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Public water system · OR4101472

Active

Mill Mar Estates Irrigation Assoc

At a glance

Mill Mar Estates Irrigation Assoc (PWSID OR4101472) is an active community water system in Jackson County, Oregon. It reports serving 75 people through 25 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 2024.

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

Population served

75

Service connections

25

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4101472
System typeCommunity water system
Activity statusActive
Population served75
Service connections25
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyJackson County

How does Mill Mar Estates Irrigation Assoc compare with other water systems in Jackson County?

By EPA's size categories, Mill Mar Estates Irrigation Assoc is a very small system (500 people or fewer). Jackson County has 200 active public water systems. Its population served is well below the county average of 983 people per system, and accounts for less than 0.1% of the 196,508 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 Mill Mar Estates Irrigation Assoc 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 Mill Mar Estates Irrigation Assoc?

EPA lists Mill Mar Estates Irrigation Assoc 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. 153 of the 200 active systems in Jackson County (77%) are also privately owned.

Does Mill Mar Estates Irrigation Assoc 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 2024. The violations listed here began between February 2013 and July 2024. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 9 as resolved and 3 as archived. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Di(2-ethylhexyl) phthalatecode 2039NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoArchived
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoArchived
2013-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-03-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Mill Mar Estates Irrigation Assoc: frequently asked questions

Who runs Mill Mar Estates Irrigation Assoc?

Mill Mar Estates Irrigation Assoc (PWSID OR4101472) is a community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Mill Mar Estates Irrigation Assoc serve?

Mill Mar Estates Irrigation Assoc reports serving 75 people through 25 service connections in Jackson County, Oregon.

Where does Mill Mar Estates Irrigation Assoc 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 Mill Mar Estates Irrigation Assoc 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 2024. 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 Mill Mar Estates Irrigation Assoc'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 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

Where can I find Mill Mar Estates Irrigation Assoc's water quality report?

As a community water system, Mill Mar Estates Irrigation Assoc 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 Jackson County

Water systemCountyPopulation servedTypeSource
Medford Water CommissionJackson106,068CommunitySurface water
Ashland Water DepartmentJackson20,946CommunitySurface water
Central Point, City ofJackson19,785CommunityPurchased surface water
Eagle Point, City ofJackson9,554CommunityPurchased surface water
Talent, City ofJackson6,293CommunityPurchased surface water
Phoenix, City ofJackson5,900CommunityPurchased 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, “Mill Mar Estates Irrigation Assoc, PWSID OR4101472, Oregon”, https://aquacensus.com/water-systems/oregon/mill-mar-estates-irrigation-assoc-or4101472 (data as of October 1, 2026).