WaterVerge

Is Zia Pueblo, NM Tap Water Safe to Drink?

Graded B+ — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

771 residents served 1 water system PWSID: 063500123
Overall Score
80 / 100
Violations
9 active
Last Updated
May 2026
Source
Groundwater
#36 of 163 in New Mexico Top 51% nationally
Native American
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
80/100
waterverge.com
B+ 80/100

Zia Pueblo, NM — Water Quality Report

Zia Pueblo's drinking water received a grade of B+ (80 out of 100), indicating good water quality. The city's 1 water system serves approximately 771 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 41 violations on record, including 12 health-based violations. 9 remain unresolved.

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

What to know about Zia Pueblo's water

Zia Pueblo ranks #36 out of 163 cities in New Mexico for water quality, placing it above average in the state.

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

Quality Breakdown

Water quality score

See methodology →
80 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
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 Zia Pueblo, NM water safe to drink?

Concerns Identified

Zia Pueblo's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 771 residents using groundwater (wells).

9
Active Violations
0.5 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Zia Pueblo

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Zia Pueblo's water quality assessment. Grade: B+ (80/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Arsenic.

Violation
2 drinking water violations recorded

Contaminants: Total Haloacetic Acids (HAA5), TTHM.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS, FLOODING, AND MUDSLIDES

Federal disaster declaration (FEMA DR-4152). Flood event — may have impacted local water infrastructure.

Disaster
FLOODING

Federal disaster declaration (FEMA DR-4079). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

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

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.59 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Zia Pueblo's water system has 41 total violations on record, including 12 health-based violations. 9 remain unresolved. 1 violation was issued in the last 5 years.

MCLMRMONTTOther
Most recent violations:
Apr 2025 Arsenic Resolved
Oct 2017 Total Haloacetic Acids (HAA5) Resolved
Oct 2017 TTHM Resolved
Dec 2016 Revised Total Coliform Rule Resolved
Apr 2016 Coliform (TCR) Resolved

Flood & environmental risk

Sandoval County has experienced 5 federally declared disasters since 1973. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.

SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4152
FLOODING
Flood FEMA DR-4079
FLOODING
Flood FEMA DR-4047

Where does Zia Pueblo's water come from?

Zia Pueblo's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 771 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Zia Pueblo residents can do

Install a water filter

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

Monitor alerts during storms

Zia Pueblo's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

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
Copper (90th percentile)
Inorganic
Over Limit
1.59 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

41
Total violations
12
Health-based
9
Active / unresolved
Apr 2025
Most recent violation
Compliance Record

Violations & advisories

41 Total
9 Active
12 Health-based
32 Resolved
2 SNC
Violations by category
Total Coliform Rule
20
Ground Water Rule
5
Consumer Confidence Rule
5
Arsenic Rule
4
Stage 2 Disinfectants and Disinfection Byproducts Rule
2
Oct 2010 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2010 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2010 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2010 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2010 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2005 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Apr 2025 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2025
Oct 2017 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2018
Oct 2017 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2018
Dec 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Dec 2016
Apr 2016 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Apr 2016
Apr 2016 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2016
Apr 2015 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2015
Jan 2015 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2015
May 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved May 2011
May 2011 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved May 2011
Apr 2011 Resolved
Coliform (TCR)
Max Contaminant Level
Health-Based Health Resolved Apr 2011
Showing 20 of 41 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Oct 2013
Most recent
Flood
Most common type

Sandoval County has experienced 5 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2013
SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #4152
Aug 2012
FLOODING
Flood FEMA #4079
Nov 2011
FLOODING
Flood FEMA #4047
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3229
May 1973
SEVERE STORMS, SNOW MELT & FLOODING
Flood FEMA #380

Recommended water filters

Based on contaminants detected in Zia Pueblo's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.5 15 ppb Inorganic Safe
Copper (90th percentile) 1.59 1.3 mg/L Inorganic Over Limit
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 1994 (0.0 ppb) to 2022 (0.5 ppb).

Copper level (90th percentile)

Latest reading: 1.592 mg/L (2001)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Native American
Population Served
771
Water Systems
1
Water Source

Where Zia Pueblo's water comes from

Groundwater

Zia Pueblo'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 771 people through 1 water system.

Infrastructure

Water systems serving Zia Pueblo

System Name PWSID Population Source
Zia Pueblo 063500123 771 GW
Regional Comparison

How Zia Pueblo compares

Full New Mexico rankings →

Zia Pueblo's score of 80/100 is above the average of 44/100 among major New Mexico cities. It outscores 9 of 10 nearby cities.

Zia Pueblo (this city)
80
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 Zia Pueblo

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

City Profile

About Zia Pueblo, NM

Wikipedia →

Zia Pueblo is a census-designated place (CDP) in Sandoval County, New Mexico, United States. The population was 646 at the 2000 census, with 310 males and 336 females. The pueblo after which the CDP is named is included within the CDP; it is listed on the National Register of Historic Places.

Economic Profile
$55,724
Median Income
10%
Unemployment
Community
29.8
Median Age
13
People / sq mi
5.2%
College Educated
72.9%
Homeownership
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Frequently asked questions

Is Zia Pueblo, NM tap water safe to drink?

Zia Pueblo's water quality earned a grade of B+ (80/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #36 out of 163 cities tested in New Mexico.

What contaminants are in Zia Pueblo's water?

Lead was measured at 0.5 ppb (90th percentile). 41 violations are on record.

How is Zia Pueblo'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 Zia Pueblo?

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

Where does Zia Pueblo's water come from?

Zia Pueblo's water is sourced from Groundwater. The city has 1 water system serving approximately 771 residents.

What health violations has Zia Pueblo's water system had?

Zia Pueblo has 12 health-based violations on record. The most recent violation was recorded in April 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 9 violations remain unresolved.

Is Zia Pueblo's groundwater at risk of contamination?

Zia Pueblo 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 41 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 Zia Pueblo's water compare to other cities?

Zia Pueblo ranks #36 out of 163 cities in New Mexico (better than 78% of state cities) and #8071 out of 15744 cities nationally (49th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Zia Pueblo's small water system affect quality?

Zia Pueblo's system serves approximately 771 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 41 violations on record.