Skip to main content
LakeQuality

Lake Mann @ Boat Ramp

Orange County, FloridaView mapDirections

This is the name Florida DEP records for this water. It can describe one sampling location rather than the water as a whole.

Florida DEP publishes the water-quality measurements for Lake Mann @ Boat Ramp. Here is what has been measured.

Clarity
3.6 ft
Typical for Florida
Secchi · sampled 2020
Phosphorus
22 µg/L
Typical for Florida
Measured by Florida DEP
Water temp
~70°F
Typical for Dec · EPA WQP
Trend
Worsening
6 years of samples
  • Public access
  • Limited data

Lake Mann @ Boat Ramp in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.6 ft visibility. Phosphorus: 22 µg/L.

Loading map…

Lake Mann @ Boat Ramp is a lake in Orange County, Florida. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2020-07-01. Methodology: how these readings are compared.

What Lake Mann @ Boat Ramp is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lake Mann @ Boat Ramp 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.

Get alerts for Lake Mann @ Boat Ramp →

Water quality measurements for Lake Mann @ Boat Ramp

These are the measurements Florida DEP publishes for Lake Mann @ Boat Ramp, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Murky, only visible to about 3.6 ft. Phosphorus 22 µg/L. TSI 54.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)3.6ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus22µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

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.54Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Lake Mann @ Boat Ramp

Answers come straight from the public measurements and survey records on this page.

Water Temperature

Lake Mann @ Boat Ramp typically sits around 70°F at the surface in December. Summer average is about 88°F. Usually warmest in Jul (about 90°F) and coldest in Jan (about 66°F). These are typical values by month — not a live reading.

66°
Jan
Feb
72°
Mar
78°
Apr
81°
May
86°
Jun
90°
Jul
Aug
Sep
Oct
Nov
70°
Dec

Column height runs from this lake’s coldest month (66°F) to its warmest (90°F).

Typical surface water temperature by month, from 19 field readings (2020–2025) via the EPA Water Quality Portal. See the full Lake Mann @ Boat Ramp water temperature breakdown →

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Gilbert McQueen Park Boat RampPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Lake Mann @ Boat Ramp

Compare lakeside cabins, hotels, and vacation rentals near Lake Mann @ Boat Ramp in Orange 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 Lake Mann @ Boat Ramp

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 Lake Mann @ Boat Ramp’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Lake Mann @ Boat Ramp

Based on 6 years of monitoring (2020–2025).

  • Water clarity

    Worsening

    6 years

  • Phosphorus

    Worsening

    +14.69 µg/L/yr6 years

See year-by-year chart →

Nearby Lakes in Orange County

Frequently asked questions about Lake Mann @ Boat Ramp

Where is Lake Mann @ Boat Ramp?

Lake Mann @ Boat Ramp is in Orange County, Florida. This is the name Florida DEP records for this water. It can describe one sampling location rather than the water as a whole. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

What is the water quality of Lake Mann @ Boat Ramp?

Lake Mann @ Boat Ramp in Orange County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.6 ft visibility. Phosphorus: 22 µg/L.

Measurements on this page ↑

Is Lake Mann @ Boat Ramp safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Lake Mann @ Boat Ramp?

Lake Mann @ Boat Ramp typically sits around 70°F at the surface in December, from 19 EPA Water Quality Portal field readings (2020–2025). That is a typical value for the month, not a live reading.

Temp on this page ↑

Are there boat ramps on Lake Mann @ Boat Ramp?

Lake Mann @ Boat Ramp has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Gilbert McQueen Park Boat Ramp. Public access is listed as yes.

Access on this page ↑

Can I fish at Lake Mann @ Boat Ramp?

Lake Mann @ Boat Ramp has 1 documented boat landing in the USGS National Boat Ramps inventory. 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.

Access on this page ↑

Where this data comes from

2 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples2 samples · 2020
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

Named boat-access points from the USGS National Boat Ramps inventory