COUNTY REPORT TN

Grundy County, Tennessee

6 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03

Water utilities serving Grundy County's 6 ZIP codes have built a consistent compliance record — the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.

How Grundy County Compares

Grundy County78/100
Tennessee avg69/100
National avg68/100

How Grundy County Compares

B
County Grade
78/100
Avg Safety Score
6
ZIP Codes
7
Water Systems

Grundy County scores 9 points above the Tennessee state average (69/100) and 10 points above the national average (68/100).

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

B
County Grade
78
Avg Safety Score
6
ZIP Codes
Best ZIP: 37301 (99/100)
Lowest ZIP: 37313 (66/100)
$138K
Median Home Value
$1,600
Avg Remediation (116% of home value)

ZIP Code Risk Map

Water Quality Map: Grundy 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: 16.7 (asthma 11.6%, diabetes 15.9%)

Estimated additional annual cost per homeowner: $597, driven primarily by energy_code_gap

Infrastructure: 0.31% avg pipe failure probability

55.7% of homes built before 1978 (lead paint era)

Violation History (2023–2025)

→ Stable trend

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

2023
8 (8 health)
2024
11 (11 health)
2025
12 (12 health)

Peak year: 2025 with 12 violations. Past 5 years: 31 total (31 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 15.9% (national: 10.5%)
Obesity 39.6% (national: 32.4%)

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

Infrastructure Overview

1977
Median Build Year
55.7%
Pre-1978 Housing
31%
Pipe Failure Probability
0%
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: $597

Energy Code Gap $405/yr
Water / Lead $125/yr
Flood $67/yr

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

Housing Age Distribution

4,667 housing units in Grundy County

Pre-1940 9%
1940–1959 7%
1960–1979 29%
1980–1999 30%
2000+ 24%

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 Grundy County

$138K
Median Home Value
$1,600
Est. Remediation Cost
1.2%
of Home Value
Remediation as % of home value low burden

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

Asthma 11.6% (US avg: 8.9%)
Diabetes 15.9% (US avg: 11%)
Obesity 39.6% (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 Grundy County ranked by EPA violation count.

# Water System Population Violations
1 Big Creek Utility District 9,211 5
2 Monteagle Public Utility Board 4,179 5
3 TRACY CITY WATER SYSTEM 5,692 5
4 JASPER WATER DEPT 9,702 5
5 Warren County Utility District 29,827 0

7 total water systems serve Grundy County.

All ZIP Codes in Grundy County

6 ZIP codes tracked in Grundy County.

# ZIP Code City Safety Score Grade Violations Home Value
1 37301 Altamont 99 A 0 $131K
2 37387 Tracy City 88 A 5 (3 health) $123K
3 37339 Gruetli Laager 73 B 0 $145K
4 37366 Pelham 73 B 0 $161K
5 37305 Beersheba Springs 66 C 0 $79K
6 37313 Coalmont 66 C 0 $152K

Recommended Buyer Guides for Grundy County

Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

Overview

Grundy County in Tennessee covers 6 ZIP codes with an average Home Safety Score of B (78/100).

1 of 6 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.

← Back to Tennessee water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Grundy County?
Grundy County receives a grade of B, indicating generally safe tap water across its 6 ZIP codes.
How many water systems serve Grundy County?
Grundy County is served by 7 public water systems that supply drinking water to residents across 6 ZIP codes.
What is the biggest environmental risk in Grundy County?
The primary environmental risk factor in Grundy County is energy_code_gap. This contributes to an estimated additional annual cost of $597 per homeowner.
How old are homes in Grundy County?
The median home build year in Grundy County is 1977. 55.7% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Grundy County compare to Tennessee?
Grundy County has an average water safety score of 78/100, which is above the Tennessee state average of 69/100.

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