Public water system · OR4101194
ActiveHighland Ranch Estates
At a glance
Highland Ranch Estates (PWSID OR4101194) is an active community water system in Harney County, Oregon. It reports serving 60 people through 22 service connections. Its primary water source is purchased 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 January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
60
Service connections
22
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Highland Ranch Estates compare with other water systems in Harney County?
By EPA's size categories, Highland Ranch Estates is a very small system (500 people or fewer). Harney County has 11 active public water systems. Its population served is well below the county average of 483 people per system, and accounts for 1.1% of the 5,315 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 Highland Ranch Estates 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 24 Oregon systems (0.9%) list purchased groundwater as their primary source.
Who owns and regulates Highland Ranch Estates?
EPA lists Highland Ranch Estates 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. 6 of the 11 active systems in Harney County (55%) are also privately owned.
Does Highland Ranch Estates 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 2026. The violations listed here began between January 2000 and January 2026. By type: 6 monitoring, 5 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 as resolved and 1 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2005-06-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Highland Ranch Estates: frequently asked questions
Who runs Highland Ranch Estates?
Highland Ranch Estates (PWSID OR4101194) is a community water system privately owned. It is regulated by the OR state drinking water program.
How many people does Highland Ranch Estates serve?
Highland Ranch Estates reports serving 60 people through 22 service connections in Harney County, Oregon.
Where does Highland Ranch Estates get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Highland Ranch Estates 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 2026. 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 Highland Ranch Estates' 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 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find Highland Ranch Estates' water quality report?
As a community water system, Highland Ranch Estates 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 Harney County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Burns Water Department | Harney | 2,730 | Community | Groundwater |
| Hines Water Department | Harney | 1,645 | Community | Groundwater |
| Crane Union High/Elem Sd 1j | Harney | 340 | Non-transient non-community | Groundwater |
| Odot Hd Sage Hen Hill Rest Area | Harney | 200 | Transient non-community | Groundwater |
| Gh2o Inc. | Harney | 120 | Community | Groundwater |
| Blm Burns District Office | Harney | 70 | Non-transient non-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, “Highland Ranch Estates, PWSID OR4101194, Oregon”, https://aquacensus.com/water-systems/oregon/highland-ranch-estates-or4101194 (data as of October 1, 2026).