Public water system · MN1300005
ActiveIsanti
At a glance
Isanti (PWSID MN1300005) is an active community water system in Isanti County, Minnesota. It reports serving 7,386 people through 2,560 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; 2 are health-based, and the most recent began in November 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
7,386
Service connections
2,560
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Isanti compare with other water systems in Isanti County?
By EPA's size categories, Isanti is a medium system (3,301 to 10,000 people). Isanti County has 71 active public water systems, and Isanti is the 2nd-largest of them by population served. Its population served is about 19 times the county average of 396 people per system, and accounts for 26% of the 28,141 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 Isanti is about 10% above 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 Isanti?
EPA lists Isanti 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. 12 of the 71 active systems in Isanti County (17%) are also owned by a local government.
Does Isanti have drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in November 2008. The violations listed here began between June 1991 and November 2008. By type: 4 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 as archived and 2 as resolved. 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. 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 |
|---|---|---|---|---|
| 2008-11-17 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Gross alpha (excluding radon and uranium)code 4000 | Yes | Resolved |
| 2004-10-25 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2000-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | 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.
Isanti: frequently asked questions
Who runs Isanti?
Isanti (PWSID MN1300005) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Isanti serve?
Isanti reports serving 7,386 people through 2,560 service connections in Isanti County, Minnesota.
Where does Isanti 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 Isanti have any drinking water violations?
EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in November 2008. 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 Isanti'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; 2 are health-based, and the most recent began in November 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Isanti's water quality report?
As a community water system, Isanti 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 Isanti County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cambridge | Isanti | 9,862 | Community | Groundwater |
| Braham | Isanti | 1,789 | Community | Groundwater |
| Kwik Trip of Cambridge - Store No. 1177 | Isanti | 1,050 | Transient non-community | Groundwater |
| New Hope Community Church | Isanti | 750 | Transient non-community | Groundwater |
| Cambridge Middle School | Isanti | 660 | Non-transient non-community | Groundwater |
| Ec'S Corner Express | Isanti | 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, “Isanti, PWSID MN1300005, Minnesota”, https://aquacensus.com/water-systems/minnesota/isanti-mn1300005 (data as of October 1, 2026).