Looking for a SWPPP consultant in Newcastle, WY? Describe your project once and up to three stormwater consultants who work in Newcastle and Weston County get back to you with a quote. It's free and there is no obligation.
Newcastle is home to about 3,354 people (2024 Census Bureau estimate), a stable community (−0.4% since 2020). With 1,310 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Newcastle at a glance
- Population (Census Bureau estimate, 2024)
- 3,354 (−0.4% since 2020)
- Rank in Wyoming
- 21st of 99 cities and towns
- Land area
- 2.6 sq mi
- Population density
- 1,310 people per sq mi (suburban)
- Type
- City (Newcastle city)
- Main county
- Weston County
What to check before hiring in Newcastle
- Permit: in Wyoming, check the state construction general permit.
- Local rules: Newcastle 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 Newcastle
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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 Newcastle
How much does a SWPPP cost in Newcastle, WY?
It depends on site size, phases and inspections. Describe your project: consultants who serve Newcastle 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 Newcastle 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.