About Us

Mission Statement

The Santa Margarita Water District provides our customers with quality water and wastewater service – maximizing human, environmental, and financial resources – to help guide South Orange County’s water and wastewater needs into the next century.

Santa Margarita Water District serves as the second largest retail water agency in Orange County. The District provides safe, affordable, reliable water and wastewater services to over 165,000 customers in Mission Viejo, Rancho Santa Margarita and the unincorporated areas of Coto de Caza, Las Flores, Ladera Ranch and Talega.

Map of SMWD's service area:

SMWD Statistics
62,674 Acres within the District's territory
165,000 Customers SMWD serves
53,817 Residential connections
2,120 Commercial connections
2,687 Irrigation connections
1,209 Miles of water and sewer lines SMWD maintains
29 Domestic water reservoirs
21 Domestic Pump Stations
10 Recycle Pump Stations
8 Irrigation water reservoirs
3 Sewage treatment plants
19 Sewer lift stations

SMWD is currently closed

Contact Us

E-mail requests will be viewed between the hours of 8am-5pm M-F. Any e-mails sent after hours or on the weekend will be replied to during the next business day.

To use our LiveChat please check back during our normal operating hours of:

Monday - Friday
8:00am - 5:00pm


Fill out the form to the right to send us an e-mail.