Click to Meet the Board
District Manager-Engineer,
Benjamin T. Porter, P.E.
Click here to contact
Office Phone:
(408) 253-7071
Business Hours:
Monday - Friday,
8am-5pm
In-Person Counter Service:
Monday - Friday,
10am-3pm, or by appointment
After Hours & Weekends
Emergency Response Call:
(408) 299-2507
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IMPORTANT COVID-19 NOTICES:
Our office is now open to the public.
In-person permit counter service hours are M-F, 10am-3pm.
For in-person service outside of the daily hours, an appointment is required.
To get in touch with us please call (408) 253-7071 or send an email to: info@cupertinosanitarydistrict.org.
The safety of our customers, employees, and families remains our number one priority and we continue to follow CDC guidelines. We thank you for your patience and cooperation during this uneasy time.

We know you’re working hard to keep yourselves healthy during COVID19 Shelter-in-Place. Help us keep our sewers healthy as well. Remember to never flush wipes, paper towels, or tissues because they clog our pump stations and the pipes! The District has 17 pump stations and it has become a major maintenance issue, resulting in significant cost increases (see photo to the right).
With the shortage of toilet paper, wipes are being used. Just remember: Save your pipes! No matter what the label says, don’t flush them – instead trash them.
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Below are links to recent CA media coverage related to COVID-19 and impacts on the wastewater system:
If you have any questions, please contact us at (408) 253-7071.
Sewer backing up? Call us First !
(408) 253-7071 M-F, 8am-5pm
or (408) 299-2507, After-Hours
We will respond to sewer backup calls 24/7.
Do NOT send an email for sewer backups.
Click here for more on sewer backups.
Current Projects
- Wolfe Road Sewer Relocation Project
UPDATES:
ORDINANCE NO. 130, AMENDING PROPERTY LINE CLEANOUT - SUMMARY
At the regular Board meeting held March 1, 2023, the Cupertino Sanitary District Board approved Ordinance No. 130. This ordinance amends the Cupertino Sanitary District Operations code pertaining to requirements for providing and maintaining cleanouts and sewer laterals.
Existing section 4101 "Cleanouts" of the Cupertino Sanitary District Operations Code is deleted and replaced by a new section 4101 which requires cleanouts in the following situations:
- All new developments
- Existing property fronting a public street and requiring a building permit when any new plumbing fixtures are added or the total cost of improvements exceed $50,000 or the upper lateral (from the building to the property line) is being replaced or repaired.
- Any property where a sewer blockage results from a defect in the existing cleanout
- Any property in which a District inspection shows "defect 4" pursuant to the National Association of Sewer Service Companies Pipe Assessment Certification Program or the cleanout's size is less than 4 inches in diameter.
Excepted from the foregoing requirements are installations of cleanouts at the option of the property owner as described.
Cleanouts must be installed by the property owner at no cost to the district. When cleanouts are connected to the existing lower lateral (from street right-of-way to the sewer main) the district will reimburse the owner at the rate of $400 per foot for any portion of the lateral more than 3 feet from the cleanouts if there is no sidewalk and curb and gutter replacement. If there is a sidewalk and curb and gutter replacement the rate is $500 per foot.
Click here to see the full text of Ordinance No. 130.
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Cupertino Sanitary District
Cupertino Sanitary District provides sewer service to over 23,000 customers within the communities of Cupertino, portions of Saratoga, Sunnyvale, Los Altos and unincorporated areas within Santa Clara County.
Our Mission
To protect the public health and environment. To provide for safe and cost-efficient collection of sewage waste within Cupertino Sanitary District. To provide for effective conveyance to the Treatment Plant.
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