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Mount Juliet, TN Tap Water Quality 2026

Water quality report for Mount Juliet, TN — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Mount Juliet's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Gladeville Utility District PWSID: TN0000264 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 7.46 ppb, 50% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Mount Juliet earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 7.46 ppb — 50% of the federal action level
PFAS sampled, too few results to judge
7 violations since 2015, 2 health-based
No violations currently open
Mount Juliet's lead level vs. all Tennessee community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 7.46 ppb — 50% of the federal action level
✓ Lower lead than 1% of Tennessee utilities
Population Served
3564
~7338 connections
Water Source
Surface water
Groundwater under the direct influence of surface water — SDWIS source code GU
Active Violations
0
7 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
50% of EPA action level
7.46 ppb
Action level: 15 ppb
The 90th-percentile lead result is 7.46 ppb, 50% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.0615 MG/L 0.060 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.063 MG/L 0.060 mg/L 2020 Resolved
Public Notice OTHER — — 2018 Unaddressed
Cryptosporidium MONITORING AND REPORTING — — 2017 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2016 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2016 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2016 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

7 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Gladeville Utility District
PWSID TN0000264
Water source Surface water — Groundwater under the direct influence of surface water — SDWIS source code GU
Population served 3,564
Service connections 7,338
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Mount Juliet tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 7.46 ppb, 50% of the action level.
Does Mount Juliet water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Mount Juliet? ▼
Gladeville Utility District (PWSID TN0000264), one of 3 systems serving this area. Surface water. Groundwater under the direct influence of surface water — SDWIS source code GU
When was this system last inspected? ▼
It was last inspected on 2020-01-15. No significant deficiencies were recorded.

What Should Mount Juliet Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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