Clay-Foxvalley Lake
Clay County, FloridaView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- Limited data
Clay-Foxvalley Lake in Clay County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Clay-Foxvalley Lake is a lake in Clay County, Florida. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-15. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Clay-Foxvalley Lake is safe to swim in today is a call for the Florida Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Clay-Foxvalley Lake
These are the measurements Florida DEP publishes for Clay-Foxvalley Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Clay-Foxvalley Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Clay-Foxvalley Lake
Compare lakeside cabins, hotels, and vacation rentals near Clay-Foxvalley Lake in Clay County, Florida — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Clay-Foxvalley Lake
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Fishing Clay-Foxvalley Lake
Water quality readings over time
3 seasons of samples on record (2021–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Improving-2.64 µg/L/yr3 years
Regulated Pollution Sources Nearby
4 EPA-permitted facilities operate within about 5 miles of Clay-Foxvalley Lake under Clean Water Act (NPDES) discharge permits, including 4 classified by the EPA as major dischargers. 4 facilities have a reported Clean Water Act violation in the past three years.
- Miller Street WwtfOrange Park · 2 mi away · NPDES FL0025151MajorRecent violation
- Orange Park WwtfOrange Park · 2.3 mi away · NPDES FL0023922MajorRecent violation
- Spencer'S Crossing WwtfOrange Park · 4.2 mi away · NPDES FL0173371MajorRecent violation
- Southwest District WwtfJacksonville · 5 mi away · NPDES FL0026468MajorRecent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Clay County
Frequently asked questions about Clay-Foxvalley Lake
Where is Clay-Foxvalley Lake?
- Clay-Foxvalley Lake is a lake in Clay County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Clay-Foxvalley Lake?
- Clay-Foxvalley Lake in Clay County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Is Clay-Foxvalley Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Clay-Foxvalley Lake across LakeQuality
Planning a trip around Castillo de San Marcos?
Clay-Foxvalley Lake is about 31 miles from Castillo de San Marcos National Monument. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Castillo de San Marcos →More lakes in Florida
Other Lakes in Florida
Where this data comes from
10 measurements from 2 monitoring stations, 2024–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX10 samples · 2024–2025
Monitoring station identifiers (2)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)