New Mexico Water Quality Brief
State: New Mexico (NM) Grade: D | Score: 62/100 | National Average: 67/100 (Grade: D) Data as of: 2026-04-30 | Brief generated: 2026-04-30
Key Findings
- New Mexico earned a water quality grade of D with an average score of 62/100 — 5 points below the national average.
- ZipCheckup recorded 13,426 total violations across 428 ZIP codes, including 1,299 health-based violations.
- The worst ZIP code in the state (87419) scored only 25/100, while the best (88033) scored 88/100 — a gap of 63 points.
Worst 5 ZIP Codes
| ZIP | City | County | Score | Grade | Violations |
|---|---|---|---|---|---|
| 87419 | Navajo Dam | San Juan | 25/100 | F | 71 |
| 87581 | Vallecitos | Rio Arriba | 29/100 | F | 14 |
| 87747 | Springer | Colfax | 33/100 | F | 119 |
| 87729 | Miami | Colfax | 33/100 | F | 30 |
| 87714 | Cimarron | Colfax | 33/100 | F | 72 |
County Breakdown (Worst 3)
| County | Avg Score | Grade | ZIP Count | Worst ZIP |
|---|---|---|---|---|
| Bernalillo | 39/100 | F | 46 | 87199 (Albuquerque, 33/100) |
| Colfax | 46/100 | D | 8 | 87747 (Springer, 33/100) |
| Santa Fe | 50/100 | D | 23 | 87083 (Cochiti Lake, 40/100) |
Violation Summary
| Category | Count |
|---|---|
| Total violations | 13,426 |
| Health-based violations | 1,299 |
| Monitoring/Reporting violations | 12,127 |
| ZIP codes analyzed | 428 |
| Health violations per ZIP (avg) | 3.0 |
Top health-based violation categories:
- Contaminant 0700 (545 violations across 205 ZIP codes)
- Stage 2 DBP Rule (638 violations across 165 ZIP codes)
- Consumer Confidence Report Rule (3,833 violations across 158 ZIP codes)
PFAS Contamination Status
- PFAS detected in 15 of 428 ZIP codes analyzed (4%).
- 6 ZIP codes with federal PFAS exceedances.
- State has enacted its own PFAS MCLs (stricter than federal standards).
Comparison to National Average
| Metric | NM | National |
|---|---|---|
| Avg Score | 62/100 | 67/100 |
| Grade | D | D |
| Health violations / ZIP | 3.0 | — |
About This Data
Data: ZipCheckup.com | Sources: EPA SDWIS, FEMA, CDC, Census | License: CC BY 4.0
Press contact: [email protected] General contact: [email protected] State page: https://zipcheckup.com/states/new-mexico/
ZipCheckup.com analyzes drinking water quality, flood risk, lead exposure, and other home safety factors for every US ZIP code using data from 50+ federal sources.