Lake Trafford
Lake Trafford in Collier County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.6 ft visibility. Phosphorus: 62 µg/L.
- Clarity
- 1.6 ft
- Typical in August
- 87°F
- Type
- Eutrophic
- Trend
- ↑ Improving
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Lake Trafford →
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Lake Trafford is a productive, nutrient-rich eutrophic lake in Collier County, Florida. Water quality is graded D based on 1 sampling years through 2024. 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. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyLimited data
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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 1.6 ft of visibility. Phosphorus level: 62 µg/L. Trophic State Index: 67.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 ft | Not graded |
| Phosphorus | 62 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 67 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay 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 grade measures nutrients and algae, not lodging — cabins and rentals around Lake Trafford are listed below.
Top-rated places to stay near Lake Trafford
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Planning a whole trip? See where to stay at Florida’s top lakes →
Water Temperature
Lake Trafford typically sits around 87°F at the surface in August. 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.
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 →
Fishing Lake Trafford
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.025 m/yr | 5 |
| Phosphorus | ↑ Improving | -5.85 µg/L/yr | 5 |
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
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit FL3259W · Official waterbody report
County Ranking
Ranked #17 of 17 lakes in Collier County
Nearby Lakes With Higher Grades
Lake Trafford holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Collier County
Frequently asked questions about Lake Trafford
Where is Lake Trafford?
- Lake Trafford is a lake in Collier County, Florida. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Trafford?
- Lake Trafford in Collier County, Florida has a water quality grade of D (Nutrient-rich). Water clarity: 1.6 ft visibility. Phosphorus: 62 µg/L.
Is Lake Trafford safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Lake Trafford has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
What is the water temperature of Lake Trafford?
- Lake Trafford typically sits around 87°F at the surface in August, 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
More Florida Lake Rankings
Other Grade D Lakes in Florida
Eutrophic Lakes in Florida
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)
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