Layers
National Hydrographic Data
Flowline
Perennial
Intermittent
Artificial Path
Canal Ditch
Coastline
Pipeline
Connector
Ephemeral
Underground Conduit
Area
Area of Complex Channels
Area to be Submerged
BayInlet
CanalDitch
DamWeir
Foreshore
Inundation Area
Lock Chamber
Rapids
SeaOcean
Special Use Zone
Spillway
StreamRiver
Submerged Stream
Wash
Water IntakeOutflow
Bridge
Flume
Hazard Zone
National Watershed Boundary
WBDLine
2-digit Hydrologic Unit
4-digit Hydrologic Unit
6-digit Hydrologic Unit
8-digit Hydrologic Unit
10-digit Hydrologic Unit
12-digit Hydrologic Unit
14-digit Hydrologic Unit
16-digit Hydrologic Unit
HUD
2-digit HU (Region)
4-digit HU (Subregion)
6-digit HU (Basin)
8-digit HU (Subbasin)
10-digit HU (Watershed)
12-digit HU (Subwatershed)
14-digit HU
16-digit HU
Montana Wetlands and Riparian Areas
Wetland and Riparian Mapping
Lake
River
Freshwater Pond
Freshwater Emergent Wetland
Freshwater Scrub-Shrub Wetland
Freshwater Forested Wetland
Farmed Wetland
Riparian Emergent
Riparian Scrub-Shrub
Riparian Forested
Quad Status 2021
Updated Mapping Completed
Modern Mapping Completed
Updated Mapping In Progress
Modern Mapping In Progress
Scheduled to be Updated
Scheduled to be Mapped
Outdated Mapping (NWI Legacy) by USFWS
CD Boundaries
County Boundaries
Map legends for permits
Approved
Approved with Modifications
Denied
Rejected
Ready for CD
Under Review
On Inspection
Changes requested
Handled Externaly
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