Lake Marian Pavilion
Osceola County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Marian Pavilion. Here is what has been measured.
- Hypereutrophic
- Impaired · Algal growth
- Public access
- Limited data
Lake Marian Pavilion in Osceola County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 0.8 ft visibility. Phosphorus: 185 µg/L.
Lake Marian Pavilion is a highly nutrient-loaded hypereutrophic lake in Osceola 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. Compared to the 30 other monitored lakes in Osceola County, Lake Marian Pavilion ranks #31 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2022-10-31. Methodology: how these readings are compared.
What Lake Marian Pavilion is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyRecreation use not supported
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. Lake Marian Pavilion is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.
Whether Lake Marian Pavilion 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 Lake Marian Pavilion
These are the measurements Florida DEP publishes for Lake Marian Pavilion, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 0.8 ft of visibility. Phosphorus 185 µg/L. TSI 80.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.8ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 185µg/L | Poor 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. | 80 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Lake Marian Pavilion
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Marian Pavilion typically sits around 76°F at the surface in October. Summer average is about 85°F. Usually warmest in Jul (about 86°F) and coldest in Jan (about 66°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (66°F) to its warmest (86°F).
Typical surface water temperature by month, from 63 field readings (2022–2025) via the EPA Water Quality Portal. See the full Lake Marian Pavilion water temperature breakdown →
Recreation & Access
- Lake Marian Public Boat Ramp (Fred's Fish Camp)Public
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 Marian Pavilion
Compare lakeside cabins, hotels, and vacation rentals near Lake Marian Pavilion in Osceola 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Marian Pavilion are listed below.
Top-rated places to stay near Lake Marian Pavilion
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 →
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Fishing Lake Marian Pavilion
Water Quality Trend: Worsening
Based on 4 years of monitoring (2022–2025).
Water clarity
Stable4 years
Phosphorus
Worsening+4 µg/L/yr4 years
EPA Impairment Status
Lake Marian Pavilion is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL3184 · Official waterbody report
Nearby Lakes in Osceola County
Frequently asked questions about Lake Marian Pavilion
Where is Lake Marian Pavilion?
- Lake Marian Pavilion is a lake in Osceola County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake Marian Pavilion?
- Lake Marian Pavilion in Osceola County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 0.8 ft visibility. Phosphorus: 185 µg/L.
Is Lake Marian Pavilion safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Marian Pavilion is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen), pH / acidity. Check local advisories before you swim.
What is the water temperature of Lake Marian Pavilion?
- Lake Marian Pavilion typically sits around 76°F at the surface in October, from 63 EPA Water Quality Portal field readings (2022–2025). That is a typical value for the month, not a live reading.
Are there boat ramps on Lake Marian Pavilion?
- Lake Marian Pavilion has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Marian Public Boat Ramp (Fred's Fish Camp). Public access is listed as yes.
Can I fish at Lake Marian Pavilion?
- Lake Marian Pavilion 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.
Explore Lake Marian Pavilion across LakeQuality
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Where this data comes from
18 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples18 samples · 2022
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
Impairment status from EPA ATTAINS 303(d) database
Named boat-access points from the USGS National Boat Ramps inventory