COUNTY REPORT KY

Jessamine County, Kentucky

4 ZIP codes · Avg score 65/100 · Grade C · Updated

ZipCheckup grade for Jessamine County: C.

A mixed picture - some signals here are worth your attention.

Tracking 4 ZIP codes in Jessamine County reveals a mixed picture - tap water quality varies meaningfully by location.

How Jessamine County Compares

Jessamine County65/100
Kentucky avg69/100
National avg73/100

How Jessamine County Compares

C
County Grade
65/100
Avg Safety Score
4
ZIP Codes
5
Water Systems

Jessamine County scores 4 points below the Kentucky state average (69/100) and 8 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

C
County Grade
65
Avg Safety Score
4
ZIP Codes
Best ZIP: 40356 (65/100)
Lowest ZIP: 40390 (65/100)
$219K
Median Home Value
$2,425
Avg Remediation (111% of home value)

Key Risk Factors

Estimated additional annual cost per homeowner: $1,320, driven primarily by flood

56.3% of homes built before 1978 (lead paint era)

Violation History (2023–2024)

→ Stable trend

EPA violation counts by year across Jessamine County water systems. Health-based shown in red, total in blue.

2023
4 (4 health)
2024
2 (2 health)

Peak year: 2023 with 4 violations. Past 5 years: 6 total (6 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

Infrastructure Overview

1980
Median Build Year
56.3%
Pre-1978 Housing
45/100
Infrastructure Stress Indicator
50%
ZIPs with High Infrastructure Stress
Moderate
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,320

Flood $1,400/yr
Energy Code Gap $360/yr
Water Infrastructure $213/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

20,420 housing units in Jessamine County

Pre-1940 5%
1940–1959 6%
1960–1979 21%
1980–1999 38%
2000+ 31%

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 Jessamine County

$219K
Median Home Value
$2,425
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Jessamine 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 Jessamine County

5 community water systems serving Jessamine County.

Systems with the most violations in Jessamine County

2 water systems with recorded EPA violations.

All ZIP Codes in Jessamine County

4 ZIP codes tracked in Jessamine County.

# ZIP Code City Safety Score Grade Violations Home Value
1 40356 Nicholasville 65 C 3 (3 health) $246K
2 40390 Wilmore 65 C 3 (3 health) $219K
3 40339 Keene $109K
4 40340 Nicholasville

Recommended Buyer Guides for Jessamine County

Strictly editorial - no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

Jessamine County in Kentucky covers 4 tracked ZIP records with an average Home Safety Score of C (65/100) across 2 scored records.

2 of 2 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

← Back to Kentucky Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Jessamine County?
Jessamine County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Jessamine County?
Jessamine County is served by 5 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Jessamine County?
The primary environmental risk factor in Jessamine County is flood. This contributes to an estimated additional annual cost of $1,320 per homeowner.
How old are homes in Jessamine County?
The median home build year in Jessamine County is 1980. 56.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Jessamine County compare to Kentucky?
Jessamine County has an average Home Safety Score of 65/100 under model 4.0.0, which is below the Kentucky state average of 69/100.

How to cite this page

APA ZipCheckup. (2026). Jessamine County, KY: HSS 65/100; 3 Health Violations. https://zipcheckup.com/county/kentucky/jessamine/
BibTeX
@misc{zipcheckup-county-kentucky-jessamine,
  author = {{ZipCheckup}},
  title  = {{Jessamine County, KY: HSS 65/100; 3 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/kentucky/jessamine/}
}

Page version: August 2026.

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