Tributary To Myakka Lake
Tributary To Myakka Lake in Charlotte County, Florida has a water quality grade of C (Fair). Phosphorus: 45 µg/L.
- Typical in August
- 84°F
- Type
- Eutrophic
- Trend
- ↓ Declining
- Public access
- Yes
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Tributary To Myakka Lake is a productive, nutrient-rich eutrophic lake in Charlotte County, Florida. Water quality is graded C based on 1 sampling years through 2025. 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 14 other monitored lakes in Charlotte County, Tributary To Myakka Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2025-03-19. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyBacteria C · advisory
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.
Based on E. coli testing, Tributary To Myakka Lake occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 6.5% of 31 samples across 4 seasons.
This is a historical summary of past testing, not a current condition — bacteria levels change quickly, especially after rain. Always check Florida’s current beach and health-department advisories before swimming.
Water Quality Grade: C (Fair)
No clarity data. Phosphorus level: 45 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 45 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Tributary To Myakka Lake
Compare lakeside cabins, hotels, and vacation rentals near Tributary To Myakka Lake in Charlotte 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 Tributary To Myakka Lake
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Water Temperature
Tributary To Myakka Lake typically sits around 84°F at the surface in August. Summer average is about 84°F. Usually warmest in Jul (about 85°F) and coldest in Jan (about 59°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 36 field readings (2022–2025) via the EPA Water Quality Portal. See the full Tributary To Myakka Lake water temperature breakdown →
Recreation & Access
- El Jobean Park Public Boat RampPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Tributary To Myakka Lake
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↓ Declining | +72.5 µg/L/yr | 3 |
EPA Impairment Status
Tributary To Myakka 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 FL2053 · Official waterbody report · Matched by proximity (2.68 km)
County Ranking
Ranked #4 of 15 lakes in Charlotte County
Nearby Lakes With Higher Grades
Tributary To Myakka Lake holds Grade C. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Charlotte County
Frequently asked questions about Tributary To Myakka Lake
Where is Tributary To Myakka Lake?
- Tributary To Myakka Lake is a lake in Charlotte County, Florida. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Tributary To Myakka Lake?
- Tributary To Myakka Lake in Charlotte County, Florida has a water quality grade of C (Fair). Phosphorus: 45 µg/L.
Is Tributary To Myakka Lake safe to swim in?
- Based on E. coli testing, Tributary To Myakka Lake occasionally exceeded the EPA safe-swimming threshold (235 MPN/100mL) — on 6.5% of 31 samples across 4 seasons. That works out to a bacteria swim-safety grade of C — a historical summary of past testing, not a current reading. Tributary To Myakka Lake has a water quality grade of C (Fair). Bacteria levels can spike quickly after heavy rain, so always check Florida's current beach and health-department advisories before you swim.
What is the water temperature of Tributary To Myakka Lake?
- Tributary To Myakka Lake typically sits around 84°F at the surface in August, from 36 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 Tributary To Myakka Lake?
- Tributary To Myakka Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include El Jobean Park Public Boat Ramp. Public access is listed as yes.
Explore Tributary To Myakka Lake across LakeQuality
2 thermal springs within 6.1 mi, nearest Warm Mineral Springs (Big Salt Spr)
Species activity outlook by water temperature and season
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High nutrients, frequent algae, reduced clarity
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Where this data comes from
32 measurements from 1 monitoring station, 2022–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples32 samples · 2022–2025
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
Named boat-access points from the USGS National Boat Ramps inventory