Clay-Asbury North Lake
Clay County, Florida110 acresView mapDirections
Florida DEP publishes the water-quality measurements for Clay-Asbury North Lake. Here is what has been measured.
- Mesotrophic
- Public access
Clay-Asbury North Lake in Clay County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 9.3 ft visibility. Phosphorus: 18 µg/L. Surface area: 110 acres.
Clay-Asbury North Lake is a 110-acre mesotrophic lake in Clay County, Florida. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 16 other monitored lakes in Clay County, Clay-Asbury North Lake ranks #9 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-11-30. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Clay-Asbury North 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-Asbury North Lake
These are the measurements Florida DEP publishes for Clay-Asbury North Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 9.3 ft. Phosphorus 18 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 9.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 18µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Clay-Asbury North Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
110 acres
Public access
Yes
Listed by Florida DEP
No bathymetric survey has been published for Clay-Asbury North Lake, so its depth is not documented here.
Stays via Stay22
Stays near Clay-Asbury North Lake
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Fishing Clay-Asbury North Lake
Water quality readings over time
3 seasons of samples on record (2022–2024). Calling a direction takes at least 4 years of the same measurement.
Water clarity
Improving3 years
Phosphorus
Improving-1.75 µg/L/yr3 years
Reservoir Info (USACE NID)
Clay-Asbury North Lake is a man-made reservoir impounded by the Lake Asbury Dam (completed 1965), built primarily for recreation on the Tr-Black Creek; earth-type dam, 31 ft tall and 1,600 ft long.
- Surface area
- 110 ac
- Normal storage
- 1,220 ac-ft
- Max storage
- 1,670 ac-ft
- Drainage area
- 0 sq mi
- Hazard class
- High
- Owner
- LAKE ASBURY MUNICIPAL SERVICES BENEFIT DISTRICT (LAMSBD)
All listed purposes: Recreation;Other.
Source: USACE National Inventory of Dams, NID ID FL00150 · Operator website · Matched by proximity (0.48 km)
Nearby Lakes in Clay County
Frequently asked questions about Clay-Asbury North Lake
Where is Clay-Asbury North Lake?
- Clay-Asbury North 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-Asbury North Lake?
- Clay-Asbury North Lake in Clay County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 9.3 ft visibility. Phosphorus: 18 µg/L. Surface area: 110 acres.
Is Clay-Asbury North Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Clay-Asbury North Lake?
- Public access to Clay-Asbury North Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
Explore Clay-Asbury North Lake across LakeQuality
Planning a trip around Castillo de San Marcos?
Clay-Asbury North Lake is about 32 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
Mesotrophic Lakes in Florida
Where this data comes from
192 measurements from 3 monitoring stations, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX192 samples · 2021–2024
Monitoring station identifiers (3)
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.