Wapiti, WY: High Radon Risk — 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Across water systems in Wapiti, EPA data shows a below-average compliance pattern for WY — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Wapiti Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Wapiti Water
- Estimated remediation: $3,000 per household.
- CDC health risk index: 12.77 — above typical levels.
Who Supplies Your Water in Wapiti
A single utility carries the primary residential water load in Wapiti, WY — the dominant provider across 1 federally tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Wapiti, Wyoming (population ~161), covering 1 community water system serving approximately 10,224 people region-wide.
No EPA violations recorded across any ZIP codes in Wapiti — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Wapiti: D (53/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Wapiti water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Wapiti
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 82450 | D | CODY, CITY OF | 10,224 |
All ZIP Codes in Wapiti
- 82450 [D]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Wapiti
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Wapiti
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
The year 1986 marks a critical threshold in residential plumbing safety: that's when the federal government banned lead solder from new construction, closing a major pathway for lead entering household drinking water via pipe joints. Wapiti's median build year of 2005 signals that most of the city's housing was built under the newer standard. The distribution above tells the full story — the post-1986 majority lowers aggregate risk, but the pre-1986 share still deserves scrutiny from anyone living in or purchasing an older home.
Most homes in Wapiti were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Flood & Climate Risk in Wapiti
Wapiti's flood exposure sits in the moderate range: 1 NFIP claim on record and 100% of ZIP codes within FEMA-designated flood zones. Residents with private wells or older infrastructure have reasonable grounds to factor flood timing into their water quality awareness.
Wapiti has a moderate flood history with 1 FEMA claims averaging $46,096 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$3,000</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Wapiti
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Wapiti, WY