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Short Term De Minimis General Permit (B7)

The Short-term De Minimis Discharge Permit (previously the Construction Dewatering Permit) authorizes short term, uncontaminated discharges of groundwater generated during construction activities for the purpose of lowering the groundwater table.  This permit also authorizes other short term uncontaminated clean water discharges (e.g., Aquifer Storage and Recover (ASR)) discharges.  A de minimis discharge for the purposes of this general permit is defined as a discharge containing a relatively insignificant amount of pollutants that complies with all of the conditions specified in this permit, including the limitations specified in Attachment 1.  This permit action also serves to allow the Department the ability to authorize the discharge of effluent of this type into waters classified as Category One waters where these discharges are subject to additional restrictions.

Applicants must request authorization to be covered by submitting a completed Request For Authorization (RFA) Certification Form, including the associated representative analytical data, which must be received by the Department at least 14 days prior to discharge.


Related Documents

File Type
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NJ0134511, Final Permit, issued 05/20/2015 pdf
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2014 Draft Permit, NJ0134511, issued 10/15/2014 pdf
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B7, De Minimis Request for Authorization Checklist pdf
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B7, Request for Authorization (RFA) Certification Form pdf

Program Contact: Dave Thomas, Bureau of Surface Water Permitting, (609) 292-4860



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Last Update: March 27, 2019