WaterVerge

Is Acoma, NM Tap Water Safe to Drink?

Graded B+, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 1 water system PWSID: 063501001
Overall Score
80.9 / 100
Violations
3 active
Last Updated
May 2026
Source
Groundwater
#33 of 163 in New Mexico Top 49% nationally
Native American
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
80.9/100
waterverge.com
B+ 80.9/100

Acoma, NM — Water Quality Report

Acoma's drinking water received a grade of B+ (80.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,374 residents using groundwater.

Lead levels were measured at 0.8 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 61 violations on record, including 10 health-based violations. 3 remain unresolved.

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

What to know about Acoma's water

Acoma ranks #33 out of 163 cities in New Mexico for water quality, placing it above average in the state.

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

The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
80.9 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
28.9/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.8 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Acoma, NM water safe to drink?

Concerns Identified

Acoma's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (80.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,374 residents using groundwater (wells).

3
Active Violations
0.8 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Acoma

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Acoma's water quality assessment. Grade: B+ (80.9/100).

Violation
3 drinking water violations recorded

Contaminants: Combined Uranium, Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Gross Alpha, Excl. Radon and U.

Violation
3 drinking water violations recorded

Contaminants: Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U, Combined Uranium.

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-4047). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.8 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Acoma's water system has 61 total violations on record, including 10 health-based violations. 3 remain unresolved. 7 violations were issued in the last 5 years.

MRMCLMONTTOther
Most recent violations:
Jul 2025 Combined Uranium Resolved
Jul 2025 Gross Alpha, Excl. Radon and U Resolved
Jul 2025 Combined Radium (-226 and -228) Resolved
Jan 2025 Gross Alpha, Excl. Radon and U Resolved
Jan 2023 Combined Radium (-226 and -228) Resolved

Flood & environmental risk

Cibola County has experienced 4 federally declared disasters since 2005. 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-4047
SEVERE STORMS AND FLOODING
Flood FEMA DR-1936

Where does Acoma's water come from?

Acoma's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,374 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Acoma residents can do

Install a water filter

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

Acoma'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
0.8 ppb
EPA Action Level: 15 ppb · 5% of limit
Safe Level
Compliance Record

Violation summary

61
Total violations
10
Health-based
3
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

61 Total
3 Active
10 Health-based
58 Resolved
2 SNC
Violations by category
Total Coliform Rule
18
Radionuclides and Revised Rad Rule
15
Inorganic Chemicals
11
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Nitrate Rule
4
Sep 2017 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2025 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jul 2025 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2025
Jan 2025 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Mar 2025
Jan 2023 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Jan 2023 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Jan 2023 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2023
Jul 2020 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Jul 2020 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2020
Oct 2019 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2020
Oct 2019 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Sep 2020
Oct 2018 Resolved
Gross Alpha, Excl. Radon and U
Max Contaminant Level
Health-Based Health Resolved Dec 2018
Sep 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Sep 2018
Jul 2018 Resolved
Combined Uranium
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2018
Jul 2018 Resolved
Combined Radium (-226 and -228)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2018
Jul 2018 Resolved
Gross Alpha, Excl. Radon and U
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2018
Showing 20 of 61 violations
Environmental Risk

Flood & disaster history

4
Declared disasters
Oct 2013
Most recent
Flood
Most common type

Cibola County has experienced 4 federally declared disasters since 2005. 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
Nov 2011
FLOODING
Flood FEMA #4047
Sep 2010
SEVERE STORMS AND FLOODING
Flood FEMA #1936
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3229

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.8 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 decreased by 3.6 ppb from 1997 (4.4 ppb) to 2021 (0.8 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Native American
Population Served
2,374
Water Systems
1
Water Source

Where Acoma's water comes from

Groundwater

Acoma'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 2,374 people through 1 water system.

Infrastructure

Water systems serving Acoma

System Name PWSID Population Source
Acoma Main 063501001 2,374 GW
Regional Comparison

How Acoma compares

Full New Mexico rankings →

Acoma's score of 80.9/100 is above the average of 44/100 among major New Mexico cities. It outscores 9 of 10 nearby cities.

Acoma (this city)
80.9
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 Acoma

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

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Acoma, NM tap water safe to drink?

Acoma's water quality earned a grade of B+ (80.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #33 out of 163 cities tested in New Mexico.

What contaminants are in Acoma's water?

Lead was measured at 0.8 ppb (90th percentile). 61 violations are on record.

How is Acoma'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 Acoma?

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

Where does Acoma's water come from?

Acoma's water is sourced from Groundwater. The city has 1 water system serving approximately 2,374 residents.

What health violations has Acoma's water system had?

Acoma has 10 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.

Is Acoma's groundwater at risk of contamination?

Acoma 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 61 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 Acoma's water compare to other cities?

Acoma ranks #33 out of 163 cities in New Mexico (better than 80% of state cities) and #7666 out of 15744 cities nationally (51th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Acoma's small water system affect quality?

Acoma's system serves approximately 2,374 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 61 violations on record.