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Public water system · WI1330076

Active

Shullsburg Waterworks

At a glance

Shullsburg Waterworks (PWSID WI1330076) is an active community water system in Lafayette County, Wisconsin. It reports serving 1,222 people through 452 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 1998.

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

Population served

1,222

Service connections

452

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI1330076
System typeCommunity water system
Activity statusActive
Population served1,222
Service connections452
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedShullsburg
StateWisconsin
ZIP—
CountyLafayette County

How does Shullsburg Waterworks compare with other water systems in Lafayette County?

By EPA's size categories, Shullsburg Waterworks is a small system (501 to 3,300 people). Lafayette County has 39 active public water systems, and Shullsburg Waterworks is the 2nd-largest of them by population served. Its population served is about 4.3 times the county average of 284 people per system, and accounts for 11% of the 11,066 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 Shullsburg 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 Shullsburg Waterworks?

EPA lists Shullsburg 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. 10 of the 39 active systems in Lafayette County (26%) are also owned by a local government.

Does Shullsburg Waterworks have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 1998. The violations listed here began between July 1995 and June 1998. By type: 2 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR) and Lead and Copper Rule. EPA lists 2 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
1998-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1995-07-01Monitoring and reportingWater Quality Parameter M/R · code 53Lead and Copper Rulecode 5000NoResolved

All 2 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.

Shullsburg Waterworks: frequently asked questions

Who runs Shullsburg Waterworks?

Shullsburg Waterworks (PWSID WI1330076) is a community water system owned by a local government. It is regulated by the WI state drinking water program.

How many people does Shullsburg Waterworks serve?

Shullsburg Waterworks reports serving 1,222 people through 452 service connections in Lafayette County, Wisconsin.

Where does Shullsburg 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 Shullsburg Waterworks have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in June 1998. 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 Shullsburg 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 2 violations for this system; none is health-based, and the most recent began in June 1998. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find Shullsburg Waterworks' water quality report?

As a community water system, Shullsburg 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 Lafayette County

Water systemCountyPopulation servedTypeSource
Darlington WaterworksLafayette2,235CommunityGroundwater
Belmont WaterworksLafayette991CommunityGroundwater
Benton WaterworksLafayette976CommunityGroundwater
Argyle WaterworksLafayette823CommunityGroundwater
Blanchardville WaterworksLafayette810CommunityGroundwater
Lake Joy Showers and LaundryLafayette500Transient 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, “Shullsburg Waterworks, PWSID WI1330076, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/shullsburg-waterworks-wi1330076 (data as of October 1, 2026).