HARBOR HILLS COMMUNITY WATER SYSTEM EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system WA5333860. It does not test household tap water or determine whether water is currently safe to drink.

C

Some recent records

TapScore compliance-history grade

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

System details

PWSID
WA5333860
Population served
1,373
Water source
Ground Water
Owner type
Local Government
State
Washington
EPA region
10
All historical records
162
Not marked resolved
47

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 record9
1,2,4-TrichlorobenzeneMonitoring/reporting record5
Vinyl ChlorideMonitoring/reporting record5
Trichloroethylene (TCE)Monitoring/reporting record5
Vinyl chlorideMonitoring/reporting record5
1,1-DichloroethyleneMonitoring/reporting record5
1,2-DichloroethaneMonitoring/reporting record5
1,1,1-TrichloroethaneMonitoring/reporting record5
1,2-DichloropropaneMonitoring/reporting record5
TetrachloroethyleneMonitoring/reporting record5
CHLOROBENZENEMonitoring/reporting record5
BenzeneMonitoring/reporting record5
StyreneMonitoring/reporting record5
o-DichlorobenzeneMonitoring/reporting record5
Tetrachloroethylene (PCE)Monitoring/reporting record5
trans-1,2-DichloroethyleneMonitoring/reporting record5
Carbon tetrachlorideMonitoring/reporting record5
ChloramineMonitoring/reporting record5
EthylbenzeneMonitoring/reporting record5
1,1,2-TrichloroethaneMonitoring/reporting record5

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

2026
1
2025
2
2022
2
2015
2
2014
2
2013
2
2011
1
2010
1
2007
20
2006
110

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: Island