Public water system · OR4100862
ActiveCrooked River Ranch Wtr Co
At a glance
Crooked River Ranch Wtr Co (PWSID OR4100862) is an active community water system in Jefferson County, Oregon. It reports serving 4,000 people through 1,650 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, 8 are health-based, and the most recent began in July 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,000
Service connections
1,650
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Crooked River Ranch Wtr Co compare with other water systems in Jefferson County?
By EPA's size categories, Crooked River Ranch Wtr Co is a medium system (3,301 to 10,000 people). Jefferson County has 31 active public water systems, and Crooked River Ranch Wtr Co is the 2nd-largest of them by population served. Its population served is about 4.6 times the county average of 866 people per system, and accounts for 15% of the 26,851 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 Crooked River Ranch Wtr Co is about 40% 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 Crooked River Ranch Wtr Co?
EPA lists Crooked River Ranch Wtr Co 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. 15 of the 31 active systems in Jefferson County (48%) are also privately owned.
Does Crooked River Ranch Wtr Co have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2024. The violations listed here began between September 2010 and July 2024. By type: 8 contaminant level above the legal limit, 2 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (10 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2015-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2015-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2015-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-11-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Crooked River Ranch Wtr Co: frequently asked questions
Who runs Crooked River Ranch Wtr Co?
Crooked River Ranch Wtr Co (PWSID OR4100862) is a community water system privately owned. It is regulated by the OR state drinking water program.
How many people does Crooked River Ranch Wtr Co serve?
Crooked River Ranch Wtr Co reports serving 4,000 people through 1,650 service connections in Jefferson County, Oregon.
Where does Crooked River Ranch Wtr Co 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 Crooked River Ranch Wtr Co have any drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are 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 Crooked River Ranch Wtr Co'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, 8 are 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 Crooked River Ranch Wtr Co's water quality report?
As a community water system, Crooked River Ranch Wtr Co 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Deschutes Valley Water Dist | Jefferson | 11,700 | Community | Groundwater |
| Madras, City of | Jefferson | 3,940 | Community | Groundwater |
| Oprd Peter Ogden State Wayside | Jefferson | 2,000 | Transient non-community | Groundwater |
| Oprd Cove Palisades - Deschutes River | Jefferson | 950 | Transient non-community | Groundwater |
| Oprd Cove Palisades - Crooked River | Jefferson | 600 | Transient non-community | Groundwater |
| Usfs Allingham Campground | Jefferson | 375 | 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, “Crooked River Ranch Wtr Co, PWSID OR4100862, Oregon”, https://aquacensus.com/water-systems/oregon/crooked-river-ranch-wtr-co-or4100862 (data as of October 1, 2026).