Is Mesilla Park, NM Tap Water Safe to Drink?
Graded B+, with 11 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
80.5/100
waterverge.com Mesilla Park, NM — Water Quality Report
Mesilla Park's drinking water received a grade of B+ (80.5 out of 100), indicating good water quality. The city's 2 water systems serve approximately 549 residents using groundwater.
Lead levels were measured at 1.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 39 violations on record, including 4 health-based violations. 11 remain unresolved.
What to know about Mesilla Park's water
Mesilla Park ranks #35 out of 163 cities in New Mexico for water quality, placing it above average in the state.
Mesilla Park relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Mesilla Park may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Mesilla Park, NM water safe to drink?
Mesilla Park's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 549 residents using groundwater (wells).
Recent water quality updates for Mesilla Park
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Mesilla Park's water quality assessment. Grade: B+ (80.5/100).
Contaminants: Lead and Copper Rule.
1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Groundwater Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Mesilla Park's water supply.
Well within EPA limits.
Violation history
Mesilla Park's water system has 39 total violations on record, including 4 health-based violations. 11 remain unresolved. 4 violations were issued in the last 5 years.
Where does Mesilla Park's water come from?
Mesilla Park's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 549 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Mesilla Park residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Mesilla Park's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Mesilla Park compares by contaminant
Explore where Mesilla Park ranks among all New Mexico cities for specific contaminants.
Water source & infrastructure
Where Mesilla Park's water comes from
Mesilla Park's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by private ownership and serves approximately 549 people through 2 water systems.
Water systems serving Mesilla Park
| System Name | PWSID | Population | Source |
|---|---|---|---|
| DOVE CANYON LLC | NM3576207 | 393 | GW |
| SONTERA ACRES MOBILE MANOR | NM3540407 | 156 | GW |
How Mesilla Park compares
Full New Mexico rankings →Mesilla Park's score of 80.5/100 is above the average of 44/100 among major New Mexico cities. It outscores 9 of 10 nearby cities.
Nearby cities
View New Mexico rankings →Learn more about your water
Guides and resources related to Mesilla Park's water quality findings.
Explore water quality across Dona Ana
Frequently asked questions
Is Mesilla Park, NM tap water safe to drink?
Mesilla Park's water quality earned a grade of B+ (80.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #35 out of 163 cities tested in New Mexico.
What contaminants are in Mesilla Park's water?
Lead was measured at 1.0 ppb (90th percentile). 39 violations are on record.
How is Mesilla Park's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Mesilla Park?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Mesilla Park's water come from?
Mesilla Park's water is sourced from Groundwater. The city has 2 water systems serving approximately 549 residents.
What health violations has Mesilla Park's water system had?
Mesilla Park has 4 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.
Is Mesilla Park's groundwater at risk of contamination?
Mesilla Park uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 39 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Mesilla Park's water compare to other cities?
Mesilla Park ranks #35 out of 163 cities in New Mexico (better than 79% of state cities) and #7860 out of 15744 cities nationally (50th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.