Big Red Fish Lake Roadside
Walton County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Big Red Fish Lake Roadside. Here is what has been measured.
- Eutrophic
Big Red Fish Lake Roadside in Walton County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.4 ft visibility. Phosphorus: 18 µg/L.
Big Red Fish Lake Roadside is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Overall water quality is improving over recent sampling years. Compared to the 83 other monitored lakes in Walton County, Big Red Fish Lake Roadside ranks #56 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-02-12. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
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 Big Red Fish Lake Roadside 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 Big Red Fish Lake Roadside
These are the measurements Florida DEP publishes for Big Red Fish Lake Roadside, 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 3.4 ft. Phosphorus 18 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.4ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 18µg/L | Good 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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Big Red Fish Lake Roadside
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Big Red Fish Lake Roadside typically sits around 77°F at the surface in October. Summer average is about 88°F. Usually warmest in Jul (about 89°F) and coldest in Jan (about 64°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (64°F) to its warmest (89°F).
Typical surface water temperature by month, from 373 field readings (2010–2025) via the EPA Water Quality Portal. See the full Big Red Fish Lake Roadside water temperature breakdown →
Stays via Stay22
Stays near Big Red Fish Lake Roadside
Compare lakeside cabins, hotels, and vacation rentals near Big Red Fish Lake Roadside in Walton 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 Big Red Fish Lake Roadside
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 Big Red Fish Lake Roadside’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Big Red Fish Lake Roadside
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Stable5 years
Phosphorus
Improving-2.2 µg/L/yr5 years
Nearby Lakes in Walton County
Frequently asked questions about Big Red Fish Lake Roadside
Where is Big Red Fish Lake Roadside?
- Big Red Fish Lake Roadside is a lake in Walton County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Big Red Fish Lake Roadside?
- Big Red Fish Lake Roadside in Walton County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 3.4 ft visibility. Phosphorus: 18 µg/L.
Is Big Red Fish Lake Roadside safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Big Red Fish Lake Roadside?
- Big Red Fish Lake Roadside typically sits around 77°F at the surface in October, from 373 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Explore Big Red Fish Lake Roadside across LakeQuality
More lakes in Florida
Other Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
121 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- CHOCTAWHATCHEE BASIN ALLIANCE
21FLCBA_WQX121 samples · 2020–2025
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.