Grand Junction, TN Water Safety: 99/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Water utilities in Grand Junction have maintained a consistent compliance record over recent monitoring periods — the city's above-average grade in TN reflects low violation rates and no systemic health concerns flagged in current data.
How Grand Junction Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Grand Junction Water
- Average lead level: 0.0011 mg/L.
- Homes built before 1986: 65% — older plumbing may contain lead solder.
- CDC health risk index: 16.7 — above typical levels.
Who Supplies Your Water in Grand Junction
In Grand Junction, TN, the drinking water supply is organized under a single dominant utility — a consolidated structure that shapes how infrastructure investment, regulatory compliance, and rate decisions flow to households. When one provider handles the overwhelming share of residential connections out of 1 tracked system, accountability is clear: service upgrades, EPA violation responses, and tariff changes all funnel through that single organizational structure.
Overview
We track water quality and home safety data for 1 ZIP code in Grand Junction, Tennessee, covering 1 community water system serving approximately 1,377 people.
No EPA violations recorded across any ZIP codes in Grand Junction — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Grand Junction: A (99/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Grand Junction water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0011 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 38039 | A | Grand Junction Water Department | 1,019 |
All ZIP Codes in Grand Junction
- 38039 [A]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Grand Junction
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Grand Junction
With 65% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Viewed through the lens of construction era, Grand Junction is predominantly an older city — a median build year of 1973 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Grand Junction were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Lead Exposure Risk for Children in Grand Junction
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Pulling a tap sample fills the gap that utility data cannot close, particularly here where 65% of housing dates from the pre-rule era and citywide monitoring sits at or above the regulatory mark in Grand Junction.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Grand Junction, TN