Looking for a SWPPP consultant in Liberal, KS? Describe your project once and up to three stormwater consultants who work in Liberal and Seward County get back to you with a quote. It's free and there is no obligation.
Liberal is home to about 19,184 people (2024 Census Bureau estimate), a shrinking community (−3.3% since 2020). With 1,596 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Liberal at a glance
- Population (Census Bureau estimate, 2024)
- 19,184 (−3.3% since 2020)
- Rank in Kansas
- 23rd of 625 cities and towns
- Land area
- 12 sq mi
- Population density
- 1,596 people per sq mi (suburban)
- Type
- City (Liberal city)
- Main county
- Seward County
What to check before hiring in Liberal
- Permit: in Kansas, check the state construction general permit.
- Local rules: Liberal 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 Liberal
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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 Liberal
How much does a SWPPP cost in Liberal, KS?
It depends on site size, phases and inspections. Describe your project: consultants who serve Liberal 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 Liberal 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.