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Public water system · WI2460680

Active

River Trails Estates Water Users

At a glance

River Trails Estates Water Users (PWSID WI2460680) is an active community water system in Ozaukee County, Wisconsin. It reports serving 84 people through 28 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

84

Service connections

28

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI2460680
System typeCommunity water system
Activity statusActive
Population served84
Service connections28
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedMequon
StateWisconsin
ZIP—
CountyOzaukee County

How does River Trails Estates Water Users compare with other water systems in Ozaukee County?

By EPA's size categories, River Trails Estates Water Users is a very small system (500 people or fewer). Ozaukee County has 249 active public water systems. Its population served is well below the county average of 371 people per system, and accounts for less than 0.1% of the 92,392 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so River Trails Estates Water Users is well below 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. Wisconsin has 1,053 active community water systems, 9.5% 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 River Trails Estates Water Users?

EPA lists River Trails Estates Water Users 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. 218 of the 249 active systems in Ozaukee County (88%) are also privately owned.

Does River Trails Estates Water Users have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between July 2001 and October 2024. By type: 8 public notice, recordkeeping or other, 2 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2024-10-17Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2013-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2012-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2008-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2005-06-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2003-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2001-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

The 12 most recent 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.

River Trails Estates Water Users: frequently asked questions

Who runs River Trails Estates Water Users?

River Trails Estates Water Users (PWSID WI2460680) is a community water system privately owned. It is regulated by the WI state drinking water program.

How many people does River Trails Estates Water Users serve?

River Trails Estates Water Users reports serving 84 people through 28 service connections in Ozaukee County, Wisconsin.

Where does River Trails Estates Water Users 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 River Trails Estates Water Users have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. 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 River Trails Estates Water Users' 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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find River Trails Estates Water Users' water quality report?

As a community water system, River Trails Estates Water Users 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 Ozaukee County

Water systemCountyPopulation servedTypeSource
Port Washington WaterworksOzaukee12,853CommunitySurface water
Cedarburg L & W CommissionOzaukee12,500CommunityGroundwater
Grafton WaterworksOzaukee12,269CommunityGroundwater
Mequon Water UtilityOzaukee11,152CommunityPurchased surface water
Saukville WaterworksOzaukee4,268CommunityGroundwater
Belgium WaterworksOzaukee2,493CommunityGroundwater

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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, “River Trails Estates Water Users, PWSID WI2460680, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/river-trails-estates-water-users-wi2460680 (data as of October 1, 2026).