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Public water system · OR4101354

Active

Willow Estates Mobile Home Pk

At a glance

Willow Estates Mobile Home Pk (PWSID OR4101354) is an active community water system in Josephine County, Oregon. It reports serving 250 people through 170 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, none is health-based, and the most recent began in July 2025.

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

Population served

250

Service connections

170

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4101354
System typeCommunity water system
Activity statusActive
Population served250
Service connections170
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyJosephine County

How does Willow Estates Mobile Home Pk compare with other water systems in Josephine County?

By EPA's size categories, Willow Estates Mobile Home Pk is a very small system (500 people or fewer). Josephine County has 150 active public water systems. Its population served is about 38% below the county average of 403 people per system, and accounts for 0.4% of the 60,442 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 Willow Estates Mobile Home Pk 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 Willow Estates Mobile Home Pk?

EPA lists Willow Estates Mobile Home Pk 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. 108 of the 150 active systems in Josephine County (72%) are also privately owned.

Does Willow Estates Mobile Home Pk have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between January 2014 and July 2025. By type: 7 monitoring and reporting, 4 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 7 as resolved, 3 as archived and 2 as unaddressed. 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. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2024-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoArchived
2017-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoArchived
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) adipatecode 2035NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved

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.

Willow Estates Mobile Home Pk: frequently asked questions

Who runs Willow Estates Mobile Home Pk?

Willow Estates Mobile Home Pk (PWSID OR4101354) is a community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Willow Estates Mobile Home Pk serve?

Willow Estates Mobile Home Pk reports serving 250 people through 170 service connections in Josephine County, Oregon.

Where does Willow Estates Mobile Home Pk 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 Willow Estates Mobile Home Pk 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 July 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 Willow Estates Mobile Home Pk'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 July 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 Willow Estates Mobile Home Pk's water quality report?

As a community water system, Willow Estates Mobile Home Pk 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 Josephine County

Water systemCountyPopulation servedTypeSource
Grants Pass, City ofJosephine37,138CommunitySurface water
Rogue Community CollegeJosephine2,400Non-transient non-communityPurchased surface water
Cave Junction, City ofJosephine2,160CommunitySurface water
Ote Manzanita Rest AreaJosephine1,200Transient non-communityGroundwater
Hidden Valley HighJosephine546Non-transient non-communityGroundwater
Lil Pantry Xpress MerlinJosephine512Transient non-communityGroundwater

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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, “Willow Estates Mobile Home Pk, PWSID OR4101354, Oregon”, https://aquacensus.com/water-systems/oregon/willow-estates-mobile-home-pk-or4101354 (data as of October 1, 2026).