Is Oviedo, FL tap water safe?

Data: U.S. EPA · How we read the data · How we check it

No federal limits exceeded in EPA data for Seminole County Southeast.

5 public water systems serve parts of Oviedo. The largest, Seminole County Southeast, serves 70,040 people. Your water bill names your system.

Largest system

Seminole County Southeast

70,040 people · Groundwater · EPA ID FL3590571

Buys treated water from City of Casselberry.

PFAS	Highest average	Limit	Status
PFOA Not detected	–	4 ppt	Not detected
PFOS Not detected	–	4 ppt	Not detected
PFHxS Not detected	–	10 ppt	Not detected
PFNA Not detected	–	10 ppt	Not detected
HFPO-DA (GenX) Not detected	–	10 ppt	Not detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 1.2 ppb at the 90th percentile (Dec 2023, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Full Seminole County Southeast results

Across Florida, 124 of 394 water systems EPA tested had PFAS above a 2024 federal limit, and 4 systems were above the lead action level in results from the last five years. Florida results.

Oviedo homes and lead pipes

of homes built before 1980 (Florida 34%, US 50%)

built before 1950 (Florida 4%)

23%

of households rent (Florida 32%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Oviedo city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Oviedo

City of Oviedo
47,933 people · Groundwater · Florida · lists this city
No PFAS above limits
Palm Valley Mobile Home Park Water System
1,476 people · Groundwater · Florida · lists this city
Total trihalomethanes (TTHM) violations
Oviedo Marketplace Water System
689 people · Purchased groundwater · Florida · lists this city
Not in EPA's PFAS sample
Dovera Water System
96 people · Purchased groundwater · Florida · lists this city
Total trihalomethanes (TTHM) violation

How nearby cities compare

City	Main water system	PFAS	Lead (90th pct.)
Winter Springs 5 mi Seminole County Southeast	Seminole County Southeast	None above limits	1.2 ppb
Casselberry 8 mi Seminole County Southeast	Seminole County Southeast	None above limits	1.2 ppb
Sanford 10 mi City of Sanford	City of Sanford	None above limits	0.8 ppb
Winter Park 11 mi City of Winter Park	City of Winter Park	None above limits	1.4 ppb
Altamonte Springs 13 mi Seminole County Southeast	Seminole County Southeast	None above limits	1.2 ppb
Deltona 17 mi Deltona Water	Deltona Water	Above limit	0 ppb

Oviedo ZIP codes (1)

32765

Questions

Is Oviedo tap water safe to drink?

Seminole County Southeast has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Oviedo, FL?

5 public water systems serve parts of Oviedo. The largest is Seminole County Southeast (70,040 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Oviedo tap water have PFAS?

None detected above EPA's reporting limits. Seminole County Southeast had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do Oviedo homes have lead pipes?

Census estimates put 8% of Oviedo homes as built before 1980 (Florida: 34%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Seminole County Southeast's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.