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EPA Region 1
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Dewatering General Permit (DGP) for Massachusetts & New Hampshire

The Dewatering General Permit (DGP) for Massachusetts & New Hampshire webpage has moved. This web address will expire soon.

You will be redirected in 10 seconds to the new web address (https://www.epa.gov/npdes-permits/dewatering-general-permit-dgp-massachusetts-new-hampshire).

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Last updated on March 28, 2022