Looking for a SWPPP consultant in Ethan, SD? Describe your project once and up to three stormwater consultants who work in Ethan and Davison County get back to you with a quote. It's free and there is no obligation.
Ethan is home to about 358 people (2024 Census Bureau estimate), a stable community (+0.0% since 2020). With 1,403 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Ethan at a glance
- Population (Census Bureau estimate, 2024)
- 358 (+0.0% since 2020)
- Rank in South Dakota
- 142nd of 310 cities and towns
- Land area
- 0.3 sq mi
- Population density
- 1,403 people per sq mi (suburban)
- Type
- Town (Ethan town)
- Main county
- Davison County
What to check before hiring in Ethan
- Permit: in South Dakota, check the state construction general permit.
- Local rules: Ethan 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 Ethan
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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 Ethan
How much does a SWPPP cost in Ethan, SD?
It depends on site size, phases and inspections. Describe your project: consultants who serve Ethan 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 Ethan 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.