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Public water system · OR4100816

Active

Sherwood, City of

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

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

Population served

19,885

Service connections

5,591

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDOR4100816
System typeCommunity water system
Activity statusActive
Population served19,885
Service connections5,591
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyWashington County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2021-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2015-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2014-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Benzo(a)pyrenecode 2306NoResolved
2009-10-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved
2009-07-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved
2000-03-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1999-03-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total 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.

Sherwood, City of: frequently asked questions

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

Sherwood, 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 Sherwood, City of?

Sherwood, City of (PWSID OR4100816) is a local government-owned community water system, regulated by the OR state drinking water program.

How many people does Sherwood, City of serve?

Sherwood, City of reports serving 19,885 people through 5,591 service connections in Washington County, Oregon.

Where does Sherwood, City of get its water?

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

Other water systems in Washington County

Water systemCountyPopulation servedTypeSource
Tualatin Valley Water DistrictWashington224,600CommunityPurchased surface water
Hillsboro, City ofWashington92,632CommunityPurchased surface water
Beaverton, City ofWashington88,045CommunityPurchased surface water
Tigard, City ofWashington62,500CommunityPurchased surface water
Tualatin, City ofWashington28,106CommunityPurchased surface water
Forest Grove, City ofWashington26,838CommunitySurface water

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