C58/100
OVIEDO, CITY OF — Water Quality Report 2026
Serving 47,933 people · Florida
Water Source
Groundwater
County
—
System ID
FL3590970
Violations
20
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
chlorate | 331.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 OVIEDO, CITY OF
Is OVIEDO, CITY OF water safe to drink?
OVIEDO, CITY OF water receives a grade of C (58/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 20 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has OVIEDO, CITY OF detected?
64 contaminants were tested in OVIEDO, CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does OVIEDO, CITY OF have any EPA violations?
Yes, OVIEDO, CITY OF has 20 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, Other. 2 are health-based violations.
How many people does OVIEDO, CITY OF serve?
OVIEDO, CITY OF serves approximately 47,933 people, Florida. The system provides water to 1 community: Oviedo.
What type of water does OVIEDO, CITY OF provide?
OVIEDO, CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is FL3590970.
How does OVIEDO, CITY OF compare to other utilities in Florida?
OVIEDO, CITY OF 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.