Lake Trafford
Collier County, FloridaView mapDirections
Florida DEP publishes the water-quality measurements for Lake Trafford. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
- Limited data
Lake Trafford in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 62 µg/L.
Lake Trafford is a productive, nutrient-rich eutrophic lake in Collier County, Florida. Overall water quality is improving over recent sampling years. Compared to the 16 other monitored lakes in Collier County, Lake Trafford ranks #17 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2024-06-06. Methodology: how these readings are compared.
Swimming conditions
Readings onlyRecreation use not supported
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. Lake Trafford is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lake Trafford 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 Lake Trafford
These are the measurements Florida DEP publishes for Lake Trafford, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.6 ft of visibility. Phosphorus 62 µg/L. TSI 67.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 62µg/L | Poor 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. | 67 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Trafford
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Trafford typically sits around 77°F at the surface in October. Summer average is about 86°F. Usually warmest in Jul (about 87°F) and coldest in Dec (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 (87°F).
Typical surface water temperature by month, from 170 field readings (2010–2024) via the EPA Water Quality Portal. See the full Lake Trafford water temperature breakdown →
Stays via Stay22
Stays near Lake Trafford
Compare lakeside cabins, hotels, and vacation rentals near Lake Trafford in Collier 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Trafford are listed below.
Top-rated places to stay near Lake Trafford
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 →
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Fishing Lake Trafford
Water Quality Trend: Improving
Based on 5 years of monitoring (2020–2024).
Water clarity
Improving5 years
Phosphorus
Improving-5.85 µg/L/yr5 years
EPA Impairment Status
Lake Trafford is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL3259W · Official waterbody report
Nearby Lakes in Collier County
Frequently asked questions about Lake Trafford
Where is Lake Trafford?
- Lake Trafford is a lake in Collier County, Florida. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake Trafford?
- Lake Trafford in Collier County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Water clarity: 1.6 ft visibility. Phosphorus: 62 µg/L.
Is Lake Trafford safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Trafford is listed impaired under Clean Water Act §303(d) (IR 4A) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water temperature of Lake Trafford?
- Lake Trafford typically sits around 77°F at the surface in October, from 170 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Explore Lake Trafford across LakeQuality
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Where this data comes from
17 measurements from 4 monitoring stations, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples17 samples · 2020–2024
Monitoring station identifiers (4)
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database