In 2005, CWSD signed the Cooperative Technical Partner Agreement with Federal Emergency Management Agency (FEMA).
In 2012, the various counties located along the Carson River, State and Federal agencies entered into a Risk MAP Charter agreement with FEMA. The Charter agreement enables FEMA and CWSD to work with counties on flood hazard mitigation projects on a watershed basis. This was the first Charter Agreement in FEMA Region 9 and is a blueprint for other regional cooperation programs.
Floodplain Managment Planning documents CWSD has produced include: