Public water system · IA5307048
ActiveAnamosa Municipal Water Supply
At a glance
Anamosa Municipal Water Supply (PWSID IA5307048) is an active community water system in Jones County, Iowa. It reports serving 4,457 people through 1,950 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,457
Service connections
1,950
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Anamosa Municipal Water Supply compare with other water systems in Jones County?
By EPA's size categories, Anamosa Municipal Water Supply is a medium system (3,301 to 10,000 people). Jones County has 37 active public water systems, and Anamosa Municipal Water Supply is the largest of them by population served. Its population served is about 10 times the county average of 435 people per system, and accounts for 28% of the 16,079 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 Anamosa Municipal Water Supply is about 34% 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 Anamosa Municipal Water Supply?
EPA lists Anamosa Municipal Water Supply 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. 10 of the 37 active systems in Jones County (27%) are also owned by a local government.
Does Anamosa Municipal Water Supply have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2009. The violations listed here began between April 1988 and January 2009. By type: 9 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2007-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2007-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 2006-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Combined Radium (-226 and -228)code 4010 | Yes | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 1990-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 1988-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | 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.
Anamosa Municipal Water Supply: frequently asked questions
Who runs Anamosa Municipal Water Supply?
Anamosa Municipal Water Supply (PWSID IA5307048) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Anamosa Municipal Water Supply serve?
Anamosa Municipal Water Supply reports serving 4,457 people through 1,950 service connections in Jones County, Iowa.
Where does Anamosa Municipal Water Supply 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 Anamosa Municipal Water Supply have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2009. 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 Anamosa Municipal Water Supply'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. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Anamosa Municipal Water Supply's water quality report?
As a community water system, Anamosa Municipal Water Supply 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 Jones County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Monticello Water Supply | Jones | 4,040 | Community | Groundwater |
| Anamosa State Penitentiary | Jones | 1,230 | Community | Groundwater |
| Caseys General Store (Anamosa) | Jones | 1,215 | Transient non-community | Groundwater |
| Olin Water Supply | Jones | 651 | Community | Groundwater |
| Wyoming Water System | Jones | 523 | Community | Groundwater |
| Shops Above the Wapsi | Jones | 515 | Transient non-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, “Anamosa Municipal Water Supply, PWSID IA5307048, Iowa”, https://aquacensus.com/water-systems/iowa/anamosa-municipal-water-supply-ia5307048 (data as of October 1, 2026).