Public water system · IN2710857

Active

Camp Millhouse

At a glance

Camp Millhouse (PWSID IN2710857) is an active transient non-community water system in St. Joseph County, Indiana. It reports serving 44 people through 12 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, 3 are health-based, and the most recent began in September 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIN2710857

System typeTransient non-community water system

Activity statusActive

Population served44

Service connections12

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyIN state drinking water program

City servedSouth Bend

StateIndiana

ZIP—

CountySt. Joseph County

How does Camp Millhouse compare with other water systems in St. Joseph County?

By EPA's size categories, Camp Millhouse is a very small system (500 people or fewer). St. Joseph County has 221 active public water systems. Its population served is well below the county average of 989 people per system, and accounts for less than 0.1% of the 218,558 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Camp Millhouse is well below that figure.

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

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Indiana has 2,596 active transient non-community water systems, 65% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.

Who owns and regulates Camp Millhouse?

EPA lists Camp Millhouse as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 199 of the 221 active systems in St. Joseph County (90%) are also privately owned.

Does Camp Millhouse have drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in September 2024. The violations listed here began between April 2019 and September 2024. By type: 5 reporting, 4 monitoring and 3 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (12 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
2024-09-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2024-05-09	Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D	Revised Total Coliform Rulecode 8000	Yes	Resolved
2023-07-09	Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D	Revised Total Coliform Rulecode 8000	Yes	Resolved
2023-04-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-08-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2020-06-09	Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D	Revised Total Coliform Rulecode 8000	Yes	Resolved
2020-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2020-05-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-09-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-06-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2019-04-01	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	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.

Camp Millhouse: frequently asked questions

Who runs Camp Millhouse?

Camp Millhouse (PWSID IN2710857) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.

How many people does Camp Millhouse serve?

Camp Millhouse reports serving 44 people through 12 service connections in St. Joseph County, Indiana.

Where does Camp Millhouse 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 Camp Millhouse have any drinking water violations?

Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in September 2024. 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 Camp Millhouse'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, 3 are health-based, and the most recent began in September 2024. For current results, consult EPA ECHO, or the IN state drinking water program.

Where can I find Camp Millhouse's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Camp Millhouse is a 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 St. Joseph County

Water system	County	Population served	Type	Source
South Bend Water Works	St. Joseph	115,000	Community	Groundwater
Mishawaka Utilities	St. Joseph	49,675	Community	Groundwater
University of Notre Dame	St. Joseph	7,400	Community	Groundwater
Walkerton Light & Water	St. Joseph	2,262	Community	Groundwater
Sisters of Holy Cross-St. Marys College	St. Joseph	2,111	Community	Groundwater
North Liberty Water Works	St. Joseph	1,896	Community	Groundwater

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Camp Millhouse, PWSID IN2710857, Indiana”, https://aquacensus.com/water-systems/indiana/camp-millhouse-in2710857 (data as of October 1, 2026).