COUNTY REPORT TN

Coffee County, Tennessee

5 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-03

Unlike top-rated counties, Coffee County's 5 ZIP codes carry a fair number of documented violations — chlorine compliance and disinfection byproduct limits are the categories most often cited in recent data.

How Coffee County Compares

Coffee County60/100
Tennessee avg69/100
National avg68/100

How Coffee County Compares

C
County Grade
60/100
Avg Safety Score
5
ZIP Codes
8
Water Systems

Coffee County scores 9 points below the Tennessee state average (69/100) and 8 points below the national average (68/100).

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

C
County Grade
60
Avg Safety Score
5
ZIP Codes
Best ZIP: 37349 (69/100)
Lowest ZIP: 37389 (53/100)
$238K
Median Home Value
$1,360
Avg Remediation (57% of home value)

ZIP Code Risk Map

Water Quality Map: Coffee County, Tennessee

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: 15.4 (asthma 11.1%, diabetes 13.8%)

Estimated additional annual cost per homeowner: $352, driven primarily by energy_code_gap

Infrastructure: 0.285% avg pipe failure probability

51% of homes built before 1978 (lead paint era)

Violation History (2021–2023)

→ Stable trend

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

2021
1 (1 health)
2022
4 (3 health)
2023
3 (1 health)

Peak year: 2022 with 4 violations. Past 5 years: 8 total (5 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 11.1% (national: 8.9%)
Diabetes 13.8% (national: 10.5%)
Obesity 40.5% (national: 32.4%)

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

Infrastructure Overview

1981
Median Build Year
51%
Pre-1978 Housing
28%
Pipe Failure Probability
0%
ZIPs at High Infra Risk
Moderate
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: $352

Energy Code Gap $162/yr
Flood $160/yr
Water / Lead $30/yr

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

Housing Age Distribution

14,369 housing units in Coffee County

Pre-1940 2%
1940–1959 7%
1960–1979 28%
1980–1999 31%
2000+ 32%

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 Coffee County

$238K
Median Home Value
$1,360
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 11.1% (US avg: 8.9%)
Diabetes 13.8% (US avg: 11%)
Obesity 40.5% (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 Coffee County ranked by EPA violation count.

# Water System Population Violations
1 MANCHESTER WATER DEPARTMENT 24,975 22
2 Hillsville Utility District 11,325 22
3 Stacey Ann's Mhp 148 22
4 West Warren-viola U.d. 19,009 11
5 TULLAHOMA UTILITIES AUTHORITY 30,958 0

8 total water systems serve Coffee County.

All ZIP Codes in Coffee County

5 ZIP codes tracked in Coffee County.

# ZIP Code City Safety Score Grade Violations Home Value
1 37349 Manchester 69 C 11
2 37355 Manchester 64 C 11 $238K
3 37342 Hillsboro 63 C 0 $224K
4 37360 Normandy 53 D 0 $242K
5 37389 Arnold Afb 53 D 0

Recommended Buyer Guides for Coffee 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

Coffee County in Tennessee covers 5 ZIP codes with an average Home Safety Score of C (60/100).

2 of 5 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Tennessee water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Coffee County?
Coffee 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 Coffee County?
Coffee County is served by 8 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Coffee County?
The primary environmental risk factor in Coffee County is energy_code_gap. This contributes to an estimated additional annual cost of $352 per homeowner.
How old are homes in Coffee County?
The median home build year in Coffee County is 1981. 51% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Coffee County compare to Tennessee?
Coffee County has an average water safety score of 60/100, which is below the Tennessee state average of 69/100.

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