San Luis Obispo County Water Resources

Division of Public Works


San Luis Obispo County Integrated Regional Water Management



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What is the IRWM?

Integrated Regional Water Management (IRWM) is a collaborative effort to manage all aspects of water resources in a region.


  • Crosses jurisdictional, watershed, and political boundaries
  • Involves multiple agencies, stakeholders, individuals, and groups
  • Addresses regional issues and differing perspectives of all the entities involved through mutually beneficial solutions.
  • Develops multi-benefit solutions


Final 2014 SLO County IRWM Plan:

Click here to view the final 2014 SLO County IRWM Plan, adopted in August 2014.



Regional Water Management Group

   Coutny of San Luis Obispo

   SLO County Flood Control and Water Conservation District

   Avila Beach CSD

   California Men's Colony

   Cambria CSD

   Cayucos Sanitary District

   City of Arroyo Grande

   City of Grover Beach

   City of Morro Bay

   City of Paso Robles

   City of Pismo Beach

   City of San Luis Obispo

   Central Coast Salmon Enhancement

   Coastal San Luis RCD

   Heritage Ranch CSD

   The Land Conservancy of San Luis Obispo County

   Los Osos CSD

   Morro Bay National Estuary Program

   Nipomo CSD

   Oceano CSD

   Templeton CSD

   San Miguel CSD

   San Miguelito Mututal Water Company

   San Simeon CSD

   Shandon-San Juan Water District

   South San Luis Obispo County Sanitation District

   S&T Mutual Water Company

   Upper Salinas Las Tablas RCD


RWMG Memorandum of Understanding (unsigned)


RWMG Member List Updated July 18, 2016

Local Project Soliciation

The Regional Water Management Group (RWMG) for the San Luis Obispo County IRWM region conducted a solicitation of abstracts for new concepts and projects/programs related to IRWM.


Completed Phase 1a Abstract Forms were received by May 12, 2017. During the IRWM Plan update process, new and existing projects will be reviewed and considered for inclusion in the IRWM Plan. As a reference, the proejct abstract submission form and associated documents are below:


Upcoming IRWM Meetings

The next meeting is scheduled for Wednesday, April 4, 2018 from 10:00 am to 12:00 pm. However, the location is still to be determined. An update will be posted on this website and sent via the email mailing list.


More information on upcoming meetings and workshops.


Region Acceptance Process



Implementation Grants

The San Luis Obispo County IRWM was awarded $3,702,762 for the final Proposition 84 soliciation round on January 13, 2016. The three water resources projects proposed for grant funding are located in Templeton, Oceano, and San Simeon.


Planning Grants

Other Links

DWR IRWM and other grant resources


Central Coast Funding Area



Miscellaneous Documents

SLO County IRWM Plans


Grant Applications




Copyright 2008 - 2013 San Luis Obispo County

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