Looking for a SWPPP consultant in West Yellowstone, MT? Describe your project once and up to three stormwater consultants who work in West Yellowstone and Gallatin County get back to you with a quote. It's free and there is no obligation.
West Yellowstone is home to about 1,202 people (2024 Census Bureau estimate), a shrinking community (−5.9% since 2020). With 1,324 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
West Yellowstone at a glance
- Population (Census Bureau estimate, 2024)
- 1,202 (−5.9% since 2020)
- Rank in Montana
- 50th of 126 cities and towns
- Land area
- 0.9 sq mi
- Population density
- 1,324 people per sq mi (suburban)
- Type
- Town (West Yellowstone town)
- Main county
- Gallatin County
What to check before hiring in West Yellowstone
- Permit: in Montana, check the state construction general permit.
- Local rules: West Yellowstone 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 West Yellowstone
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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 West Yellowstone
How much does a SWPPP cost in West Yellowstone, MT?
It depends on site size, phases and inspections. Describe your project: consultants who serve West Yellowstone 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 West Yellowstone 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.