Skip to content
AquaCensus

Public water system · OR4100613

Active

Pendleton, City of

Community water system in Umatilla County, Oregon, drawing primarily on surface water.

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

Population served

16,996

Service connections

6,020

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDOR4100613
System typeCommunity water system
Activity statusActive
Population served16,996
Service connections6,020
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyUmatilla County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2024-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2024-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2024-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2019-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2019-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2018-11-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2018-11-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2018-11-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2015-02-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved

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.

Pendleton, City of: frequently asked questions

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

Pendleton, 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 Pendleton, City of?

Pendleton, City of (PWSID OR4100613) is a local government-owned community water system, regulated by the OR state drinking water program.

How many people does Pendleton, City of serve?

Pendleton, City of reports serving 16,996 people through 6,020 service connections in Umatilla County, Oregon.

Where does Pendleton, City of get its water?

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

Other water systems in Umatilla County

Water systemCountyPopulation servedTypeSource
Hermiston, City ofUmatilla20,000CommunitySurface water
Umatilla, City ofUmatilla8,256CommunityGroundwater
Milton-Freewater, City ofUmatilla7,145CommunityGroundwater
Stanfield, City ofUmatilla2,115CommunityGroundwater
Pilot Rock, City ofUmatilla1,326CommunityGroundwater
Athena, City ofUmatilla1,238CommunityGroundwater

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.