Public water system · OR4195540
ActivePge Timothy Lake (North Arm)
At a glance
Pge Timothy Lake (North Arm) (PWSID OR4195540) is an active transient non-community water system in Clackamas County, Oregon. It reports serving 75 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in September 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
75
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Pge Timothy Lake (North Arm) compare with other water systems in Clackamas County?
By EPA's size categories, Pge Timothy Lake (North Arm) is a very small system (500 people or fewer). Clackamas County has 241 active public water systems. Its population served is well below the county average of 1,602 people per system, and accounts for less than 0.1% 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 transient non-community water system reports serving 144 people, so Pge Timothy Lake (North Arm) is about half of that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Oregon has 1,250 active transient non-community water systems, 49% 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 Pge Timothy Lake (North Arm)?
EPA lists Pge Timothy Lake (North Arm) 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. 155 of the 241 active systems in Clackamas County (64%) are also privately owned.
Does Pge Timothy Lake (North Arm) have drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in September 2024. The violations listed here began between May 2016 and September 2024. By type: 2 required treatment not met and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 3 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-09-29 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2021-10-03 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2017-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
All 4 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.
Pge Timothy Lake (North Arm): frequently asked questions
Who runs Pge Timothy Lake (North Arm)?
Pge Timothy Lake (North Arm) (PWSID OR4195540) is a transient non-community water system privately owned. It is regulated by the OR state drinking water program.
How many people does Pge Timothy Lake (North Arm) serve?
Pge Timothy Lake (North Arm) reports serving 75 people through 1 service connection in Clackamas County, Oregon.
Where does Pge Timothy Lake (North Arm) 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 Pge Timothy Lake (North Arm) have any drinking water violations?
EPA's records list 4 violations for this system; 2 are health-based, and the most recent began in September 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 Pge Timothy Lake (North Arm)'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 4 violations for this system; 2 are health-based, and the most recent began in September 2024. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Pge Timothy Lake (North Arm)'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pge Timothy Lake (North Arm) is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Clackamas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sunrise Water Authority | Clackamas | 50,003 | Community | Purchased surface water |
| 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 |
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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, “Pge Timothy Lake (North Arm), PWSID OR4195540, Oregon”, https://aquacensus.com/water-systems/oregon/pge-timothy-lake-north-arm-or4195540 (data as of October 1, 2026).