Public water system · WI2650124
ActiveTroy Terrace MHP
At a glance
Troy Terrace MHP (PWSID WI2650124) is an active community water system in Walworth County, Wisconsin. It reports serving 150 people through 69 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
69
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Troy Terrace MHP compare with other water systems in Walworth County?
By EPA's size categories, Troy Terrace MHP is a very small system (500 people or fewer). Walworth County has 252 active public water systems. Its population served is about 60% below the county average of 380 people per system, and accounts for 0.2% of the 95,693 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 Troy Terrace MHP 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 Troy Terrace MHP?
EPA lists Troy Terrace MHP as privately owned. 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. 215 of the 252 active systems in Walworth County (85%) are also privately owned.
Does Troy Terrace MHP have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2013. The violations listed here began between September 1994 and January 2013. By type: 7 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2013-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2007-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2006-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 8 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.
Troy Terrace MHP: frequently asked questions
Who runs Troy Terrace MHP?
Troy Terrace MHP (PWSID WI2650124) is a community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Troy Terrace MHP serve?
Troy Terrace MHP reports serving 150 people through 69 service connections in Walworth County, Wisconsin.
Where does Troy Terrace MHP 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 Troy Terrace MHP have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2013. 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 Troy Terrace MHP'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 8 violations for this system; none is health-based, and the most recent began in January 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Troy Terrace MHP's water quality report?
As a community water system, Troy Terrace MHP 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 Walworth County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Whitewater Waterworks | Walworth | 14,000 | Community | Groundwater |
| Elkhorn Waterworks | Walworth | 10,317 | Community | Groundwater |
| Delavan Waterworks | Walworth | 9,028 | Community | Groundwater |
| Lake Geneva Utility Commission | Walworth | 7,107 | Community | Groundwater |
| East Troy Waterworks | Walworth | 5,054 | Community | Groundwater |
| Bloomfield, Village of | Walworth | 4,071 | Community | Groundwater |
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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, “Troy Terrace MHP, PWSID WI2650124, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/troy-terrace-mhp-wi2650124 (data as of October 1, 2026).