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Public water system · WI6060192

Active

Alma Waterworks

At a glance

Alma Waterworks (PWSID WI6060192) is an active community water system in Buffalo County, Wisconsin. It reports serving 769 people through 283 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025.

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

Population served

769

Service connections

283

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI6060192
System typeCommunity water system
Activity statusActive
Population served769
Service connections283
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedAlma
StateWisconsin
ZIP—
CountyBuffalo County

How does Alma Waterworks compare with other water systems in Buffalo County?

By EPA's size categories, Alma Waterworks is a small system (501 to 3,300 people). Buffalo County has 69 active public water systems, and Alma Waterworks is the 2nd-largest of them by population served. Its population served is about 6.1 times the county average of 127 people per system, and accounts for 8.8% of the 8,759 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 Alma Waterworks 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 Alma Waterworks?

EPA lists Alma Waterworks as owned by a local government. 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. 17 of the 69 active systems in Buffalo County (25%) are also owned by a local government.

Does Alma Waterworks have drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between July 1993 and July 2025. By type: 9 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 9 as resolved and 1 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
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2024-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2021-02-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2015-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2015-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2000-11-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1994-08-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1994-08-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

All 10 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.

Alma Waterworks: frequently asked questions

Who runs Alma Waterworks?

Alma Waterworks (PWSID WI6060192) is a community water system owned by a local government. It is regulated by the WI state drinking water program.

How many people does Alma Waterworks serve?

Alma Waterworks reports serving 769 people through 283 service connections in Buffalo County, Wisconsin.

Where does Alma Waterworks 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 Alma Waterworks have any drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 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 Alma Waterworks' 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 10 violations for this system; none is health-based, and the most recent began in July 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 Alma Waterworks' water quality report?

As a community water system, Alma Waterworks 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 Buffalo County

Water systemCountyPopulation servedTypeSource
Mondovi WaterworksBuffalo2,667CommunityGroundwater
Cochrane Fountain City SchoolBuffalo635Non-transient non-communityGroundwater
Cochrane WaterworksBuffalo450CommunityGroundwater
Fountain City WaterworksBuffalo443CommunityGroundwater
Nelson Water & Sewer DeptBuffalo375CommunityGroundwater
Lyster Lutheran ChurchBuffalo370Transient 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, “Alma Waterworks, PWSID WI6060192, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/alma-waterworks-wi6060192 (data as of October 1, 2026).