Public water system · MN5600167
ActiveUnion Lake Sarah Campground
At a glance
Union Lake Sarah Campground (PWSID MN5600167) is an active transient non-community water system in Polk County, Minnesota. It reports serving 200 people through 71 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
71
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Union Lake Sarah Campground compare with other water systems in Polk County?
By EPA's size categories, Union Lake Sarah Campground is a very small system (500 people or fewer). Polk County has 60 active public water systems. Its population served is about half of the county average of 395 people per system, and accounts for 0.8% of the 23,676 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Union Lake Sarah Campground is about 39% above that figure.
What does “transient non-community water system” mean?
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. Minnesota has 5,008 active transient non-community water systems, 77% 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 Union Lake Sarah Campground?
EPA lists Union Lake Sarah Campground as privately owned. 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. 44 of the 60 active systems in Polk County (73%) are also privately owned.
Does Union Lake Sarah Campground 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 Union Lake Sarah Campground. For the latest compliance status, check EPA ECHO for current compliance history.
Union Lake Sarah Campground: frequently asked questions
Who runs Union Lake Sarah Campground?
Union Lake Sarah Campground (PWSID MN5600167) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.
How many people does Union Lake Sarah Campground serve?
Union Lake Sarah Campground reports serving 200 people through 71 service connections in Polk County, Minnesota.
Where does Union Lake Sarah Campground 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 Union Lake Sarah Campground have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Union Lake Sarah Campground'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 EPA ECHO, or the MN state drinking water program.
Where can I find Union Lake Sarah Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Union Lake Sarah Campground is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Polk County
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Union Lake Sarah Campground, PWSID MN5600167, Minnesota”, https://aquacensus.com/water-systems/minnesota/union-lake-sarah-campground-mn5600167 (data as of October 1, 2026).