TapScore

UNALAKLEET CITY WATER SUPPLY Water Quality Report

Population

757

people served

Water Source

🏔️ Ground

wells & aquifers

National Rank

—

of 49,184 US systems

5-Year Record

⚠️ 412

violations recorded

F

Unsafe

Safety Grade

412 violations in the past 5 years, including 174 health-based

System Details

PWSID
AK2340387
Population Served
757
Water Source
Ground Water
Owner
Native American
State
Alaska
EPA Region
10

Contaminants of Concern

ContaminantStatusViolations
Contaminant 0800⚠ Monitoring/Reporting1
Contaminant 7000⚠ Monitoring/Reporting14
Contaminant 5000✕ Health-Based16
Contaminant 0600⚠ Monitoring/Reporting1
Contaminant 0300✕ Health-Based288
Contaminant 0200✕ Health-Based138
Contaminant 2378⚠ Monitoring/Reporting2
Vinyl Chloride⚠ Monitoring/Reporting2
Contaminant 2955⚠ Monitoring/Reporting2
Trichloroethylene (TCE)⚠ Monitoring/Reporting2
Contaminant 2968⚠ Monitoring/Reporting2
Tetrachloroethylene (PCE)⚠ Monitoring/Reporting2
Contaminant 2976⚠ Monitoring/Reporting2
Contaminant 2977⚠ Monitoring/Reporting2
Contaminant 2979⚠ Monitoring/Reporting2
Contaminant 2980⚠ Monitoring/Reporting2
Contaminant 2981⚠ Monitoring/Reporting2
Contaminant 2982⚠ Monitoring/Reporting2
Contaminant 2983⚠ Monitoring/Reporting2
Chloramine⚠ Monitoring/Reporting2
Contaminant 2985⚠ Monitoring/Reporting2
Contaminant 2987⚠ Monitoring/Reporting2
Contaminant 2989⚠ Monitoring/Reporting2
Contaminant 2990⚠ Monitoring/Reporting2
Contaminant 2991⚠ Monitoring/Reporting2
Contaminant 2992⚠ Monitoring/Reporting2
Contaminant 2996⚠ Monitoring/Reporting2
Haloacetic Acids (HAA5)⚠ Monitoring/Reporting17
Contaminant 8000✕ Health-Based63
Contaminant 0999⚠ Monitoring/Reporting49
Total Trihalomethanes (TTHMs)⚠ Monitoring/Reporting15

Violation History

2025
4
2024
31
2023
92
2022
195
2021
90
2020
50
2019
22
2018
34
2017
22
2016
22

Total violations on record: 646

Service Area

Cities Served

UNALAKLEET

ZIP Codes Served

99684

Recommended Water Filters

Based on contaminants detected in this water system:

Activated Carbon Filter

Effective for chlorine, THMs, pesticides, and taste/odor improvement

Removes: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5), Trichloroethylene (TCE), Tetrachloroethylene (PCE), Vinyl Chloride

$20–$100

How does this compare?

This systemNational average
Grade F
Avg: B-C
646violations total

2307% of national average

National avg: ~28 per system

🏘️ Small community water system.