If a gravel pit exposes groundwater to evaporation, you must complete the Gravel Pit Well Permit Application form (GWS-27).  Often, a gravel pit will also be required to file a Subsitute Water Supply Plan.  For details, please see General Guidelines for Substitute Water Supply Plans for Sand and Gravel Pits.  Gravel pits located within a Designated Basin require a Replacement Plan, rather than a Substitute Water Supply Plan.

A report showing all active Sand and Gravel Pit SWSPs approved pursuant to 37-90-137(11) is available through Colorado Information Marketplace.

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