Public water system · MN1050004
ActiveSauk Rapids
At a glance
Sauk Rapids (PWSID MN1050004) is an active community water system in Benton County, Minnesota. It reports serving 13,835 people through 4,085 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
13,835
Service connections
4,085
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sauk Rapids compare with other water systems in Benton County?
By EPA's size categories, Sauk Rapids is a large system (10,001 to 100,000 people). Benton County has 68 active public water systems, and Sauk Rapids is the largest of them by population served. Its population served is about 33 times the county average of 421 people per system, and accounts for 48% of the 28,627 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active community water system reports serving 6,703 people, so Sauk Rapids is about twice 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. Minnesota has 987 active community water systems, 15% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.
Who owns and regulates Sauk Rapids?
EPA lists Sauk Rapids as owned by a local government. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 68 active systems in Benton County (8.8%) are also owned by a local government.
Does Sauk Rapids have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between August 1992 and October 2024. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2024-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 5 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.
Sauk Rapids: frequently asked questions
Who runs Sauk Rapids?
Sauk Rapids (PWSID MN1050004) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Sauk Rapids serve?
Sauk Rapids reports serving 13,835 people through 4,085 service connections in Benton County, Minnesota.
Where does Sauk Rapids 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 Sauk Rapids have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2024. 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 Sauk Rapids' 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 5 violations for this system; none is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Sauk Rapids' water quality report?
As a community water system, Sauk Rapids 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 Benton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Foley | Benton | 2,711 | Community | Groundwater |
| Rice | Benton | 2,187 | Community | Groundwater |
| South Heaven Grocery | Benton | 825 | Transient non-community | Groundwater |
| Speedway #4453 | Benton | 750 | Transient non-community | Groundwater |
| Joy Christian Center | Benton | 600 | Transient non-community | Groundwater |
| Annunciation Church | Benton | 500 | 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, “Sauk Rapids, PWSID MN1050004, Minnesota”, https://aquacensus.com/water-systems/minnesota/sauk-rapids-mn1050004 (data as of October 1, 2026).