Looking for a SWPPP consultant in South Prairie, WA? Describe your project once and up to three stormwater consultants who work in South Prairie and Pierce County get back to you with a quote. It's free and there is no obligation.
South Prairie is home to about 367 people (2024 Census Bureau estimate), a shrinking community (−1.6% since 2020). With 958 people per sq mi, it is a semi-rural area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
South Prairie at a glance
- Population (Census Bureau estimate, 2024)
- 367 (−1.6% since 2020)
- Rank in Washington
- 248th of 281 cities and towns
- Land area
- 0.4 sq mi
- Population density
- 958 people per sq mi (semi-rural)
- Type
- Town (South Prairie town)
- Main county
- Pierce County
What to check before hiring in South Prairie
- Permit: in Washington, check the state construction general permit.
- Local rules: South Prairie 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 South Prairie
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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 South Prairie
How much does a SWPPP cost in South Prairie, WA?
It depends on site size, phases and inspections. Describe your project: consultants who serve South Prairie 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 South Prairie 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.