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The Chain of Lakes: Zone 7's Local Water Future

The Chain of Lakes: Zone 7's Local Water Future

A $356.5 million pipeline project that connects Zone 7's local reservoirs to its treatment plant. This is the infrastructure bet on local water supply.

Sean RobertsApr 16, 2026
Delta Conveyance: A $443 Million Question

Delta Conveyance: A $443 Million Question

Zone 7's share of the Delta Conveyance Project is estimated at $443 million — and the board hasn't committed to construction yet. Here's how I think about it.

Sean RobertsApr 16, 2026
Groundwater: The Aquifer Under Our Feet

Groundwater: The Aquifer Under Our Feet

Zone 7's groundwater basin holds 254,000 acre-feet — but PFAS has taken 40% of production offline. The Regional Groundwater Development project aims to bring it back.

Sean RobertsApr 16, 2026
Sites Reservoir: New Water North of the Delta

Sites Reservoir: New Water North of the Delta

Zone 7 is one of 24 agencies investing in Sites Reservoir — a new water source that doesn't depend on Delta conveyance. Construction decision expected this year.

Sean RobertsApr 16, 2026
What the Capital Plan Means for Water Rates

What the Capital Plan Means for Water Rates

Zone 7's new CIP shifts $209 million from developer-funded to ratepayer-funded projects. That rate pressure signal deserves an honest conversation.

Sean RobertsApr 16, 2026
Our Water Supply Is Less Reliable Than You Think

Our Water Supply Is Less Reliable Than You Think

The State Water Project delivers just 54% of Zone 7's contractual allocation — and that number is heading down. Local supply investment is not optional.

Sean RobertsApr 7, 2026
37 Miles of Flood Protection

37 Miles of Flood Protection

Zone 7 manages 37 miles of engineered flood channels across the Tri-Valley. Deferred maintenance isn't savings — it's a bill we're handing to our neighbors.

Sean RobertsApr 3, 2026
PFAS in the Tri-Valley: Trust the Science, Verify the Data

PFAS in the Tri-Valley: Trust the Science, Verify the Data

Zone 7 is doing serious work on PFAS. A board member's job is to make sure the monitoring keeps pace with the treatment.

Sean RobertsApr 1, 2026