TOO'GHA INC - IN TANANA EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system AK2360109. It does not test household tap water or determine whether water is currently safe to drink.

F

Frequent health-based records

TapScore compliance-history grade

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

9 classified as health-based

System details

PWSID
AK2360109
Population served
271
Water source
Surface Water
Owner type
Native American
State
Alaska
EPA region
10
All historical records
415
Not marked resolved
44

How to read this grade

Grade F means “Frequent 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 record72
Interim Enhanced Surface Water Treatment RuleHealth-based record53
Coliform (TCR)Monitoring/reporting record22
ChlorineMonitoring/reporting record21
BenzeneMonitoring/reporting record12
Haloacetic Acids (HAA5)Monitoring/reporting record10
Revised Total Coliform RuleMonitoring/reporting record10
Lead and Copper RuleMonitoring/reporting record9
Total Trihalomethanes (TTHMs)Monitoring/reporting record8
ETHYLENE DIBROMIDEMonitoring/reporting record7
Heptachlor epoxideMonitoring/reporting record6
2,4-DMonitoring/reporting record6
AtrazineMonitoring/reporting record6
Carbon tetrachlorideMonitoring/reporting record5
CHLOROBENZENEMonitoring/reporting record5
TetrachloroethyleneMonitoring/reporting record5
Vinyl ChlorideMonitoring/reporting record5
1,1-DichloroethyleneMonitoring/reporting record5
ChloramineMonitoring/reporting record5
PentachlorophenolMonitoring/reporting record5

Showing the 20 categories with the most records out of 68 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
24
2024
31
2023
42
2022
18
2021
33
2020
8
2019
4
2018
1
2016
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: Yukon-Koyukuk Census Area