TapScore USA

MAPLETON WATER DISTRICT EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system OR4100507. 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

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

3 classified as health-based

System details

PWSID
OR4100507
Population served
600
Water source
Surface Water
Owner type
Local Government
State
Oregon
EPA region
10
All historical records
196
Not marked resolved
13

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
Surface Water Treatment RuleHealth-based record84
Interim Enhanced Surface Water Treatment RuleMonitoring/reporting record20
Lead and Copper RuleHealth-based record15
Coliform (TCR)Monitoring/reporting record7
Total Trihalomethanes (TTHMs)Monitoring/reporting record3
Revised Total Coliform RuleMonitoring/reporting record3
Haloacetic Acids (HAA5)Monitoring/reporting record3
EthylbenzeneMonitoring/reporting record2
TolueneMonitoring/reporting record2
CHLOROBENZENEMonitoring/reporting record2
1,1,2-TrichloroethaneMonitoring/reporting record2
1,2-DichloroethaneMonitoring/reporting record2
Vinyl chlorideMonitoring/reporting record2
o-DichlorobenzeneMonitoring/reporting record2
Vinyl ChlorideMonitoring/reporting record2
1,2,4-TrichlorobenzeneMonitoring/reporting record2
Trichloroethylene (TCE)Monitoring/reporting record2
trans-1,2-DichloroethyleneMonitoring/reporting record2
Carbon tetrachlorideMonitoring/reporting record2
ChloramineMonitoring/reporting record2

Showing the 20 categories with the most records out of 43 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
7
2024
11
2023
12
2022
29
2021
9
2020
15
2019
1
2018
3
2017
1
2016
30

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

MAPLETON

ZIP codes served

97453

County: Lane