Community Water System · PWS NM3518325
Pecos Water System
Operator location Pecos, New Mexico - 31% of 249 violations are health-based (upper-third health share (> 23%)); groundwater source; 2,133 served per SDWIS.
- 2,133
- People served (this PWS)
- 249
- EPA violations (this PWS)
- 77
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Pecos Water System standing, high SDWIS violation third
31% of 249 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 31% is upper-third health share (> 23%). Population rank #13,073 of 29,740 among systems serving 500+.
The verdict
Pecos Water System sits in the upper third of the sitemap cohort by violation count (249), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,133 (mid served population (≤ 3,309)). Health-based share is 31% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #13,073 of 29,740
- Population · /systems
- #95 of 215
- Population · NM
- 249
- Total EPA violations on record
- 31%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 850
- County
- San Miguel
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 112
- Treatment Tech Violations
- 72
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 66 | 2022 |
| Consumer Confidence Rule | Other | 25 | 2025 |
| TTHM | MR | 23 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 23 | 2020 |
| Revised Total Coliform Rule | MON | 21 | 2022 |
| Lead and Copper Rule | MR | 17 | 2021 |
| Public Notice | Other | 14 | 2022 |
| Chlorine | MR | 9 | 2019 |
| E. COLI | MR | 8 | 2022 |
| Coliform (TCR) | MCL | 5 | 2008 |
| Groundwater Rule | Other | 5 | 2021 |
| Revised Total Coliform Rule | Other | 4 | 2016 |
| Revised Total Coliform Rule | TT | 4 | 2022 |
| Nitrate-Nitrite | MR | 3 | 2005 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Selenium | MR | 1 | 1982 |
| Chromium | MR | 1 | 1982 |
| Arsenic | MR | 1 | 1982 |
| Nitrate | MR | 1 | 1982 |
| Cadmium | MR | 1 | 1982 |
| Fluoride | MR | 1 | 1982 |
| Barium | MR | 1 | 1982 |
| Mercury | MR | 1 | 1982 |
Violation Count vs. the National Corpus
Pecos Water System has 249 recorded EPA violations, 88% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 12% carry more. 31% of this system's own violations are health-based (77 of 249), and it ranks #13,073 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
249 Higher than most more violations than 88% 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 Pecos Water System
77 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for NM3518325.
Sources: EPA SDWIS
Nationwide peers
249 violations · 2,133 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Pecos Water System
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.