Looking for a SWPPP consultant in Norristown, PA? Describe your project once and up to three stormwater consultants who work in Norristown and Montgomery County get back to you with a quote. It's free and there is no obligation.
Norristown is home to about 36,075 people (2024 Census Bureau estimate), a stable community (+0.9% since 2020). With 10,263 people per sq mi, it is a densely built-up area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
Norristown at a glance
- Population (Census Bureau estimate, 2024)
- 36,075 (+0.9% since 2020)
- Rank in Pennsylvania
- 14th of 1,013 cities and towns
- Land area
- 3.5 sq mi
- Population density
- 10,263 people per sq mi (densely built-up)
- Type
- Borough (Norristown borough)
- Main county
- Montgomery County
What to check before hiring in Norristown
- Permit: in Pennsylvania, check the state construction general permit.
- Local rules: Norristown 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 Norristown
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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 Norristown
How much does a SWPPP cost in Norristown, PA?
It depends on site size, phases and inspections. Describe your project: consultants who serve Norristown 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 Norristown 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.