(805) 781-7215
879 Morro Street

Utility Billing
(805) 781-7133
990 Palm Street

Corporation Yard
(805) 781-7220
25 Prado Road

Additional Contact Info >>

Hours: 8:00 a.m. - 5:00 p.m.
Monday-Friday, closed on national holidays or as posted



  • Where does the stuff in the green bin go?

    Grass clippings, tree branches, yard trimmings, and food scraps are all waste you should put in your green waste bin. You may be asking yourself, “where does that stuff go to once it leaves my house?”

    3/24/2017 11:13:16 AM

  • Recycled Water Master Plan Adoption

    On March 21, 2017, the San Luis Obispo City Council approved the 2017 Recycled Water Master Plan.

    3/23/2017 3:40:00 PM

  • Utilizing Preventative Maintenance to Prevent Sewer Backups

    Have you seen this truck around the City of San Luis Obispo?

    3/17/2017 10:38:31 AM

  • Internships at the Water Quality Lab

    The City of SLO has been welcoming hard working students into the Water Quality Lab Internship Program for more than 20 years.

    3/13/2017 10:22:00 AM

  • Why is it called Whale Rock Reservoir?

    Every year, staff at Whale Rock Reservoir receive questions about the origin of the name “Whale Rock.”

    3/10/2017 3:04:00 PM

  • Draft 2017 Recycled Water Plan

    The Draft 2017 Recycled Water Master Plan is now available online.

    2/25/2017 5:45:53 PM

  • Water Resource Recovery 101

    You take a shower, run the dishwasher, do the laundry, and flush the toilet but where does all this water go?

    2/24/2017 2:42:00 PM

  • Whale Rock Reservoir Dam and Spillway Information

    With the recent events at Lake Oroville, people have started to wonder about dams across the state. Here’s a quick overview of Whale Rock Reservoir’s dam and spillway. Preventative measures and inspections are routinely performed to ensure safe operation. Despite the large amount of rainfall we have received this year, Whale Rock would still need to rise roughly 25 vertical feet to reach 100% capacity and flow over the spillway.

    2/16/2017 3:58:00 PM

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  • Why is maintaining a private sewer lateral important?
  • Who is responsible for repairing and maintaining private sewer laterals?
  • What is a private sewer lateral?
  • What about changes to building codes such as requiring rain harvesting and gray water systems for new development?
  • Why should new development be allowed at all during the drought emergency?
  • What requirements will be placed on new development to conserve water?
  • Why is new development continuing while existing customers are being asked to reduce their water use?
  • How do I learn more about my drinking water?
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