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Watershed Management Plans

A watershed plan is a strategy and a work plan for achieving water resource goals that provides assessment and management information for a geographically defined watershed. It includes the analyses, actions, participants, and resources related to development and implementation of the plan. The watershed planning process uses a series of cooperative, iterative steps to characterize existing conditions, identify and prioritize problems, define management objectives, and develop and implement protection or remediation strategies as necessary.

The main components (or chapters) in a watershed plan include:

  1. Public Concerns
  2. Watershed Inventory - includes water quality, physical, and social data
  3. Problem Identification
  4. Identify Sources of Problems
  5. Selection of Critical Areas
  6. Set Goals and Objectives
  7. Measure Success

The primary purpose of a watershed management plan is to guide watershed coordinators, resource managers, policy makers, and community organizations to restore and protect the quality of lakes, rivers, streams, and wetlands in a given watershed. The plan is intended to be a practical tool with specific recommendations on practices to improve and sustain water quality. These are also “living documents”, meaning that as conditions change over time in a watershed, the plan must be reexamined and revised to reflect goals that have been achieved or not met.

WMP and TMDL Reports Search Tool

On this page is a list of the most current watershed management plans (WMPs) that have been approved by IDEM’s Nonpoint Source Program. These plans were written by locally-led watershed groups and serve as the first step to improving water quality in a number of Indiana’s rivers, lakes, and streams. Use the WMP and TMDL Reports Search (WATRS) Tool to find watershed planning efforts in your area. In some cases, new or updated plans may replace historical plans. Contact the Nonpoint Source Program for a full list of watershed management plans that have been completed to date.

Watershed Management Plans

Plans marked with an asterisk (*) did not meet IDEM’s checklist requirements for approval due to unexpected circumstances, but still may provide valuable information in watershed planning efforts.

Region 1 - Northwest

Little Calumet (04040001) Map Icon

Middle Wabash-Deer (05120105) Map Icon

Tippecanoe (05120106) Map Icon

Wildcat (05120107) Map Icon

Middle Wabash-Little Vermillion (05120108) Map Icon

Sugar (05120110) Map Icon

Kankakee (07120001) Map Icon

Iroquois (070120002) Map Icon

Chicago (07120003) Map Icon

Region 2 - Northeast

St. Joseph (MI) (04050001) Map Icon

St. Joseph (OH) (04100003) Map Icon

St. Marys (04100003) Map Icon

Maumee (04100005) Map Icon

Auglaize (04100007) Map Icon

Upper Wabash (05120101) Map Icon

Salamonie (05120102) Map Icon

Mississinewa (05120103) Map Icon

Eel (Wabash River) (05120104) Map Icon

Region 3 - Southwest

Middle Wabash-Busseron (05120111) Map Icon

Lower Wabash (05120113) Map Icon

Lower White (05120202) Map Icon

Eel (West Fork White River) (05120203) Map Icon

Patoka (05120209) Map Icon

Lower Ohio-Little Pigeon (05140201) Map Icon

Highland-Pigeon (05140202) Map Icon

Region 4 - Southeast

Whitewater (05080003) Map Icon

Middle Ohio-Laughery (05090203) Map Icon

Driftwood (05120204) Map Icon

Flatrock-Haw (05120205) Map Icon

Upper East Fork White (05120206) Map Icon

Muscatatuck (05120207) Map Icon

Lower East Fork White (05120208) Map Icon

Silver-Little Kentucky (05140101) Map Icon

Blue-Sinking (05140104) Map Icon

Region 5 - Central

Upper White (05120201) Map Icon

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