PlainWater

St Michael Indian School

PWS ID: NN0400380 · St Michaels, Navajo Nation 86511

Population Served
585
Total Violations
1,202
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
38
School/Daycare
Yes
MCL Violations
17
Monitoring Violations
1,110
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 56 2025
Coliform (TCR) MR 38 2014
Public Notice Other 36 2025
TTHM MR 33 2022
Total Haloacetic Acids (HAA5) MR 32 2022
Nitrate MR 23 2024
Nitrite MR 22 2024
Revised Total Coliform Rule RPT 21 2025
Endrin MR 16 2013
BHC-GAMMA MR 16 2013
Methoxychlor MR 16 2013
Toxaphene MR 16 2013
Dalapon MR 16 2013
Diquat MR 16 2013
Endothall MR 16 2013
Glyphosate MR 16 2013
Di(2-ethylhexyl) adipate MR 16 2013
OXAMYL MR 16 2013
Simazine MR 16 2013
Di(2-ethylhexyl) phthalate MR 16 2013
Picloram MR 16 2013
Dinoseb MR 16 2013
Hexachlorocyclopentadiene MR 16 2013
Carbofuran MR 16 2013
Atrazine MR 16 2013
LASSO MR 16 2013
2,3,7,8-TCDD MR 16 2013
Heptachlor MR 16 2013
Heptachlor epoxide MR 16 2013
2,4-D MR 16 2013
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.