Public water system · IA3126939
ActiveMUD Lake Park
At a glance
MUD Lake Park (PWSID IA3126939) is an active transient non-community water system in Dubuque County, Iowa. It reports serving 257 people through 27 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1992.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
257
Service connections
27
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does MUD Lake Park compare with other water systems in Dubuque County?
By EPA's size categories, MUD Lake Park is a very small system (500 people or fewer). Dubuque County has 74 active public water systems. Its population served is well below the county average of 1,255 people per system, and accounts for 0.3% of the 92,853 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active transient non-community water system reports serving 144 people, so MUD Lake Park is about 79% above 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. Iowa has 626 active transient non-community water systems, 34% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates MUD Lake Park?
EPA lists MUD Lake Park as owned by a local government. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 22 of the 74 active systems in Dubuque County (30%) are also owned by a local government.
Does MUD Lake Park have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1992. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 1992-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The one violation in EPA's records.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.
MUD Lake Park: frequently asked questions
Who runs MUD Lake Park?
MUD Lake Park (PWSID IA3126939) is a transient non-community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does MUD Lake Park serve?
MUD Lake Park reports serving 257 people through 27 service connections in Dubuque County, Iowa.
Where does MUD Lake Park 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 MUD Lake Park have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in October 1992. 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 MUD Lake Park'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 one violation for this system; it is not health-based, and the most recent began in October 1992. For current results, consult EPA ECHO, or the IA state drinking water program.
Where can I find MUD Lake Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. MUD Lake Park 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 Dubuque County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dubuque Water Works | Dubuque | 59,667 | Community | Groundwater |
| Asbury Municipal Water System | Dubuque | 5,943 | Community | Groundwater |
| Dyersville Municipal Water Co | Dubuque | 4,477 | Community | Groundwater |
| John Deere Dubuque Works | Dubuque | 3,000 | Non-transient non-community | Groundwater |
| Cascade Municipal Water Supply | Dubuque | 2,386 | Community | Groundwater |
| Peosta Water Supply | Dubuque | 2,278 | 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, “MUD Lake Park, PWSID IA3126939, Iowa”, https://aquacensus.com/water-systems/iowa/mud-lake-park-ia3126939 (data as of October 1, 2026).