Transient Non-Community Water System · PWS NM3590130
Gran Quivira - Salinas Pueblo Missions
Operator location Mountainair, New Mexico - 27% of 67 violations are health-based (upper-third health share (> 23%)); groundwater source; 50 served per SDWIS.
- 50
- People served (this PWS)
- 67
- EPA violations (this PWS)
- 18
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Gran Quivira - Salinas Pueblo Missions standing, mid SDWIS violation third
27% of 67 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 27% is upper-third health share (> 23%).
The verdict
Gran Quivira - Salinas Pueblo Missions lands in the middle third by violation volume (67), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is smaller (50; smaller served population (≤ 999)), so each violation row represents a compact service footprint. Health-based share is 27% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- 67
- Total EPA violations on record
- 27%
- Health-based (MCL / treatment failure)
- 50
- 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
- Transient Non-Community
- Owner Type
- Federal
- Connections
- 4
- County
- Torrance
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 35
- Treatment Tech Violations
- 18
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 22 | 2021 |
| Groundwater Rule | TT | 18 | 2014 |
| Nitrate-Nitrite | MR | 10 | 2017 |
| Public Notice | Other | 10 | 2022 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Nitrate | MR | 3 | 2001 |
Violation Count vs. the National Corpus
Gran Quivira - Salinas Pueblo Missions has 67 recorded EPA violations, 64% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 36% carry more. 27% of this system's own violations are health-based (18 of 67), 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)
67 Around the middle fewer violations than 36% 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 Gran Quivira - Salinas Pueblo Missions
18 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for NM3590130.
Sources: EPA SDWIS
Nationwide peers
67 violations · 50 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 Gran Quivira - Salinas Pueblo Missions
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in New Mexico compares on the same EPA violation measures. New Mexico 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.