Looking for a drainage contractor in Derby, IA? Describe your project once and up to five drainage contractors who work in Derby and Lucas County get back to you with a quote. It's free and there is no obligation.
Derby is home to about 89 people (2024 Census Bureau estimate), a growing community (+1.1% since 2020). With 349 people per sq mi, it is a semi-rural area. Heavy rains, clay soils and flat lots are common causes of soggy yards here.
Derby at a glance
- Population (Census Bureau estimate, 2024)
- 89 (+1.1% since 2020)
- Rank in Iowa
- 837th of 940 cities and towns
- Land area
- 0.3 sq mi
- Population density
- 349 people per sq mi (semi-rural)
- Type
- City (Derby city)
- Main county
- Lucas County
What to check before hiring in Derby
- 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 Iowa, 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 Derby
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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 Derby
How much does yard drainage cost in Derby, IA?
It depends on the length of drain, the depth and the outlet. Describe the problem: contractors who serve Derby 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 five independent drainage contractors who serve Derby 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.