Public water system · IA3113001
ActiveBernard Water System
At a glance
Bernard Water System (PWSID IA3113001) is an active community water system in Dubuque County, Iowa. It reports serving 114 people through 65 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 1997.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
114
Service connections
65
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Bernard Water System compare with other water systems in Dubuque County?
By EPA's size categories, Bernard Water System 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 0.1% 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 community water system reports serving 6,703 people, so Bernard Water System 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 Bernard Water System?
EPA lists Bernard Water System 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 Bernard Water System have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 1997. The violations listed here began between April 1996 and March 1997. By type: 3 monitoring and reporting. The contaminants or rules involved are Nitrite, Total coliform bacteria (TCR) and Nitrate. 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 |
|---|---|---|---|---|
| 1997-03-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1997-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Bernard Water System: frequently asked questions
Who runs Bernard Water System?
Bernard Water System (PWSID IA3113001) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Bernard Water System serve?
Bernard Water System reports serving 114 people through 65 service connections in Dubuque County, Iowa.
Where does Bernard Water System 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 Bernard Water System have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in March 1997. 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 Bernard Water System'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 March 1997. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Bernard Water System's water quality report?
As a community water system, Bernard Water System 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 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, “Bernard Water System, PWSID IA3113001, Iowa”, https://aquacensus.com/water-systems/iowa/bernard-water-system-ia3113001 (data as of October 1, 2026).