WaterVerge

Is Bernalillo, NM Tap Water Safe to Drink?

Graded B+, with 15 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

11K residents served 2 water systems PWSID: NM3508923
Overall Score
82.3 / 100
Violations
15 active
Last Updated
May 2026
Source
Groundwater
#25 of 163 in New Mexico Top 45% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B+GRADE
Water Quality Grade
82.3/100
waterverge.com
B+ 82.3/100

Bernalillo, NM — Water Quality Report

Bernalillo's drinking water received a grade of B+ (82.3 out of 100), indicating good water quality. The city's 2 water systems serve approximately 11,445 residents using groundwater.

Lead levels were measured at 0.9 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 56 violations on record, including 18 health-based violations. 15 remain unresolved.

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

What to know about Bernalillo's water

Bernalillo ranks #25 out of 163 cities in New Mexico for water quality, placing it above average in the state.

Bernalillo 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
82.3 out of 100 Grade B+
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
37.1/45
B
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.9 ppb (90th percentile).
Contaminants
15.2/20
B
1 PFAS compound detected.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Bernalillo, NM water safe to drink?

Concerns Identified

Bernalillo's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 11,445 residents using groundwater (wells).

15
Active Violations
0.9 ppb
Lead (90th %ile)
1 compound
PFAS Detected
5 events
Disaster History

Recent water quality updates for Bernalillo

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Bernalillo's water quality assessment. Grade: B+ (82.3/100).

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
1 drinking water violation recorded

Contaminants: Asbestos.

Violation
1 drinking water violation recorded

Contaminants: Consumer Confidence Rule.

Disaster
SEVERE STORMS, FLOODING, AND MUDSLIDES

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

Key contaminant findings

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

Lead Within Limits
Detected: 0.9 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 537.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Bernalillo's water system has 56 total violations on record, including 18 health-based violations. 15 remain unresolved. 2 violations were issued in the last 5 years.

MROtherTTMCL
Most recent violations:
Jul 2023 TTHM Resolved
Jul 2023 Total Haloacetic Acids (HAA5) Resolved
Jan 2020 Asbestos Resolved
Jul 2019 Consumer Confidence Rule Open
Oct 2018 Consumer Confidence Rule Open

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. Local water sources include Jemez Canyon Res Nr Bernalillo N M, Jemez River Outlet Below Jemez Canyon Dam, North Pino Arroyo Outfall, North Floodway Channel, Rio Grande.

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

Where does Bernalillo's water come from?

Bernalillo's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 11,445 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Jemez Canyon Res Nr Bernalillo N M (lake), Jemez River Outlet Below Jemez Canyon Dam (river), North Pino Arroyo Outfall (stream), North Floodway Channel (river), Rio Grande (river).

What Bernalillo residents can do

Install a water filter

Recommended: Activated carbon or reverse osmosis filter. This addresses the specific contaminants found in Bernalillo'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

Bernalillo'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
0.9 ppb
EPA Action Level: 15 ppb · 6% of limit
Safe Level
lithium
PFAS / Forever Chemical
Near MCL
537.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Above state screening
537.0 µg/L
State screening level: 60 µg/L · +20% over limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

56
Total violations
18
Health-based
15
Active / unresolved
Jul 2023
Most recent violation
Compliance Record

Violations & advisories

56 Total
15 Active
18 Health-based
41 Resolved
Violations by category
Total Coliform Rule
18
Arsenic Rule
13
Consumer Confidence Rule
12
Stage 2 Disinfectants and Disinfection Byproducts Rule
3
Public Notice Rule and Revised PN Rule
3
Jul 2019 Active
Consumer Confidence Rule
Other Violation 0
Oct 2018 Active
Consumer Confidence Rule
Other Violation 0
Oct 2017 Active
Consumer Confidence Rule
Other Violation 0
Sep 2017 Active
Public Notice
Other Violation 0
Oct 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Oct 2013 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2013 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2012 Active
Public Notice
Other Violation 0
Feb 2011 Active
Public Notice
Other Violation 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
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jul 2023 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Jul 2023 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2023
Jan 2020 Resolved
Asbestos
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2022
Jan 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2014
Apr 2013 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Jun 2013
Showing 20 of 56 violations
Industrial pollution

Top industrial polluters within 10 miles of Bernalillo

Industrial polluters nearby

Reported releases to surface water by facilities near Bernalillo, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
RINKER ALBUQUERQUE PIPE
Nonmetallic Mineral Product · QUIKRETE HOLDINGS
BERNALILLO, NM87004
1.3 mi
CTS ELECTRONIC COMPONENTS INC
Computers and Electronic Products · CTS CORP
ALBUQUERQUE, NM87113
9.1 mi
SUMCO PHOENIX-ALBUQUERQUE
Computers and Electronic Products · SUMCO PHOENIX CORP
ALBUQUERQUE, NM87113
8.4 mi
STA TECHNOLOGIES INC
Chemicals · SICPA SECURINK CORP
ALBUQUERQUE, NM87113
8.2 mi
INTEL CORP - RIO RANCHO
Computers and Electronic Products · INTEL CORP
RIO RANCHO, NM87124
8.0 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D3 — extreme drought

Sandoval County is currently in D3 (extreme drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

14
Weeks at D2+ (current streak)
40.1%
Months in D2+ (last 30y)
14
Weeks at D2+ (last 5y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

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 Bernalillo's water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.9 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 537.000 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 0.9 ppb from 1992 (0.0 ppb) to 2024 (0.9 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
11,445
Water Systems
2
Water Source

Where Bernalillo's water comes from

Groundwater

Bernalillo'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 local government ownership and serves approximately 11,445 people through 2 water systems.

Local Hydrology

Water bodies near Bernalillo

Bernalillo is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Jemez Canyon Res Nr Bernalillo N M
lake
Jemez River Outlet Below Jemez Canyon Dam
river
North Pino Arroyo Outfall
stream
North Floodway Channel
river
Rio Grande
river
Infrastructure

Water systems serving Bernalillo

System Name PWSID Population Source
BERNALILLO WATER SYSTEM NM3508923 10,948 GW
Sandia Pueblo 063500114 497 GW
Regional Comparison

How Bernalillo compares

Full New Mexico rankings →

Bernalillo's score of 82.3/100 is above the average of 44/100 among major New Mexico cities. It outscores 9 of 10 nearby cities.

Bernalillo (this city)
82.3
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 Bernalillo

The water systems serving Bernalillo cover 1 ZIP code. Select any ZIP to see which water systems serve that area.

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Frequently asked questions

Is Bernalillo, NM tap water safe to drink?

Bernalillo's water quality earned a grade of B+ (82.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #25 out of 163 cities tested in New Mexico.

What contaminants are in Bernalillo's water?

Lead was measured at 0.9 ppb (90th percentile). 1 PFAS compound was detected. 56 violations are on record.

How is Bernalillo'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 Bernalillo?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Bernalillo's water come from?

Bernalillo's water is sourced from Groundwater. The city has 2 water systems serving approximately 11,445 residents.

What health violations has Bernalillo's water system had?

Bernalillo has 18 health-based violations on record. The most recent violation was recorded in July 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 15 violations remain unresolved.

Is Bernalillo's groundwater at risk of contamination?

Bernalillo 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 56 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 Bernalillo's water compare to other cities?

Bernalillo ranks #25 out of 163 cities in New Mexico (better than 85% of state cities) and #7034 out of 15744 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.