Public water system · WI2410664
ActiveIndian Hill School
At a glance
Indian Hill School (PWSID WI2410664) is an active non-transient non-community water system in Milwaukee County, Wisconsin. It reports serving 285 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
285
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Indian Hill School compare with other water systems in Milwaukee County?
By EPA's size categories, Indian Hill School is a very small system (500 people or fewer). Milwaukee County has 85 active public water systems. Its population served is well below the county average of 11,209 people per system, and accounts for less than 0.1% of the 952,731 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 Indian Hill School is about 34% 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 Indian Hill School?
EPA lists Indian Hill School 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. 26 of the 85 active systems in Milwaukee County (31%) are also owned by a local government.
Does Indian Hill School 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 2018. The violations listed here began between January 2001 and April 2018. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Chlorine (3 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2017-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2013-04-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-04-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-01-09 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dinosebcode 2041 | No | Resolved |
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.
Indian Hill School: frequently asked questions
Who runs Indian Hill School?
Indian Hill School (PWSID WI2410664) is a non-transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Indian Hill School serve?
Indian Hill School reports serving 285 people through 1 service connection in Milwaukee County, Wisconsin.
Where does Indian Hill School 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 Indian Hill School 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 2018. 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 Indian Hill School'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 2018. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Indian Hill School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Indian Hill School 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 Milwaukee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Milwaukee Waterworks | Milwaukee | 626,000 | Community | Surface water |
| West Allis Waterworks | Milwaukee | 63,240 | Community | Purchased surface water |
| Wauwatosa Waterworks | Milwaukee | 49,064 | Community | Purchased surface water |
| North Shore Water Commission | Milwaukee | 35,598 | Community | Surface water |
| Oak Creek Waterworks | Milwaukee | 32,104 | Community | Surface water |
| Franklin Water Utility | Milwaukee | 22,500 | Community | Purchased surface water |
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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, “Indian Hill School, PWSID WI2410664, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/indian-hill-school-wi2410664 (data as of October 1, 2026).