Looking for a SWPPP consultant in Whittier, CA? Describe your project once and up to three stormwater consultants who work in Whittier and Los Angeles County get back to you with a quote. It's free and there is no obligation.
Whittier is home to about 85,589 people (2024 Census Bureau estimate), a shrinking community (−2.6% since 2020). With 5,843 people per sq mi, it is a densely built-up area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Whittier at a glance
- Population (Census Bureau estimate, 2024)
- 85,589 (−2.6% since 2020)
- Rank in California
- 99th of 482 cities and towns
- Land area
- 15 sq mi
- Population density
- 5,843 people per sq mi (densely built-up)
- Type
- City (Whittier city)
- Main county
- Los Angeles County
What to check before hiring in Whittier
- Permit: in California, check the state construction general permit.
- Local rules: Whittier may add its own erosion control permit.
- Records: keep inspection reports on site.
- Price drivers: site size, phases, inspection frequency and duration.
Useful official resources
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EPA: construction stormwater
Official information and guidance.
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EnviroCert: CPESC
Official information and guidance.
Services available in Whittier
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SWPPP and permit coverage
Preparation of the SWPPP and notice of intent under the construction general permit.
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Stormwater inspections
Routine and post-storm inspections with reports for the permit.
Frequently asked questions in Whittier
How much does a SWPPP cost in Whittier, CA?
It depends on site size, phases and inspections. Describe your project: consultants who serve Whittier reply with a quote.
How long does it take?
Plans often take days to a couple of weeks, plus the permit review.
What happens at the end?
A notice of termination is filed once the site is stabilized.
Which stormwater consultants will contact me?
Up to three independent stormwater consultants who serve Whittier and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.