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50+ Years
experience
Your Trusted Water Supply Partner in Southeastern Ventura County
Calleguas Municipal Water District has been a trusted provider of reliable supplemental water supplies to Southeastern Ventura County since 1953. Our organization prioritizes environmentally and economically responsible water management practices while serving approximately 650,000 residents through 19 local water suppliers. With a capital budget averaging $20 million annually, we focus on critical infrastructure rehabilitation, local water supply reliability improvements, and expansion of the Salinity Management Pipeline. Our team of water management professionals brings decades of collective experience in regional water resource planning and delivery systems. We maintain strict compliance with all federal and state water quality standards while implementing innovative solutions for long-term water sustainability.

Our board of directors and leadership team work collaboratively with local stakeholders to ensure transparent decision-making and community engagement. Through our extensive wholesale potable water system, we deliver high-quality water while maintaining rigorous safety protocols for all operations. Our emergency response teams are prepared to address infrastructure needs while minimizing community disruptions. We actively engage in public education initiatives about water conservation and efficient usage practices. Our commitment to operational excellence is demonstrated through our ongoing infrastructure modernization projects and partnerships with regional water agencies.
Services
Wholesale Water Supply Salinity Management Infrastructure Rehabilitation Pipeline Maintenance Water Quality Monitoring Emergency Repairs Public Education Programs Infrastructure Modernization Water Conservation Regional Planning
Details
  • Year established: 1953
Highlights and features
  • We have over 70 years of regional water management experience
  • Our capital budget supports $20 million annual infrastructure improvements
  • We maintain strict compliance with all federal and state water quality standards
  • Our team includes certified water resource professionals with specialized expertise
  • We implement innovative solutions for long-term water sustainability
Services
Wholesale Water Supply
We deliver reliable regional and locally developed water supplies through our extensive wholesale distribution system. Our service ensures consistent water availability while maintaining strict quality standards. This critical infrastructure supports 19 local water purveyors serving approximately 650,000 residents in Southeastern Ventura County.
Salinity Management
Our Salinity Management Pipeline system addresses water quality challenges through specialized treatment and distribution infrastructure. This program protects agricultural and municipal water users from excessive salinity levels while maintaining compliance with environmental regulations across our service territory.
Infrastructure Rehabilitation
We implement annual capital improvement programs focused on aging infrastructure replacement and system upgrades. Our maintenance operations include pipeline modifications, manhole repairs, and facility modernization projects that enhance system reliability and minimize service disruptions.
Emergency Repairs
Our emergency response teams address critical infrastructure failures through planned maintenance activities rather than reactive repairs. Current projects demonstrate our proactive approach to system maintenance while implementing traffic control measures to ensure public safety during operations.
Public Education Programs
We provide water conservation education and public information initiatives about regional water management challenges. Our outreach programs include workshops on efficient water use practices and community engagement opportunities regarding infrastructure development projects affecting local neighborhoods.
Questions
What areas does Calleguas Municipal Water District serve?
We provide wholesale water services to Southeastern Ventura County, including Thousand Oaks and surrounding communities through 19 local water suppliers.
What are your office hours?
Our administrative offices are open Monday through Thursday from 8:00 AM to 4:00 PM, and Friday from 8:00 AM to 3:00 PM, with a daily lunch closure from 12:00 PM to 1:00 PM.
What infrastructure projects are currently underway?
Current projects include pipeline modifications at the southeast corner of Kanan and Lindero Canyon Roads, with traffic control measures implemented for public safety during overnight operations.
How does the district manage water quality?
We maintain strict compliance with all federal and state water quality standards through our Salinity Management Pipeline system and regular water quality monitoring programs.
What is the district's capital improvement budget?
Our annual capital budget averages approximately $20 million, focused on infrastructure rehabilitation, local water supply reliability improvements, and pipeline system expansions.
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