Little Red Fish Outlet Lake
Little Red Fish Outlet Lake in Walton County, Florida has a water quality grade of B (Good). Water clarity: 1.8 ft visibility. Phosphorus: 21 µg/L.
- Clarity
- 1.8 ft
- Typical in August
- 91°F
- Type
- Eutrophic
- Trend
- → Stable
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Little Red Fish Outlet Lake is a productive, nutrient-rich eutrophic lake in Walton County, Florida. Water quality is graded B based on 1 sampling years through 2024. Water clarity is declining over recent sampling years. Compared to the 83 other monitored lakes in Walton County, Little Red Fish Outlet Lake ranks #63 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-12-17. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLow algae
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)
Very murky, less than 1.8 ft of visibility. Phosphorus level: 21 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 ft | Not graded |
| Phosphorus | 21 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Little Red Fish Outlet Lake
Compare lakeside cabins, hotels, and vacation rentals near Little Red Fish Outlet Lake 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.
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Water Temperature
Little Red Fish Outlet Lake typically sits around 91°F at the surface in August. Summer average is about 90°F. Usually warmest in Aug (about 91°F) and coldest in Jan (about 64°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 206 field readings (2010–2025) via the EPA Water Quality Portal. See the full Little Red Fish Outlet Lake water temperature breakdown →
Fishing Little Red Fish Outlet Lake
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.12 m/yr | 5 |
| Phosphorus | ↑ Improving | -1.3 µg/L/yr | 5 |
EPA Impairment Status
Little Red Fish Outlet Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL959J · Official waterbody report · Matched by proximity (0.29 km)
County Ranking
Ranked #63 of 84 lakes in Walton County
Nearby Lakes in Walton County
Frequently asked questions about Little Red Fish Outlet Lake
Where is Little Red Fish Outlet Lake?
- Little Red Fish Outlet Lake is a lake in Walton County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Little Red Fish Outlet Lake?
- Little Red Fish Outlet Lake in Walton County, Florida has a water quality grade of B (Good). Water clarity: 1.8 ft visibility. Phosphorus: 21 µg/L.
Is Little Red Fish Outlet Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Little Red Fish Outlet Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
What is the water temperature of Little Red Fish Outlet Lake?
- Little Red Fish Outlet Lake typically sits around 91°F at the surface in August, from 206 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
Explore Little Red Fish Outlet Lake across LakeQuality
More Florida Lake Rankings
Other Grade B Lakes in Florida
Eutrophic Lakes in Florida
Where this data comes from
100 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- CHOCTAWHATCHEE BASIN ALLIANCE
21FLCBA_WQX100 samples · 2020–2024
Monitoring station identifiers (1)
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