Public water system · IA3307065
ActiveArlington Water Supply
At a glance
Arlington Water Supply (PWSID IA3307065) is an active community water system in Fayette County, Iowa. It reports serving 419 people through 220 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 July 1987.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
419
Service connections
220
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Arlington Water Supply compare with other water systems in Fayette County?
By EPA's size categories, Arlington Water Supply is a very small system (500 people or fewer). Fayette County has 23 active public water systems. Its population served is about 34% below the county average of 634 people per system, and accounts for 2.9% of the 14,592 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 Arlington Water Supply 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 Arlington Water Supply?
EPA lists Arlington 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. 12 of the 23 active systems in Fayette County (52%) are also owned by a local government.
Does Arlington Water Supply have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 1987. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. 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 |
|---|---|---|---|---|
| 1987-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Arlington Water Supply: frequently asked questions
Who runs Arlington Water Supply?
Arlington Water Supply (PWSID IA3307065) is a community water system owned by a local government. It is regulated by the IA state drinking water program.
How many people does Arlington Water Supply serve?
Arlington Water Supply reports serving 419 people through 220 service connections in Fayette County, Iowa.
Where does Arlington 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 Arlington Water Supply 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 July 1987. 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 Arlington 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. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 1987. For current results, consult the system's annual water quality report, EPA ECHO, or the IA state drinking water program.
Where can I find Arlington Water Supply's water quality report?
As a community water system, Arlington 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 Fayette County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oelwein Municipal Water Works | Fayette | 5,920 | Community | Groundwater |
| West Union Water Supply | Fayette | 2,540 | Community | Groundwater |
| Fayette Water Supply | Fayette | 1,256 | Community | Groundwater |
| Elgin Municipal Water Supply | Fayette | 685 | Community | Groundwater |
| Clermont Water Supply | Fayette | 586 | Community | Groundwater |
| North Fayette Valley Community School | Fayette | 552 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Arlington Water Supply, PWSID IA3307065, Iowa”, https://aquacensus.com/water-systems/iowa/arlington-water-supply-ia3307065 (data as of October 1, 2026).