Cupertino, CA · Santa Clara County
C3 Low Impact Development (LID) Impervious Surface Data Form
This form records project and impervious-surface information for development and redevelopment applicants whose projects must comply with stormwater requirements.
What this form is
The form collects project details, site area and impervious-surface calculations, stormwater applicability information, proposed control measures, and operation and maintenance contacts. The document says qualifying development and redevelopment projects must complete it and submit it with the development project application; it identifies thresholds for most projects and large single-family homes. It also provides sections for treatment sizing and municipal staff review.
Who needs it
Applicants for qualifying development or redevelopment projects must complete this worksheet, including large single-family home projects that meet the stated impervious-surface threshold.
How to submit it
Submit it to the city department named on the form; check the city website for current contact details.
About notarization
This form is completed without a notary; no attachment is identified as notarized or sworn, and it asks for the completion date and name of the person completing it.
How to submit this form
- 1
Download The Form
Download the C3 LID Impervious Surface Data Form.
- 2
Complete Project Details
Enter project information, site areas, impervious-surface totals, applicability answers, and selected stormwater measures.
- 3
Gather Project Information
Provide the requested treatment sizing and operation and maintenance information, as applicable.
- 4
Submit With The Application
Submit the completed form with the development project application; check the city website for current contact details.
Frequently asked questions
- Who completes the C3 LID Impervious Surface Data Form?
- Applicants for development or redevelopment projects that meet the form's stated stormwater thresholds complete it. The document also identifies qualifying large single-family home projects.
- What information does this form request?
- It asks for project information, site and impervious-area calculations, stormwater applicability answers, selected control measures, treatment sizing details, and operation and maintenance contacts.
- Do I need a notary for the C3 LID Impervious Surface Data Form?
- No. This form is completed without a notary, and it identifies no notarized or sworn attachment. It asks for the completion date and the name of the person completing it.
- How do I submit the C3 LID Impervious Surface Data Form?
- The form says to submit it with the development project application, but its return-to field is blank. Check the city website for current contact details.
Need something notarized?
This C3 Low Impact Development (LID) Impervious Surface Data Form doesn’t need a notary — but if you have another Cupertino form that does, a commissioned online notary can help.