Public water system · OR4100399
ActiveIndependence Water System
At a glance
Independence Water System (PWSID OR4100399) is an active community water system in Polk County, Oregon. It reports serving 10,300 people through 2,648 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, none is health-based, and the most recent began in April 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,300
Service connections
2,648
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Independence Water System compare with other water systems in Polk County?
By EPA's size categories, Independence Water System is a large system (10,001 to 100,000 people). Polk County has 29 active public water systems, and Independence Water System is the 3rd-largest of them by population served. Its population served is about 5.6 times the county average of 1,851 people per system, and accounts for 19% of the 53,687 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active community water system reports serving 6,703 people, so Independence Water System is about 54% above 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. Oregon has 940 active community water systems, 37% of the state's 2,536 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,175 Oregon systems (86%) list groundwater as their primary source.
Who owns and regulates Independence Water System?
EPA lists Independence Water System as owned by a local government. The OR state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 29 active systems in Polk County (28%) are also owned by a local government.
Does Independence Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2020. The violations listed here began between July 2009 and April 2020. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Coliphage (9 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 |
|---|---|---|---|---|
| 2020-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2018-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2018-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2018-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2018-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2018-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2018-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2012-01-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | Coliphagecode 3028 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | 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.
Independence Water System: frequently asked questions
Who runs Independence Water System?
Independence Water System (PWSID OR4100399) is a community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does Independence Water System serve?
Independence Water System reports serving 10,300 people through 2,648 service connections in Polk County, Oregon.
Where does Independence 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 Independence Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2020. 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 Independence 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find Independence Water System's water quality report?
As a community water system, Independence 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 Polk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dallas, City of | Polk | 17,911 | Community | Surface water |
| Monmouth, City of | Polk | 11,651 | Community | Groundwater under influence of surface water |
| Luckiamute Domestic Water Coop | Polk | 2,738 | Community | Purchased surface water |
| Perrydale Domestic Wtr Assn | Polk | 2,655 | Community | Groundwater |
| Grand Ronde Community Wtr Assn | Polk | 2,500 | Community | Groundwater |
| Rickreall Water Association | Polk | 1,650 | 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, “Independence Water System, PWSID OR4100399, Oregon”, https://aquacensus.com/water-systems/oregon/independence-water-system-or4100399 (data as of October 1, 2026).