Public water system · WI2683598
ActiveDotties Citgo - Hartland
At a glance
Dotties Citgo - Hartland (PWSID WI2683598) is an active transient non-community water system in Waukesha County, Wisconsin. It reports serving 155 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 1995.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
155
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dotties Citgo - Hartland compare with other water systems in Waukesha County?
By EPA's size categories, Dotties Citgo - Hartland is a very small system (500 people or fewer). Waukesha County has 589 active public water systems. Its population served is well below the county average of 549 people per system, and accounts for less than 0.1% of the 323,265 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Dotties Citgo - Hartland is roughly in line with 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. Wisconsin has 9,112 active transient non-community water systems, 82% 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 Dotties Citgo - Hartland?
EPA lists Dotties Citgo - Hartland 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. 452 of the 589 active systems in Waukesha County (77%) are also privately owned.
Does Dotties Citgo - Hartland have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 1995. The violations listed here began between January 1994 and January 1995. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrite and Nitrate. EPA lists 2 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 |
|---|---|---|---|---|
| 1995-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1994-01-05 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 2 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.
Dotties Citgo - Hartland: frequently asked questions
Who runs Dotties Citgo - Hartland?
Dotties Citgo - Hartland (PWSID WI2683598) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Dotties Citgo - Hartland serve?
Dotties Citgo - Hartland reports serving 155 people through 1 service connection in Waukesha County, Wisconsin.
Where does Dotties Citgo - Hartland 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 Dotties Citgo - Hartland have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 1995. 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 Dotties Citgo - Hartland'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 2 violations for this system; none is health-based, and the most recent began in January 1995. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Dotties Citgo - Hartland's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dotties Citgo - Hartland 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 Waukesha County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Waukesha Water Utility | Waukesha | 70,718 | Community | Purchased surface water |
| Brookfield Water Utility | Waukesha | 29,070 | Community | Groundwater |
| New Berlin Water Utility | Waukesha | 27,899 | Community | Purchased surface water |
| Menomonee Falls Ww - Surface Water | Waukesha | 23,867 | Community | Purchased surface water |
| Oconomowoc Waterworks | Waukesha | 15,805 | Community | Groundwater |
| Sussex Village Hall & Water Utility | Waukesha | 11,750 | 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, “Dotties Citgo - Hartland, PWSID WI2683598, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/dotties-citgo-hartland-wi2683598 (data as of October 1, 2026).