DEER ISLAND WATERWORKS EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system OR4101233. It does not test household tap water or determine whether water is currently safe to drink.

D

Several health-based records

TapScore compliance-history grade

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

3 classified as health-based

System details

PWSID
OR4101233
Population served
90
Water source
Ground Water
Owner type
Private
State
Oregon
EPA region
10
All historical records
167
Not marked resolved
12

How to read this grade

Grade D means “Several health-based 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
Lead and Copper RuleHealth-based record55
Consumer Confidence RuleMonitoring/reporting record11
Coliform (TCR)Monitoring/reporting record6
NitrateMonitoring/reporting record5
Public NoticeMonitoring/reporting record4
ToxapheneMonitoring/reporting record3
CarbofuranMonitoring/reporting record3
Haloacetic Acids (HAA5)Monitoring/reporting record3
Total ColiformMonitoring/reporting record3
1,2-DIBROMO-3-CHLOROPROPANEMonitoring/reporting record2
EndothallMonitoring/reporting record2
HeptachlorMonitoring/reporting record2
MethoxychlorMonitoring/reporting record2
SimazineMonitoring/reporting record2
OXAMYLMonitoring/reporting record2
1,1,1-TrichloroethaneMonitoring/reporting record2
EthylbenzeneMonitoring/reporting record2
Tetrachloroethylene (PCE)Monitoring/reporting record2
TolueneMonitoring/reporting record2
Xylenes, TotalMonitoring/reporting record2

Showing the 20 categories with the most records out of 59 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
2
2025
10
2024
8
2023
14
2022
7
2021
13
2020
4
2019
13
2012
1
2011
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: Columbia