Public water system · OR4100635
ActiveSunrise Water Authority
At a glance
Sunrise Water Authority (PWSID OR4100635) is an active community water system in Clackamas County, Oregon. It reports serving 50,003 people through 16,771 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2008.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50,003
Service connections
16,771
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Sunrise Water Authority compare with other water systems in Clackamas County?
By EPA's size categories, Sunrise Water Authority is a large system (10,001 to 100,000 people). Clackamas County has 241 active public water systems, and Sunrise Water Authority is the largest of them by population served. Its population served is about 31 times the county average of 1,602 people per system, and accounts for 13% of the 385,972 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 Sunrise Water Authority is about 7.5 times 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 surface water means the system buys surface water from another public water system rather than drawing its own. 105 Oregon systems (4.1%) list purchased surface water as their primary source.
Who owns and regulates Sunrise Water Authority?
EPA lists Sunrise Water Authority as owned by a local government. 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. 57 of the 241 active systems in Clackamas County (24%) are also owned by a local government.
Does Sunrise Water Authority have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2008. The violations listed here began between January 1995 and October 2008. By type: 7 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2005-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-09-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1996-05-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Sunrise Water Authority: frequently asked questions
Who runs Sunrise Water Authority?
Sunrise Water Authority (PWSID OR4100635) is a community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does Sunrise Water Authority serve?
Sunrise Water Authority reports serving 50,003 people through 16,771 service connections in Clackamas County, Oregon.
Where does Sunrise Water Authority get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Sunrise Water Authority have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2008. 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 Sunrise Water Authority'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 7 violations for this system; none is health-based, and the most recent began in October 2008. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find Sunrise Water Authority's water quality report?
As a community water system, Sunrise Water Authority 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 Clackamas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lake Oswego Municipal Water | Clackamas | 40,000 | Community | Purchased surface water |
| Oregon City | Clackamas | 33,940 | Community | Purchased surface water |
| Oak Lodge Water Services | Clackamas | 30,000 | Community | Purchased surface water |
| Clackamas River Water | Clackamas | 29,918 | Community | Surface water |
| West Linn, City of | Clackamas | 28,000 | Community | Purchased surface water |
| Wilsonville, City of | Clackamas | 25,915 | Community | 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, “Sunrise Water Authority, PWSID OR4100635, Oregon”, https://aquacensus.com/water-systems/oregon/sunrise-water-authority-or4100635 (data as of October 1, 2026).