Debuff v. Montana Department of Natural Resources & Conservation
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The Supreme Court reversed in part and affirmed in part the order of the Montana Water Court reversing the order of the Montana Department of Natural Resources and Conservation (DNRC) denying Daniel and Sandra DeBuff's amended application for a beneficial water use permit, holding that the application satisfied the statutory criteria for a preliminary determination and may move forward to face objections.
Specifically, the Supreme Court held (1) DNRC did not improperly relied upon either a geologic map or a 1987 final order in making its determination; (2) the Water Court erred by holding that DNRC's determination that the source aquifer was not discontinuous was clearly erroneous; (3) the Water Court correctly determined that DNRC's failure to consider evapotranspiration evidence provided by DeBuff was arbitrary and capricious; and (4) DNRC's determination that the water was not legally available and would have an adverse effect on senior appropriators was arbitrary and capricious.
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