A88/100
Mary Esther Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 4,013 residents · Florida
What's In Mary Esther's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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
MARY ESTHER, CITY OF
Population Served
4,013
Water Source
Groundwater
System ID
FL1460455
Frequently Asked Questions About Mary Esther Water
Is Mary Esther tap water safe to drink?
Mary Esther, Florida tap water receives a grade of A (88/100), which is considered excellent. Out of 31 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 Mary Esther's water?
Of the 31 contaminants tested in Mary Esther'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 Mary Esther have any water quality violations?
Yes, Mary Esther has 5 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL, MR. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Mary Esther?
Mary Esther 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 Mary Esther's tap water come from?
Mary Esther's drinking water is sourced from groundwater and supplied by MARY ESTHER, CITY OF. The system serves approximately 4,013 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Mary Esther'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. Mary Esther'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 Mary Esther's water compare to other cities in Florida?
Mary Esther's water quality score of 88/100 earns a grade of A, which is considered excellent. This places Mary Esther among the better-performing water systems in Florida. Visit our Florida state page to see how all cities in the state compare.
What should I do if I'm concerned about Mary Esther's water quality?
If you have concerns about Mary Esther'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 (MARY ESTHER, CITY OF) 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.