LOWER SPRING LAKE P & R DISTRICT: Lower Spring Lake AIS Established Infestation


The Lower Spring Lake Management District will sponsor annual herbicide treatments to control milfoil and curlyleaf pondweed in Lower Spring Lake. These treatments will be accompanied by department recommended pre- and post-treatment monitoring by the Jefferson County LWCD, and followed by herbicide concentration monitoring by local volunteers at sites and frequency designated by US Army Corp of Engineers partners. AIS signage will be maintained at the public boat landing, and students and volunteers will conduct Clean Boats Clean Waters educational outreach, after being trained by LWCD. Also, local volunteers will be monitoring the shoreline and lake for new AIS species each year. All raw data will be compiled and analyzed for a final report, submitted both in paper copy and word or .pdf document.

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Aquatic Invasives Grant
Aquatic Invasives Control
Reports and Documents
Main Project Goal: Work on controlling Eurasian water milfoil and curly-leaf pondweed through an adaptive management approach as outlined in DNR guidance. Every year (2012 through 2017), pre-treatment and post-treatment aquatic plant surveys (using the PI method) were performed on the lake by the LWCD. Data was summarized and plant maps for the aquatic invasive species (AIS) were produced.
Lower Spring Lake is a 109 acre lake located in Jefferson County. The 2 aquatic invasive plant species in the lake are Eurasian water milfoil and curly-leaf pondweed. This document is an update to the 2011 Aquatic Plant Management Plan for Lower Spring Lake. It was developed by the Jefferson County Land and Water Conservation Department and the Lower Spring Lake Protection and Rehabilitation District with the assistance of the Wisconsin Department of Natural Resources.
PI survey data from August 2017 on Lower Spring Lake.
PI survey data from May 2016 on Lower Spring Lake.
PI survey data from 7/31/15-8/4/15 on Lower Spring Lake.
PI survey data from 5/14/14 on Lower Spring Lake.
Activities & Recommendations
Grant Awarded
Grant ACEI-116-12 awarded
Watercraft Inspections Clean Boats, Clean Waters
Shoreland Monitoring, Assessment, Inventory
Shoreland Monitoring, Assessment or Inventory