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Public water system · WI6490533

Active

Milltown Public Beach

At a glance

Milltown Public Beach (PWSID WI6490533) is an active transient non-community water system in Polk 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 records list 5 violations for this system; 1 is health-based, and the most recent began in May 1996.

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

PWSIDWI6490533
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedMilltown
StateWisconsin
ZIP—
CountyPolk County

How does Milltown Public Beach compare with other water systems in Polk County?

By EPA's size categories, Milltown Public Beach is a very small system (500 people or fewer). Polk County has 187 active public water systems. Its population served is well below the county average of 121 people per system, and accounts for 0.1% of the 22,690 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 Milltown Public Beach 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 Milltown Public Beach?

EPA lists Milltown Public Beach 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. 163 of the 187 active systems in Polk County (87%) are also privately owned.

Does Milltown Public Beach have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in May 1996. The violations listed here began between January 1994 and May 1996. By type: 4 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrite (2 of them). EPA lists 4 as resolved and 1 as archived. 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. 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.

BeganViolationContaminant or ruleHealth-basedStatus
1996-05-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1995-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1994-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 5 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.

Milltown Public Beach: frequently asked questions

Who runs Milltown Public Beach?

Milltown Public Beach (PWSID WI6490533) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Milltown Public Beach serve?

Milltown Public Beach reports serving 25 people through 1 service connection in Polk County, Wisconsin.

Where does Milltown Public Beach 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 Milltown Public Beach have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in May 1996. 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 Milltown Public Beach'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 5 violations for this system; 1 is health-based, and the most recent began in May 1996. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Milltown Public Beach's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Milltown Public Beach 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

Water systemCountyPopulation servedTypeSource
Amery WaterworksPolk2,962CommunityGroundwater
Osceola WaterworksPolk2,680CommunityGroundwater
St Croix Falls WaterworksPolk2,079CommunityGroundwater
Frederic WaterworksPolk1,241CommunityGroundwater
Luck WaterworksPolk1,150CommunityGroundwater
Clear Lake WaterworksPolk1,061CommunityGroundwater

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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, “Milltown Public Beach, PWSID WI6490533, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/milltown-public-beach-wi6490533 (data as of October 1, 2026).