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Public water system · OR4100461

Active

Rivergrove Water District

At a glance

Rivergrove Water District (PWSID OR4100461) is an active community water system in Clackamas County, Oregon. It reports serving 4,000 people through 1,380 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 January 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

4,000

Service connections

1,380

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4100461
System typeCommunity water system
Activity statusActive
Population served4,000
Service connections1,380
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyClackamas County

How does Rivergrove Water District compare with other water systems in Clackamas County?

By EPA's size categories, Rivergrove Water District is a medium system (3,301 to 10,000 people). Clackamas County has 241 active public water systems. Its population served is about 150% above the county average of 1,602 people per system, and accounts for 1% of the 385,972 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 Rivergrove Water District is about 40% 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. 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 Rivergrove Water District?

EPA lists Rivergrove Water District 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. 57 of the 241 active systems in Clackamas County (24%) are also owned by a local government.

Does Rivergrove Water District have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between January 2023 and January 2023. By type: 12 monitoring and reporting. The contaminants or rules involved are trans-1,2-Dichloroethylene, cis-1,2-Dichloroethylene, Benzene and Tetrachloroethylene. EPA lists 12 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2023-01-01Monitoring and reportingMonitoring, Regular · code 03trans-1,2-Dichloroethylenecode 2979NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoArchived
2023-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoArchived

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.

Rivergrove Water District: frequently asked questions

Who runs Rivergrove Water District?

Rivergrove Water District (PWSID OR4100461) is a community water system owned by a local government. It is regulated by the OR state drinking water program.

How many people does Rivergrove Water District serve?

Rivergrove Water District reports serving 4,000 people through 1,380 service connections in Clackamas County, Oregon.

Where does Rivergrove Water District 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 Rivergrove Water District 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 January 2023. 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 Rivergrove Water District'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 January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

Where can I find Rivergrove Water District's water quality report?

As a community water system, Rivergrove Water District 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 Clackamas County

Water systemCountyPopulation servedTypeSource
Sunrise Water AuthorityClackamas50,003CommunityPurchased surface water
Lake Oswego Municipal WaterClackamas40,000CommunityPurchased surface water
Oregon CityClackamas33,940CommunityPurchased surface water
Oak Lodge Water ServicesClackamas30,000CommunityPurchased surface water
Clackamas River WaterClackamas29,918CommunitySurface water
West Linn, City ofClackamas28,000CommunityPurchased surface water

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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, “Rivergrove Water District, PWSID OR4100461, Oregon”, https://aquacensus.com/water-systems/oregon/rivergrove-water-district-or4100461 (data as of October 1, 2026).