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DO I NEED A SWPPP?

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Last updated 6 years ago

First published 28 December, 2017

A SWPPP is a Storm Water Pollution Prevention Plan. It is a required part of the permitting process for most construction projects as part of the EPA's Clean Water Act. Although this requirement has been in place for a long time, many areas of the country are just now starting to require the plans prior to the commencement of construction activities. This decision tree will help you find out if your project needs a SWPPP.

Stormwater,SWPPP,Clean Water Act,Environmental

English Rating: ALL ages Shortest path: 3 nodes Longest path: 9 nodes Possible solutions: 9

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How Big is the Project? Large - Over 5 Acres. Medium - 1 to 5 Acres. Small - Less than 1 Acre.
A SWPPP is Required for this Project.
How Long will the Project Last? Long Project - More than 6 Months. Short Project - Less than 6 Months.
A SWPPP is Required for this Project.
What is the Erosivity Factor? - Check EPA Calculator. High Erosivity - More than 5. Low Erosivity - Less than 5.
A SWPPP is Required for this Project.
You may qualify for a Low Erosivity Waiver - Click Here for Details.
Is this Project Residential or Commercial? Commercial. Residential.
How Long will the Project Last? Long Project - More than 6 Months. Short Project - Less than 6 Months.
A SWPPP is Required for this Project.
What is the Erosivity Factor? - Check EPA Calculator (Link on Right). High Erosivity - More than 5. Low Erosivity - Less than 5.
A SWPPP is Required for this Project.
You may qualify for a Low Erosivity Waiver - Click Here for Details.
Is this Project part of a Common Plan of Development? Yes - the subdivision was built after 1992 and this project was part of the Common Plan of Development. No - the subdivision was built prior to 1992 or this project was not part of the original Common Plan of Development.
A Common Plan SWPPP is Required for this Project.
A SWPPP is NOT Required for this Project, unless otherwise specified by the MS4.