Strengthening Water Reliability: Why Regional Partnerships Matter More Than Ever
- Joe Grindstaff
- Apr 18
- 2 min read

One of the most important things I have learned working in water is this: no single agency can solve our challenges alone.
That is why I am proud to have been part of a new partnership between the Eastern Municipal Water District and the San Diego County Water Authority. This agreement is not just another contract. It is a shift in how we think about water reliability across Southern California.
And right now, that shift matters more than ever.
A Smarter Way to Use What We Already Have
Southern California is facing increasing pressure on its water supplies. Between drought, climate change, and ongoing uncertainty around the Colorado River, we cannot rely on old strategies alone.
This partnership allows agencies to share resources more efficiently, making better use of existing infrastructure instead of building entirely new systems.
That may not sound exciting at first, but it is one of the most practical and cost-effective ways to improve reliability.
Instead of duplicating efforts, we are working together.
What This Means for Our Region
Through this agreement, EMWD will gain access to additional water supplies through the Water Authority, helping support more than 1 million residents across Riverside and San Diego counties.
Just as important, this partnership gives us flexibility.
Water deliveries will ramp up over time, and EMWD is also securing additional supply in advance for future needs. That kind of forward planning is critical in a region where conditions can change quickly.
This is about preparing for dry years before they happen, not reacting after the fact.
Protecting Ratepayers While Improving Reliability
Another key benefit of this agreement is its impact on cost stability.
By working together, agencies can reduce pressure on wholesale water rates and avoid the higher costs that often come with building new infrastructure from scratch.
That matters because every decision we make ultimately affects the people we serve.
Reliable water is essential. Affordable water is just as important.
Why Regional Collaboration Is the Future
For a long time, water agencies operated more independently. But the challenges we are facing today do not respect service boundaries.
Drought impacts everyone. Supply shortages impact everyone. Climate change impacts everyone.
That is why regional cooperation is no longer optional. It is essential.
As part of this process, agencies worked together to develop a shared solution that strengthens long-term planning and improves system resilience across Southern California.
This is the kind of collaboration we need more of moving forward.
Looking Ahead
This agreement is not the end goal. It is a step forward.
We still have major challenges ahead, including uncertainty around the Colorado River and the need to continue diversifying our water supply. But partnerships like this put us in a stronger position to adapt.
From my perspective, this is what progress looks like. Not one big solution, but a series of smart, practical decisions that build a more reliable system over time.
And most importantly, it is about making sure our communities have the water they need, not just today, but for decades to come.



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