Jea: Lofton Oaks Grid
EPA ID: FL2454338 · 24,318 people served · 54 ZIP codes
In the most recent five-year monitoring window, Jea: Lofton Oaks Grid posted zero EPA violations serving 24,318 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Jea: Lofton Oaks Grid Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Jea: Lofton Oaks Grid serves a community with a median household income of $69,742 and an estimated 1,025,508 residents across its service area. Approximately 51% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 38% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Jea: Lofton Oaks Grid's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 0% of homes in Nassau County, Florida rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 67th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 58 detections recorded.
Comparable Water Systems
Similar-sized systems in Florida
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Jea: Lofton Oaks Grid (EPA ID: FL2454338) is a community water system in Florida that serves approximately 24,318 people from groundwater sources.
This system provides water to 54 ZIP codes across 4 communities.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: 3 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 51 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
This system serves 54 ZIP codes:
32011 · 32034 · 32097 · 32099 · 32201 32202 · 32203 · 32204 · 32205 · 32206 32207 · 32208 · 32209 · 32210 · 32211 32212 · 32214 · 32215 · 32216 · 32217 32218 · 32219 · 32220 · 32221 · 32222 32223 · 32224 · 32225 · 32226 · 32227 32228 · 32229 · 32230 · 32231 · 32232 32234 · 32235 · 32236 · 32237 · 32238 32239 · 32241 · 32244 · 32245 · 32246 32247 · 32254 · 32255 · 32256 · 32257 32258 · 32260 · 32267 · 32277
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Jea: Lofton Oaks Grid (FL2454338) on EPA.gov.
Frequently Asked Questions
Is Jea: Lofton Oaks Grid water safe to drink?
Based on EPA records, Jea: Lofton Oaks Grid has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Jea: Lofton Oaks Grid serve?
Jea: Lofton Oaks Grid serves approximately 24,318 people across 54 ZIP codes in Florida.
Where does Jea: Lofton Oaks Grid get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: FDEP PWS Lead Service Line Inventories (LSLI) · Submitted 2025
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.