BULLHEAD LAKE ADVANCEMENT ASSOCIATION, INC: LMI - Bullhead Lake Alum Treatment Feasibility Study


The Bullhead Lake Advancement Association, Inc. is sponsoring a project to assess the feasibility of an alum treatment on Bullhead Lake as specified in their 2019 Comprehensive Lake Management Plan. Project final deliverables include: all data collected and a summary report of the alum treatment feasibility study. Specific project activities include: 1) Collecting water quality samples during the growing season to determine mass of phosphorus from Bullhead Lake bottom sediments to overlying water; 2) Collecting sediment cores to determine the correct alum dose to significantly reduce internal nutrient loading; 3) Inventory best management practice installation and implementation in the watershed to estimate current phosphorus load from surface watershed utilizing STEPL and WiLMS models; 4) Using the data gathered, determine if an alum treatment would be fiscally feasible and produce sufficient and long-term improvements to water quality; 5) Hold a public meeting to deliver the study results; and 6) Produce a summary report of the findings. This scope summarizes the project detail provided in the application and does not negate tasks/deliverables described therein. Data, records, and reports, including GIS-based maps, and digital images, must be submitted to the Department in a format specified by the regional Lake Biologist. If consultant is to provide final report, it is recommended that Grantee provide DNR Lake Coordinator with a draft for comment on report adequacy prior to making final payment to the consultant. DNR to receive both paper and electronic .pdf copies of the final report along with, or prior to submission of grantee's final payment request

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