Welcome to Solano County Water Agency

We are a wholesale water agency. We provide untreated water to cities and agricultural districts in Solano County from the Federal Solano Project and the North Bay Aqueduct of the State Water Project. The agency also has a flood control function.

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Effective Immediately! All boats wishing to launch into Lake Berryessa are required to either undergo a mandatory 30-day quarantine or a hot-water decontamination.

To learn more about the mandatory protocol required to launch into Lake Berryessa, click the banner below.

MUSSEL PROGRAM UPDATES

As of May 16, 2025 Launch Ramps at Lake Berryessa will honor any sealed vessels meeting the following criteria:

You have a green seal from Lake Berryessa
You have a 30 day red quaratine seal from any agency, recorded as having completed a 30-day quarantine in the WID system;
Seals from other agencies, or states, that have been applied to a watercraft for a period of 30 days or longer and are recorded in the WID. These seals may be any color;
Seals from a waterbody or state that does not use the WID system will be accepted if the seal had been applied to the watercraft for a period of 30 days or longer, and is accompanied by a physical paper receipt.
Proof of a hot-water decontamination from Solano County Water Agency or affiliated partners (Markley Cove, Putah Canyon, Pleasure Cove), or from Lake Tahoe
Lake Tahoe Blue seals will be acepted due to the longevity and robustness of the Lake Tahoe AIS prevention and decontamination program.

Click here to read USBR’s Press Release on the upcoming fee changes to decontamination services at Lake Berryessa.

SPOTLIGHT