Local Water Quality
PFAS Forever Chemicals in Brandon, FL: What Hillsborough County's Fastest-Growing Community Needs to Know
Brandon has grown faster than almost anywhere else in the Tampa Bay region over the past three decades — a suburban expansion story driven by proximity to Tampa, relatively affordable housing, and good schools. That growth has brought new residents who are increasingly asking questions about what's in their water. PFAS — per- and polyfluoroalkyl substances — is one of those questions, and it deserves a straight answer.
Brandon's Water: HCPU and Hillsborough County
Brandon is an unincorporated community served primarily by Hillsborough County Public Utilities (HCPU), which operates one of the largest utility systems in the state. HCPU draws from multiple Floridan Aquifer wellfields across Hillsborough County, supplementing with treated surface water from Tampa Bay Water's regional supply during high demand periods.
HCPU water in the Brandon service area carries characteristic Floridan Aquifer hardness: 12 to 20 GPG in most Brandon neighborhoods. Disinfection uses chloramines throughout the distribution system. Brandon's large, spread-out infrastructure means water spends varying amounts of time in distribution lines depending on where in the service area you live — homes at the far ends of branch lines may see higher disinfection byproduct formation from increased water age.
PFAS Sources in the Brandon / Hillsborough Corridor
Brandon's specific geographic position creates several potential PFAS loading factors:
MacDill Air Force Base: MacDill AFB, located in south Tampa approximately 15 miles west of Brandon, is one of the most significant identified PFAS point sources in the Tampa Bay area. The base has used AFFF (aqueous film-forming foam) extensively since the 1970s, and PFAS contamination in the groundwater surrounding the base has been documented through Air Force environmental investigations. While Brandon's wellfields are not in direct hydrogeological connection with the MacDill plume, the broader Hillsborough County groundwater system has been subject to regional PFAS monitoring as a result of MacDill's contamination history.
Brandon's commercial corridor: The State Road 60 and US-301 commercial corridors running through Brandon include automotive services, industrial parks, and commercial operations with historical chemical use. Stormwater from these areas feeds into the Brandon-area drainage system and ultimately the surficial groundwater.
Regional surface water contributions: Tampa Bay Water's regional supply system, which includes treated water from the Hillsborough River and Tampa Bay desalination plant, carries diffuse PFAS from the broader Tampa Bay watershed. When HCPU supplements with regional surface water, those diffuse PFAS contributions enter the Brandon distribution network.
HCPU's PFAS Monitoring Results
Under EPA's UCMR5 program, HCPU (serving Brandon) has been required to test for 29 PFAS compounds. The results have been posted to EPA's public data portal. HCPU has reported detectable levels of certain PFAS compounds — most notably compounds associated with the broader regional contamination picture — at concentrations generally below the new EPA MCLs that took effect in 2024.
The regulatory status matters for compliance purposes. The scientific reality is that the EPA's new standards themselves represent a downward revision of acceptable PFAS exposure, and research continues to suggest that risks exist at concentrations near the detection limit. Households with pregnant women, nursing mothers, infants, and immunocompromised individuals have reason to pursue maximum available reduction regardless of regulatory compliance status.
Point-of-Use PFAS Filtration for Brandon Homes
For a Brandon household wanting to minimize PFAS exposure in drinking and cooking water, an under-sink reverse osmosis system is the most effective solution. Key specifications to look for:
- NSF/ANSI P473 certification — specifically validates PFOA and PFOS removal performance
- NSF/ANSI 58 certification — the broader standard for RO systems that includes contaminant reduction validation
- Activated carbon pre-filtration — essential for chloramine removal (protecting the membrane) and providing additional PFAS adsorption pre-treatment
- 5-stage configuration — sediment, carbon block, RO membrane, post-carbon, and optionally remineralization
Brandon's large lot sizes mean some homes have extended under-sink cabinet space that can accommodate larger-tank RO systems with higher daily output — important for families with higher water consumption for cooking, pets, and baby formula preparation.
Addressing Brandon's Broader Water Quality Profile
PFAS is one dimension of Brandon's water quality picture. The same under-sink RO system that addresses PFAS also handles:
- The 12-20 GPG hardness that scales appliances and affects cooking water taste
- Chloramine disinfection chemistry and associated DBP byproducts
- Nitrates from the regional agricultural groundwater contributions
- Any trace heavy metals from aging service connections in older Brandon neighborhoods
This multi-contaminant effectiveness is one of the reasons RO has become the dominant residential water purification technology for Florida suburban homes — it addresses the complex, multi-parameter nature of Florida water quality challenges in a single integrated system.