Teton County, Wyoming
9 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
Safe water is the norm for most of Teton County's 9 ZIP codes — but a notable subset have documented violations that push the grade to the middle tier.
How Teton County Compares
How Teton County Compares
Teton County scores 7 points above the Wyoming state average (55/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Teton County, Wyoming
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 10.1 (asthma 9.1%, diabetes 8.7%)
Estimated additional annual cost per homeowner: $639, driven primarily by flood
Infrastructure: 0.313% avg pipe failure probability, 11% of ZIPs at high risk
49.8% of homes built before 1978 (lead paint era)
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: $639
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
13,495 housing units in Teton 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 Teton County
Remediation costs are relatively manageable for most homeowners in Teton 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 Teton 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 Teton County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | JACKSON, TOWN OF | 24,760 | 23 |
| 2 | Rafter J Subdivision Hoa | 1,500 | 23 |
| 3 | Aspens Pines W&s District | 1,400 | 23 |
| 4 | Melody Ranch Improvement & Service District | 900 | 16 |
| 5 | Spring Creek Improvement District | 400 | 16 |
14 total water systems serve Teton County.
All ZIP Codes in Teton County
9 ZIP codes tracked in Teton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 83013 | Moran | 70 | B | 0 | — |
| 2 | 83025 | Teton Village | 70 | B | 1 | $2000K |
| 3 | 83014 | Wilson | 69 | C | 7 (1 health) | $1580K |
| 4 | 83414 | Alta | 66 | C | 0 | $1040K |
| 5 | 83002 | Jackson | 65 | C | 8 (1 health) | — |
| 6 | 83001 | Jackson | 64 | C | 8 (1 health) | $1369K |
| 7 | 83012 | Moose | 64 | C | 4 | — |
| 8 | 82922 | Bondurant | 53 | D | 0 | $855K |
| 9 | 83011 | Kelly | 40 | D | 0 | $1767K |
Recommended Buyer Guides for Teton County
Independent picks. EPA-grounded. Matched here.
- 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 Teton County, Wyoming
Overview
Teton County in Wyoming covers 9 ZIP codes with an average Home Safety Score of C (62/100).
5 of 9 ZIP codes have recorded EPA violations. 3 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.