Question 1

Is Low Mountain Boarding School BIA water safe to drink?

Accepted Answer

Low Mountain Boarding School BIA (PWS ID: NN0435006) has 163 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 339 people using Groundwater sources.

Question 2

How many people does Low Mountain Boarding School BIA serve?

Accepted Answer

EPA SDWIS reports that Low Mountain Boarding School BIA serves 339 people (this public water system's service population, not the municipal population of Pinon or any other city). It is a Federal-owned system using Groundwater water sources with 20 service connections. The operator address is listed in Pinon, Navajo Nation.

Question 3

What type of violations does Low Mountain Boarding School BIA have?

Accepted Answer

Low Mountain Boarding School BIA has 163 total violations: 0 health-based violations (MCL exceedances or treatment failures), 142 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Question 4

Has PFAS been detected in Low Mountain Boarding School BIA water?

Accepted Answer

No PFAS testing data is available for Low Mountain Boarding School BIA under the EPA's UCMR5 monitoring program.

Question 5

What water source does Low Mountain Boarding School BIA use?

Accepted Answer

Low Mountain Boarding School BIA uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Question 6

Where does this data come from?

Accepted Answer

All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Question 7

How does Low Mountain Boarding School BIA's violation count compare nationally?

Accepted Answer

Low Mountain Boarding School BIA has 163 recorded EPA SDWIS violations, fewer than 18% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 82% of that cohort has fewer violations than Low Mountain Boarding School BIA. A system can have zero recorded violations and still be actively monitored, and a high violation count often reflects a system that reports thoroughly, not necessarily one with worse water.

Contaminant	Category	Count	Latest
Coliform (TCR)	MR	8	2013
Revised Total Coliform Rule	RPT	7	2023
Total Haloacetic Acids (HAA5)	MR	6	2022
Consumer Confidence Rule	Other	5	2021
TTHM	MR	4	2022
Nitrate	MR	2	2010
Endrin	MR	2	2008
Methoxychlor	MR	2	2008
Toxaphene	MR	2	2008
Dalapon	MR	2	2008
Diquat	MR	2	2008
Endothall	MR	2	2008
Glyphosate	MR	2	2008
Di(2-ethylhexyl) adipate	MR	2	2008
OXAMYL	MR	2	2008
Simazine	MR	2	2008
Picloram	MR	2	2008
Dinoseb	MR	2	2008
Hexachlorocyclopentadiene	MR	2	2008
Atrazine	MR	2	2008
LASSO	MR	2	2008
2,3,7,8-TCDD	MR	2	2008
Heptachlor	MR	2	2008
Heptachlor epoxide	MR	2	2008
2,4-D	MR	2	2008
2,4,5-TP	MR	2	2008
HEXACHLOROBENZENE	MR	2	2008
Benzo(a)pyrene	MR	2	2008
Pentachlorophenol	MR	2	2008
1,2,4-Trichlorobenzene	MR	2	2008

Low Mountain Boarding School BIA

Low Mountain Boarding School BIA standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Health-based violations on Low Mountain Boarding School BIA

Nationwide peers

Cross-state systems with comparable violation load