Skip to content
AquaCensus

Public water system · MN5111085

Active

Walter Stark Assembly Area

At a glance

Walter Stark Assembly Area (PWSID MN5111085) is an active transient non-community water system in Cass County, Minnesota. It reports serving 25 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state 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

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMN5111085
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections2
Primary water sourceGroundwater
Owner typeState government
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyCass County

How does Walter Stark Assembly Area compare with other water systems in Cass County?

By EPA's size categories, Walter Stark Assembly Area is a very small system (500 people or fewer). Cass County has 248 active public water systems. Its population served is well below the county average of 98 people per system, and accounts for 0.1% of the 24,374 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 Walter Stark Assembly Area is well below 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 Walter Stark Assembly Area?

EPA lists Walter Stark Assembly Area as owned by a state 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. 7 of the 248 active systems in Cass County (2.8%) are also owned by a state government.

Does Walter Stark Assembly Area 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 Walter Stark Assembly Area. For the latest compliance status, check EPA ECHO for current compliance history.

Walter Stark Assembly Area: frequently asked questions

Who runs Walter Stark Assembly Area?

Walter Stark Assembly Area (PWSID MN5111085) is a transient non-community water system owned by a state government. It is regulated by the MN state drinking water program.

How many people does Walter Stark Assembly Area serve?

Walter Stark Assembly Area reports serving 25 people through 2 service connections in Cass County, Minnesota.

Where does Walter Stark Assembly Area 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 Walter Stark Assembly Area have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Walter Stark Assembly Area'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 Walter Stark Assembly Area's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Walter Stark Assembly Area 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 Cass County

Water systemCountyPopulation servedTypeSource
WalkerCass990CommunityGroundwater
Pine RiverCass939CommunityGroundwater
Cass Lake Wayside Rest MndotCass873Transient non-communityGroundwater
Cass LakeCass691CommunityGroundwater
PillagerCass523CommunityGroundwater
Y MartCass500Transient non-communityGroundwater

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, “Walter Stark Assembly Area, PWSID MN5111085, Minnesota”, https://aquacensus.com/water-systems/minnesota/walter-stark-assembly-area-mn5111085 (data as of October 1, 2026).