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Public water system · OR4100765

Active

Mclain Village Water Dept

At a glance

Mclain Village Water Dept (PWSID OR4100765) is an active community water system in Marion County, Oregon. It reports serving 100 people through 24 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2025.

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

Population served

100

Service connections

24

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4100765
System typeCommunity water system
Activity statusActive
Population served100
Service connections24
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyMarion County

How does Mclain Village Water Dept compare with other water systems in Marion County?

By EPA's size categories, Mclain Village Water Dept is a very small system (500 people or fewer). Marion County has 192 active public water systems. Its population served is well below the county average of 1,921 people per system, and accounts for less than 0.1% of the 368,811 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 Mclain Village Water Dept 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. 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 Mclain Village Water Dept?

EPA lists Mclain Village Water Dept as privately owned. 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. 133 of the 192 active systems in Marion County (69%) are also privately owned.

Does Mclain Village Water Dept have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2025. The violations listed here began between April 2011 and October 2025. By type: 6 public notice, recordkeeping or other, 4 monitoring and reporting, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (6 of them). EPA lists 7 as unaddressed and 5 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2024-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2024-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2023-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2012-12-26Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2012-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2011-07-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved
2011-04-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved

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.

Mclain Village Water Dept: frequently asked questions

Who runs Mclain Village Water Dept?

Mclain Village Water Dept (PWSID OR4100765) is a community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Mclain Village Water Dept serve?

Mclain Village Water Dept reports serving 100 people through 24 service connections in Marion County, Oregon.

Where does Mclain Village Water Dept 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 Mclain Village Water Dept have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2025. 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 Mclain Village Water Dept'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, 2 are health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

Where can I find Mclain Village Water Dept's water quality report?

As a community water system, Mclain Village Water Dept 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 Marion County

Water systemCountyPopulation servedTypeSource
Salem Public WorksMarion199,820CommunitySurface water
Keizer, City ofMarion38,585CommunityGroundwater
Woodburn, City ofMarion29,455CommunityGroundwater
Suburban East Salem WdMarion13,900CommunityPurchased surface water
Silverton, City ofMarion10,484CommunitySurface water
City of StaytonMarion8,400CommunitySurface 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, “Mclain Village Water Dept, PWSID OR4100765, Oregon”, https://aquacensus.com/water-systems/oregon/mclain-village-water-dept-or4100765 (data as of October 1, 2026).