CIRCLE C IMPROVEMENT DISTRICT EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system OR4100861. It does not test household tap water or determine whether water is currently safe to drink.

C

Some recent records

TapScore compliance-history grade

10 EPA violation records from July 1, 2021 through June 30, 2026

System details

PWSID
OR4100861
Population served
150
Water source
Ground Water
Owner type
Local Government
State
Oregon
EPA region
10
All historical records
93
Not marked resolved
4

How to read this grade

Grade C means “Some recent records” under TapScore's published method. It is a comparison of recent EPA compliance records, not an EPA grade, laboratory result, health recommendation, or guarantee of present water quality.

EPA contaminant categories in violation records

EPA categoryClassificationRecords
Coliform (TCR)Health-based record16
Consumer Confidence RuleMonitoring/reporting record6
NitrateMonitoring/reporting record5
TolueneMonitoring/reporting record2
Lead and Copper RuleMonitoring/reporting record2
Gross AlphaMonitoring/reporting record2
ArsenicMonitoring/reporting record2
Radium-226Monitoring/reporting record2
Carbon tetrachlorideMonitoring/reporting record1
CHLOROBENZENEMonitoring/reporting record1
o-DichlorobenzeneMonitoring/reporting record1
Tetrachloroethylene (PCE)Monitoring/reporting record1
Vinyl chlorideMonitoring/reporting record1
2,4-DMonitoring/reporting record1
Benzo(a)pyreneMonitoring/reporting record1
CarbofuranMonitoring/reporting record1
DalaponMonitoring/reporting record1
DiquatMonitoring/reporting record1
ETHYLENE DIBROMIDEMonitoring/reporting record1
Heptachlor epoxideMonitoring/reporting record1

Showing the 20 categories with the most records out of 63 categories in this system's history.

These are compliance records associated with an EPA contaminant code, not current tap-water test results or proof that a substance is presently detected.

Violation history by year

2025
6
2024
3
2023
1
2019
1
2008
1
2003
5
2002
3
1999
2
1998
53
1997
2

Historical counts may include resolved records. For current notices and local sampling results, check the utility's latest Consumer Confidence Report and your state drinking-water agency.

Reported service area

Cities served

ZIP codes served

County: Deschutes