COUNTY REPORT OH

Athens County, Ohio

21 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-03

Covering 21 ZIP codes, Athens County falls in the average tier for tap water safety — violations appear in a meaningful share of areas, and the data suggests quality depends heavily on which specific part of the county a household sits in.

How Athens County Compares

Athens County66/100
Ohio avg60/100
National avg68/100

How Athens County Compares

C
County Grade
66/100
Avg Safety Score
21
ZIP Codes
20
Water Systems

Athens County scores 6 points above the Ohio state average (60/100) and 2 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

C
County Grade
66
Avg Safety Score
21
ZIP Codes
Best ZIP: 43728 (81/100)
Lowest ZIP: 45783 (53/100)
$120K
Median Home Value
$1,671
Avg Remediation (139% of home value)

ZIP Code Risk Map

Water Quality Map: Athens County, Ohio

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 13.7 (asthma 11.6%, diabetes 12.4%)

Estimated additional annual cost per homeowner: $1,203, driven primarily by flood

Infrastructure: 0.374% avg pipe failure probability, 37% of ZIPs at high risk

57.6% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

→ Stable trend

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

2022
5 (5 health)
2024
33 (33 health)
2025
20 (20 health)

Peak year: 2024 with 33 violations. Past 5 years: 58 total (58 health-based).

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

County Health Indicators vs National Average

Asthma 11.6% (national: 8.9%)
Diabetes 12.4% (national: 10.5%)
Obesity 36.4% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1984
Median Build Year
57.6%
Pre-1978 Housing
37%
Pipe Failure Probability
37%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,203

Flood $629/yr
Energy Code Gap $351/yr
Water / Lead $143/yr

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

Housing Age Distribution

29,923 housing units in Athens County

Pre-1940 20%
1940–1959 11%
1960–1979 21%
1980–1999 31%
2000+ 18%

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 Athens County

$120K
Median Home Value
$1,671
Est. Remediation Cost
1.4%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Athens 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 Athens County residents

Asthma 11.6% (US avg: 8.9%)
Diabetes 12.4% (US avg: 11%)
Obesity 36.4% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Athens County ranked by EPA violation count.

# Water System Population Violations
1 Sunday Creek Valley Water Public Water System 5,451 25
2 NELSONVILLE PWS 6,656 18
3 Athens Public Water System 32,725 15
4 Athens Company, the Plains S.d. 1 Public Water System 3,276 15
5 Chauncey 1,428 15

20 total water systems serve Athens County.

All ZIP Codes in Athens County

21 ZIP codes tracked in Athens County.

# ZIP Code City Safety Score Grade Violations Home Value
1 43728 Chesterhill 81 B 2 $126K
2 45740 Jacksonville 79 B 2 $74K
3 45761 Millfield 79 B 3 $111K
4 45701 Athens 78 B 1 $218K
5 45710 Albany 74 B 4 (1 health) $181K
6 45719 Chauncey 73 B 0 $74K
7 45782 Trimble 73 B 0 $52K
8 45723 Coolville 69 C 5 (1 health) $168K
9 45732 Glouster 69 C 4 (1 health) $90K
10 45711 Amesville 68 C 6 $215K
11 45716 Buchtel 63 C 0 $122K
12 45739 Hockingport 63 C 0
13 45772 Reedsville 63 C 0 $118K
14 45776 Shade 63 C 0 $179K
15 45777 Sharpsburg 63 C 0
16 45778 Stewart 63 C 0 $68K
17 45780 The Plains 63 C 0 $246K
18 45717 Carbondale 53 D 0
19 45735 Guysville 53 D 0 $153K
20 45764 Nelsonville 53 D 11 (8 health) $113K
21 45783 Tuppers Plains 53 D 0 $112K

Recommended Buyer Guides for Athens County

Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.

Overview

Athens County in Ohio covers 21 ZIP codes with an average Home Safety Score of C (66/100).

9 of 21 ZIP codes have recorded EPA violations. 11 health-based violations have been documented.

← Back to Ohio water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Athens County?
Athens 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 Athens County?
Athens County is served by 20 public water systems that supply drinking water to residents across 21 ZIP codes.
What is the biggest environmental risk in Athens County?
The primary environmental risk factor in Athens County is flood. This contributes to an estimated additional annual cost of $1,203 per homeowner.
How old are homes in Athens County?
The median home build year in Athens County is 1984. 57.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Athens County compare to Ohio?
Athens County has an average water safety score of 66/100, which is above the Ohio state average of 60/100.

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