WaterVerge

Is Espanolal, NM Tap Water Safe to Drink?

Graded A-, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

3K residents served 1 water system PWSID: 063500166
Overall Score
87 / 100
Violations
9 active
Last Updated
May 2026
Source
Groundwater
#13 of 163 in New Mexico Top 28% nationally
Native American
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
87/100
waterverge.com
A- 87/100

Espanolal, NM — Water Quality Report

Espanolal's drinking water received a grade of A- (87 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,500 residents using groundwater.

Lead levels were measured at 0.5 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 33 violations on record, including 15 health-based violations. 9 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Espanolal's water

Espanolal ranks #13 out of 163 cities in New Mexico for water quality, placing it one of the best in the state.

Espanolal 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, Espanolal may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
87 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.5 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Espanolal, NM water safe to drink?

Concerns Identified

Espanolal's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (87/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,500 residents using groundwater (wells).

9
Active Violations
0.5 ppb
Lead (90th %ile)

Recent water quality updates for Espanolal

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Espanolal's water quality assessment. Grade: A- (87/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater Rule.

Violation
1 drinking water violation recorded

Contaminants: Nitrate-Nitrite.

Violation
5 drinking water violations recorded

5 health-based. Contaminants: Groundwater Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Espanolal's water supply.

Lead Within Limits
Detected: 0.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Espanolal's water system has 33 total violations on record, including 15 health-based violations. 9 remain unresolved.

TTMROtherMCL
Most recent violations:
Sep 2019 Groundwater Rule Open
Jan 2015 Nitrate-Nitrite Resolved
Mar 2011 Groundwater Rule Open
Mar 2011 Groundwater Rule Open
Mar 2011 Groundwater Rule Open

Where does Espanolal's water come from?

Espanolal's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,500 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Espanolal residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Espanolal's water.

Request your utility's CCR

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
0.5 ppb
EPA Action Level: 15 ppb · 3% of limit
Safe Level
Compliance Record

Violation summary

33
Total violations
15
Health-based
9
Active / unresolved
Sep 2019
Most recent violation
Compliance Record

Violations & advisories

33 Total
9 Active
15 Health-based
24 Resolved
Violations by category
Total Coliform Rule
20
Ground Water Rule
6
Consumer Confidence Rule
4
Nitrate Rule
2
Sep 2019 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Mar 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Mar 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Mar 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Mar 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Mar 2011 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2015 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2015
Jan 2011 Resolved
Nitrate-Nitrite
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2011
Sep 2004 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Sep 2004
Jul 2003 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jul 2003
Jun 2002 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Jun 2002
Jul 2000 Resolved
Consumer Confidence Rule
Other Violation Resolved Aug 2000
Dec 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 1999
Nov 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Nov 1999
Oct 1999 Resolved
Consumer Confidence Rule
Other Violation Resolved Jul 2000
Oct 1999 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Oct 1999
Mar 1999 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Mar 1999
Showing 20 of 33 violations

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.5 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 0.5 ppb from 1993 (0.0 ppb) to 2023 (0.5 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Native American
Population Served
2,500
Water Systems
1
Water Source

Where Espanolal's water comes from

Groundwater

Espanolal'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 native american ownership and serves approximately 2,500 people through 1 water system.

Infrastructure

Water systems serving Espanolal

System Name PWSID Population Source
Santa Clara Pueblo 063500166 2,500 GW
Regional Comparison

How Espanolal compares

Full New Mexico rankings →

Espanolal's score of 87/100 is above the average of 44/100 among major New Mexico cities. It outscores 10 of 10 nearby cities.

Espanolal (this city)
87
Las Cruces
40.1
Santa Fe
35.7
Rio Rancho
83.8
Roswell
45.8
New Mexico avg
44
Service Area

ZIP codes served by Espanolal

The water system serving Espanolal covers 1 ZIP code. Select any ZIP to see which water systems serve that area.

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Frequently asked questions

Is Espanolal, NM tap water safe to drink?

Espanolal's water quality earned a grade of A- (87/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #13 out of 163 cities tested in New Mexico.

What contaminants are in Espanolal's water?

Lead was measured at 0.5 ppb (90th percentile). 33 violations are on record.

How is Espanolal'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 Espanolal?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Espanolal's water come from?

Espanolal's water is sourced from Groundwater. The city has 1 water system serving approximately 2,500 residents.

What health violations has Espanolal's water system had?

Espanolal has 15 health-based violations on record. The most recent violation was recorded in September 2019. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

Is Espanolal's groundwater at risk of contamination?

Espanolal 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 33 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 Espanolal's water compare to other cities?

Espanolal ranks #13 out of 163 cities in New Mexico (better than 92% of state cities) and #4328 out of 15744 cities nationally (73th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Espanolal's small water system affect quality?

Espanolal's system serves approximately 2,500 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 33 violations on record.