Public water system · OR4101533
ActiveCity of Millersburg
At a glance
City of Millersburg (PWSID OR4101533) is an active community water system in Linn County, Oregon. It reports serving 2,615 people through 1,314 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,615
Service connections
1,314
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Millersburg compare with other water systems in Linn County?
By EPA's size categories, City of Millersburg is a small system (501 to 3,300 people). Linn County has 161 active public water systems, and City of Millersburg is the 5th-largest of them by population served. Its population served is about 3.4 times the county average of 769 people per system, and accounts for 2.1% of the 123,772 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 City of Millersburg is about 61% 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 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 City of Millersburg?
EPA lists City of Millersburg 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. 33 of the 161 active systems in Linn County (20%) are also owned by a local government.
Does City of Millersburg have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2020. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2020-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records. 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.
City of Millersburg: frequently asked questions
Who runs City of Millersburg?
City of Millersburg (PWSID OR4101533) is a community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does City of Millersburg serve?
City of Millersburg reports serving 2,615 people through 1,314 service connections in Linn County, Oregon.
Where does City of Millersburg 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 City of Millersburg have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2020. 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 City of Millersburg'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 one violation for this system; it is not health-based, and the most recent began in June 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find City of Millersburg's water quality report?
As a community water system, City of Millersburg 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 Linn County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Albany, City of | Linn | 57,997 | Community | Surface water |
| Lebanon, City of | Linn | 18,945 | Community | Surface water |
| Sweet Home, City of | Linn | 10,322 | Community | Surface water |
| Harrisburg, City of | Linn | 3,684 | Community | Groundwater |
| Brownsville, City of | Linn | 1,906 | Community | Groundwater under influence of surface water |
| Mill City Water Department | Linn | 1,830 | 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, “City of Millersburg, PWSID OR4101533, Oregon”, https://aquacensus.com/water-systems/oregon/city-of-millersburg-or4101533 (data as of October 1, 2026).