WaterVerge

Is El Prado, NM Tap Water Safe to Drink?

Graded D, with 95 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 4 water systems PWSID: NM3515029
Overall Score
45 / 100
Violations
95 active
Last Updated
May 2026
Source
Groundwater
#107 of 163 in New Mexico Top 91% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
45/100
waterverge.com
D 45/100

El Prado, NM — Water Quality Report

El Prado's drinking water received a grade of D (45 out of 100), indicating poor water quality. The city's 4 water systems serve approximately 1,277 residents using groundwater.

Lead levels were measured at 0.0 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 159 violations on record, including 39 health-based violations. 95 remain unresolved.

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

What to know about El Prado's water

El Prado ranks #107 out of 163 cities in New Mexico for water quality, placing it below average in the state.

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

The system has seen 21 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
45 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 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is El Prado, NM water safe to drink?

Concerns Identified

El Prado's drinking water has significant quality concerns based on EPA testing data. With a grade of D (45/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,277 residents using groundwater (wells).

95
Active Violations
0.0 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for El Prado

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into El Prado's water quality assessment. Grade: D (45/100).

Violation
2 drinking water violations recorded

Contaminants: Consumer Confidence Rule, Lead and Copper Rule.

Violation
8 drinking water violations recorded

3 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS, Consumer Confidence Rule, Lead and Copper Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Groundwater 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 El Prado's water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

El Prado's water system has 159 total violations on record, including 39 health-based violations. 95 remain unresolved. 21 violations were issued in the last 5 years.

OtherMRRPTTTMONMCL
Most recent violations:
Jul 2025 Consumer Confidence Rule Open
Jul 2025 Lead and Copper Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Flood & environmental risk

Taos County has experienced 4 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 Rio Hondo, Rio Pueblo De Taos, Rio Lucero, Rio Grande Del Rancho, Rio Pueblo De Taos Below Los Cordovas.

SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4152
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3229
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA DR-589

Where does El Prado's water come from?

El Prado's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 1,277 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Rio Hondo (river), Rio Pueblo De Taos (river), Rio Lucero (river), Rio Grande Del Rancho (river), Rio Pueblo De Taos Below Los Cordovas (river).

What El Prado residents can do

Install a water filter

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

El Prado'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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Compliance Record

Violation summary

159
Total violations
39
Health-based
95
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

159 Total
95 Active
39 Health-based
64 Resolved
1 SNC
Violations by category
Consumer Confidence Rule
36
Total Coliform Rule
31
Ground Water Rule
27
Public Notice Rule and Revised PN Rule
16
Revised Total Coliform Rule
11
Jul 2025 Active
Consumer Confidence Rule
Other Violation 0
Jul 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 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
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
Oct 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2024 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Jan 2024 Active
Groundwater Rule
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jun 2022 Active
Public Notice
Other Violation 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Jul 2021 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 159 violations
Environmental Risk

Drought conditions

D3 — extreme drought

Taos 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)
33.2%
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

4
Declared disasters
Oct 2013
Most recent
Flood
Most common type

Taos County has experienced 4 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
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3229
Jun 1979
SEVERE STORMS, SNOWMELT & FLOODING
Flood FEMA #589
May 1973
SEVERE STORMS, SNOW MELT & FLOODING
Flood FEMA #380

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 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 decreased by 3.0 ppb from 2005 (3.0 ppb) to 2024 (0.0 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,277
Water Systems
4
Water Source

Where El Prado's water comes from

Groundwater

El Prado'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 1,277 people through 4 water systems.

Local Hydrology

Water bodies near El Prado

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

Rio Hondo
river
Rio Pueblo De Taos
river
Rio Lucero
river
Rio Grande Del Rancho
river
Rio Pueblo De Taos Below Los Cordovas
river
Infrastructure

Water systems serving El Prado

System Name PWSID Population Source
EL PRADO WATER & SANITATION DISTRICT NM3515029 1,076 GW
SANCHEZ MOBILE HOME PARK NM3500529 80 GW
EL RANCHO MHP TAOS NM3500629 72 GW
LAS COLONIAS MHP NM3510429 49 GW
Regional Comparison

How El Prado compares

Full New Mexico rankings →

El Prado's score of 45/100 is on par with the average of 44/100 among major New Mexico cities. It outscores 8 of 10 nearby cities.

El Prado (this city)
45
Las Cruces
40.1
Santa Fe
35.7
Rio Rancho
83.8
Roswell
45.8
New Mexico avg
44
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Frequently asked questions

Is El Prado, NM tap water safe to drink?

El Prado's water quality earned a grade of D (45/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #107 out of 163 cities tested in New Mexico.

What contaminants are in El Prado's water?

Lead was measured at 0.0 ppb (90th percentile). 159 violations are on record.

How is El Prado'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 El Prado?

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

Where does El Prado's water come from?

El Prado's water is sourced from Groundwater. The city has 4 water systems serving approximately 1,277 residents.

What health violations has El Prado's water system had?

El Prado has 39 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. 95 violations remain unresolved.

Is El Prado's groundwater at risk of contamination?

El Prado 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 159 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 El Prado's water compare to other cities?

El Prado ranks #107 out of 163 cities in New Mexico (better than 34% of state cities) and #14288 out of 15744 cities nationally (9th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.