Maintenance plan for the Rosenthal property

Waterfront properties (along with the larger watershed) are one of the sources of phosphorus and sediment that flow into our lake causing algae blooms – 36% of the problem as identified by a 2017 study of multiple sources of phosphorus. Some properties generate more runoff and carry more phosphorus and sediment‐‐ those with steeper slopes, channels of water flow, structures or hard surfaces close to the lake, or a lack of natural vegetation at the shoreline. Your property might have at least one of these characteristics. If it does, consider scheduling a free, no‐obligation site visit.

PDF of before and after photos of the Angelo property

List of materials and quantity used for Rosenthal property

Top view of Rosenthal property rock infiltration area design.

Summary of internal load committee, wildlife and natural beauty committee, and BMP installations

Before and after photos of Bone Lake boat ramp

Progress report about internal load committee and groundwater study, BMP installations

Estimation of Ground Water Inflow and Phosphorus Load

Design plans for plunge pool

Letter to Bone Lake residents about the grant and options for property owner projects. Offers section for property owners to ask for more information about what they can do on their property.

Design of the rock infiltration BMP on the Angelo property

Design of a infiltration area near Sandy Hook Lane

Hypolimnetic anoxia, frequent summer water column mixing, and late summer peaks in epilimnetic P and chlorophyll all suggest that internal P loading from bottom sediments may be contributing to WQ impairment in Bone Lake. These investigations are designed to examine rates of phosphorus (P) release from sediment under aerobic and anaerobic conditions and mobile forms of sediment P in order to better understand the magnitude of internal P loading in the lake.

Signed cost-share agreement for the Angelo property

Design plan for north boat ramp

This Runoff Reduction Plan includes instructions for installing the proposed practice to increase water infiltration on the Rosenthal property.

Design of the berm cross sections for the Rosenthal Property

Drawing and list of materials/quantities needed to complete the project

In 2015 Ayres Associates completed a LiDAR data acquisition project for Polk County. LiDAR mapping for Polk County will be the basis for developing county-wide phosphorus reduction strategies for lake protection. LiDAR was used to delineate watershed boundaries and determine areas of highest nutrient loading for the Cedar Lake TMDL.

Bone Lake Management District is sponsoring a Lake Protection grant to implement activities from their approved lake management plan. The specific project tasks include: 1) Design and install watershed BMPs; 2) Mini (10x35 foot) shoreline buffer restorations; 3) Design and install waterfront runoff projects; 4) ALUM dosage analysis; 5) Installation of woody habitat structures; 6) Establish Slow-No-Wake Ordinance; 7) Develop land protection strategy. Maintenance, operation, and protection will be specified in a ten-year contract for each BMP site.

Shoreland Restoration

Bone Lake Management District is sponsoring a Lake Protection grant to implement activities from their approved lake management plan. The specific project tasks include: 1) Design and install watershed BMPs; 2) Mini (10x35 foot) shoreline buffer restorations; 3) Design and install waterfront runoff projects; 4) ALUM dosage analysis; 5) Installation of woody habitat structures; 6) Establish Slow-No-Wake Ordinance; 7) Develop land protection strategy.