COUNTY REPORT TN

Cannon County, Tennessee

5 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03

For households in Cannon County, the 5 ZIP codes on record show consistently safe tap water.

How Cannon County Compares

Cannon County70/100
Tennessee avg69/100
National avg68/100

How Cannon County Compares

B
County Grade
70/100
Avg Safety Score
5
ZIP Codes
10
Water Systems

Cannon County scores 1 points above the Tennessee state average (69/100) and 2 points above the national average (68/100).

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

B
County Grade
70
Avg Safety Score
5
ZIP Codes
Best ZIP: 37357 (83/100)
Lowest ZIP: 37118 (63/100)
$198K
Median Home Value
$2,300
Avg Remediation (116% of home value)

ZIP Code Risk Map

Water Quality Map: Cannon 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%, diabetes 13.9%)

Estimated additional annual cost per homeowner: $954, driven primarily by flood

Infrastructure: 0.256% avg pipe failure probability

47.2% of homes built before 1978 (lead paint era)

Violation History (2022–2024)

→ Stable trend

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

2022
2 (2 health)
2023
4 (4 health)
2024
3 (3 health)

Peak year: 2023 with 4 violations. Past 5 years: 9 total (9 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% (national: 8.9%)
Diabetes 13.9% (national: 10.5%)
Obesity 40.7% (national: 32.4%)

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

Infrastructure Overview

1995
Median Build Year
47.2%
Pre-1978 Housing
26%
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: $954

Flood $600/yr
Energy Code Gap $324/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

8,195 housing units in Cannon County

Pre-1940 6%
1940–1959 13%
1960–1979 21%
1980–1999 33%
2000+ 28%

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 Cannon County

$198K
Median Home Value
$2,300
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

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

Asthma 11% (US avg: 8.9%)
Diabetes 13.9% (US avg: 11%)
Obesity 40.7% (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 Cannon County ranked by EPA violation count.

# Water System Population Violations
1 WOODBURY WATER SYSTEM 11,434 2
2 Warren County Utility District 29,827 2
3 West Warren-viola U.d. 19,009 2
4 CONSOLIDATED U.D. OF RUTHERFORD CO 221,871 1
5 DEKALB UTILITY DISTRICT #1 17,960 1

10 total water systems serve Cannon County.

All ZIP Codes in Cannon County

5 ZIP codes tracked in Cannon County.

# ZIP Code City Safety Score Grade Violations Home Value
1 37357 Morrison 83 B 1 $168K
2 37190 Woodbury 78 B 1 $238K
3 37016 Auburntown 63 C 0 $198K
4 37026 Bradyville 63 C 0 $184K
5 37118 Milton 63 C 0 $456K

Recommended Buyer Guides for Cannon County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Cannon County in Tennessee covers 5 ZIP codes with an average Home Safety Score of B (70/100).

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 Cannon County?
Cannon County receives a grade of B, indicating generally safe tap water across its 5 ZIP codes.
How many water systems serve Cannon County?
Cannon County is served by 10 public water systems that supply drinking water to residents across 5 ZIP codes.
What is the biggest environmental risk in Cannon County?
The primary environmental risk factor in Cannon County is flood. This contributes to an estimated additional annual cost of $954 per homeowner.
How old are homes in Cannon County?
The median home build year in Cannon County is 1995. 47.2% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Cannon County compare to Tennessee?
Cannon County has an average water safety score of 70/100, which is above the Tennessee state average of 69/100.

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