COUNTY REPORT NM

Valencia County, New Mexico

13 ZIP codes · Avg score 58/100 · Grade C · Updated 2026-06-04

Across Valencia County, EPA compliance data for 13 ZIP codes sits at a moderate level — not alarming, but not uniformly clean either.

How Valencia County Compares

Valencia County58/100
New Mexico avg62/100
National avg68/100

How Valencia County Compares

C
County Grade
58/100
Avg Safety Score
13
ZIP Codes
14
Water Systems

Valencia County scores 4 points below the New Mexico state average (62/100) and 10 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

C
County Grade
58
Avg Safety Score
13
ZIP Codes
Best ZIP: 87031 (77/100)
Lowest ZIP: 87002 (48/100)
$184K
Median Home Value
$1,023
Avg Remediation (56% of home value)

ZIP Code Risk Map

Water Quality Map: Valencia County, New Mexico

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14 (asthma 10.4%, diabetes 15.4%)

Estimated additional annual cost per homeowner: $1,196, driven primarily by energy_code_gap

Infrastructure: 0.395% avg pipe failure probability, 50% of ZIPs at high risk

65.1% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

→ Stable trend

EPA violation counts by year across Valencia County water systems. Health-based shown in red, total in blue.

2021
13 (13 health)
2022
18 (18 health)
2023
11 (11 health)
2024
19 (19 health)
2025
10 (10 health)

Peak year: 2024 with 19 violations. Past 5 years: 71 total (71 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.4% (national: 8.9%)
Diabetes 15.4% (national: 10.5%)
Obesity 36.7% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1976
Median Build Year
65.1%
Pre-1978 Housing
40%
Pipe Failure Probability
50%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,196

Energy Code Gap $415/yr
Wildfire $346/yr
Flood $262/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

32,644 housing units in Valencia County

Pre-1940 5%
1940–1959 6%
1960–1979 25%
1980–1999 43%
2000+ 21%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Valencia County

$184K
Median Home Value
$1,023
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Valencia County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Valencia County residents

Asthma 10.4% (US avg: 8.9%)
Diabetes 15.4% (US avg: 11%)
Obesity 36.7% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Valencia County ranked by EPA violation count.

# Water System Population Violations
1 Los Lunas Water System 19,400 332
2 Rio Del Oro Water System 4,387 332
3 Belen Water System 10,830 216
4 Rio Communities Water System 5,374 216
5 Loma Escondida Water Association 89 216

14 total water systems serve Valencia County.

All ZIP Codes in Valencia County

13 ZIP codes tracked in Valencia County.

# ZIP Code City Safety Score Grade Violations Home Value
1 87031 Los Lunas 77 B 116 (1 health) $207K
2 87042 Peralta 68 C 21 (9 health) $275K
3 87068 Bosque Farms 68 C 18 (9 health) $246K
4 87023 Jarales 63 C 0 $153K
5 87007 Casa Blanca 53 D 0 $36K
6 87014 Cubero 53 D 0 $23K
7 87022 Isleta 53 D 0
8 87034 Pueblo Of Acoma 53 D 0 $78K
9 87038 New Laguna 53 D 0
10 87040 Paguate 53 D 0
11 87060 Tome 53 D 0
12 87939 Monticello 53 D 0 $517K
13 87002 Belen 48 D 216 (20 health) $184K

Recommended Buyer Guides for Valencia County

Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.

Overview

Valencia County in New Mexico covers 13 ZIP codes with an average Home Safety Score of C (58/100).

4 of 13 ZIP codes have recorded EPA violations. 39 health-based violations have been documented.

← Back to New Mexico water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Valencia County?
Valencia County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Valencia County?
Valencia County is served by 14 public water systems that supply drinking water to residents across 13 ZIP codes.
What is the biggest environmental risk in Valencia County?
The primary environmental risk factor in Valencia County is energy_code_gap. This contributes to an estimated additional annual cost of $1,196 per homeowner.
How old are homes in Valencia County?
The median home build year in Valencia County is 1976. 65.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Valencia County compare to New Mexico?
Valencia County has an average water safety score of 58/100, which is below the New Mexico state average of 62/100.

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