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Public water system · OR4194679

Active

Usfs Riley Cg (Middle) Hp #2

At a glance

Usfs Riley Cg (Middle) Hp #2 (PWSID OR4194679) is an active transient non-community water system in Clackamas County, Oregon. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

30

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOR4194679
System typeTransient non-community water system
Activity statusActive
Population served30
Service connections1
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyClackamas County

How does Usfs Riley Cg (Middle) Hp #2 compare with other water systems in Clackamas County?

By EPA's size categories, Usfs Riley Cg (Middle) Hp #2 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 Usfs Riley Cg (Middle) Hp #2 is well below 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 Usfs Riley Cg (Middle) Hp #2?

EPA lists Usfs Riley Cg (Middle) Hp #2 as owned by the federal 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. 22 of the 241 active systems in Clackamas County (9.1%) are also owned by the federal government.

Does Usfs Riley Cg (Middle) Hp #2 have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 2025. The violations listed here began between July 1993 and September 2025. By type: 6 monitoring and 6 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2023-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2021-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2000-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1997-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1996-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1993-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Usfs Riley Cg (Middle) Hp #2: frequently asked questions

Who runs Usfs Riley Cg (Middle) Hp #2?

Usfs Riley Cg (Middle) Hp #2 (PWSID OR4194679) is a transient non-community water system owned by the federal government. It is regulated by the OR state drinking water program.

How many people does Usfs Riley Cg (Middle) Hp #2 serve?

Usfs Riley Cg (Middle) Hp #2 reports serving 30 people through 1 service connection in Clackamas County, Oregon.

Where does Usfs Riley Cg (Middle) Hp #2 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 Usfs Riley Cg (Middle) Hp #2 have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in September 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 Usfs Riley Cg (Middle) Hp #2'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, none is health-based, and the most recent began in September 2025. For current results, consult EPA ECHO, or the OR state drinking water program.

Where can I find Usfs Riley Cg (Middle) Hp #2's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Usfs Riley Cg (Middle) Hp #2 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 systemCountyPopulation servedTypeSource
Sunrise Water AuthorityClackamas50,003CommunityPurchased surface water
Lake Oswego Municipal WaterClackamas40,000CommunityPurchased surface water
Oregon CityClackamas33,940CommunityPurchased surface water
Oak Lodge Water ServicesClackamas30,000CommunityPurchased surface water
Clackamas River WaterClackamas29,918CommunitySurface water
West Linn, City ofClackamas28,000CommunityPurchased 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, “Usfs Riley Cg (Middle) Hp #2, PWSID OR4194679, Oregon”, https://aquacensus.com/water-systems/oregon/usfs-riley-cg-middle-hp-2-or4194679 (data as of October 1, 2026).