Skip to content
AquaCensus

Public water system · OR4100253

Active

Dayville, City of

Community water system in Grant County, Oregon, drawing primarily on groundwater.

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

Population served

155

Service connections

108

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4100253
System typeCommunity water system
Activity statusActive
Population served155
Service connections108
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyGrant County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2020-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2012-01-01Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19Coliphagecode 3028NoResolved
2010-12-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2005-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2005-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 031,1,1-Trichloroethanecode 2981NoResolved

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.

Dayville, City of: frequently asked questions

Is Dayville, City of's water safe to drink?

Dayville, City of is an active community water system regulated under the Safe Drinking Water Act, overseen by the OR state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Dayville, City of?

Dayville, City of (PWSID OR4100253) is a local government-owned community water system, regulated by the OR state drinking water program.

How many people does Dayville, City of serve?

Dayville, City of reports serving 155 people through 108 service connections in Grant County, Oregon.

Where does Dayville, City of get its water?

EPA SDWIS lists this system's primary water source as groundwater.

Other water systems in Grant County

Water systemCountyPopulation servedTypeSource
John Day, City ofGrant1,617CommunityGroundwater
Prairie CityGrant841CommunityGroundwater under influence of surface water
Canyon City Water DepartmentGrant666CommunityGroundwater under influence of surface water
Mount Vernon, City ofGrant510CommunityGroundwater
Oprd Clyde Holliday WaysideGrant450Transient non-communityGroundwater
Seneca, City ofGrant200CommunityGroundwater

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.