We encourage you to register for our Customer Portal by using the QR code on your statement or by clicking here.  

Our Advanced Metering Infrastructure (AMI) enables MCWD to alert you if there is water consumption at your property that exceeds the thresholds that you set.  Setting up these alerts can not only save you money on your  water bill but can also prevent damage to your home and help conserve water.

This tool will help determine possible causes and solutions of typical water quality issues experienced in a home. After using this tool, please feel free to contact MCWD if you would like to request further support of your water quality issue.

The Mammoth Community Water District (MCWD) is required to administer a Backflow (Cross-Connection Control) program. Click here to reference the MCWD Cross-Connection Control Program Policy. The primary objective is to protect the drininking water distribution system from the backflow of liquids, gases, or other substances from a customer's connection.