C58/100
N.S. MAYPORT — Water Quality Report 2026
Serving 20,500 people · Florida
Water Source
Groundwater
County
—
System ID
FL2160734
Violations
9
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
strontium | 1839.07 µg/L | — | Above Goal |
chlorate | 1109.99 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failed to conduct Level 1 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Resolved
Missed required monitoring deadline
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: November 1, 2021 – February 9, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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
Frequently Asked Questions About N.S. MAYPORT
Is N.S. MAYPORT water safe to drink?
N.S. MAYPORT water receives a grade of C (58/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 9 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has N.S. MAYPORT detected?
66 contaminants were tested in N.S. MAYPORT's water. Notable contaminants include Lead (90th percentile), strontium, chlorate. No contaminants exceed EPA legal limits. 3 exceed EPA health goals (MCLGs).
Does N.S. MAYPORT have any EPA violations?
Yes, N.S. MAYPORT has 9 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, RPT, MCL. 6 are health-based violations.
How many people does N.S. MAYPORT serve?
N.S. MAYPORT serves approximately 20,500 people, Florida. The system provides water to 1 community: Mayport.
What type of water does N.S. MAYPORT provide?
N.S. MAYPORT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is FL2160734.
How does N.S. MAYPORT compare to other utilities in Florida?
N.S. MAYPORT scores 58/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Florida state page for a full comparison of water systems.