Looking for a SWPPP consultant in Oshkosh, WI? Describe your project once and up to three stormwater consultants who work in Oshkosh and Winnebago County get back to you with a quote. It's free and there is no obligation.
Oshkosh is home to about 67,242 people (2024 Census Bureau estimate), a stable community (+0.5% since 2020). With 2,441 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Oshkosh at a glance
- Population (Census Bureau estimate, 2024)
- 67,242 (+0.5% since 2020)
- Rank in Wisconsin
- 9th of 607 cities and towns
- Land area
- 28 sq mi
- Population density
- 2,441 people per sq mi (suburban)
- Type
- City (Oshkosh city)
- Main county
- Winnebago County
What to check before hiring in Oshkosh
- Permit: in Wisconsin, check the state construction general permit.
- Local rules: Oshkosh 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 Oshkosh
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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 Oshkosh
How much does a SWPPP cost in Oshkosh, WI?
It depends on site size, phases and inspections. Describe your project: consultants who serve Oshkosh 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 Oshkosh 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.