Grant County, North Dakota — public water systems
At a glance
5 active public water systems are filed under Grant County, North Dakota in EPA's SDWIS records, together reporting 1,224 people served. The largest is City of Elgin, which reports serving 642 people. 3 are community water systems serving people where they live; the other 2 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
5
Population served
1.2K
Community systems
3
Groundwater share
40%
How does Grant County compare with other North Dakota counties?
Grant County has the 29th-most active public water systems among the 61 counties listed for active North Dakota systems in EPA records; among the 49 with 3 or more systems, the median has 6. Its systems report 1,224 people served in total, the 43rd-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 245 people, well below the North Dakota average of 1,864. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Grant County's drinking water come from?
By primary water source, Grant County's active systems draw on purchased surface water (3, 60%) and groundwater (2, 40%). Overall, 40% rely mainly on groundwater (including purchased groundwater) and 60% on surface water, compared with 74% and 26% across North Dakota. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, City of Elgin, draws primarily on purchased surface water.
What kinds of water systems operate in Grant County?
Grant County's active systems break down as 3 community systems (60%) and 2 transient non-community systems (40%). 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. 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. EPA lists their owner types as local government (60%) and private (40%).
Water systems in Grant County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Elgin City of | Grant | 642 | Community | Purchased surface water |
| 2 | Carson City of | Grant | 293 | Community | Purchased surface water |
| 3 | New Leipzig City of | Grant | 221 | Community | Purchased surface water |
| 4 | Heart Butte F U Camp | Grant | 65 | Transient non-community | Groundwater |
| 5 | Red Rock Resort | Grant | 3 | Transient non-community | Groundwater |
Grant County water systems: frequently asked questions
How many public water systems are in Grant County, North Dakota?
EPA's SDWIS records file 5 active public water systems under Grant County, North Dakota: 3 community systems (60%) and 2 transient non-community systems (40%).
Who supplies drinking water in Grant County, ND?
The largest community water systems filed under Grant County are City of Elgin (642 people served), City of Carson (293 people served) and City of New Leipzig (221 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Grant County's drinking water come from groundwater or surface water?
Of the 5 active public water systems in Grant County, 40% draw mainly on groundwater and 60% on surface water, counting purchased supplies. The largest system, City of Elgin, uses purchased surface water.
Where can I find a water quality report for Grant County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 3 community systems are filed under Grant County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Grant County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More North Dakota water systems
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, “Public water systems in Grant County, North Dakota”, https://aquacensus.com/water-systems/north-dakota/grant (data as of October 1, 2026).