Unnamed Lake
Pasco County, FloridaHypereutrophic
Unnamed Lake is a highly nutrient-loaded hypereutrophic lake in Pasco County, Florida. Water quality is graded F based on 2 sampling years through 2023. Compared to the 53 other monitored lakes in Pasco County, Unnamed Lake ranks #54 for water quality.
Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-10-25. Grade methodology: LakeGrade methodology.
Watch Unnamed Lake water quality
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 0.7 ft of visibility. Phosphorus level: 440 µg/L. Trophic State Index: 88.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.7 ft | F |
| Phosphorus | 440 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 88 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Location
County Ranking
Ranked #54 of 54 lakes in Pasco County
Cleaner Lakes Within 30 Miles
Unnamed Lake holds Grade F. 2 nearby lakes hold higher grades.
- DPinellas-Salmons Bay LakePinellas County · 5.3 mi · Higher grade (F → D)
- DLittle Salt Lake NePinellas County · 4.1 mi · Higher grade (F → D)
Nearby Lakes in Pasco County
More Florida Lake Rankings
Other Grade F Lakes in Florida
Hypereutrophic Lakes in Florida
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Unnamed Lake 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.
- New Port Richey, City OfNew Port Richey · 2.4 mi away · NPDES FLS267261Major
- New Port Richey City Of WwtfNew Port Richey · 3.1 mi away · NPDES FL0127434Recent 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.
Data Sources
Water quality data from the EPA Water Quality Portal
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-10-25
Monitoring stations: 1
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