COUNTY REPORT WY

Carbon County, Wyoming

13 ZIP codes · Avg score 51/100 · Grade D · Updated 2026-06-03

While Carbon County's situation varies by ZIP, its 13 ZIP codes collectively fall below the state average — addressing specific concerns starts with checking the system that serves a given address.

How Carbon County Compares

Carbon County51/100
Wyoming avg55/100
National avg68/100

How Carbon County Compares

D
County Grade
51/100
Avg Safety Score
13
ZIP Codes
11
Water Systems

Carbon County scores 4 points below the Wyoming state average (55/100) and 17 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

D
County Grade
51
Avg Safety Score
13
ZIP Codes
Best ZIP: 82324 (69/100)
Lowest ZIP: 82321 (30/100)
$208K
Median Home Value
$2,206
Avg Remediation (106% of home value)

ZIP Code Risk Map

Water Quality Map: Carbon County, Wyoming

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: 13.4 (asthma 9.9%, diabetes 12.5%)

Estimated additional annual cost per homeowner: $815, driven primarily by water_lead

Infrastructure: 0.455% avg pipe failure probability, 73% of ZIPs at high risk

73.9% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↓ Improving trend

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

2021
4 (4 health)
2022
6 (6 health)
2023
21 (21 health)
2024
17 (17 health)
2025
4 (4 health)

Peak year: 2023 with 21 violations. Past 5 years: 52 total (52 health-based). Health-based violations are declining versus the prior 2-year window.

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

County Health Indicators vs National Average

Asthma 9.9% (national: 8.9%)
Diabetes 12.5% (national: 10.5%)
Obesity 37.7% (national: 32.4%)

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

Infrastructure Overview

1972
Median Build Year
73.9%
Pre-1978 Housing
46%
Pipe Failure Probability
73%
ZIPs at High Infra Risk
High
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: $815

Water / Lead $265/yr
Wildfire $254/yr
Energy Code Gap $173/yr

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

Housing Age Distribution

8,155 housing units in Carbon County

Pre-1940 17%
1940–1959 19%
1960–1979 34%
1980–1999 19%
2000+ 11%

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 Carbon County

$208K
Median Home Value
$2,206
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.9% (US avg: 8.9%)
Diabetes 12.5% (US avg: 11%)
Obesity 37.7% (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 Carbon County ranked by EPA violation count.

# Water System Population Violations
1 Medicine Waters Village 200 19
2 Baggs, Town of 400 17
3 Dixon, Town of 114 16
4 City of Rawlins Water Supply, 9,006 11
5 Saratoga, Town of 1,720 8

11 total water systems serve Carbon County.

All ZIP Codes in Carbon County

13 ZIP codes tracked in Carbon County.

# ZIP Code City Safety Score Grade Violations Home Value
1 82324 Elk Mountain 69 C 6 (1 health) $218K
2 82325 Encampment 66 C 1 $213K
3 82327 Hanna 66 C 0 $121K
4 82331 Saratoga 65 C 8 (2 health) $300K
5 82334 Sinclair 65 C 2 $201K
6 82301 Rawlins 62 C 11 (5 health) $208K
7 82323 Dixon 50 D 16 (13 health) $118K
8 82058 Garrett 40 D 0
9 82332 Savery 40 D 0
10 82335 Walcott 40 D 0
11 82615 Shirley Basin 40 D 0
12 82329 Medicine Bow 32 F 2 $75K
13 82321 Baggs 30 F 17 (10 health) $224K

Recommended Buyer Guides for Carbon County

While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.

Overview

Carbon County in Wyoming covers 13 ZIP codes with an average Home Safety Score of D (51/100).

8 of 13 ZIP codes have recorded EPA violations. 31 health-based violations have been documented.

← Back to Wyoming water quality report

Data Sources

Updated daily.

What You Can Do

Carbon County has a grade of D. Here are steps to protect your household.

1

Test your tap water

Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.

2

Consider a certified water filter

NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher

3

Contact your water utility

Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.

4

Check for lead in your home

73.9% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.

Frequently Asked Questions

Is water safe in Carbon County?
Carbon County receives a grade of D. 5 of 13 ZIP codes have health-based violations. Independent water testing is recommended.
How many water systems serve Carbon County?
Carbon County is served by 11 public water systems that supply drinking water to residents across 13 ZIP codes.
What is the biggest environmental risk in Carbon County?
The primary environmental risk factor in Carbon County is water_lead. This contributes to an estimated additional annual cost of $815 per homeowner.
How old are homes in Carbon County?
The median home build year in Carbon County is 1972. 73.9% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Carbon County compare to Wyoming?
Carbon County has an average water safety score of 51/100, which is below the Wyoming state average of 55/100.

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