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Public water system · WI8020382

Active

Aspen Ridge

At a glance

Aspen Ridge (PWSID WI8020382) is an active community water system in Ashland County, Wisconsin. It reports serving 50 people through 18 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, none is health-based, and the most recent began in April 2025.

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

Population served

50

Service connections

18

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI8020382
System typeCommunity water system
Activity statusActive
Population served50
Service connections18
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedMarengo
StateWisconsin
ZIP—
CountyAshland County

How does Aspen Ridge compare with other water systems in Ashland County?

By EPA's size categories, Aspen Ridge is a very small system (500 people or fewer). Ashland County has 82 active public water systems. Its population served is well below the county average of 151 people per system, and accounts for 0.4% of the 12,416 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 Aspen Ridge 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 Aspen Ridge?

EPA lists Aspen Ridge 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. 56 of the 82 active systems in Ashland County (68%) are also privately owned.

Does Aspen Ridge have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2025. The violations listed here began between January 2018 and April 2025. By type: 9 monitoring and reporting and 3 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (5 of them). EPA lists 12 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2022-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2021-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2018-12-07Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2018-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-01-01Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56Lead and Copper Rulecode 5000NoResolved
2018-01-01Monitoring and reportingWater Quality Parameter M/R · code 53Lead and Copper Rulecode 5000NoResolved

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.

Aspen Ridge: frequently asked questions

Who runs Aspen Ridge?

Aspen Ridge (PWSID WI8020382) is a community water system privately owned. It is regulated by the WI state drinking water program.

How many people does Aspen Ridge serve?

Aspen Ridge reports serving 50 people through 18 service connections in Ashland County, Wisconsin.

Where does Aspen Ridge 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 Aspen Ridge have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2025. 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 Aspen Ridge'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find Aspen Ridge's water quality report?

As a community water system, Aspen Ridge 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 Ashland County

Water systemCountyPopulation servedTypeSource
Ashland Water UtilityAshland8,000CommunitySurface water
Glidden Sanitary DistrictAshland750CommunityGroundwater
Mellen Water UtilityAshland731CommunityGroundwater
Butternut WaterworksAshland283CommunityGroundwater
Marengo Valley SchoolAshland220Non-transient non-communityGroundwater
Hartzell Subdivision - Abbey LaneAshland115Transient 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, “Aspen Ridge, PWSID WI8020382, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/aspen-ridge-wi8020382 (data as of October 1, 2026).