Lead In Drinking Water In New Mexico
What residents of New Mexico need to know about lead in drinking water — including how it enters water, which utilities have documented violations, and what steps to take.
Source: EPA SDWIS, New Mexico Environment Department (NMED), CDC · Last reviewed: 2025-01-01
Quick Answer
Is lead in drinking water a real concern in New Mexico?
Yes — Albuquerque, Santa Fe, and Las Cruces have older neighborhoods with pre-1986 housing. New Mexico's many small rural water systems often have limited compliance capacity.
Is this mostly a public-water issue, a private-well issue, or both?
Primarily household plumbing and service connections in pre-1986 homes; New Mexico's many small rural community water systems have aging infrastructure in some cases.
What is the main reason residents should care?
New Mexico's older urban neighborhoods — particularly Santa Fe's historic district and older Albuquerque neighborhoods — have pre-1940 construction. The state also has a large number of small public water systems serving rural communities, many with limited resources to address Lead and Copper Rule compliance requirements.
Key Facts
| Federal Lead Action Level | 15 µg/L — no safe level per CDC |
| Santa Fe context | One of the oldest cities in the US — older plumbing in historic buildings may predate lead ban |
| Small system challenge | 700+ public water systems statewide, many small with limited LCRR compliance capacity |
| Federal MCLG | Zero |
| State oversight | New Mexico Environment Department (NMED) |
Why This Matters in New Mexico
Santa Fe is one of the oldest continuously inhabited cities in the United States, with a concentration of historic adobe and older-construction housing. While adobe construction itself does not contribute to lead exposure, the plumbing systems in these older Santa Fe buildings often date to pre-1986 construction with lead solder and older fixtures. Albuquerque's older South Valley and North Valley neighborhoods have pre-1940 housing. New Mexico has more than 700 public water systems, many serving very small rural communities. These small systems often lack the resources to meet all Lead and Copper Rule Revision compliance requirements. NMED is the state primacy agency for drinking water oversight.
New Mexico Utilities With Lead Violation Records
The utilities listed below have at least one lead violation on record in EPA's SDWIS database. Violations may be open or resolved — see individual utility pages for current status and risk level.
Las Cruces Municipal Water System
Las Cruces · 98,175 served
Santa Fe Water System (city Of)
Santa Fe · 90,810 served
Roswell Municipal Water System
Roswell · 54,025 served
University of New Mexico
Albuquerque · 35,000 served
Los Alamos Municipal Water System
Los Alamos · 25,000 served
New Mexico State University
Las Cruces · 24,000 served
Gallup Water System
Gallup · 20,880 served
Camino Real Regional Utility Authority
Sunland Park · 19,466 served
Los Lunas Water System
Los Lunas · 19,400 served
Dona Ana Mdwca
Dona Ana · 17,067 served
How Lead Gets Into Drinking Water
Lead service lines
The pipe connecting a home to the water main may be made of lead, especially in pre-1986 construction. Water sitting in these lines can accumulate lead before it reaches the tap.
Lead solder
Lead solder at pipe joints was banned for potable water systems in 1986. Homes built before that date — including significant portions of older New Mexico cities — may still have lead solder throughout their plumbing.
Older brass fixtures
Faucets, valves, and fixtures with high lead content were common before the 2014 revision of 'lead-free' standards. Replacing older fixtures at kitchen and drinking taps can meaningfully reduce exposure.
Corrosive water chemistry
Soft, acidic, or low-alkalinity water dissolves lead from plumbing more readily. Utilities use orthophosphate and other corrosion control treatments, but household plumbing after the meter is not within their control.
Who Should Pay Closest Attention
Families with young children in Santa Fe's historic older neighborhoods and Albuquerque's older South Valley, and residents of smaller rural New Mexico communities served by small water systems, should check their utility's compliance history and consider certified filtration.
Families with children under six
Pregnant residents
Households in homes built before 1986
Renters who cannot inspect building plumbing
Residents on a confirmed lead service line
Households that had plumbing work done recently (disturbances dislodge protective scale)
How to Check Your Situation in New Mexico
- 1
Identify your water utility. Use the ZIP lookup below or browse the New Mexico utility directory on this site.
- 2
Read your utility's page on this site to see its current risk level and any open lead violations.
- 3
Contact your utility and ask for your address-level service line material status. Under the federal Lead and Copper Rule Revisions (LCRR), utilities must maintain and provide this information.
- 4
Review your utility's most recent Consumer Confidence Report (CCR) — mailed annually or available on the utility's website.
- 5
Consider testing your tap water at a New Mexico Environment Department (NMED)-certified lab. Your state health department or New Mexico Environment Department (NMED) maintains a list of certified labs.
- 6
If you have young children or are pregnant, install a certified NSF/ANSI 53 or 58 filter at the kitchen tap as a precautionary measure.
Treatment Options
Boiling does not remove lead. Use a certified filter for drinking and cooking water.
NSF/ANSI Standard 53 — Activated Carbon Block
Under-sink or pitcher filters certified to Standard 53 are independently verified to reduce lead. Replace filters on the manufacturer's schedule — an overdue filter may not perform as certified.
NSF/ANSI Standard 58 — Reverse Osmosis
RO systems certified to Standard 58 remove 95–99% of lead and a broad range of contaminants. Requires under-sink installation. More comprehensive than Standard 53 for households with multiple contaminant concerns.
Flushing — temporary mitigation only
EPA recommends flushing the cold tap for 30 seconds to 2 minutes if water has sat in pipes for 6+ hours. Not a substitute for certified filtration or service line replacement.
Frequently Asked Questions
Related Pages
Lead — National Overview
All U.S. utilities with lead records
New Mexico State Overview
All utilities and water quality data
Nitrate in Drinking Water
A separate but common concern
Reverse Osmosis Guide
Removes 95–99% of lead
Activated Carbon Filter Guide
NSF/ANSI 53 certified options
All Contaminants
Complete reference library
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.
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New Mexico Environment Department (NMED) ↗