Trigg County, Kentucky
1 ZIP code · Avg score 63/100 · Grade C · Updated 2026-06-03
Monitoring figures for Trigg County indicate average water quality overall — some ZIP codes among the 1 tracked have recorded health-based violation, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Trigg County Compares
How Trigg County Compares
Trigg County scores 2 points above the Kentucky state average (61/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Estimated additional annual cost per homeowner: $470, driven primarily by energy_code_gap
Infrastructure: 0.29% avg pipe failure probability
48% of homes built before 1978 (lead paint era)
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: $470
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
7,118 housing units in Trigg 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 Trigg County
Remediation costs are relatively manageable for most homeowners in Trigg 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.
Water Systems with Most Violations
Top 3 systems in Trigg County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Barkley Lake Water District | 14,284 | 0 |
| 2 | Cadiz Municipal Water Company | 6,165 | 0 |
| 3 | HOPKINSVILLE WATER ENVIRONMENT AUTHORITY | 41,350 | 0 |
All ZIP Codes in Trigg County
1 ZIP code tracked in Trigg County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 42211 | Cadiz | 63 | C | 0 | $198K |
Recommended Buyer Guides for Trigg County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Overview
Trigg County in Kentucky covers 1 ZIP code with an average Home Safety Score of C (63/100).
No EPA violations recorded across any tracked ZIP codes in Trigg County.
← Back to Kentucky 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.