Creeks and Creek Projects Map

The city of Boulder is home to Boulder Creek, its 14 tributaries, and Boulder Slough (an irrigation channel).

Current and past flood mitigation project information along specific drainageways can be found by clicking on the corresponding creek in the map below.

*The boundaries outlined in the map are not intended to be representative of floodplains but are intended to be reflective of drainage areas within the city for each creek.