Public water system · MN1700007
ActivePrior Lake
At a glance
Prior Lake (PWSID MN1700007) is an active community water system in Scott County, Minnesota. It reports serving 25,282 people through 9,771 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25,282
Service connections
9,771
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Prior Lake compare with other water systems in Scott County?
By EPA's size categories, Prior Lake is a large system (10,001 to 100,000 people). Scott County has 111 active public water systems, and Prior Lake is the 3rd-largest of them by population served. Its population served is about 21 times the county average of 1,199 people per system, and accounts for 19% of the 133,099 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 Prior Lake is about 3.8 times 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 Prior Lake?
EPA lists Prior Lake 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. 21 of the 111 active systems in Scott County (19%) are also owned by a local government.
Does Prior Lake have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Prior Lake. For the latest compliance status, check EPA ECHO for current compliance history.
Prior Lake: frequently asked questions
Who runs Prior Lake?
Prior Lake (PWSID MN1700007) is a community water system owned by a local government. It is regulated by the MN state drinking water program.
How many people does Prior Lake serve?
Prior Lake reports serving 25,282 people through 9,771 service connections in Scott County, Minnesota.
Where does Prior Lake 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 Prior Lake have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Prior Lake'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MN state drinking water program.
Where can I find Prior Lake's water quality report?
As a community water system, Prior Lake 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 Scott County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Shakopee | Scott | 47,000 | Community | Groundwater |
| Savage | Scott | 30,285 | Community | Purchased surface water |
| Belle Plaine | Scott | 7,456 | Community | Groundwater |
| Jordan | Scott | 6,700 | Community | Groundwater |
| Elko New Market | Scott | 5,003 | Community | Groundwater |
| New Market Rest Area Mndot | Scott | 1,274 | 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, “Prior Lake, PWSID MN1700007, Minnesota”, https://aquacensus.com/water-systems/minnesota/prior-lake-mn1700007 (data as of October 1, 2026).