The South Mesa Water Company supplies water to about 11,953 people living in the Calimesa area in Riverside County, California. Founded in 1912, South Mesa Water Company collects groundwater from Calimesa and Live Oak Basins located in Yucaipa Basin and Beaumont Basin.


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Calimesa Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires South Mesa Water to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way. You can find CCR report on the South Mesa Water website.

Contact South Mesa Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
P.O. Box 458
391 West Ave. L
Calimesa, California 92320

phone
Darmstrongsmwc@Yahoo.Com

Emergency (24 hours - broken water main or pipeline, etc.)
909-795-2401

Pay Your South Mesa Water Bill

Already have an account?

If you already have an account, you just need to login to the South Mesa Water site. South Mesa Water accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Calimesa Water Service

Starting Your Service

When you move to a new home in Calimesa, you'll most likely already have running water, but you'll still need to set up water service with the South Mesa Water. Luckily, Calimesa has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Calimesa, you'll need to stop your water service with the South Mesa Water, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.

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