COUNTY REPORT CO

Conejos County, Colorado

6 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-04

Throughout Conejos County, the 6 monitored ZIP codes show low violation rates and healthy safety scores — a pattern that puts the county well above the state baseline for drinking water quality.

How Conejos County Compares

Conejos County78/100
Colorado avg60/100
National avg68/100

How Conejos County Compares

B
County Grade
78/100
Avg Safety Score
6
ZIP Codes
7
Water Systems

Conejos County scores 18 points above the Colorado state average (60/100) and 10 points above the national average (68/100).

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

B
County Grade
78
Avg Safety Score
6
ZIP Codes
Best ZIP: 81124 (82/100)
Lowest ZIP: 81120 (72/100)
$135K
Median Home Value
$1,750
Avg Remediation (130% of home value)

ZIP Code Risk Map

Water Quality Map: Conejos County, Colorado

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: 12.5 (asthma 10.4%, diabetes 13.8%)

Estimated additional annual cost per homeowner: $952, driven primarily by energy_code_gap

Infrastructure: 0.458% avg pipe failure probability, 67% of ZIPs at high risk

70.7% of homes built before 1978 (lead paint era)

Violation History (2022–2023)

→ Stable trend

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

2022
2 (2 health)
2023
1 (1 health)

Peak year: 2022 with 2 violations. Past 5 years: 3 total (3 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 13.8% (national: 10.5%)
Obesity 30.3% (national: 32.4%)

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

Infrastructure Overview

1977
Median Build Year
70.7%
Pre-1978 Housing
46%
Pipe Failure Probability
67%
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: $952

Energy Code Gap $585/yr
Water / Lead $233/yr
Flood $133/yr

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

Housing Age Distribution

3,307 housing units in Conejos County

Pre-1940 23%
1940–1959 11%
1960–1979 21%
1980–1999 27%
2000+ 17%

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 Conejos County

$135K
Median Home Value
$1,750
Est. Remediation Cost
1.3%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Conejos 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 Conejos County residents

Asthma 10.4% (US avg: 8.9%)
Diabetes 13.8% (US avg: 11%)
Obesity 30.3% (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 Conejos County ranked by EPA violation count.

# Water System Population Violations
1 Capulin Water District 250 18
2 Antonito Town of 981 16
3 Bear Creek Loa 190 16
4 Romeo Town of 365 11
5 La Jara Town of 825 9

7 total water systems serve Conejos County.

All ZIP Codes in Conejos County

6 ZIP codes tracked in Conejos County.

# ZIP Code City Safety Score Grade Violations Home Value
1 81124 Capulin 82 B 18 (1 health) $75K
2 81129 Conejos 82 B 3 (1 health)
3 81148 Romeo 82 B 11 (1 health) $113K
4 81141 Manassa 76 B 8 $176K
5 81140 La Jara 74 B 9 $233K
6 81120 Antonito 72 B 16 $135K

Recommended Buyer Guides for Conejos County

Independent picks. EPA-grounded. Matched here.

Overview

Conejos County in Colorado covers 6 ZIP codes with an average Home Safety Score of B (78/100).

6 of 6 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.

← Back to Colorado water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Conejos County?
Conejos County receives a grade of B, indicating generally safe tap water across its 6 ZIP codes.
How many water systems serve Conejos County?
Conejos County is served by 7 public water systems that supply drinking water to residents across 6 ZIP codes.
What is the biggest environmental risk in Conejos County?
The primary environmental risk factor in Conejos County is energy_code_gap. This contributes to an estimated additional annual cost of $952 per homeowner.
How old are homes in Conejos County?
The median home build year in Conejos County is 1977. 70.7% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Conejos County compare to Colorado?
Conejos County has an average water safety score of 78/100, which is above the Colorado state average of 60/100.

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