Duv-Queensharlag Lake
Duv-Queensharlag Lake in Duval County, Florida has a water quality grade of B (Good). Water clarity: 5.3 ft visibility. Phosphorus: 27 µg/L.
- Clarity
- 5.3 ft
- Type
- Eutrophic
- Public access
- Yes
Next lake in Duval County
Swipe left or right on this bar to open the next or previous lake.
Duv-Queensharlag Lake is a productive, nutrient-rich eutrophic lake in Duval County, Florida. Water quality is graded B based on 1 sampling years through 2021. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 2 other monitored lakes in Duval County, Duv-Queensharlag Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-07-12. Grade methodology: LakeQuality methodology.
Watch Duv-Queensharlag Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Good for swimming, clear water with low algae levels
Water Quality Grade: B (Good)
Murky, only visible to about 5.3 ft. Phosphorus level: 27 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.3 ft | Not graded |
| Phosphorus | 27 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Duv-Queensharlag Lake
Compare lakeside cabins, hotels, and vacation rentals near Duv-Queensharlag Lake in Duval 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 Duv-Queensharlag Lake
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 →
Recreation & Access
- Oak Harbor Boat RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Duv-Queensharlag Lake
EPA Impairment Status
Duv-Queensharlag Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL2240A · Official waterbody report · Matched by proximity (1.05 km)
Regulated Pollution Sources Nearby
9 EPA-permitted facilities operate within about 5 miles of Duv-Queensharlag Lake under Clean Water Act (NPDES) discharge permits, including 6 classified by the EPA as major dischargers. 4 facilities have a reported Clean Water Act violation in the past three years.
- Atlantic Beach WwtfAtlantic Beach · 2.4 mi away · NPDES FL0038776MajorRecent violation
- Neptune Beach WwtfNeptune Beach · 2.5 mi away · NPDES FL0020427MajorRecent violation
- Awms Llc Mayport Naval Station WwtfMayport · 4.4 mi away · NPDES FL0000922MajorRecent violation
- Atlantic Beach, City OfAtlantic Beach · 2.4 mi away · NPDES FLS266183Major
- Neptune Beach, City OfNeptune Beach · 2.6 mi away · NPDES FLS648019Major
- Buccaneer WwtfJacksonville · 2.8 mi away · NPDES FL0023248Major
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.
County Ranking
Ranked #2 of 3 lakes in Duval County
Nearby Lakes in Duval County
Frequently asked questions about Duv-Queensharlag Lake
Where is Duv-Queensharlag Lake?
- Duv-Queensharlag Lake is a lake in Duval County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Duv-Queensharlag Lake?
- Duv-Queensharlag Lake in Duval County, Florida has a water quality grade of B (Good). Water clarity: 5.3 ft visibility. Phosphorus: 27 µg/L.
Is Duv-Queensharlag Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Duv-Queensharlag Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
Are there boat ramps on Duv-Queensharlag Lake?
- Duv-Queensharlag Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Oak Harbor Boat Ramp. Public access is listed as yes.
Explore Duv-Queensharlag Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
12 measurements from 3 monitoring stations, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- FLORIDA LAKEWATCH
21FLKWAT_WQX12 samples · 2021
Monitoring station identifiers (3)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Named boat-access points from the USGS National Boat Ramps inventory