What is the water quality grade for Lynchburg Reservoir?

Lynchburg Reservoir in Harris County, Texas received a water quality grade of C (Fair). Water clarity: 1.1 ft visibility. Phosphorus: 98.5 µg/L. Chlorophyll-a (algae): 5.9 µg/L.

Is Lynchburg Reservoir safe to swim in?

Generally safe for swimming, moderate water quality. Lynchburg Reservoir has an overall water quality grade of C. Algae concentration (chlorophyll-a) is 5.9 µg/L. Always check local health department advisories before swimming.

Harris County, Texas

Lynchburg Reservoir

Grade CFair · 1.1 ft clarity

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Eutrophic

Lynchburg Reservoir is a productive, nutrient-rich eutrophic lake in Harris County, Texas. Water quality is graded C based on 2 sampling years through 2023. Compared to the 4 other monitored lakes in Harris County, Lynchburg Reservoir ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2023-09-12. Grade methodology: LakeGrade methodology.

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Very murky, less than 1.1 ft of visibility. Phosphorus level: 98.5 µg/L. Chlorophyll-a: 5.9 µg/L. Trophic State Index: 65.

Metric	Value	Grade
Water Clarity (Secchi Depth)	1.1 ft	F
Phosphorus	98.5 µg/L	D
Chlorophyll-a (Algae)	5.9 µg/L	B
Trophic State Index (TSI)	65	Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Lynchburg Reservoir

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