B70/100
Mount Juliet Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 86,978 residents · Tennessee
What's In Mount Juliet's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
WEST WILSON UTILITY DISTRICT
Population Served
86,978
Water Source
Surface Water
System ID
TN0000743
Frequently Asked Questions About Mount Juliet Water
Is Mount Juliet tap water safe to drink?
Mount Juliet, Tennessee tap water receives a grade of B (70/100), which is considered good. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Mount Juliet's water?
Of the 69 contaminants tested in Mount Juliet's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Mount Juliet have any water quality violations?
Yes, Mount Juliet has 11 EPA violation(s) on record, with the most recent in 2005. Violation types include MCL, TT, MR. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Mount Juliet?
Mount Juliet water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Mount Juliet's tap water come from?
Mount Juliet's drinking water is sourced from surface water and supplied by WEST WILSON UTILITY DISTRICT. The system serves approximately 86,978 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Mount Juliet's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Mount Juliet's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Mount Juliet's water compare to other cities in Tennessee?
Mount Juliet's water quality score of 70/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Tennessee state page to see how all cities in the state compare.
What should I do if I'm concerned about Mount Juliet's water quality?
If you have concerns about Mount Juliet's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (WEST WILSON UTILITY DISTRICT) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.