WaterVerge

Is Polvadera, NM Tap Water Safe to Drink?

Graded B-, with 21 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: NM3566628
Overall Score
71.9 / 100
Violations
21 active
Last Updated
May 2026
Source
Groundwater
#46 of 163 in New Mexico Top 67% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
71.9/100
waterverge.com
B- 71.9/100

Polvadera, NM — Water Quality Report

Polvadera's drinking water received a grade of B- (71.9 out of 100), indicating fair water quality. The city's 1 water system serves approximately 2,470 residents using groundwater.

Lead levels were measured at 1.4 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 210 violations on record, including 7 health-based violations. 21 remain unresolved.

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

What to know about Polvadera's water

Polvadera ranks #46 out of 163 cities in New Mexico for water quality, placing it mid-range in the state.

Polvadera 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, Polvadera 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 →
71.9 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
21.9/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 1.4 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Polvadera, NM water safe to drink?

Concerns Identified

Polvadera's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (71.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,470 residents using groundwater (wells).

21
Active Violations
1.4 ppb
Lead (90th %ile)
3 events
Disaster History

Recent water quality updates for Polvadera

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Polvadera's water quality assessment. Grade: B- (71.9/100).

Violation
2 drinking water violations recorded

1 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

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.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-1936). Flood event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 1.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Polvadera's water system has 210 total violations on record, including 7 health-based violations. 21 remain unresolved. 7 violations were issued in the last 5 years.

TTRPTOtherMRMONMCL
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Mar 2023 Public Notice Open
Oct 2022 Consumer Confidence Rule Open
Jul 2022 Public Notice Open

Flood & environmental risk

Socorro County has experienced 3 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. Local water sources include Rio Grande Floodway, Rio Grande.

SEVERE STORMS, FLOODING, AND MUDSLIDES
Flood FEMA DR-4152
SEVERE STORMS AND FLOODING
Flood FEMA DR-1936
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3229

Where does Polvadera's water come from?

Polvadera's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,470 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 Grande Floodway (river), Rio Grande (river).

What Polvadera residents can do

Install a water filter

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

Polvadera'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
1.4 ppb
EPA Action Level: 15 ppb · 9% of limit
Safe Level
Compliance Record

Violation summary

210
Total violations
7
Health-based
21
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

210 Total
21 Active
7 Health-based
189 Resolved
Violations by category
Synthetic Organic Chemicals
174
Total Coliform Rule
11
Public Notice Rule and Revised PN Rule
8
Consumer Confidence Rule
7
Ground Water Rule
3
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
Mar 2023 Active
Public Notice
Other Violation 0
Oct 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Public Notice
Other Violation 0
Oct 2021 Active
Groundwater Rule
Other Violation 0
Oct 2021 Active
Consumer Confidence Rule
Other Violation 0
Oct 2020 Active
Consumer Confidence Rule
Other Violation 0
Dec 2019 Active
Public Notice
Other Violation 0
Oct 2019 Active
Consumer Confidence Rule
Other Violation 0
Nov 2018 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2016 Active
Public Notice
Other Violation 0
Apr 2014 Active
Public Notice
Other Violation 0
Jan 2013 Active
Groundwater Rule
Treatment Technique
Health-Based Health 0
Sep 2006 Active
Public Notice
Other Violation 0
Jun 2006 Active
Public Notice
Other Violation 0
Jul 2005 Active
Public Notice
Other Violation 0
Oct 1999 Active
Consumer Confidence Rule
Other Violation 0
Jul 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 1994 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 210 violations
Site context

Superfund sites within 10 miles of Polvadera

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

Environmental Risk

Drought conditions

D3 — extreme drought

Socorro 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)
34.7%
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

3
Declared disasters
Oct 2013
Most recent
Flood
Most common type

Socorro County has experienced 3 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
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) 1.4 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 1.4 ppb from 2007 (0.0 ppb) to 2023 (1.4 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
2,470
Water Systems
1
Water Source

Where Polvadera's water comes from

Groundwater

Polvadera'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 2,470 people through 1 water system.

Local Hydrology

Water bodies near Polvadera

Polvadera is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Rio Grande Floodway
river
Rio Grande
river
Infrastructure

Water systems serving Polvadera

System Name PWSID Population Source
POLVADERA MDWCA NM3566628 2,470 GW
Regional Comparison

How Polvadera compares

Full New Mexico rankings →

Polvadera's score of 71.9/100 is above the average of 44/100 among major New Mexico cities. It outscores 9 of 10 nearby cities.

Polvadera (this city)
71.9
Las Cruces
40.1
Santa Fe
35.7
Rio Rancho
83.8
Roswell
45.8
New Mexico avg
44
City Profile

About Polvadera, NM

Wikipedia →

Lemitar is a census-designated place in Socorro County, New Mexico, United States. Its population was 330 as of the 2010 census. Lemitar has a post office with ZIP code 87823. Exit 156 on Interstate 25 serves the community.

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Frequently asked questions

Is Polvadera, NM tap water safe to drink?

Polvadera's water quality earned a grade of B- (71.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #46 out of 163 cities tested in New Mexico.

What contaminants are in Polvadera's water?

Lead was measured at 1.4 ppb (90th percentile). 210 violations are on record.

How is Polvadera'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 Polvadera?

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

Where does Polvadera's water come from?

Polvadera's water is sourced from Groundwater. The city has 1 water system serving approximately 2,470 residents.

What health violations has Polvadera's water system had?

Polvadera has 7 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 21 violations remain unresolved.

Is Polvadera's groundwater at risk of contamination?

Polvadera 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 210 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 Polvadera's water compare to other cities?

Polvadera ranks #46 out of 163 cities in New Mexico (better than 72% of state cities) and #10473 out of 15744 cities nationally (34th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Polvadera's small water system affect quality?

Polvadera's system serves approximately 2,470 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 210 violations on record.