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To: Grass Lake Water Management Organization <br />From: Denny Palmer, Karen Chandler, Hal Runke <br />Subject: Work Plan - GLWIv10 Water Management Plan <br />Date: July 15, 1999 Page 3 <br />1.2.3 Where adequate data do not exist. determine data to be collected and develop data collection plan <br />for affected resources. Collection of the data is not included in this work scope for development <br />of the WMP. The data collection effort will included as a WMP implementation activit<~_ as will <br />the subsequent parts of the assessment. described in paragraphs 1. ~ and 1.4. <br />1.3 Estimate future water quality conditions <br />1.3.1 Estimate filture water quality conditions using existing data or existing models for managed water <br />bodies and wetlands. Existing models means spreadsheet modeling, not SWMM or P8, which are <br />substantially more complicated. Since watershed is essentially fully developed. projections may <br />be based on statistical evaluation of data. <br />1.3.2 On the basis of estimated future water quality conditions, predict ~ti~hether managed «~ater bodies <br />and wetlands will be able to meet resol>rce goals for future conditions. If not, ideutifi~ as a <br />problem to be addressed. or revise the goal according)}~. <br />1.~4 Identify alternatives and remedies <br />1.4. l Identify remedies or alternatives for those resources where predictions show the resource twill be <br />unable to meet the established goals. Alterlatives evaluation will be included as a WMP <br />implementation activity. <br />1.4.2 Describe implementation strategies, priorities, etc. to achieve the established goals (note: cost. <br />schedule and financing will be presented in the CIP). <br />Task 2.0 -Surface Water 1Vlanagement. The Board wishes,to address issues and problems associated with <br />intercommunity and other trunk conveyance systems. and with the quality of non-point runoff. This task will <br />identify existing or potential surface water management issues of flow rate or nlnoff quality. and propose <br />strategies for addressing the issues. <br />2.1 Inventory surface water management issues <br />2.1. I Identify and map areas with perceived problems of erosion, flooding, water quality, access, or <br />with other unresolved issues. <br />2.1.2 Identify and map any potential or existing unresolved intercommunity flow issues. <br />2.2 Develo~~oals and policies pertaining to inventoried surface water management issues, and for the use <br />of BMPs. <br />2.3 Develop implementation strategies for addressing inventoried surface water management issues. <br />P:\23\62\645\715wkpln.doc <br />