GEOGRAPHIC INFORMATION

Statewide Maps - Surface Water Supply Index (SWSI)

June 2018

May 2018

April 2018

View/Download Maps and Reports

YearMonthMapReport
2018 June Map Report
2018 May Map Report
2018 April Map Report
2018 March Map Report
2017 October Map Report
2017 September Map Report
2017 August Map Report
2017 July Map Report
2017 June Map Report
2017 May Map Report
2017 April Map Report
2017 March Map Report
2017 February Map Report
2017 January Map Report
2016 October Map Report
2016 September Map Report
2016 August Map Report
2016 July Map Report
2016 June Map Report
2016 May Map Report
2016 April Map Report
2016 March Map Report
2016 February Map Report
2016 January Map Report

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These maps are produced in partnership with the NRCS. Data are compiled by the Montana Snow Survey Program of the USDA Natural Resources Conservation Service. Please see the NRCS web site for explanations of their data collection programs.

Natural Resource Conservation Service

For additional information, contact:
Lucas Zukiewicz, Hydrologist
Natural Resources Conservation Service
Lucas.Zukiewicz@mt.usda.gov
(406) 587-6843

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