Lapham Peak Pond

Lapham Peak Pond earns a D — measurements through 2023 show persistent nutrient pressure that limits clarity through the summer. Sub-grades cluster within a single letter of each other, which usually means the lake is in stable trophic balance rather than fighting one specific stressor.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. The lake is compact at 1 acres, with partial shoreline records and little volume to buffer nutrient inputs. Lapham Peak Pond ranks 41 of 45 in Waukesha County — at the lower end of the locally monitored distribution.

No invasive species are currently listed at Lapham Peak Pond — the lake remains off the Wisconsin infested-waters roster. The state fisheries records do not list documented species for Lapham Peak Pond, which usually reflects a lack of formal fisheries survey work rather than an empty lake. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.