Eastern Navajo Agency - BIE EPA Drinking Water Compliance Record

TapScore summarizes EPA Safe Drinking Water Information System records for public water system 093534001. 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

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

6 classified as health-based

System details

PWSID
093534001
Population served
455
Water source
Ground Water
Owner type
Federal
State
Connecticut
EPA region
9
All historical records
103
Not marked resolved
11

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
Gross Beta Particle ActivityMonitoring/reporting record13
Consumer Confidence RuleMonitoring/reporting record6
Groundwater RuleHealth-based record5
Coliform (TCR)Monitoring/reporting record3
Gross AlphaMonitoring/reporting record3
UraniumMonitoring/reporting record3
NitrateMonitoring/reporting record2
EndothallMonitoring/reporting record2
PicloramMonitoring/reporting record2
DinosebMonitoring/reporting record2
CarbofuranMonitoring/reporting record2
PentachlorophenolMonitoring/reporting record2
Total Polychlorinated Biphenyls (PCB)Monitoring/reporting record2
Lead and Copper RuleMonitoring/reporting record2
GlyphosateMonitoring/reporting record2
OXAMYLMonitoring/reporting record2
2,4-DMonitoring/reporting record2
DiquatMonitoring/reporting record2
2,4,5-TPMonitoring/reporting record2
DalaponMonitoring/reporting record2

Showing the 20 categories with the most records out of 61 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
5
2025
2
2024
5
2023
1
2021
1
2017
1
2015
1
2013
2
2012
1
2011
3

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

ZIP codes served