Our Mission

At Clearlake Oaks County Water District, we are committed to providing safe, high quality water services to our community, while maintaining a standard of excellence in customer service and environmental conservation.

Bill Payment Options

Looking for the most convenient way to pay your bill? We offer a wide variety of payment options to our customers. Simply choose the option that best suits your needs... Learn more...

Conservation Tips

There are a number of easy ways to save water, and they all start with you. When you save water, you save money on your utility bills. Here are just a few ways... Learn more...

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Fun Fact

March 22, 2019

What is the Rumsey Scale?  In 1872, a pioneer named Captain Rumsey established the low point of the Grigsby Riffle Sill, a rock ledge located at the confluence of Cache and Siegler creeks in Lower Lake, as "Zero Rumsey."  All subsequent measurements of Clear Lake's level are based on this elevation above sea level.  Clear Lake is considered full at 7.56 Rumsey.  Flood levels vary, however, warnings are issed at 9 Rumsey.  The highest recorded lake level was 13.66 Rumsey in 1890, while the lowest was -3.5 Rumsey in 1920.  Typically, the lake level varies from an average of 1.6 Rumsey to 6.75 Rumsey each year.  When Clear Lake is full, it has a surface area of 43,790 acres and contains...

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Fix a Leak Week

Fix a Leak Week

March 01, 2019

Mark your calendars, folks: March 18-24 is the EPA's eleventh annual Fix a Leak WeekHousehold leaks can waste more than 1 TRILLION gallons of water each year. Yes, 1 TRILLION—That's a one with 12 zeros behind it (1,000,000,000,000). Those drippy faucets and leaking toilets are more than an annoyance; they cost you lots of money, and they waste LOTS of water. So, this March, hunt down those drips! Chase those leaks!

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