Lake Diane Outfall
Pinellas County, FloridaView mapDirections
This is the name Florida DEP records for this water. It can describe one sampling location rather than the water as a whole.
Florida DEP publishes the water-quality measurements for Lake Diane Outfall. Here is what has been measured.
- Hypereutrophic
- Public access
- Limited data
Lake Diane Outfall in Pinellas County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 190 µg/L.
Lake Diane Outfall is a highly nutrient-loaded hypereutrophic lake in Pinellas County, Florida. Limited fish-species data available. Public access is available. Compared to the 33 other monitored lakes in Pinellas County, Lake Diane Outfall ranks #34 for water quality.
Source: EPA Water Quality Portal sampling records, FDEP, last sampled 2023-09-21. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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. Check local advisories before you swim.
Whether Lake Diane Outfall 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 Diane Outfall
These are the measurements Florida DEP publishes for Lake Diane Outfall, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 190 µg/L. TSI 80.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 190µg/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. | 80 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
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Stays near Lake Diane Outfall
Compare lakeside cabins, hotels, and vacation rentals near Lake Diane Outfall in Pinellas 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 Diane Outfall are listed below.
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Fishing Lake Diane Outfall
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Lake Diane Outfall under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 1 facility has a reported Clean Water Act violation in the past three years.
- Clearwater City Of Marshall Street WrfClearwater · 1.2 mi away · NPDES FL0021857MajorRecent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Pinellas County
Frequently asked questions about Lake Diane Outfall
Where is Lake Diane Outfall?
- Lake Diane Outfall is in Pinellas County, Florida. This is the name Florida DEP records for this water. It can describe one sampling location rather than the water as a whole. Its water-quality measurements are published by Florida DEP and shown on this page as reported.
What is the water quality of Lake Diane Outfall?
- Lake Diane Outfall in Pinellas County, Florida has water-quality measurements published by Florida DEP, shown here as reported. Phosphorus: 190 µg/L.
Is Lake Diane Outfall safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Lake Diane Outfall?
- Public access to Lake Diane Outfall is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Florida's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
8 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Submitting organization not recorded for these samples8 samples · 2023
Monitoring station identifiers (1)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)