New Mexico Water Quality Report
Tap water quality data for 4 cities in New Mexico, updated 2026.
US average: 100 ppm
1 of 4 cities violation-free
4 cities tested
4 water systems tracked
Cleanest Tap Water in New Mexico
Cities with the fewest water quality issues
Most Water Quality Issues in New Mexico
Cities with the most violations and concerns
Water Hardness Across New Mexico
Not sure what your hardness means? Use our Water Hardness Calculator or find the best hardness test kits.
New Mexico Tap Water: What You Need to Know
New Mexico has 4 tracked water utilities serving approximately 984K residents. The average water hardness is 143 ppm (8.4 GPG), classified as Hard — above the national average of 100 ppm. Hardness ranges from 120 ppm in Rio Rancho to 167.9 ppm in Santa Fe.
In the past 3 years, 3 of 4 cities in New Mexico have recorded water quality violations, totaling 90 violations (37 health-based). All 4 tested cities have lead levels below the EPA action level of 15 ppb.
With hard water on average, many New Mexico residents may notice mineral buildup on fixtures, dry skin, or stiff-feeling hair. A shower filter for hard water can help reduce chlorine exposure, while a water softener addresses the mineral buildup directly.
Frequently Asked Questions About New Mexico Water
Is tap water safe to drink in New Mexico?
Most tap water in New Mexico meets EPA standards, but 3 cities have recorded violations in the past 3 years (37 health-based). We recommend checking your specific city's report on TapWater.org and considering a home water test.
How hard is the water in New Mexico?
New Mexico's average water hardness is 143 ppm (8.4 GPG), classified as Hard. This is above the national average of 100 ppm. Hardness varies significantly by city — use our Water Hardness Calculator to check your specific area.
Which city in New Mexico has the cleanest tap water?
Based on EPA violation data, lead testing, and water quality metrics, Rio Rancho ranks as having the cleanest tap water in New Mexico. It has zero violations in the past 3 years and lead levels well below the EPA action level.
Which city in New Mexico has the most water quality issues?
Albuquerque currently has the most water quality concerns in New Mexico, with 73 violations in the past 3 years. Residents should check their city's detailed water quality report and consider using a certified water filter.
Where does New Mexico get its water from?
The majority of New Mexico's water systems (25%) use surface water as their primary source. Surface water comes from rivers, lakes, and reservoirs. Each city's specific source can vary — check individual city reports for details.
All 4 Cities
Sorted by population served