Santa Fe Water System (city Of)
Santa Fe, New Mexico · PWSID: NM3505126
Santa Fe Water Quality Summary
Santa Fe Water System (city Of) supplies drinking water to about 90,810 people in Santa Fe, New Mexico, and draws from surface water (rivers, lakes, or reservoirs), which requires fuller treatment for runoff, sediment, and microbial risk. On the IsWaterSafe scale it earns a poor Water Safety Score of 68 out of 100 (Grade D), a composite of its EPA SDWIS violation and contaminant record.
EPA records show 1 health-based violation for this system plus 2 monitoring violations. A health-based violation means a contaminant exceeded its legal EPA limit, the most serious category in the Safe Drinking Water Act. The system has 28 enforcement actions on file in response.
Across the 2 substances sampled, none exceeded its EPA limit. Chlorine sits highest relative to its ceiling, detected at 2 ppm against an MCL of 4 ppm (sampled June 2019) — within the legal limit.
The most recent documented episode is a health-based violation involving Combined Filter Effluent, beginning October 2024 and marked resolved April 2025.
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Detected Contaminants
| Contaminant | Detected Level | MCL (Limit) | Status | Sample Date |
|---|---|---|---|---|
| Chlorine | 2 ppm | 4 ppm | Within Limit | Jun 1, 2019 |
| Combined Filter Effluent | 0.5 NTU | 1 NTU | Within Limit | Oct 1, 2024 |
Violation History
Frequently Asked Questions
Santa Fe Water System (city Of) has a Water Safety Score of D (68/100). The system serves 90,810 people and has 1 health violation on record. Check the contaminant table above for specific detected substances.
Santa Fe Water System (city Of) has 0 contaminant exceedances above EPA health guidelines. See the full contaminant detection table above for all tested substances and their levels relative to legal limits and health guidelines.
The Water Safety Score (0-100, grades A through F) is based on contaminant levels relative to legal limits, health guideline exceedances, violation history, and enforcement actions. Higher scores indicate fewer concerns.
If your water system has violations, request the Consumer Confidence Report from your utility, consider getting an independent water test from a certified lab, and look into certified water filters for specific contaminants of concern. For lead, run cold water for 30 seconds before drinking.
Water quality data sourced from EPA's Safe Drinking Water Information System (SDWIS). Safety scores are calculated based on contaminant levels, violations, and enforcement history. This is not a substitute for your utility's official Consumer Confidence Report.
Source: EPA Ground Water and Drinking Water, 2026.