WaterVerge

Is Estancia, NM Tap Water Safe to Drink?

Graded F, with 55 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 2 water systems PWSID: NM3524030
Overall Score
42 / 100
Violations
55 active
Last Updated
May 2026
Source
Groundwater
#135 of 163 in New Mexico Top 95% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
42/100
waterverge.com
F 42/100

Estancia, NM — Water Quality Report

Estancia's drinking water received a grade of F (42 out of 100), indicating failing water quality. The city's 2 water systems serve approximately 1,423 residents using groundwater.

Lead levels were measured at 2.1 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 91 violations on record, including 21 health-based violations. 55 remain unresolved.

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

What to know about Estancia's water

Estancia ranks #135 out of 163 cities in New Mexico for water quality, placing it among the lowest-rated in the state.

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

The system has seen 43 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
42 out of 100 Grade F
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 2.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
0/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Estancia, NM water safe to drink?

Concerns Identified

Estancia's drinking water has significant quality concerns based on EPA testing data. With a grade of F (42/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,423 residents using groundwater (wells).

55
Active Violations
2.1 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Estancia

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Estancia's water quality assessment. Grade: F (42/100).

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
3 drinking water violations recorded

3 health-based. Contaminants: Groundwater Rule.

Violation
5 drinking water violations recorded

2 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS, Consumer Confidence Rule.

Disaster
SEVERE STORMS, FLOODING, AND MUDSLIDES

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

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3229). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 2.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Estancia's water system has 91 total violations on record, including 21 health-based violations. 55 remain unresolved. 43 violations were issued in the last 5 years.

OtherTTRPTMRMONMCL
Most recent violations:
Apr 2025 Public Notice Open
Feb 2025 Groundwater Rule Open
Feb 2025 Groundwater Rule Open
Feb 2025 Groundwater Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Torrance County has experienced 3 federally declared disasters since 1985. 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
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3229
SEVERE STORMS & FLOODING
Flood FEMA DR-731

Where does Estancia's water come from?

Estancia's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,423 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.

What Estancia residents can do

Install a water filter

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

Estancia'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
2.1 ppb
EPA Action Level: 15 ppb · 14% of limit
Safe Level
Compliance Record

Violation summary

91
Total violations
21
Health-based
55
Active / unresolved
Apr 2025
Most recent violation
Compliance Record

Violations & advisories

91 Total
55 Active
21 Health-based
36 Resolved
2 SNC
Violations by category
Consumer Confidence Rule
22
Ground Water Rule
16
Public Notice Rule and Revised PN Rule
14
Revised Total Coliform Rule
11
Total Coliform Rule
9
Apr 2025 Active
Public Notice
Other Violation 0
Feb 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Feb 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Feb 2025 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Oct 2023 Active
Consumer Confidence Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Nov 2022 Active
Public Notice
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Aug 2022 Active
Public Notice
Other Violation 0
Jul 2022 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2022 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2022 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2022 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jul 2022 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Showing 20 of 91 violations
Environmental Risk

Drought conditions

D2 — severe drought

Torrance 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.

6
Weeks at D2+ (current streak)
31.8%
Months in D2+ (last 30y)
6
Weeks at D2+ (last 5y)

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

Environmental Risk

Flood & disaster history

3
Declared disasters
Oct 2013
Most recent
Flood
Most common type

Torrance County has experienced 3 federally declared disasters since 1985. 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
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) 2.1 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 1.0 ppb from 2006 (4.0 ppb) to 2023 (3.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,423
Water Systems
2
Water Source

Where Estancia's water comes from

Groundwater

Estancia'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 1,423 people through 2 water systems.

Infrastructure

Water systems serving Estancia

System Name PWSID Population Source
ESTANCIA WATER SYSTEM NM3524030 1,355 GW
CARLOS LUCERO SUBDIVISION NM3500930 68 GW
Regional Comparison

How Estancia compares

Full New Mexico rankings →

Estancia's score of 42/100 is on par with the average of 44/100 among major New Mexico cities. It outscores 7 of 10 nearby cities.

Estancia (this city)
42
Las Cruces
40.1
Santa Fe
35.7
Rio Rancho
83.8
Roswell
45.8
New Mexico avg
44
City Profile

About Estancia, NM

Economic Profile
$32,286
Median Income
$743/mo
Median Rent
34.9%
Unemployment
Community
43.8
Median Age
100
People / sq mi
16.3%
College Educated
70.1%
Homeownership
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Frequently asked questions

Is Estancia, NM tap water safe to drink?

Estancia's water quality earned a grade of F (42/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #135 out of 163 cities tested in New Mexico.

What contaminants are in Estancia's water?

Lead was measured at 2.1 ppb (90th percentile). 91 violations are on record.

How is Estancia'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 Estancia?

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

Where does Estancia's water come from?

Estancia's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,423 residents.

What health violations has Estancia's water system had?

Estancia has 21 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. 55 violations remain unresolved.

Is Estancia's groundwater at risk of contamination?

Estancia 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 91 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 Estancia's water compare to other cities?

Estancia ranks #135 out of 163 cities in New Mexico (better than 17% of state cities) and #14909 out of 15744 cities nationally (5th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.