WaterVerge

Is Carrizozo, NM Tap Water Safe to Drink?

Graded D, with 40 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: NM3512614
Overall Score
47 / 100
Violations
40 active
Last Updated
May 2026
Source
Groundwater
#94 of 163 in New Mexico Top 88% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
47/100
waterverge.com
D 47/100

Carrizozo, NM — Water Quality Report

Carrizozo's drinking water received a grade of D (47 out of 100), indicating poor water quality. The city's 1 water system serves approximately 1,758 residents using groundwater.

Lead levels were measured at 2.0 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 109 violations on record, including 20 health-based violations. 40 remain unresolved.

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

What to know about Carrizozo's water

Carrizozo ranks #94 out of 163 cities in New Mexico for water quality, placing it below average in the state.

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

The system has seen 36 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
47 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.0 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 Carrizozo, NM water safe to drink?

Concerns Identified

Carrizozo's drinking water has significant quality concerns based on EPA testing data. With a grade of D (47/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 1,758 residents using groundwater (wells).

40
Active Violations
2.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Carrizozo

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Carrizozo's water quality assessment. Grade: D (47/100).

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Chlorine.

Violation
2 drinking water violations recorded

Contaminants: Public Notice, Consumer Confidence Rule.

Disaster
SEVERE STORMS, FLOODING, AND LANDSLIDES

Federal disaster declaration (FEMA DR-4886). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORMS, FLOODING, AND LANDSLIDES

Federal disaster declaration (FEMA DR-3628). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Key contaminant findings

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

Lead Within Limits
Detected: 2.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Carrizozo's water system has 109 total violations on record, including 20 health-based violations. 40 remain unresolved. 36 violations were issued in the last 5 years.

MONMROtherTTMCL
Most recent violations:
Dec 2025 Revised Total Coliform Rule Resolved
Dec 2025 Chlorine Resolved
Jul 2025 Public Notice Open
Jul 2025 Consumer Confidence Rule Open
May 2025 Public Notice Open

Flood & environmental risk

Lincoln County has experienced 10 federally declared disasters since 1965. 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 LANDSLIDES
Flood FEMA DR-4886
SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA DR-3628
SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4152

Where does Carrizozo's water come from?

Carrizozo's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,758 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Carrizozo residents can do

Install a water filter

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

Carrizozo'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
2.0 ppb
EPA Action Level: 15 ppb · 13% of limit
Safe Level
Compliance Record

Violation summary

109
Total violations
20
Health-based
40
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

109 Total
40 Active
20 Health-based
69 Resolved
2 SNC
Violations by category
Volatile Organic Chemicals
21
Ground Water Rule
15
Inorganic Chemicals
13
Surface Water Treatment Rule
13
Consumer Confidence Rule
10
Jul 2025 Active
Public Notice
Other Violation 0
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
May 2025 Active
Public Notice
Other Violation 0
Feb 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Public Notice
Other Violation 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jun 2024 Active
Groundwater Rule
Other Violation 0
Jun 2024 Active
Public Notice
Other Violation 0
May 2024 Active
Public Notice
Other Violation 0
Oct 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 109 violations
Environmental Risk

Drought conditions

D2 — severe drought

Lincoln County is currently in D2 (severe 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)
36.8%
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

10
Declared disasters
Jul 2025
Most recent
Flood
Most common type

Lincoln County has experienced 10 federally declared disasters since 1965. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2025
SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA #4886
Jul 2025
SEVERE STORMS, FLOODING, AND LANDSLIDES
Flood FEMA #3628
Oct 2013
SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA #4152
Aug 2012
FLOODING
Flood FEMA #4079
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3229
Jan 1985
SEVERE STORMS & FLOODING
Flood FEMA #731

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 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 0.7 ppb from 2007 (1.3 ppb) to 2026 (2.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,758
Water Systems
1
Water Source

Where Carrizozo's water comes from

Groundwater

Carrizozo'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 1,758 people through 1 water system.

Infrastructure

Water systems serving Carrizozo

System Name PWSID Population Source
CARRIZOZO WATER SYSTEM NM3512614 1,758 GW
Regional Comparison

How Carrizozo compares

Full New Mexico rankings →

Carrizozo's score of 47/100 is on par with the average of 44/100 among major New Mexico cities. It outscores 9 of 10 nearby cities.

Carrizozo (this city)
47
Las Cruces
40.1
Santa Fe
35.7
Rio Rancho
83.8
Roswell
45.8
New Mexico avg
44
City Profile

About Carrizozo, NM

Economic Profile
$27,829
Median Income
$582/mo
Median Rent
8.2%
Unemployment
Community
46.7
Median Age
48
People / sq mi
15.4%
College Educated
80.1%
Homeownership
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Frequently asked questions

Is Carrizozo, NM tap water safe to drink?

Carrizozo's water quality earned a grade of D (47/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #94 out of 163 cities tested in New Mexico.

What contaminants are in Carrizozo's water?

Lead was measured at 2.0 ppb (90th percentile). 109 violations are on record.

How is Carrizozo'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 Carrizozo?

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

Where does Carrizozo's water come from?

Carrizozo's water is sourced from Groundwater. The city has 1 water system serving approximately 1,758 residents.

What health violations has Carrizozo's water system had?

Carrizozo has 20 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 40 violations remain unresolved.

Is Carrizozo's groundwater at risk of contamination?

Carrizozo 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 109 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 Carrizozo's water compare to other cities?

Carrizozo ranks #94 out of 163 cities in New Mexico (better than 42% of state cities) and #13758 out of 15744 cities nationally (13th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Carrizozo's small water system affect quality?

Carrizozo's system serves approximately 1,758 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 109 violations on record.