Looking for a SWPPP consultant in DeForest, WI? Describe your project once and up to three stormwater consultants who work in DeForest and Dane County get back to you with a quote. It's free and there is no obligation.
DeForest is home to about 12,260 people (2024 Census Bureau estimate), a growing community (+13.5% since 2020). With 1,302 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
DeForest at a glance
- Population (Census Bureau estimate, 2024)
- 12,260 (+13.5% since 2020)
- Rank in Wisconsin
- 81st of 607 cities and towns
- Land area
- 9.4 sq mi
- Population density
- 1,302 people per sq mi (suburban)
- Type
- Village (DeForest village)
- Main county
- Dane County
What to check before hiring in DeForest
- Permit: in Wisconsin, check the state construction general permit.
- Local rules: DeForest 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 DeForest
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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 DeForest
How much does a SWPPP cost in DeForest, WI?
It depends on site size, phases and inspections. Describe your project: consultants who serve DeForest 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 DeForest 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.