Public water system · WI1530061
ActiveLone Rock Waterworks
Community water system in Richland County, Wisconsin, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
895
Service connections
267
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-02-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-11-01 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2016-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2001-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | 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.
Lone Rock Waterworks: frequently asked questions
Is Lone Rock Waterworks's water safe to drink?
Lone Rock Waterworks is an active community water system regulated under the Safe Drinking Water Act, overseen by the WI state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Lone Rock Waterworks?
Lone Rock Waterworks (PWSID WI1530061) is a local government-owned community water system, regulated by the WI state drinking water program.
How many people does Lone Rock Waterworks serve?
Lone Rock Waterworks reports serving 895 people through 267 service connections in Richland County, Wisconsin.
Where does Lone Rock Waterworks get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in Richland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Richland Center Waterworks | Richland | 5,100 | Community | Groundwater |
| Ithaca Public School K-12 | Richland | 700 | Non-transient non-community | Groundwater |
| Sextonville Waterworks | Richland | 425 | Community | Groundwater |
| Cazenovia Waterworks | Richland | 351 | Community | Groundwater |
| Richland Center Intermediate School | Richland | 321 | Non-transient non-community | Groundwater |
| New House Richland | Richland | 265 | Non-transient non-community | Groundwater |
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