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Construction stormwater

SWPPP & Stormwater Inspections

Data center campuses disturb dozens of acres, and stormwater inspectors check the paperwork as closely as the silt fence. AAAT3 keeps your SWPPP current, runs the inspections and closes corrective actions on time so fines and stop work orders never reach your schedule.

  • SWPPP updates
  • Weekly & rain inspections
  • BMP tracking
  • Concrete washout
  • Permit termination

By the numbers

What a stormwater lapse costs

$26,685

Maximum EPA penalty per day, per violation, for construction stormwater permit violations

EPA, 2024
1 acre

Disturbance that typically triggers a construction stormwater permit and SWPPP

EPA Construction General Permit

What’s included

Stormwater compliance that survives an inspection

If it is not in the log, the inspector assumes it did not happen.

01

SWPPP management

The plan must match the site as it changes week to week.

  • SWPPP review and updates
  • Site maps kept current
  • Amendments when phases change
  • Plan kept on site and available
02

Inspections

Inspections are on a schedule and after qualifying rain.

  • Weekly or permit-required inspections
  • Rain event inspections
  • Photo records for each BMP
  • Signed inspection reports
03

BMPs and corrective actions

Broken controls must be fixed by the permit deadline.

  • Silt fence, inlet and outlet checks
  • Track out and stabilized entrances
  • Concrete washout control
  • Corrective actions closed on time

Project management and consulting

Project management and consulting for stormwater

AAAT3 can run your stormwater program, staff inspectors or audit the site before a regulator visit.

Stormwater program management

We run inspections, logs, SWPPP updates and corrective actions for the life of the project.

Best for: Large sites with phased grading

Qualified inspector staffing

Trained inspectors for scheduled and rain event inspections.

Best for: Sites without a dedicated inspector

Pre-inspection audits

Mock regulator inspections with a fix list.

Best for: Sites expecting EPA or state visits

BMP subcontractor oversight

Oversight of erosion control crews and repairs.

Best for: Sites with frequent BMP damage

Notice of termination support

Final stabilization checks and permit closeout.

Best for: Projects nearing completion

Violation response

Corrective action plans and documentation after a notice.

Best for: Sites with a violation or complaint

How it works

From permit to termination

Permit

Coverage confirmed and SWPPP ready.

Install

BMPs placed before grading.

Inspect

Scheduled and rain event checks.

Correct

Fixes logged and closed.

Update

SWPPP amended as the site changes.

Terminate

Final stabilization and NOT filed.

Rule of thumb: photograph every BMP on every inspection. Photos settle arguments that logs cannot.

Ways to work with us

Pick the level of support you need

Start small with a review, put a qualified person on site, or hand us the whole program. Every option is priced to your scope.

Quick start

Stormwater audit

A site walk and log review against your permit.

  • SWPPP and log review
  • Field audit
  • Fix list
  • Report in days
Request an audit

Most popular

Inspection service

AAAT3 inspectors run your scheduled and rain inspections.

  • Weekly inspections
  • Rain event inspections
  • Photo reports
  • Corrective action tracking
Get an inspection quote

Full program

Stormwater program management

We manage stormwater compliance for the whole project.

  • SWPPP management
  • Inspections
  • BMP oversight
  • Owner reporting
Talk to a project manager

What you get

Deliverables

Updated SWPPP

Plan and maps matched to the current site.

Inspection reports

Signed reports with photos.

Corrective action log

Every fix tracked to closure.

Rain event log

Rain totals and inspections.

Audit report

Findings before the regulator finds them.

Termination package

Final stabilization records.

Standards

Codes and standards we work to

Stormwater

3
  • EPA Construction General Permit

    Stormwater discharges from constructionFederal

  • Clean Water Act Section 402

    NPDES permitsFederal

  • State CGPs

    State stormwater permits where delegatedFederal

Federal

2
  • EM 385-1-1

    USACE safety and health requirementsFederal

  • UFGS 01 57 23

    Temporary stormwater pollution controlFederal

FAQ

Common questions

When is a SWPPP required?

Generally when construction disturbs one acre or more, or is part of a larger plan that will. Your state or EPA permit sets the exact rules.

How often are inspections required?

Most permits require inspections every 7 days, or every 14 days plus after qualifying rain events. Check your permit for the exact schedule.

What happens if a BMP fails?

The permit sets a deadline to fix it, often within days. The repair must be logged with the date.

Can AAAT3 run our inspections?

Yes. We provide trained inspectors for scheduled and rain event inspections with photo reports.

What is a notice of termination?

The filing that ends permit coverage once the site reaches final stabilization.

Get a quote for SWPPP & Stormwater Inspections

Tell us about your project, location and start date. We reply with a plan and pricing.

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