Public water system · WI4240221
ActiveLamplighter Mhc LLC
At a glance
Lamplighter Mhc LLC (PWSID WI4240221) is an active community water system in Green Lake County, Wisconsin. It reports serving 80 people through 41 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
41
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lamplighter Mhc LLC compare with other water systems in Green Lake County?
By EPA's size categories, Lamplighter Mhc LLC is a very small system (500 people or fewer). Green Lake County has 70 active public water systems. Its population served is about 62% below the county average of 211 people per system, and accounts for 0.5% of the 14,772 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 Lamplighter Mhc LLC 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 Lamplighter Mhc LLC?
EPA lists Lamplighter Mhc LLC 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. 63 of the 70 active systems in Green Lake County (90%) are also privately owned.
Does Lamplighter Mhc LLC have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2012. The violations listed here began between April 1997 and January 2012. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2012-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 4 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.
Lamplighter Mhc LLC: frequently asked questions
Who runs Lamplighter Mhc LLC?
Lamplighter Mhc LLC (PWSID WI4240221) is a community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Lamplighter Mhc LLC serve?
Lamplighter Mhc LLC reports serving 80 people through 41 service connections in Green Lake County, Wisconsin.
Where does Lamplighter Mhc LLC 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 Lamplighter Mhc LLC have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2012. 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 Lamplighter Mhc LLC'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 4 violations for this system; none is health-based, and the most recent began in January 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Lamplighter Mhc LLC's water quality report?
As a community water system, Lamplighter Mhc LLC 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 Green Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Berlin Waterworks | Green Lake | 5,524 | Community | Groundwater |
| Markesan Waterworks | Green Lake | 1,365 | Community | Groundwater |
| Princeton Waterworks | Green Lake | 1,166 | Community | Groundwater |
| Green Lake Waterworks | Green Lake | 1,002 | Community | Groundwater |
| Amer Baptist Assem Main | Green Lake | 640 | Non-transient non-community | Groundwater |
| All Saints Catholic Parish | Green Lake | 302 | Non-transient non-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, “Lamplighter Mhc LLC, PWSID WI4240221, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/lamplighter-mhc-llc-wi4240221 (data as of October 1, 2026).