The North and Middle Rivers Watershed Management Authority (WMA) is a 28E joint governmental organization set up under Iowa law in 2017 to support watershed cooperation, planning, and improvements within the North River and Middle River Watersheds.
Mission
Cooperatively seek resources to facilitate water quality improvement and flood damage reduction within the North River and Middle River Watersheds.
About The Watersheds
The North River and Middle River Watersheds encompass 611,070 acres. When divided, there are 256,809 acres within the North River Watershed and 354,261 acres within the Middle River Watershed.
If broken out, the North River and Middle River include 6 HUC10 watersheds. They are:
- South Fork Middle River – Middle River (HUC10 – 0710000806) [183,949.24 acres]
- Clanton Creek (HUC10 – 0710000805) [103,960.15 acres]
- Middle River (HUC10 – 0710000807) [66,351.53 acres]
- North Branch North River (HUC10 – 0710000802) [48,337.05 acres]
- North River (HUC10 – 0710000804) [126,675.71 acres]
- Plunger Creek – North River (HUC10 – 0710000803) [81,796.13 acres]
About the North & Middle Rivers WMA
The North and Middle Rivers Watershed Management Authority (NMRWMA) was initially formed in 2017, with 11 jurisdictions within the watersheds; counties, cities, and soil and water conservation districts signing on to the 28E agreement. NMRWMA now has 17 participating jurisdictions; 42.5% of eligible jurisdictions within the watersheds.
Member Jurisdictions:
| Counties | Adair County Madison County Polk County Warren County |
| Municipalities | City of Carlisle City of Des Moines City of Indianola City of Norwalk City of Van Meter City of West Des Moines City of Winterset |
| Soil and Water Conservation Districts | Adair SWCD Dallas SWCD Madison SWCD Polk SWCD Warren SWCD |
All other eligible governmental entities in the region and non-governmental partners are welcomed to join the WMA’s efforts.
NMRWMA Officers:
Chair: Tim Palmer
Vice Chair: Mike White
Treasurer: John Twombly
Secretary: Anna Golightly
At-Large Director: Daryl Nelson
Contact:
North and Middle Rivers WMA
c/o Tim Palmer, NMRWMA Chair
400 Public Square
Greenfield, IA 50849
Email (Chair): tim@regenerativeenvironmentalstrategies.com
Phone (Madison SWCD): 515-462-4884 ext. 3
Documents:
Other Resources:
Learn more about Watershed Management Authorities in Iowa
Watershed Management Authorities | Iowa DNR
Iowa Water Quality Information System
Iowa Water Quality Information System | IWQIS (iowawis.org)
Middle River Water Trail
Water Trail – Madison County Parks & Conservation Center