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Public water system · OR4100861

Active

Circle C Improvement District

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

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

Population served

150

Service connections

75

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4100861
System typeCommunity water system
Activity statusActive
Population served150
Service connections75
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyDeschutes County

Violations & enforcement

BeganViolationContaminant or ruleHealth-basedStatus
2026-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2025-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2024-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2024-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2020-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2008-08-01Contaminant 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.

Circle C Improvement District: frequently asked questions

Is Circle C Improvement District's water safe to drink?

Circle C Improvement District 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, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.

Who runs Circle C Improvement District?

Circle C Improvement District (PWSID OR4100861) is a local government-owned community water system, regulated by the OR state drinking water program.

How many people does Circle C Improvement District serve?

Circle C Improvement District reports serving 150 people through 75 service connections in Deschutes County, Oregon.

Where does Circle C Improvement District get its water?

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

Other water systems in Deschutes County

Water systemCountyPopulation servedTypeSource
Bend, City ofDeschutes77,704CommunitySurface water
Redmond Water DepartmentDeschutes37,566CommunityGroundwater
Avion Wc - Greater AvionDeschutes35,332CommunityGroundwater
Roats Water SystemDeschutes6,469CommunityGroundwater
Sunriver Water LLC/Sunriver UtilitiesDeschutes4,300CommunityGroundwater
Sisters, City ofDeschutes3,778CommunityGroundwater

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