Looking for a SWPPP consultant in Index, WA? Describe your project once and up to three stormwater consultants who work in Index and Snohomish County get back to you with a quote. It's free and there is no obligation.
Index is home to about 160 people (2024 Census Bureau estimate), a growing community (+3.9% since 2020). With 696 people per sq mi, it is a semi-rural area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Index at a glance
- Population (Census Bureau estimate, 2024)
- 160 (+3.9% since 2020)
- Rank in Washington
- 273rd of 281 cities and towns
- Land area
- 0.2 sq mi
- Population density
- 696 people per sq mi (semi-rural)
- Type
- Town (Index town)
- Main county
- Snohomish County
What to check before hiring in Index
- Permit: in Washington, check the state construction general permit.
- Local rules: Index 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 Index
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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 Index
How much does a SWPPP cost in Index, WA?
It depends on site size, phases and inspections. Describe your project: consultants who serve Index 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 Index 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.