Skip to content
AquaCensus

Public water system · OR4193694

Active

Alston Corners-Assembly of God

At a glance

Alston Corners-Assembly of God (PWSID OR4193694) is an active transient non-community water system in Columbia County, Oregon. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023.

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

Population served

100

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDOR4193694
System typeTransient non-community water system
Activity statusActive
Population served100
Service connections1
Primary water sourceGroundwater
Owner typePublic/private partnership
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyColumbia County

How does Alston Corners-Assembly of God compare with other water systems in Columbia County?

By EPA's size categories, Alston Corners-Assembly of God is a very small system (500 people or fewer). Columbia County has 57 active public water systems. Its population served is well below the county average of 705 people per system, and accounts for 0.2% of the 40,191 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 Alston Corners-Assembly of God is about 31% 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 Alston Corners-Assembly of God?

EPA lists Alston Corners-Assembly of God as under public/private ownership. 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. 1 of the 57 active systems in Columbia County (1.8%) are also under public/private ownership.

Does Alston Corners-Assembly of God have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2023. The violations listed here began between October 1995 and January 2023. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 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
2023-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2010-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2004-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2001-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2000-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-10-01Monitoring 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.

Alston Corners-Assembly of God: frequently asked questions

Who runs Alston Corners-Assembly of God?

Alston Corners-Assembly of God (PWSID OR4193694) is a transient non-community water system under public/private ownership. It is regulated by the OR state drinking water program.

How many people does Alston Corners-Assembly of God serve?

Alston Corners-Assembly of God reports serving 100 people through 1 service connection in Columbia County, Oregon.

Where does Alston Corners-Assembly of God 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 Alston Corners-Assembly of God 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 January 2023. 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 Alston Corners-Assembly of God'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 January 2023. For current results, consult EPA ECHO, or the OR state drinking water program.

Where can I find Alston Corners-Assembly of God's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Alston Corners-Assembly of God 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 Columbia County

Water systemCountyPopulation servedTypeSource
St Helens, City ofColumbia13,410CommunityGroundwater under influence of surface water
Scappoose, City ofColumbia8,710CommunitySurface water
Mcnulty Water PUDColumbia2,500CommunityGroundwater
Clatskanie, City ofColumbia2,188CommunitySurface water
Vernonia, City ofColumbia2,100CommunitySurface water
Warren Water AssociationColumbia2,050CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Alston Corners-Assembly of God, PWSID OR4193694, Oregon”, https://aquacensus.com/water-systems/oregon/alston-corners-assembly-of-god-or4193694 (data as of October 1, 2026).