Public water system · OR4101548
ActiveWest Gregory MHP South
At a glance
West Gregory MHP South (PWSID OR4101548) is an active community water system in Jackson County, Oregon. It reports serving 30 people through 21 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
21
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does West Gregory MHP South compare with other water systems in Jackson County?
By EPA's size categories, West Gregory MHP South 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 West Gregory MHP South 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 West Gregory MHP South?
EPA lists West Gregory MHP South 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 West Gregory MHP South have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 2025. The violations listed here began between November 2021 and December 2025. By type: 5 monitoring and reporting and 3 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 8 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2021-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 8 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.
West Gregory MHP South: frequently asked questions
Who runs West Gregory MHP South?
West Gregory MHP South (PWSID OR4101548) is a community water system privately owned. It is regulated by the OR state drinking water program.
How many people does West Gregory MHP South serve?
West Gregory MHP South reports serving 30 people through 21 service connections in Jackson County, Oregon.
Where does West Gregory MHP South 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 West Gregory MHP South have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 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 West Gregory MHP South'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. EPA's records list 8 violations for this system; none is health-based, and the most recent began in December 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 West Gregory MHP South's water quality report?
As a community water system, West Gregory MHP South 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Medford Water Commission | Jackson | 106,068 | Community | Surface water |
| Ashland Water Department | Jackson | 20,946 | Community | Surface water |
| Central Point, City of | Jackson | 19,785 | Community | Purchased surface water |
| Eagle Point, City of | Jackson | 9,554 | Community | Purchased surface water |
| Talent, City of | Jackson | 6,293 | Community | Purchased surface water |
| Phoenix, City of | Jackson | 5,900 | Community | Purchased 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, “West Gregory MHP South, PWSID OR4101548, Oregon”, https://aquacensus.com/water-systems/oregon/west-gregory-mhp-south-or4101548 (data as of October 1, 2026).