Diamond Bar, CA · Los Angeles County
Stormwater Treatment Certification Form P2
A registered professional civil engineer completes this form to document stormwater treatment measures and certify their design and capacity for a project.
What this form is
This form records a project site’s name and address, plan check and planning numbers, and approximate roofed, paved, landscaped, and other impervious areas. The engineer lists structural or treatment BMP details, including tributary areas, potential pollutants, locations, and treatment capacity, then certifies that the methods and capacities comply with the stated LID requirements. The form also calls for the engineer’s signature, date, and wet-ink registration stamp.
Who needs it
A registered professional civil engineer completes and certifies this form for a project with structural or treatment BMPs.
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 has no notary block; the engineer signs and dates it and affixes a wet-ink registration stamp, with no notarized attachment or sworn step specified.
How to submit this form
- 1
Download the Form
Download the Stormwater Treatment Certification Form P2 PDF.
- 2
Complete Project Details
Enter the site name and address, plan numbers, approximate project areas, and structural or treatment BMP information.
- 3
Add Supporting Sheets
Attach additional sheets as necessary to provide structural or treatment BMP information.
- 4
Certify and Submit
Have the registered professional civil engineer sign and date the form and affix a wet-ink registration stamp, then submit it to the city department named on the form.
Frequently asked questions
- What information does the Stormwater Treatment Certification Form P2 request?
- It requests project site and plan numbers, approximate site area characteristics, and details about structural or treatment BMPs, including location, pollutants, and treatment capacity.
- Who signs the Stormwater Treatment Certification Form P2?
- A professional civil engineer registered in California certifies the treatment methods and capacities, then prints their name, signs and dates the form, and affixes a wet-ink registration stamp.
- Do I need a notary for the Stormwater Treatment Certification Form P2?
- No. The form has no notary block; the engineer signs and dates it and provides a wet-ink registration stamp. It specifies no notarized attachment or sworn step.
- How do I submit the Stormwater Treatment Certification Form P2?
- Submit it to the city department named on the form; check the city website for current contact details.