TapScore USA

MOUNTAIN AIR WATER ASSOC EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system OR4100144. It does not test household tap water or determine whether water is currently safe to drink.

C

Some recent records

TapScore compliance-history grade

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

System details

PWSID
OR4100144
Population served
170
Water source
Ground Water
Owner type
Private
State
Oregon
EPA region
10
All historical records
160
Not marked resolved
55

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 record11
Xylenes, TotalMonitoring/reporting record6
o-DichlorobenzeneMonitoring/reporting record6
1,1-DichloroethyleneMonitoring/reporting record6
1,2-DichloroethaneMonitoring/reporting record6
1,1,1-TrichloroethaneMonitoring/reporting record6
Carbon tetrachlorideMonitoring/reporting record6
ChloramineMonitoring/reporting record6
1,1,2-TrichloroethaneMonitoring/reporting record6
TetrachloroethyleneMonitoring/reporting record6
CHLOROBENZENEMonitoring/reporting record6
BenzeneMonitoring/reporting record6
TolueneMonitoring/reporting record6
StyreneMonitoring/reporting record6
Vinyl ChlorideMonitoring/reporting record6
Trichloroethylene (TCE)Monitoring/reporting record6
Tetrachloroethylene (PCE)Monitoring/reporting record6
Vinyl chlorideMonitoring/reporting record6
EthylbenzeneMonitoring/reporting record6
trans-1,2-DichloroethyleneMonitoring/reporting record6

Showing the 20 categories with the most records out of 31 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

2024
5
2023
1
2022
42
2020
2
2019
1
2016
6
2015
1
2010
42
2009
2
2008
1

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

SANDY

ZIP codes served

97055

County: Clackamas