TWIN PEAKS EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system AK2227539. It does not test household tap water or determine whether water is currently safe to drink.

C

Some recent records

TapScore compliance-history grade

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

System details

PWSID
AK2227539
Population served
37
Water source
Ground Water
Owner type
Private
State
Alaska
EPA region
10
All historical records
82
Not marked resolved
30

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
Surface Water Treatment RuleMonitoring/reporting record9
Coliform (TCR)Health-based record6
Consumer Confidence RuleMonitoring/reporting record4
ChlorineMonitoring/reporting record4
ArsenicMonitoring/reporting record3
Groundwater RuleHealth-based record3
CadmiumMonitoring/reporting record2
ThalliumMonitoring/reporting record2
ChromiumHealth-based record2
FluorideMonitoring/reporting record2
BariumMonitoring/reporting record2
Tetrachloroethylene (PCE)Monitoring/reporting record2
1,1,1-TrichloroethaneMonitoring/reporting record2
ChloramineMonitoring/reporting record2
BenzeneMonitoring/reporting record2
1,2-DichloroethaneMonitoring/reporting record2
Gross AlphaMonitoring/reporting record2
1,1-DichloroethyleneMonitoring/reporting record2
Carbon tetrachlorideMonitoring/reporting record2
NitrateMonitoring/reporting record2

Showing the 20 categories with the most records out of 41 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
2
2024
2
2022
22
2021
1
2020
3
2019
2
2018
1
2017
1
2016
4
2015
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: Matanuska-Susitna Borough