Question 1

Is Second Mesa Day School - BIA water safe to drink?

Accepted Answer

Second Mesa Day School - BIA (PWS ID: 090400057) has 177 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. EPA SDWIS lists this system's service population as 366 people using Groundwater sources.

Question 2

How many people does Second Mesa Day School - BIA serve?

Accepted Answer

EPA SDWIS reports that Second Mesa Day School - BIA serves 366 people (this public water system's service population, not the municipal population of Second Mesa or any other city). It is a Federal-owned system using Groundwater water sources with 17 service connections. The operator address is listed in Second Mesa, EPA Region 9 — Tribal Water Systems.

Question 3

What type of violations does Second Mesa Day School - BIA have?

Accepted Answer

Second Mesa Day School - BIA has 177 total violations: 34 health-based violations (MCL exceedances or treatment failures), 120 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 Second Mesa Day School - BIA water?

Accepted Answer

No PFAS testing data is available for Second Mesa Day School - BIA under the EPA's UCMR5 monitoring program.

Question 5

What water source does Second Mesa Day School - BIA use?

Accepted Answer

Second Mesa Day 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 Second Mesa Day School - BIA's violation count compare nationally?

Accepted Answer

Second Mesa Day School - BIA has 177 recorded EPA SDWIS violations, fewer than 16% of the 29,740 public water systems serving 500 or more people nationwide (the same sitemap cohort used for the corpus-placement ranking above). 84% of that cohort has fewer violations than Second Mesa Day 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
Arsenic	MCL	33	2025
Public Notice	Other	9	2025
Coliform (TCR)	MR	8	2014
Arsenic	MR	6	2020
Chlorine	MR	4	2025
Nitrate	MR	3	2024
Revised Total Coliform Rule	MON	3	2024
Endrin	MR	2	2011
BHC-GAMMA	MR	2	2011
Dalapon	MR	2	2011
Diquat	MR	2	2011
Endothall	MR	2	2011
Glyphosate	MR	2	2011
Di(2-ethylhexyl) adipate	MR	2	2011
OXAMYL	MR	2	2011
Di(2-ethylhexyl) phthalate	MR	2	2011
Simazine	MR	2	2011
Hexachlorocyclopentadiene	MR	2	2011
Carbofuran	MR	2	2011
LASSO	MR	2	2011
2,3,7,8-TCDD	MR	2	2011
Heptachlor	MR	2	2011
Heptachlor epoxide	MR	2	2011
2,4-D	MR	2	2011
2,4,5-TP	MR	2	2011
HEXACHLOROBENZENE	MR	2	2011
Benzo(a)pyrene	MR	2	2011
Pentachlorophenol	MR	2	2011
1,2-DIBROMO-3-CHLOROPROPANE	MR	2	2011
ETHYLENE DIBROMIDE	MR	2	2011

Second Mesa Day School - BIA

Second Mesa Day School - BIA standing, high SDWIS violation third

System Details

Violation History

Violation Count vs. the National Corpus

Population served record for Second Mesa Day School - BIA

Nationwide peers

Cross-state systems with comparable violation load