Public water system · MO6031523
ActiveMirasol Subdivision
At a glance
Mirasol Subdivision (PWSID MO6031523) is an active community water system in Jefferson County, Missouri. It reports serving 2,012 people through 803 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,012
Service connections
803
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mirasol Subdivision compare with other water systems in Jefferson County?
By EPA's size categories, Mirasol Subdivision is a small system (501 to 3,300 people). Jefferson County has 92 active public water systems. Its population served is roughly in line with the county average of 2,034 people per system, and accounts for 1.1% of the 187,106 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Mirasol Subdivision 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. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.
Who owns and regulates Mirasol Subdivision?
EPA lists Mirasol Subdivision as privately owned. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 65 of the 92 active systems in Jefferson County (71%) are also privately owned.
Does Mirasol Subdivision have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2021. The violations listed here began between April 2011 and September 2021. By type: 1 monitoring, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule, Consumer Confidence Rule and Lead and Copper Rule. EPA lists 3 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 |
|---|---|---|---|---|
| 2021-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-04-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
All 3 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.
Mirasol Subdivision: frequently asked questions
Who runs Mirasol Subdivision?
Mirasol Subdivision (PWSID MO6031523) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Mirasol Subdivision serve?
Mirasol Subdivision reports serving 2,012 people through 803 service connections in Jefferson County, Missouri.
Where does Mirasol Subdivision 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 Mirasol Subdivision have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2021. 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 Mirasol Subdivision'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 3 violations for this system; none is health-based, and the most recent began in September 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Mirasol Subdivision's water quality report?
As a community water system, Mirasol Subdivision 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Jefferson Co Cons Pwsd C 1 | Jefferson | 37,000 | Community | Purchased surface water |
| Jefferson County Pwsd 1 | Jefferson | 21,113 | Community | Purchased surface water |
| Jefferson County Pwsd 3 | Jefferson | 17,000 | Community | Purchased surface water |
| Jefferson County Pwsd 2 | Jefferson | 16,548 | Community | Surface water |
| Festus Pws | Jefferson | 13,000 | Community | Purchased groundwater under influence |
| Jefferson County Pwsd 10 | Jefferson | 10,000 | Community | Purchased surface water |
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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, “Mirasol Subdivision, PWSID MO6031523, Missouri”, https://aquacensus.com/water-systems/missouri/mirasol-subdivision-mo6031523 (data as of October 1, 2026).