Potter County Lake Quality

Potter County has 1 monitored lake — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. Every one of those lake carries recent nutrient and algae readings, so the county-level summary covers the full set rather than a monitored subset. The county-wide picture is low-to-moderate phosphorus with clear summer transparency across most monitored lakes.

Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Lyman Run Reservoir has the lowest nutrient and algae readings in the county.