TapScore

SELDOVIA WATER SYSTEM Water Quality Report

Population

418

people served

Water Source

🌊 Surface

rivers, lakes, reservoirs

National Rank

Top 94%

of 49,184 US systems

5-Year Record

⚠️ 48

violations recorded

D

Poor

Safety Grade

48 violations in the past 5 years, including 5 health-based

System Details

PWSID
AK2240707
Population Served
418
Water Source
Surface Water
Owner
Native American
State
Alaska
EPA Region
10

Contaminants of Concern

ContaminantStatusViolations
Contaminant 3100⚠ Monitoring/Reporting11
Contaminant 7000⚠ Monitoring/Reporting3
Contaminant 0999⚠ Monitoring/Reporting19
Contaminant 0200✕ Health-Based74
Contaminant 5000⚠ Monitoring/Reporting5
Contaminant 7500⚠ Monitoring/Reporting1
Total Trihalomethanes (TTHMs)⚠ Monitoring/Reporting9
Haloacetic Acids (HAA5)⚠ Monitoring/Reporting9
Contaminant 8000⚠ Monitoring/Reporting29
Contaminant 0300✕ Health-Based16
Nitrate⚠ Monitoring/Reporting2
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

Violation History

2025
2
2024
18
2021
28
2020
15
2019
29
2018
41
2017
53
2016
6
2015
1
2014
4

Total violations on record: 220

Service Area

Cities Served

SELDOVIA

ZIP Codes Served

99663

Recommended Water Filters

Based on contaminants detected in this water system:

Reverse Osmosis System

Removes up to 99% of contaminants including PFAS, lead, arsenic, and nitrates

Removes: Nitrate

$150–$400

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 D
Avg: B-C
220violations total

786% of national average

National avg: ~28 per system

🏘️ Small community water system.