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Underdrain Variance

As per City Municipal Code Section 15.05.070, the use of any conveyance system other then a gravity building perimeter underdrain system, including but not limited to sump pumps/sump pits, must be approved in writing prior to installation and obtaining of building permit or construction activity permit by the Public Works and Natural Resources Director or designee. The owner/developer shall complete the Underdrain Variance Application.


Storm Drainage

1100 S. Sherman

Longmont, CO 80501

Phone: (303) 651-8376

or email:

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Stormwater Program|Water Utilities|Public Works & Natural Resources|City of Longmont

This page was updated November 1, 2013
City of Longmont Public Works & Natural Resources Department
Stormwater Quality Program