Caldwell County, Kentucky
2 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Caldwell: B.
This ZIP looks solid, with a few items worth a quick check.
In recent assessments, Caldwell County's 2 ZIP codes record strong, consistent water safety outcomes.
How Caldwell County Compares
How Caldwell County Compares
Caldwell County scores 20 points above the Kentucky state average (61/100) and 13 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
Key Risk Factors
Estimated additional annual cost per homeowner: $1,005, driven primarily by flood
Infrastructure: 0.48% avg pipe failure probability, 100% of ZIPs at high risk
64% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Caldwell County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 6 violations. Past 5 years: 11 total (11 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $1,005
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,851 housing units in Caldwell 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 Caldwell County
Remediation costs are relatively manageable for most homeowners in Caldwell 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 serving Caldwell County
7 community water systems serving Caldwell County.
- B
- B
- B
- B
- B
- B
Show all 7 water systems
- B
Systems with the most violations in Caldwell County
1 water system with recorded EPA violations.
- B
All ZIP Codes in Caldwell County
2 ZIP codes tracked in Caldwell County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 42411 | Fredonia | 83 | B | 1 | $97K |
| 2 | 42445 | Princeton | 78 | B | 0 | $111K |
Recommended Buyer Guides for Caldwell County
Below: editorial picks, no sponsored placements.
- Best Lead Paint Test Kits — 64% of homes built before 1978
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Caldwell County in Kentucky covers 2 ZIP codes with an average Home Safety Score of B (81/100).
1 of 2 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.