Looking for a drainage contractor in Portage Des Sioux, MO? Describe your project once and up to three drainage contractors who work in Portage Des Sioux and St. Charles County get back to you with a quote. It's free and there is no obligation.
Portage Des Sioux is home to about 323 people (2024 Census Bureau estimate), a shrinking community (−2.4% since 2020). With 561 people per sq mi, it is a semi-rural area. Heavy rains, clay soils and flat lots are common causes of soggy yards here.
Portage Des Sioux at a glance
- Population (Census Bureau estimate, 2024)
- 323 (−2.4% since 2020)
- Rank in Missouri
- 554th of 938 cities and towns
- Land area
- 0.6 sq mi
- Population density
- 561 people per sq mi (semi-rural)
- Type
- City (Portage Des Sioux city)
- Main county
- St. Charles County
What to check before hiring in Portage Des Sioux
- Call 811: utilities must be marked before digging.
- Outlet: ask where the water will go; local rules limit discharges toward neighbors and streets.
- Permits: in Missouri, large grading jobs may need a permit from the city or county.
- Price drivers: length of drain, depth, outlet, and lawn or hardscape restoration.
Useful official resources
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Call 811
Official information and guidance.
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EPA: green infrastructure for homeowners
Official information and guidance.
Services available in Portage Des Sioux
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French drain or yard drain
French drain, catch basins or channel drains to move water away from the problem area.
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Grading and regrading
Regrading the soil so that water flows away from the house.
Frequently asked questions in Portage Des Sioux
How much does yard drainage cost in Portage Des Sioux, MO?
It depends on the length of drain, the depth and the outlet. Describe the problem: contractors who serve Portage Des Sioux reply with a quote.
How long does it take?
Most residential drains take one to three days.
Will a drain fix a wet basement?
It can help when water comes from the yard; inside problems may need waterproofing too.
Which drainage contractors will contact me?
Up to three independent drainage contractors who serve Portage Des Sioux 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.