Public water system · ND4000834
ActiveRolla City of
At a glance
City of Rolla (PWSID ND4000834) is an active community water system in Rolette County, North Dakota. It reports serving 1,280 people through 562 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in November 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,280
Service connections
562
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Rolla compare with other water systems in Rolette County?
By EPA's size categories, City of Rolla is a small system (501 to 3,300 people). Rolette County has 7 active public water systems, and City of Rolla is the largest of them by population served. Its population served is about 141% above the county average of 532 people per system, and accounts for 34% of the 3,723 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 City of Rolla 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 City of Rolla?
EPA lists City of Rolla 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 7 active systems in Rolette County (57%) are also owned by a local government.
Does City of Rolla have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in November 2023. The violations listed here began between August 1999 and November 2023. By type: 5 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 4 as resolved and 2 as archived. 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. 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 |
|---|---|---|---|---|
| 2023-11-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2010-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 1999-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 6 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.
City of Rolla: frequently asked questions
Who runs City of Rolla?
City of Rolla (PWSID ND4000834) is a community water system owned by a local government. It is regulated by the ND state drinking water program.
How many people does City of Rolla serve?
City of Rolla reports serving 1,280 people through 562 service connections in Rolette County, North Dakota.
Where does City of Rolla 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 City of Rolla have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in November 2023. 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 City of Rolla'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 6 violations for this system; 1 is health-based, and the most recent began in November 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the ND state drinking water program.
Where can I find City of Rolla's water quality report?
As a community water system, City of Rolla 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 Rolette County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dunseith City of | Rolette | 773 | Community | Groundwater |
| All Seasons Wd-System Iv | Rolette | 670 | Community | Groundwater |
| Rolette City of | Rolette | 484 | Community | Groundwater |
| St John City of | Rolette | 341 | Community | Groundwater |
| Legacy Co-Op | Rolette | 150 | Transient non-community | Groundwater |
| International Peace Garden | Rolette | 25 | Transient non-community | 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, “Rolla City of, PWSID ND4000834, North Dakota”, https://aquacensus.com/water-systems/north-dakota/rolla-city-of-nd4000834 (data as of October 1, 2026).