Local Water Quality
PFAS Forever Chemicals in Orlando, FL: What OUC and Orange County Residents Need to Know
Orlando is Central Florida's economic engine — a city of theme parks and tech corridors, of international tourism and local families building lives in new neighborhoods. It's also a city with a complex water supply picture, and PFAS contamination — the class of synthetic chemicals known as "forever chemicals" — has become a concern that Orlando homeowners are increasingly taking seriously. Here's what the evidence actually shows and what it means for your household.
Orlando's Water: OUC and Orange County Utilities
Orlando proper is served by the Orlando Utilities Commission (OUC), which draws from an extensive Floridan Aquifer wellfield network across Orange County. Surrounding communities are served by Orange County Utilities, operating similar infrastructure. Both utilities draw from the same geological formation — the Floridan Aquifer — and face similar source water quality characteristics.
OUC water in Orlando typically carries hardness of 10 to 16 GPG — firmly in the hard range — along with the Floridan Aquifer's characteristic sulfur notes in some wellfield zones (particularly in areas where hydrogen sulfide is present in deeper aquifer zones). OUC uses a chloramine disinfection system for distribution, which is effective for bacterial safety but generates regulated disinfection byproducts.
PFAS Sources of Significance to Orlando
Several PFAS input pathways are relevant to the Orlando area:
Orlando International Airport: One of the busiest airports in the United States, OIA has historically used AFFF (aqueous film-forming foam) for fire training and emergency response. Airport AFFF use is one of the most well-documented PFAS contamination sources nationally. The Florida Department of Environmental Protection has conducted monitoring in airport-adjacent groundwater zones, and PFAS contamination has been documented near major Florida airports.
Naval Training Center Orlando (historical): The former NTC Orlando site, now redeveloped as a mixed-use community, housed military operations with significant AFFF use. Historical PFAS contamination from former military sites can persist in soil and groundwater for decades after operations cease. The Orlando Health complex and surrounding areas occupy land with this historical context.
Central Florida's industrial corridor: The I-4 and SR-528 industrial areas include manufacturing operations, industrial parks, and commercial facilities with potential PFAS use histories. Stormwater and shallow groundwater from these zones contribute to the broader groundwater quality picture.
Theme park and hospitality operations: Large theme park and resort operations use PFAS-containing materials (firefighting systems, food packaging, outdoor furniture coatings) and generate significant commercial wastewater. The concentration of these operations in the Orlando market is unique nationally.
OUC's PFAS Monitoring
OUC participated in EPA's UCMR5 PFAS monitoring program, testing for 29 individual PFAS compounds. Data from this monitoring is available through EPA's public database. The results showed detectable levels of certain PFAS compounds in portions of the OUC system at levels that have been reported to be below the new 2024 EPA MCLs for the primary regulated compounds (PFOA, PFOS, PFNA, PFHxS, HFPO-DA, and PFBS).
Compliance with the new MCLs — which OUC and Orange County Utilities will be required to achieve within the implementation timeline — will likely require additional treatment investment. In the interim, households with concerns about PFAS exposure have point-of-use options available now.
The Tourism Economy Variable
Orlando's transient population — millions of hotel guests passing through annually — doesn't typically worry about long-term PFAS exposure from a week-long visit. But the 300,000+ permanent residents of the City of Orlando, and the 1.4 million people in Orange County, have years and decades of exposure to consider. The long-term bioaccumulation model for PFAS means that the question of what's in Orlando's tap water matters most for the people who drink it every day for years.
Protecting Your Orlando Home from PFAS
The most effective point-of-use solution for PFAS removal in an Orlando home is a certified reverse osmosis system. RO membrane technology achieves 95-99%+ rejection of PFOA, PFOS, and most other regulated and emerging PFAS compounds. For a city where the municipal utility uses chloramines (which means RO pre-filtration with activated carbon is standard practice anyway), the RO system architecture naturally incorporates the activated carbon stage that also provides a first pass at PFAS reduction before the membrane.
Key features for an Orlando RO system addressing PFAS:
- NSF/ANSI P473 certification for PFAS-specific performance validation
- High-capacity carbon block pre-filtration (particularly important given OUC's chloramine system)
- Dedicated kitchen faucet with refrigerator ice maker connection optional
- Regular membrane testing annually via TDS meter to verify ongoing performance
The Practical Bottom Line
Orlando's OUC provides safe, compliant water that meets current federal standards. PFAS at detectable levels below the new MCLs is the reality — consistent with virtually every water system in the U.S. that has been comprehensively tested. For Orlando homeowners who want to reduce their family's PFAS exposure below whatever the utility delivers, a point-of-use reverse osmosis system is the most effective, accessible, and independently verifiable solution available. It also addresses Orlando's hard water, chloramine chemistry, and DBP burden simultaneously — making it a comprehensive upgrade to the drinking water experience.