Looking for a SWPPP consultant in Lake Mills, WI? Describe your project once and up to three stormwater consultants who work in Lake Mills and Jefferson County get back to you with a quote. It's free and there is no obligation.
Lake Mills is home to about 6,617 people (2024 Census Bureau estimate), a growing community (+6.4% since 2020). With 1,582 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Lake Mills at a glance
- Population (Census Bureau estimate, 2024)
- 6,617 (+6.4% since 2020)
- Rank in Wisconsin
- 135th of 607 cities and towns
- Land area
- 4.2 sq mi
- Population density
- 1,582 people per sq mi (suburban)
- Type
- City (Lake Mills city)
- Main county
- Jefferson County
What to check before hiring in Lake Mills
- Permit: in Wisconsin, check the state construction general permit.
- Local rules: Lake Mills 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 Lake Mills
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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 Lake Mills
How much does a SWPPP cost in Lake Mills, WI?
It depends on site size, phases and inspections. Describe your project: consultants who serve Lake Mills 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 Lake Mills 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.