Rolette County, North Dakota — public water systems
At a glance
7 active public water systems are filed under Rolette County, North Dakota in EPA's SDWIS records, together reporting 3,723 people served. The largest is City of Rolla, which reports serving 1,280 people. 5 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
7
Population served
3.7K
Community systems
5
Groundwater share
100%
How does Rolette County compare with other North Dakota counties?
Rolette County has the 21st-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 3,723 people served in total, the 26th-largest county figure in the state and 0.5% of the statewide total. The average system here reports serving 532 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 Rolette County's drinking water come from?
By primary water source, Rolette County's active systems draw on groundwater (7, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 74% and 26% across North Dakota. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Rolla, draws primarily on groundwater.
What kinds of water systems operate in Rolette County?
Rolette County's active systems break down as 5 community systems (71%) and 2 transient non-community systems (29%). 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 (57%) and private (43%).
Water systems in Rolette County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Rolla City of | Rolette | 1,280 | Community | Groundwater |
| 2 | Dunseith City of | Rolette | 773 | Community | Groundwater |
| 3 | All Seasons Wd-System Iv | Rolette | 670 | Community | Groundwater |
| 4 | Rolette City of | Rolette | 484 | Community | Groundwater |
| 5 | St John City of | Rolette | 341 | Community | Groundwater |
| 6 | Legacy Co-Op | Rolette | 150 | Transient non-community | Groundwater |
| 7 | International Peace Garden | Rolette | 25 | Transient non-community | Groundwater |
Rolette County water systems: frequently asked questions
How many public water systems are in Rolette County, North Dakota?
EPA's SDWIS records file 7 active public water systems under Rolette County, North Dakota: 5 community systems (71%) and 2 transient non-community systems (29%).
Who supplies drinking water in Rolette County, ND?
The largest community water systems filed under Rolette County are City of Rolla (1,280 people served), City of Dunseith (773 people served) and All Seasons Wd-System Iv (670 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 Rolette County's drinking water come from groundwater or surface water?
Of the 7 active public water systems in Rolette County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Rolla, uses groundwater.
Where can I find a water quality report for Rolette 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. 5 community systems are filed under Rolette 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 Rolette 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 Rolette County, North Dakota”, https://aquacensus.com/water-systems/north-dakota/rolette (data as of October 1, 2026).