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Public water system · WI7640197

Active

Sayner Mobile Express

At a glance

Sayner Mobile Express (PWSID WI7640197) is an active transient non-community water system in Vilas County, Wisconsin. It reports serving 25 people through 1 service connection. 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

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI7640197
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedSayner
StateWisconsin
ZIP—
CountyVilas County

How does Sayner Mobile Express compare with other water systems in Vilas County?

By EPA's size categories, Sayner Mobile Express is a very small system (500 people or fewer). Vilas County has 460 active public water systems. Its population served is well below the county average of 91 people per system, and accounts for less than 0.1% of the 42,009 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Sayner Mobile Express 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.

Who owns and regulates Sayner Mobile Express?

EPA lists Sayner Mobile Express as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 377 of the 460 active systems in Vilas County (82%) are also privately owned.

Does Sayner Mobile Express 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 Sayner Mobile Express. For the latest compliance status, check EPA ECHO for current compliance history.

Sayner Mobile Express: frequently asked questions

Who runs Sayner Mobile Express?

Sayner Mobile Express (PWSID WI7640197) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Sayner Mobile Express serve?

Sayner Mobile Express reports serving 25 people through 1 service connection in Vilas County, Wisconsin.

Where does Sayner Mobile Express 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 Sayner Mobile Express have any drinking water violations?

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

Is Sayner Mobile Express' 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 WI state drinking water program.

Where can I find Sayner Mobile Express' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Sayner Mobile Express 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 Vilas County

Water systemCountyPopulation servedTypeSource
Eagle River WaterworksVilas1,530CommunityGroundwater
Arbor Vitae Woodruff El SchVilas575Non-transient non-communityGroundwater
Phelps Sanitary DistrictVilas550CommunityGroundwater
Wi Dnr Crystal Lk ShowerVilas540Transient non-communityGroundwater
Land O Lakes Sanitary DistVilas450CommunityGroundwater
Camp Ramah OfficeVilas400Transient non-communityGroundwater

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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, “Sayner Mobile Express, PWSID WI7640197, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/sayner-mobile-express-wi7640197 (data as of October 1, 2026).