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LakeQuality

Of the 7 lakes within 30 miles of it with nutrient and algae readings on record, none reads lower than Lake Ben Johnson, so Lake Ben Johnson is the cleanest measured water in that radius. Lakes nearby without enough recent sampling to earn a letter are not part of that comparison.

Reviewed by LakeQuality Editorial Team · Updated

The measured lakes it was measured against

LakeCountyDistanceClarity
Lake Ben JohnsonOrange CountyThis lake3.3 ft
Corporation LakeOrange County0.9 mi2.2 ft
Lake OrangeOrange County5.7 mi2.9 ft
West Fk Eno R ReservoirOrange County5.8 mi3.8 ft
West Fork Eno River ReservoirOrange County6.7 mi3.8 ft
Cane Creek ReservoirOrange County9.7 mi3.6 ft
University LakeOrange County12.2 mi2.3 ft
Little River ReservoirDurham County14.7 mi3.1 ft

What the comparison covers

A grade on LakeQuality comes from EPA Water Quality Portal samples: phosphorus, nitrogen, chlorophyll-a and turbidity, measured against EPA National Lakes Assessment ecoregion classes. Secchi clarity is shown and is not scored. This page compares Lake Ben Johnson only with neighbouring lakes in North Carolinathat carry readings of their own, within 30 miles. A nearby lake with too little recent sampling has no letter to compare, so it is absent from the table rather than ranked below. Where a driving distance is not published for a lake, the table says so instead of estimating one.