 82% of the 69,787 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 Grand Forks Regional WTP is about 8.6 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 20 North Dakota systems (5%) list surface water as their primary source.
Who owns and regulates Grand Forks Regional WTP?
EPA lists Grand Forks Regional WTP 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 9 active systems in Grand Forks County (44%) are also owned by a local government.
Does Grand Forks Regional WTP have drinking water violations?
EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in June 2003. The violations listed here began between October 1983 and June 2003. By type: 7 contaminant level above the legal limit, 1 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (7 of them). EPA lists 9 as archived. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2003-06-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Archived |
| 1998-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1988-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1988-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1988-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1987-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1987-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1987-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 1983-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
All 9 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.
Grand Forks Regional WTP: frequently asked questions
Who runs Grand Forks Regional WTP?
Grand Forks Regional WTP (PWSID ND1800410) is a community water system owned by a local government. It is regulated by the ND state drinking water program.
How many people does Grand Forks Regional WTP serve?
Grand Forks Regional WTP reports serving 57,339 people through 14,951 service connections in Grand Forks County, North Dakota.
Where does Grand Forks Regional WTP get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Grand Forks Regional WTP have any drinking water violations?
EPA's records list 9 violations for this system; 8 are health-based, and the most recent began in June 2003. 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 Grand Forks Regional WTP'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 9 violations for this system; 8 are health-based, and the most recent began in June 2003. For current results, consult the system's annual water quality report, EPA ECHO, or the ND state drinking water program.
Where can I find Grand Forks Regional WTP's water quality report?
As a community water system, Grand Forks Regional WTP 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 Grand Forks County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| East Central Regional Wd-Gf | Grand Forks | 5,995 | Community | Groundwater |
| Agassiz Water Users District | Grand Forks | 3,438 | Community | Groundwater |
| Larimore City of | Grand Forks | 1,346 | Community | Purchased groundwater |
| Northwood City of | Grand Forks | 945 | Community | Purchased groundwater |
| Emerado City of | Grand Forks | 414 | Community | Purchased groundwater |
| Arvilla Water Users Association | Grand Forks | 180 | 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, “Grand Forks Regional WTP, PWSID ND1800410, North Dakota”, https://aquacensus.com/water-systems/north-dakota/grand-forks-regional-wtp-nd1800410 (data as of October 1, 2026).