Lakes and water in Montana
Lake depth maps, water quality, public access, and public waters status.
Montana water rights and well records
Montana water rights, permits and exempt wells. Well logs themselves are in the Ground Water Information Center.
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- Montana Ground Water Information CenterSearch Montana well logs by location or owner: depth, yield, water level and the driller's report for wells across the state.
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- Montana DEQMontana's environmental agency: subdivision and septic review, water quality, air quality and mine reclamation.
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- Montana DNRCMontana state trust land, water rights, forestry and conservation districts. State land leases and easements start here.
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- U.S. Drought MonitorWeekly national drought map by county, with historical conditions and state summaries.
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- USGS National Map ViewerNational base map with elevation, hydrography, imagery, boundaries and PLSS layers.
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About lakes and water
Water-resource agencies publish lake and river maps, water-quality information, depth surveys, and public access locations. Available records and responsible agencies vary by state and water body.