Public water system · IA2330303
ActiveCardinal Valley Estates 3rd Addition
At a glance
Cardinal Valley Estates 3rd Addition (PWSID IA2330303) is an active community water system in Clinton County, Iowa. It reports serving 25 people through 13 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
13
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cardinal Valley Estates 3rd Addition compare with other water systems in Clinton County?
By EPA's size categories, Cardinal Valley Estates 3rd Addition is a very small system (500 people or fewer). Clinton County has 29 active public water systems. Its population served is well below the county average of 1,391 people per system, and accounts for less than 0.1% of the 40,325 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active community water system reports serving 6,703 people, so Cardinal Valley Estates 3rd Addition 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. Iowa has 1,084 active community water systems, 59% 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 Cardinal Valley Estates 3rd Addition?
EPA lists Cardinal Valley Estates 3rd Addition as privately owned. 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. 15 of the 29 active systems in Clinton County (52%) are also privately owned.
Does Cardinal Valley Estates 3rd Addition have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2017. The violations listed here began between July 2017 and July 2017. By type: 5 monitoring and reporting. The contaminants or rules involved are Pentachlorophenol, Glyphosate, Picloram and Diquat. EPA lists 5 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 |
|---|---|---|---|---|
| 2017-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Glyphosatecode 2034 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Diquatcode 2032 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
All 5 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.
Cardinal Valley Estates 3rd Addition: frequently asked questions
Who runs Cardinal Valley Estates 3rd Addition?
Cardinal Valley Estates 3rd Addition (PWSID IA2330303) is a community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Cardinal Valley Estates 3rd Addition serve?
Cardinal Valley Estates 3rd Addition reports serving 25 people through 13 service connections in Clinton County, Iowa.
Where does Cardinal Valley Estates 3rd Addition 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 Cardinal Valley Estates 3rd Addition have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2017. 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 Cardinal Valley Estates 3rd Addition'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 5 violations for this system; none is health-based, and the most recent began in July 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Cardinal Valley Estates 3rd Addition's water quality report?
As a community water system, Cardinal Valley Estates 3rd Addition 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 Clinton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Iowa-American Wtr Co-Clinton District | Clinton | 24,769 | Community | Groundwater |
| De Witt Water Supply | Clinton | 5,514 | Community | Groundwater |
| Camanche Water Supply | Clinton | 4,570 | Community | Groundwater |
| Wheatland City Water Supply | Clinton | 775 | Community | Groundwater |
| Equistar Chemicals Lp | Clinton | 715 | Non-transient non-community | Groundwater |
| Grand Mound Water Supply | Clinton | 615 | 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, “Cardinal Valley Estates 3rd Addition, PWSID IA2330303, Iowa”, https://aquacensus.com/water-systems/iowa/cardinal-valley-estates-3rd-addition-ia2330303 (data as of October 1, 2026).