Public water system · ND3701801
ActiveGrant Colony
At a glance
Grant Colony (PWSID ND3701801) is an active community water system in Ransom County, North Dakota. It reports serving 25 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
15
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Grant Colony compare with other water systems in Ransom County?
By EPA's size categories, Grant Colony is a very small system (500 people or fewer). Ransom County has 5 active public water systems, and Grant Colony is the 5th-largest of them by population served. Its population served is well below the county average of 967 people per system, and accounts for 0.5% of the 4,835 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 Grant Colony 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. 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 Grant Colony?
EPA lists Grant Colony 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. 1 of the 5 active systems in Ransom County (20%) are also privately owned.
Does Grant Colony have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2020. The violations listed here began between July 2020 and July 2020. By type: 3 monitoring and reporting. The contaminants or rules involved are Gross alpha (excluding radon and uranium), Combined Radium (-226 and -228) and Combined Uranium. EPA lists 3 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 |
|---|---|---|---|---|
| 2020-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2020-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2020-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | 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.
Grant Colony: frequently asked questions
Who runs Grant Colony?
Grant Colony (PWSID ND3701801) is a community water system privately owned. It is regulated by the ND state drinking water program.
How many people does Grant Colony serve?
Grant Colony reports serving 25 people through 15 service connections in Ransom County, North Dakota.
Where does Grant Colony 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 Grant Colony have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2020. 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 Grant Colony'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 July 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the ND state drinking water program.
Where can I find Grant Colony's water quality report?
As a community water system, Grant Colony 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 Ransom County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lisbon City of | Ransom | 2,154 | Community | Groundwater |
| Southeast Wud (Central-Lisbon) | Ransom | 1,675 | Community | Purchased groundwater |
| Enderlin City of | Ransom | 886 | Community | Groundwater |
| Sheldon City of | Ransom | 95 | 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, “Grant Colony, PWSID ND3701801, North Dakota”, https://aquacensus.com/water-systems/north-dakota/grant-colony-nd3701801 (data as of October 1, 2026).