C48/100
Oviedo Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 49,409 residents · Florida
What's In Oviedo's Tap Water?
64
Contaminants Tested
1
Exceed EPA Limits
2
Above EPA Goals
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
Water Utility Details
OVIEDO, CITY OF
Population Served
47,933
Water Source
Groundwater
System ID
FL3590970
PALM VALLEY MOBILE HOME PARK
Population Served
1,476
Water Source
Groundwater
System ID
FL3590988
Frequently Asked Questions About Oviedo Water
Is Oviedo tap water safe to drink?
Oviedo, Florida tap water receives a grade of C (48/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 45 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Oviedo's water?
Of the 64 contaminants tested in Oviedo's water supply, the most notable include Copper (90th percentile), Lead (90th percentile), chlorate. 1 contaminant(s) exceed EPA legal limits (MCLs). 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Oviedo have any water quality violations?
Yes, Oviedo has 45 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MCL, Other. 11 of these are health-based violations, which are the most serious category.
Do I need a water filter in Oviedo?
Based on EPA data, using a water filter in Oviedo is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Oviedo's tap water come from?
Oviedo's drinking water is sourced from groundwater and supplied by OVIEDO, CITY OF and 1 other water system(s). The system serves approximately 49,409 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Oviedo'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. Oviedo'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 Oviedo's water compare to other cities in Florida?
Oviedo's water quality score of 48/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Florida state page to see how all cities in the state compare.
What should I do if I'm concerned about Oviedo's water quality?
If you have concerns about Oviedo'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 (OVIEDO, 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.