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Southern Water Supply Project II


The Southern Water Supply Project II is a raw water pipeline project that will supply high-quality Colorado-Big Thompson Project and Windy Gap Project water from Carter Lake to the City of Boulder, Left Hand Water District, Town of Berthoud and Longs Peak Water District. See the Project Summary page for additional information.


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  • Project Summary


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  • FAQ


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  • Contact Info


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How will the project affect me?

Northern Water works with each individual property owner to develop a reclamation plan specific to the property's needs.

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