What is the water quality grade for Seminole-Orienta North Lake?

Seminole-Orienta North Lake in Seminole County, Florida received a water quality grade of C (Fair). Water clarity: 4.8 ft visibility. Phosphorus: 21 µg/L.

Is Seminole-Orienta North Lake safe to swim in?

Generally safe for swimming, moderate water quality. Seminole-Orienta North Lake has an overall water quality grade of C. Always check local health department advisories before swimming.

Seminole-Orienta North Lake

Seminole County, FloridaEutrophic

Seminole-Orienta North Lake is a productive, nutrient-rich eutrophic lake in Seminole County, Florida. Water quality is graded C based on 2 sampling years through 2023. Compared to the 167 other monitored lakes in Seminole County, Seminole-Orienta North Lake ranks #71 for water quality.

Source: EPA Water Quality Portal sampling records, Florida DNR, last sampled 2023-08-24. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Murky, only visible to about 4.8 ft. Phosphorus level: 21 µg/L. Trophic State Index: 51.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.8 ft	D
Phosphorus	21 µg/L	B
Chlorophyll-a (Algae)	No data
Trophic State Index (TSI)	51	Eutrophic

High nutrients, frequent algae, reduced clarity

Location

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County Ranking

Ranked #71 of 168 lakes in Seminole County

Cleaner Lakes Within 30 Miles

Seminole-Orienta North Lake holds Grade C. 2 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Seminole County

Seminole-Orienta East Lake

More Florida Lake Rankings

Cleanest lakes in Florida

Top 25 by overall water quality score

Best swimming lakes in Florida

Grade A/B + low algae filter

Family fishing lakes in Florida

Panfish-rich, public access

All Florida lakes

Full state directory

Other Grade C Lakes in Florida

Lake Lancaster West

Orange County · Clarity: 3.5 ft

Eastern Lake Outlet

Walton County · Clarity: 4.2 ft

Polk-Fannie Lake

Polk County · Clarity: 3.5 ft

Volusia-North Talmadge Lake

Volusia County · Clarity: 4.5 ft

Oyster Lake Middle

Walton County · Clarity: 3 ft

Alachua-Elizabeth Lake

Alachua County · Clarity: 3 ft

Eutrophic Lakes in Florida

Lake Lancaster West Flagler-Emerald Lake Eastern Lake Outlet Ftt Lake

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2023-08-24

Monitoring stations: 1

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