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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.

TMDL WATRS Tool
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
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