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LakeQuality

Todd Lake

B
Grade B — Good
Good · #20 of 32 lakes in the county · 7.5 ft clear · Mesotrophic
Mesotrophic

Todd Lake in Citrus County, Florida has a water quality grade of B (Good). Water clarity: 7.5 ft visibility. Phosphorus: 13 µg/L.

Clarity
7.5 ft
Typical in August
87°F
Max depth
~27 ft est.
Type
Mesotrophic
Trend
Declining

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Todd Lake is a mesotrophic lake in Citrus County, Florida with an estimated average depth of about 27 feet. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 31 other monitored lakes in Citrus County, Todd Lake ranks #20 for water quality.

Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-11. Grade methodology: LakeQuality methodology.

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Swimming Safety

Grade only

Low 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

Get alerts for Todd Lake

Water Quality Grade: B (Good)

Moderate clarity, visible to about 7.5 ft. Phosphorus level: 13 µg/L. Trophic State Index: 45.

MetricValueGrade
Water Clarity (Secchi Depth)7.5 ftNot graded
Phosphorus13 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)45Mesotrophic

Moderate nutrients, good water quality

Where to stay near Todd Lake

Compare lakeside cabins, hotels, and vacation rentals near Todd Lake in Citrus 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 Todd Lake

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 →

Water Temperature

Todd Lake typically sits around 87°F at the surface in August. Summer average is about 86°F. Usually warmest in Aug (about 87°F) and coldest in Feb (about 59°F). These are typical values by month — not a live reading.

Jan
Feb
59°
Mar
68°
Apr
74°
May
Jun
85°
Jul
Aug
87°
Sep
83°
Oct
75°
Nov
Dec
63°

Typical surface water temperature by month, from 149 field readings (20102025) via the EPA Water Quality Portal. See the full Todd Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth~27 ft est.
Average Depth~8 ft est.

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Florida has not published bathymetry for Todd Lake.

Lake Size & Watershed

Watershed (drainage) area
3 sq mi
Surface area
121 acres
Shoreline
2.9 mi
Elevation
30 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.

Fishing Todd Lake

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.495 m/yr3
Phosphorus Declining+0.7 µg/L/yr5
See year-by-year chart →

EPA Impairment Status

Todd Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit FL1340H · Official waterbody report · Matched by proximity (2.38 km)

County Ranking

Ranked #20 of 32 lakes in Citrus County

Nearby Lakes in Citrus County

Frequently asked questions about Todd Lake

Where is Todd Lake?

Todd Lake is a lake in Citrus County, Florida. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Todd Lake?

Todd Lake in Citrus County, Florida has a water quality grade of B (Good). Water clarity: 7.5 ft visibility. Phosphorus: 13 µg/L.

Is Todd Lake safe to swim in?

Good for swimming, clear water with low algae levels. Todd Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.

What is the water temperature of Todd Lake?

Todd Lake typically sits around 87°F at the surface in August, from 149 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

How deep is Todd Lake?

No published bathymetric survey covers Todd Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 27 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

Where this data comes from

33 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Submitting organization not recorded for these samples33 samples · 2020–2025
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

Lake size & watershed from HydroLAKES (HydroSHEDS)