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Public water system · OR4194593

Active

Cascade Union Jr/Sr High Sd 5

At a glance

Cascade Union Jr/Sr High Sd 5 (PWSID OR4194593) is an active non-transient non-community water system in Marion County, Oregon. It reports serving 1,300 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2018.

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

Population served

1,300

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDOR4194593
System typeNon-transient non-community water system
Activity statusActive
Population served1,300
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyMarion County

How does Cascade Union Jr/Sr High Sd 5 compare with other water systems in Marion County?

By EPA's size categories, Cascade Union Jr/Sr High Sd 5 is a small system (501 to 3,300 people). Marion County has 192 active public water systems. Its population served is about 32% below the county average of 1,921 people per system, and accounts for 0.4% of the 368,811 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Cascade Union Jr/Sr High Sd 5 is about 3 times that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Oregon has 346 active non-transient non-community water systems, 14% 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 Cascade Union Jr/Sr High Sd 5?

EPA lists Cascade Union Jr/Sr High Sd 5 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. 42 of the 192 active systems in Marion County (22%) are also owned by a local government.

Does Cascade Union Jr/Sr High Sd 5 have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2018. The violations listed here began between October 2011 and October 2018. By type: 5 monitoring and reporting, 4 contaminant level above the legal limit, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 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.

BeganViolationContaminant or ruleHealth-basedStatus
2018-10-20Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2018-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2015-05-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2015-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2014-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2012-12-28Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2012-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2012-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-12-23Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2011-12-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2011-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Cascade Union Jr/Sr High Sd 5: frequently asked questions

Who runs Cascade Union Jr/Sr High Sd 5?

Cascade Union Jr/Sr High Sd 5 (PWSID OR4194593) is a non-transient non-community water system owned by a local government. It is regulated by the OR state drinking water program.

How many people does Cascade Union Jr/Sr High Sd 5 serve?

Cascade Union Jr/Sr High Sd 5 reports serving 1,300 people through 1 service connection in Marion County, Oregon.

Where does Cascade Union Jr/Sr High Sd 5 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 Cascade Union Jr/Sr High Sd 5 have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in October 2018. 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 Cascade Union Jr/Sr High Sd 5'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, 4 are health-based, and the most recent began in October 2018. For current results, consult EPA ECHO, or the OR state drinking water program.

Where can I find Cascade Union Jr/Sr High Sd 5's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cascade Union Jr/Sr High Sd 5 is a non-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 Marion County

Water systemCountyPopulation servedTypeSource
Salem Public WorksMarion199,820CommunitySurface water
Keizer, City ofMarion38,585CommunityGroundwater
Woodburn, City ofMarion29,455CommunityGroundwater
Suburban East Salem WdMarion13,900CommunityPurchased surface water
Silverton, City ofMarion10,484CommunitySurface water
City of StaytonMarion8,400CommunitySurface 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, “Cascade Union Jr/Sr High Sd 5, PWSID OR4194593, Oregon”, https://aquacensus.com/water-systems/oregon/cascade-union-jr-sr-high-sd-5-or4194593 (data as of October 1, 2026).