Looking for a SWPPP consultant in San Jose, IL? Describe your project once and up to five stormwater consultants who work in San Jose and Mason County get back to you with a quote. It's free and there is no obligation.
San Jose is home to about 469 people (2024 Census Bureau estimate), a shrinking community (−3.7% since 2020). With 1,133 people per sq mi, it is a suburban area. Subdivisions and commercial sites here need stormwater permit coverage before grading.
San Jose at a glance
- Population (Census Bureau estimate, 2024)
- 469 (−3.7% since 2020)
- Rank in Illinois
- 883rd of 1,294 cities and towns
- Land area
- 0.4 sq mi
- Population density
- 1,133 people per sq mi (suburban)
- Type
- Village (San Jose village)
- Main county
- Mason County
What to check before hiring in San Jose
- Permit: in Illinois, check the state construction general permit.
- Local rules: San Jose 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 San Jose
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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 San Jose
How much does a SWPPP cost in San Jose, IL?
It depends on site size, phases and inspections. Describe your project: consultants who serve San Jose 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 five independent stormwater consultants who serve San Jose 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.