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NPDES Inspections

Stay compliant with RSP Engineers' NPDES inspection services for your civil engineering projects.

Stormwater inlet with sediment-control baffles installed during construction

Ensuring Environmental Compliance with NPDES Inspections

RSP Engineers provides NPDES Inspections to keep your construction site in full compliance with the Clean Water Act. Our qualified inspectors monitor your site's erosion and sediment control measures, conduct routine inspections, and manage all necessary documentation and reporting. We help you avoid costly fines and project delays by ensuring your project meets all stormwater pollution prevention requirements.

Proactive Management of Stormwater Compliance

The National Pollutant Discharge Elimination System (NPDES) permit program regulates stormwater discharges from construction sites. Failure to comply can result in significant penalties. Our service provides peace of mind by managing all aspects of your site's stormwater compliance.

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Our Comprehensive NPDES Compliance Services

We handle every detail of the NPDES inspection process to ensure you remain compliant. Our services include:

Stormwater Pollution Prevention Plan (SWPPP)
  • We develop a comprehensive, site-specific SWPPP that details the Best Management Practices (BMPs) that will be used to control pollutants. We also assist in the proper implementation of all erosion and sediment control measures, such as silt fences, stabilized construction entrances, and inlet protection.
Detailed Reporting & Documentation
  • We prepare, maintain, and submit all required inspection reports, documenting site conditions, identifying any deficiencies, and tracking corrective actions. This creates a clear record of compliance.
Regulatory Liaison
  • We act as your representative during regulatory agency audits from the EPA, FDEP, or local municipalities.
Notice of Termination (NOT)
  • Once the site is fully stabilized, we manage the permit termination process by filing the NOT.

Who Needs NPDES Inspection Services?

Any construction project that disturbs one or more acres of land (or is part of a larger common plan of development) is typically required to obtain an NPDES permit. Our NPDES services are an integral part of a comprehensive Storm Drainage Design and management strategy.

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What Our Clients Say

When to bring in NPDES inspection

  • A construction project disturbs one acre or more, or is part of a larger common plan of development, and needs an NPDES permit and a site-specific SWPPP.
  • The permit requires routine documented inspections of erosion and sediment controls, including after qualifying rain events, with documented reports.
  • A regulatory audit is expected and the project wants a representative who can speak to its compliance record.
  • A site has been stabilized and the permit needs to be closed out with a Notice of Termination.

Markets this service applies to

Residential communities, Multifamily, Commercial property, Mixed-use development, Industrial, Industrial and logistics, Data centers, City and municipal, County government, Stormwater drainage and pump stations, Water distribution pipelines, Sewer pipelines and pump stations.

Data center pathways

For data center sites, the same scope is organized by question, with RSP Engineers' published guides on each:

Discuss a project

Tell us about the project — the site or property, the type of development, its stage, and what you need NPDES inspection for — and we will come back to you about scope and next steps.

Does my project need an NPDES permit?

If it disturbs one acre or more, or is part of a larger common plan of development, it generally needs an NPDES permit and a site-specific Stormwater Pollution Prevention Plan. The threshold is about total disturbance, not the size of one phase.

What does the permit require once construction starts?

Routine documented inspections of the erosion and sediment controls, including after qualifying rain events, with written reports. The documentation is as much a part of compliance as the controls themselves.

What is a SWPPP?

A site-specific plan setting out the practices used to control pollutants on a construction site, how they are installed and maintained, and how compliance is documented. It is prepared for the site rather than taken from a template.

What happens in a regulatory audit?

An inspector reviews the controls on site and the inspection record behind them. A project that has kept documented inspections can have a representative speak to its compliance record rather than reconstructing it afterwards.

How is a permit closed out?

Once the site is stabilized, the permit is closed with a Notice of Termination. Filing it matters - an open permit on a finished site leaves an obligation in place that nobody is monitoring.

Discuss npdes inspections for your project

Tell us the site, schedule and jurisdiction and we will confirm which disciplines and licences apply before proposing scope.