Darkwater Lake
Putnam County, FloridaView mapDirections
No nutrient or algae sampling on record from Florida DEP for this lake.
- 50 ft max depth
- Limited data
Darkwater Lake in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Darkwater Lake is a lake in Putnam County, Florida with an estimated average depth of about 50 feet.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-11-07. 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 Darkwater 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 Darkwater Lake
These are the measurements Florida DEP publishes for Darkwater 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 Darkwater Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~50 ft est.
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Darkwater Lake.
Lake Size & Watershed
Watershed (drainage) area
1 sq mi
HydroLAKES / HydroSHEDS
Surface area
62 acres
HydroLAKES / HydroSHEDS
Shoreline
1.2 mi
HydroLAKES / HydroSHEDS
Elevation
89 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Stays via Stay22
Stays near Darkwater Lake
Compare lakeside cabins, hotels, and vacation rentals near Darkwater Lake in Putnam 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 Darkwater Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Florida’s top lakes →
Follow Darkwater Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Darkwater Lake
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Darkwater Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Edgar Minerals, Inc.Edgar · 0.9 mi away · NPDES FL0028525Recent 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 Putnam County
Frequently asked questions about Darkwater Lake
Where is Darkwater Lake?
- Darkwater Lake is a lake in Putnam County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Darkwater Lake?
- Darkwater Lake in Putnam County, Florida has water-quality measurements published by Florida DEP, shown here as reported.
Is Darkwater Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Darkwater Lake?
- No published bathymetric survey covers Darkwater Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 50 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Explore Darkwater Lake across LakeQuality
More lakes in Florida
Other Lakes in Florida
Where this data comes from
2 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FL Dept. of Environmental Protection, Northeast District
21FLA_WQX2 samples · 2023
Monitoring station identifiers (1)
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)
Lake size & watershed from HydroLAKES (HydroSHEDS)