Community Water System · PWS 063507009
Mescalero Eight Canyon
EPA Region 6 — Tribal Water Systems - 37% of 57 violations are health-based (upper-third health share (> 23%)); groundwater source; 333 served per SDWIS.
- 333
- People served (this PWS)
- 57
- EPA violations (this PWS)
- 21
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Mescalero Eight Canyon standing, mid SDWIS violation third
37% of 57 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 37% is upper-third health share (> 23%).
The verdict
Mescalero Eight Canyon lands in the middle third by violation volume (57), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (333; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 37% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- 57
- Total EPA violations on record
- 37%
- Health-based (MCL / treatment failure)
- 333
- People served by this PWS (SDWIS)
- N/A
- PFAS compounds detected (UCMR5)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 93
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 35
- Treatment Tech Violations
- 19
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 16 | 2016 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 3 | 2010 |
| Nitrate-Nitrite | MR | 3 | 2013 |
| Coliform (TCR) | MCL | 2 | 2002 |
| Coliform (TCR) | MR | 2 | 2002 |
| BHC-GAMMA | MR | 1 | 2009 |
| Methoxychlor | MR | 1 | 2009 |
| Toxaphene | MR | 1 | 2009 |
| Dalapon | MR | 1 | 2009 |
| OXAMYL | MR | 1 | 2009 |
| Simazine | MR | 1 | 2009 |
| Dinoseb | MR | 1 | 2009 |
| Heptachlor | MR | 1 | 2009 |
| Benzo(a)pyrene | MR | 1 | 2009 |
| ETHYLENE DIBROMIDE | MR | 1 | 2009 |
| Chlordane | MR | 1 | 2009 |
| TTHM | MR | 1 | 2008 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2008 |
| Pentachlorophenol | MR | 1 | 2009 |
| Endrin | MR | 1 | 2009 |
| LASSO | MR | 1 | 2009 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2009 |
| Hexachlorocyclopentadiene | MR | 1 | 2009 |
| Diquat | MR | 1 | 2009 |
| Picloram | MR | 1 | 2009 |
| Glyphosate | MR | 1 | 2009 |
| 2,4,5-TP | MR | 1 | 2009 |
| Consumer Confidence Rule | Other | 1 | 2004 |
| Endothall | MR | 1 | 2009 |
| 2,4-D | MR | 1 | 2009 |
Violation Count vs. the National Corpus
Mescalero Eight Canyon has 57 recorded EPA violations, 60% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 40% carry more. 37% of this system's own violations are health-based (21 of 57), and it ranks unranked by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
57 Around the middle fewer violations than 40% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
Health-based violations on Mescalero Eight Canyon
21 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for 063507009.
Sources: EPA SDWIS
Nationwide peers
57 violations · 333 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
What to do with Mescalero Eight Canyon
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in EPA Region 6 — Tribal Water Systems compares on the same EPA violation measures. EPA Region 6 — Tribal Water Systems systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.