Skip to main content
LakeQuality

Garden Lake Outflow

Seminole County, FloridaView mapDirections

Florida DEP publishes the water-quality measurements for Garden Lake Outflow. Here is what has been measured.

Phosphorus
34 µg/L
Typical for Florida
Measured by Florida DEP
Water temp
~84°F
Typical for Sep · EPA WQP
Type
Eutrophic
Trophic class
Trend
Stable
6 years of samples
  • Eutrophic
  • Limited data

Garden Lake Outflow in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 34 µg/L.

Loading map…

Garden Lake Outflow is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Water clarity is declining over recent sampling years. Compared to the 121 other monitored lakes in Seminole County, Garden Lake Outflow ranks #94 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2021-07-15. Methodology: how these readings are compared.

Swimming conditions

Readings only

Limited data

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 Garden Lake Outflow 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 Garden Lake Outflow →

Water quality measurements for Garden Lake Outflow

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

No clarity data. Phosphorus 34 µg/L. TSI 55.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

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

Total phosphorus34µg/LGood
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.55Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Garden Lake Outflow

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

Water Temperature

Garden Lake Outflow typically sits around 84°F at the surface in September. Summer average is about 91°F. Usually warmest in Jun (about 95°F) and coldest in Jan (about 64°F). These are typical values by month — not a live reading.

64°
Jan
Feb
71°
Mar
Apr
May
95°
Jun
89°
Jul
88°
Aug
84°
Sep
Oct
71°
Nov
67°
Dec

Column height runs from this lake’s coldest month (64°F) to its warmest (95°F).

Typical surface water temperature by month, from 21 field readings (2018–2021) via the EPA Water Quality Portal. See the full Garden Lake Outflow water temperature breakdown →

Stays via Stay22

Stays near Garden Lake Outflow

Compare lakeside cabins, hotels, and vacation rentals near Garden Lake Outflow in Seminole 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 Garden Lake Outflow

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 Garden Lake Outflow’s readings

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


Or email

Fishing Garden Lake Outflow

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

  • Water clarity

    Worsening

    6 years

  • Phosphorus

    Improving

    -3.06 µg/L/yr6 years

See year-by-year chart →

Nearby Lakes in Seminole County

Frequently asked questions about Garden Lake Outflow

Where is Garden Lake Outflow?

Garden Lake Outflow is a lake in Seminole County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.

What is the water quality of Garden Lake Outflow?

Garden Lake Outflow in Seminole County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 34 µg/L.

Measurements on this page ↑

Is Garden Lake Outflow 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 Garden Lake Outflow?

Garden Lake Outflow typically sits around 84°F at the surface in September, from 21 EPA Water Quality Portal field readings (2018–2021). That is a typical value for the month, not a live reading.

Temp on this page ↑

Planning a trip around Canaveral?

Garden Lake Outflow is about 34 miles from Canaveral National Seashore. 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 Canaveral →

Where this data comes from

8 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples8 samples · 2020–2021
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.