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Public water system · WI6321101

Active

Upper Midwest Environmental Sciences Ctr

At a glance

Upper Midwest Environmental Sciences Ctr (PWSID WI6321101) is an active non-transient non-community water system in La Crosse County, Wisconsin. It reports serving 70 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in January 2023.

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

Population served

70

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWI6321101
System typeNon-transient non-community water system
Activity statusActive
Population served70
Service connections1
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyWI state drinking water program
City servedLa Crosse
StateWisconsin
ZIP—
CountyLa Crosse County

How does Upper Midwest Environmental Sciences Ctr compare with other water systems in La Crosse County?

By EPA's size categories, Upper Midwest Environmental Sciences Ctr is a very small system (500 people or fewer). La Crosse County has 122 active public water systems. Its population served is well below the county average of 811 people per system, and accounts for less than 0.1% of the 98,888 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Upper Midwest Environmental Sciences Ctr is well below that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wisconsin has 891 active non-transient non-community water systems, 8.1% 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 Upper Midwest Environmental Sciences Ctr?

EPA lists Upper Midwest Environmental Sciences Ctr as owned by the federal 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. 2 of the 122 active systems in La Crosse County (1.6%) are also owned by the federal government.

Does Upper Midwest Environmental Sciences Ctr have drinking water violations?

EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in January 2023. The violations listed here began between July 2003 and January 2023. By type: 3 monitoring and reporting, 2 contaminant level above the legal limit, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 7 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
2023-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2020-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2019-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2010-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesResolved
2006-01-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2005-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2003-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 7 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.

Upper Midwest Environmental Sciences Ctr: frequently asked questions

Who runs Upper Midwest Environmental Sciences Ctr?

Upper Midwest Environmental Sciences Ctr (PWSID WI6321101) is a non-transient non-community water system owned by the federal government. It is regulated by the WI state drinking water program.

How many people does Upper Midwest Environmental Sciences Ctr serve?

Upper Midwest Environmental Sciences Ctr reports serving 70 people through 1 service connection in La Crosse County, Wisconsin.

Where does Upper Midwest Environmental Sciences Ctr 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 Upper Midwest Environmental Sciences Ctr have any drinking water violations?

EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in January 2023. 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 Upper Midwest Environmental Sciences Ctr'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 7 violations for this system; 2 are health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Upper Midwest Environmental Sciences Ctr's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Upper Midwest Environmental Sciences Ctr is a non-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 La Crosse County

Water systemCountyPopulation servedTypeSource
La Crosse WaterworksLa Crosse53,000CommunityGroundwater
Onalaska WaterworksLa Crosse18,000CommunityGroundwater
Holmen WaterworksLa Crosse10,147CommunityGroundwater
West Salem WaterworksLa Crosse5,045CommunityGroundwater
Bangor WaterworksLa Crosse1,520CommunityGroundwater
Shelby Tn of Wedgewood VlyLa Crosse1,020CommunityGroundwater

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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, “Upper Midwest Environmental Sciences Ctr, PWSID WI6321101, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/upper-midwest-environmental-sciences-ctr-wi6321101 (data as of October 1, 2026).