Question 1

Cleanest Lakes in Montgomery County, Pennsylvania?

Accepted Answer

Green Lane Reservoir in Montgomery County leads the rankings on measured clarity and nutrients. Below are the top 2 cleanest monitored lakes in Montgomery County, Pennsylvania, ranked on EPA nutrient and algae measurements.

Question 2

What is the cleanest lake in Montgomery County, Pennsylvania?

Accepted Answer

Green Lane Reservoir in Montgomery County has the cleanest nutrient and algae readings in Montgomery County, Pennsylvania.

Question 3

How are these rankings calculated?

Accepted Answer

Nutrients and algae, total phosphorus, nitrogen, chlorophyll-a and turbidity, are read against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown separately. Lakes without enough recent samples are listed without a condition class rather than ranked low. Source data comes from the EPA Water Quality Portal.

#	Lake	County	Clarity	Phosphorus	Algae
1	Green Lane Reservoir	Montgomery	-	93 µg/L	13.5 µg/L
2	Green Lane Reservoir	Montgomery	-	146 µg/L	45.6 µg/L

Cleanest Lakes in Montgomery County, Pennsylvania

Ranked List

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