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Upper Santa Ana River Integrated Regional Water Management Plan

The Integrated Regional Water Management Plan for the Upper Santa Ana River (IRWMP) was Initially adopted at a public hearing held on December 6, 2007, through the adoption of Resolution No. 435.  The 2020 IRWMP update was reviewed by all agencies and adopted by the Conservation District Board on June 9, 2021, through the adoption of Resolution No. 588.  Links to those files are listed below:

Historical documents can be found below:

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Latest Documents

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Default 6 13 2024 DFR ( pdf, 379 KB ) (18 downloads)
Default 6 12 2024 DFR ( pdf, 379 KB ) (18 downloads)
Default 6 11 2024 DFR ( pdf, 379 KB ) (24 downloads)
Default 6 10 2024 DFR ( pdf, 161 KB ) (28 downloads)
Default 6 7 2024 DFR ( pdf, 161 KB ) (31 downloads)

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