Laramie County, Wyoming
17 ZIP codes · Avg score 43/100 · Grade D · Updated 2026-06-04
Laramie County's 17 ZIP codes show a poor compliance record — repeated MCL exceedances have kept the county in the bottom tier for water safety.
How Laramie County Compares
How Laramie County Compares
Laramie County scores 12 points below the Wyoming state average (55/100) and 25 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Laramie County, Wyoming
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.1 (asthma 10.1%, diabetes 10.6%)
Estimated additional annual cost per homeowner: $699, driven primarily by flood
Infrastructure: 0.367% avg pipe failure probability, 19% of ZIPs at high risk
60.1% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
↑ Worsening trendEPA violation counts by year across Laramie County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 4 violations. Past 5 years: 10 total (10 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $699
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
44,657 housing units in Laramie County
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 Laramie County
Remediation costs are relatively manageable for most homeowners in Laramie 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 Laramie County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Laramie County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Cheyenne Board of Public Utilities | 64,165 | 48 |
| 2 | Usaf F.e. Warren Afb | 5,500 | 48 |
| 3 | South Cheyenne Water & Sewer District | 10,000 | 48 |
| 4 | Winchester Hills | 1,078 | 48 |
| 5 | West Winds | 663 | 48 |
9 total water systems serve Laramie County.
All ZIP Codes in Laramie County
17 ZIP codes tracked in Laramie County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 82053 | Burns | 70 | B | 1 | $247K |
| 2 | 82054 | Carpenter | 65 | C | 1 (1 health) | $555K |
| 3 | 82082 | Pine Bluffs | 61 | C | 13 (4 health) | $316K |
| 4 | 82050 | Albin | 49 | D | 22 (2 health) | $141K |
| 5 | 82003 | Cheyenne | 44 | D | 6 (1 health) | — |
| 6 | 82005 | Fe Warren Afb | 40 | D | 0 | — |
| 7 | 82059 | Granite Canon | 40 | D | 0 | $461K |
| 8 | 82060 | Hillsdale | 40 | D | 0 | $373K |
| 9 | 82081 | Meriden | 40 | D | 0 | — |
| 10 | 82221 | Lagrange | 40 | D | 0 | $229K |
| 11 | 82007 | Cheyenne | 39 | F | 6 (1 health) | $218K |
| 12 | 82001 | Cheyenne | 34 | F | 6 (1 health) | $291K |
| 13 | 82009 | Cheyenne | 34 | F | 6 (1 health) | $415K |
| 14 | 82002 | Cheyenne | 32 | F | 6 (1 health) | — |
| 15 | 82006 | Cheyenne | 32 | F | 6 (1 health) | — |
| 16 | 82008 | Cheyenne | 32 | F | 6 (1 health) | — |
| 17 | 82010 | Cheyenne | 32 | F | 6 (1 health) | — |
Recommended Buyer Guides for Laramie County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 60.1% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Laramie County, Wyoming
Overview
Laramie County in Wyoming covers 17 ZIP codes with an average Home Safety Score of D (43/100).
12 of 17 ZIP codes have recorded EPA violations. 15 health-based violations have been documented.
← Back to Wyoming water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.
What You Can Do
Laramie County has a grade of D. Here are steps to protect your household.
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.
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
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.
Check for lead in your home
60.1% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.