Looking for a SWPPP consultant in Rio, WI? Describe your project once and up to three stormwater consultants who work in Rio and Columbia County get back to you with a quote. It's free and there is no obligation.
Rio is home to about 1,126 people (2024 Census Bureau estimate), a stable community (+0.3% since 2020). With 898 people per sq mi, it is a semi-rural area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Rio at a glance
- Population (Census Bureau estimate, 2024)
- 1,126 (+0.3% since 2020)
- Rank in Wisconsin
- 351st of 607 cities and towns
- Land area
- 1.3 sq mi
- Population density
- 898 people per sq mi (semi-rural)
- Type
- Village (Rio village)
- Main county
- Columbia County
What to check before hiring in Rio
- Permit: in Wisconsin, check the state construction general permit.
- Local rules: Rio 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 Rio
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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 Rio
How much does a SWPPP cost in Rio, WI?
It depends on site size, phases and inspections. Describe your project: consultants who serve Rio 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 Rio 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.