Looking for a SWPPP consultant in Ypsilanti, MI? Describe your project once and up to three stormwater consultants who work in Ypsilanti and Washtenaw County get back to you with a quote. It's free and there is no obligation.
Ypsilanti is home to about 20,150 people (2024 Census Bureau estimate), a shrinking community (−2.4% since 2020). With 4,694 people per sq mi, it is a densely built-up area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Ypsilanti at a glance
- Population (Census Bureau estimate, 2024)
- 20,150 (−2.4% since 2020)
- Rank in Michigan
- 55th of 533 cities and towns
- Land area
- 4.3 sq mi
- Population density
- 4,694 people per sq mi (densely built-up)
- Type
- City (Ypsilanti city)
- Main county
- Washtenaw County
What to check before hiring in Ypsilanti
- Permit: in Michigan, check the state construction general permit.
- Local rules: Ypsilanti 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 Ypsilanti
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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 Ypsilanti
How much does a SWPPP cost in Ypsilanti, MI?
It depends on site size, phases and inspections. Describe your project: consultants who serve Ypsilanti 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 Ypsilanti 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.