Ecology Publications & Forms
Determination of Significance, Switzler Reservoir Project
Determination of Significance, Switzler Reservoir Project (Number of pages: 3) (Publication Size: 737KB)
|SEPA Responsible Officials: G. Thomas Tebb, Mo-chi Lindblad, and Jerrod MacPherson
|A determination of significance is a State Environmental Policy Act document which serves as a determination that a proposed project or action may have significant environmental impacts. It will be followed up with an environmental impact study.
To meet existing demands along with new instream and out-of-stream demands, a new Columbia River off-channel surface water storage reservoir would be constructed in
Switzler Canyon, with a peak storage capacity of approximately 44,000 acre-feet,
through construction of a concrete-faced rockfill dam approximately 325 feet in height. Water would be diverted from the Columbia River during periods when water is
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|Melissa Downes at 509-454-4259 or Melissa.Downes@ecy.wa.gov
|water supply, SEPA, SEPA DNS
State Environmental Policy Act Co-Lead Memorandom of Agreement for the Switzler Reservoir Project
State Environmental Policy Act Environmental Checklist for the Switzler Reservoir Project
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