Santa Fe Water System (city Of)
EPA ID: NM3505126 · 90,810 people served · 11 ZIP codes
Per EPA records, Santa Fe Water System (city Of): 7 unresolved violations, 90,810 people in service area.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 1 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Santa Fe Water System (city Of) Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Santa Fe Water System (city Of) serves a community with a median household income of $81,229 and an estimated 133,507 residents across its service area. Approximately 45% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Santa Fe Water System (city Of)'s water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Santa Fe County, New Mexico rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Santa Fe Water System (city Of) compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 9 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 8 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
Comparable Water Systems
Similar-sized systems in New Mexico
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Santa Fe Water System (city Of) (EPA ID: NM3505126) is a community water system in New Mexico that serves approximately 90,810 people from surface water sources.
This system provides water to 11 ZIP codes across 1 community.
Average Home Safety Score: D (47/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Surface Water Treatment Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Unresolved |
| October 2, 2024 | Contaminant 0700 | Health-based | Unresolved |
| October 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 9 | No |
| Stage 2 DBP Rule | Treatment Failure | 8 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 3 | No |
| Lead and Copper Rule | Treatment Failure | 1 | No |
| Contaminant 0700 | Other Violation | 1 | Yes |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 87501 | 0.0013 mg/L | No | N/A |
| 87502 | 0.0013 mg/L | No | N/A |
| 87503 | 0.0013 mg/L | No | N/A |
| 87504 | 0.0013 mg/L | No | N/A |
| 87505 | 0.0013 mg/L | No | N/A |
| 87506 | 0.0013 mg/L | No | N/A |
| 87507 | 0.0013 mg/L | No | N/A |
| 87509 | 0.0013 mg/L | No | N/A |
| 87592 | 0.0013 mg/L | No | N/A |
| 87594 | 0.0013 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: 4 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 7 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
- 87501 — Santa Fe
- 87502 — Santa Fe
- 87503 — Santa Fe
- 87504 — Santa Fe
- 87505 — Santa Fe
- 87506 — Santa Fe
- 87507 — Santa Fe
- 87508 — Santa Fe
- 87509 — Santa Fe
- 87592 — Santa Fe
- 87594 — Santa Fe
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Santa Fe Water System (city Of) (NM3505126) on EPA.gov.
Frequently Asked Questions
Is Santa Fe Water System (city Of) water safe to drink?
Santa Fe Water System (city Of) has recorded 5 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Santa Fe Water System (city Of) serve?
Santa Fe Water System (city Of) serves approximately 90,810 people across 11 ZIP codes in New Mexico.
Where does Santa Fe Water System (city Of) get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Santa Fe Water System (city Of) (EPA ID: NM3505126) — request the latest Consumer Confidence Report or ask about specific contaminants.