NHD Feature Code Descriptions
FCode Description
42000 Underground Conduit
42001 Underground Conduit: Positional Accuracy = Definite
42002 Underground Conduit: Positional Accuracy = Indefinite
42003 Underground Conduit: Positional Accuracy = Approximate
42820 Pipeline: Pipeline Type = Stormwater
42821 Pipeline: Pipeline Type = Stormwater; Relationship to Surface = At or Near
42822 Pipeline: Pipeline Type = Stormwater; Relationship to Surface = Elevated
42823 Pipeline: Pipeline Type = Stormwater; Relationship to Surface = Underground
42824 Pipeline: Pipeline Type = Stormwater; Relationship to Surface = Underwater
46601 Swamp/Marsh: Hydrographic Category = Intermittent
43625 Reservoir: Reservoir Type = Disposal; Construction Material = Earthen
43626 Reservoir: Reservoir Type = Disposal; Construction Material = Nonearthen
56600 Coastline
30700 Area to be Submerged
31200 Bay/Inlet
31800 Bridge
33400 Connector
33600 Canal/Ditch
33601 Canal/Ditch: Canal/Ditch Type = Aqueduct
34300 Dam/Weir
34305 Dam/Weir: Construction Material = Earthen
34306 Dam/Weir: Construction Material = Nonearthen
36100 Playa
36200 Flume
36400 Foreshore
46602 Swamp/Marsh: Hydrographic Category = Perennial
36700 Gaging Station
36900 Gate
37300 Hazard Zone
37800 Ice Mass
39000 Lake/Pond
39001 Lake/Pond: Hydrographic Category = Intermittent
39004 Lake/Pond: Hydrographic Category = Perennial
39005 Lake/Pond: Hydrographic Category = Intermittent; Stage = High Water Elevation
39006 Lake/Pond: Hydrographic Category = Intermittent; Stage = Date of Photography
43624 Reservoir; Reservoir Type = Treatment
39009 Lake/Pond: Hydrographic Category = Perennial; Stage = Average Water Elevation
39010 Lake/Pond: Hydrographic Category = Perennial; Stage = Normal Pool
39011 Lake/Pond: Hydrographic Category = Perennial; Stage = Date of Photography
39012 Lake/Pond: Hydrographic Category = Perennial; Stage = Spillway Elevation
39800 Lock Chamber
40300 Inundation Area
40307 Inundation Area: Inundation Control Status = Not Controlled
40308 Inundation Area: Inundation Control Status = Controlled
40309 Inundation Area: Inundation Control Status = Controlled; Stage = Flood Elevation
41100 Nonearthen Shore
42800 Pipeline
42801 Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = At or Near
42802 Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Elevated
42803 Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Underground
42804 Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Underwater
42805 Pipeline: Pipeline Type = General Case; Relationship to Surface = At or Near
42806 Pipeline: Pipeline Type = General Case; Relationship to Surface = Elevated
42807 Pipeline: Pipeline Type = General Case; Relationship to Surface = Underground
42808 Pipeline: Pipeline Type = General Case; Relationship to Surface = Underwater
42809 Pipeline: Pipeline Type = Penstock; Relationship to Surface = At or Near
42810 Pipeline: Pipeline Type = Penstock; Relationship to Surface = Elevated
42811 Pipeline: Pipeline Type = Penstock; Relationship to Surface = Underground
42812 Pipeline: Pipeline Type = Penstock; Relationship to Surface = Underwater
42813 Pipeline: Pipeline Type = Siphon
42814 Pipeline: Pipeline Type = General Case
42815 Pipeline: Pipeline Type = Penstock
42816 Pipeline: Pipeline Type = Aqueduct
43100 Rapids
43400 Reef
43600 Reservoir
43601 Reservoir: Reservoir Type = Aquaculture
43603 Reservoir: Reservoir Type = Decorative Pool
43604 Reservoir: Reservoir Type = Tailings Pond; Construction Material = Earthen
43605 Reservoir: Reservoir Type = Tailings Pond
43606 Reservoir: Reservoir Type = Disposal
43607 Reservoir: Reservoir Type = Evaporator
43608 Reservoir: Reservoir Type = Swimming Pool
43609 Reservoir: Reservoir Type = Cooling Pond
43610 Reservoir: Reservoir Type = Filtration Pond
43611 Reservoir: Reservoir Type = Settling Pond
43612 Reservoir: Reservoir Type = Sewage Treatment Pond
43613 Reservoir: Reservoir Type = Water Storage; Construction Material = Nonearthen
43614 Reservoir: Reservoir Type = Water Storage; Construction Material = Earthen; Hydrographic Category = Intermittent
43615 Reservoir: Reservoir Type = Water Storage; Construction Material = Earthen; Hydrographic Category = Perennial
43617 Reservoir: Reservoir Type = Water Storage
43618 Reservoir: Construction Material = Earthen
43619 Reservoir: Construction Material = Nonearthen
43621 Reservoir: Reservoir Type = Water Storage; Hydrographic Category = Perennial
43623 Reservoir: Reservoir Type = Evaporator; Construction Material = Earthen
44100 Rock
44101 Rock: Relationship to Surface = Abovewater
44102 Rock: Relationship to Surface = Underwater
44500 Sea/Ocean
45000 Sink/Rise
45400 Special Use Zone
45401 Special Use Zone: Special Use Zone Type = Dump Site; Operational Status = Operational
45402 Special Use Zone: Special Use Zone Type = Dump Site; Operational Status = Abandoned
45403 Special Use Zone: Special Use Zone Type = Spoil Area; Operational Status = Operational
45404 Special Use Zone: Special Use Zone Type = Spoil Area; Operational Status = Abandoned
45500 Spillway
45800 Spring/Seep
46000 Stream/River
46003 Stream/River: Hydrographic Category = Intermittent
46006 Stream/River: Hydrographic Category = Perennial
46100 Submerged Stream
46600 Swamp/Marsh
47800 Tunnel
48300 Wall
48400 Wash
48500 Water Intake/Outflow
48700 Waterfall
48800 Well
49300 Estuary
50300 Sounding Datum Line
50301 Sounding Datum Line: Positional Accuracy = Approximate
50302 Sounding Datum Line: Positional Accuracy = Definite
53300 Special Use Zone Limit
53301 Special Use Zone Limit: Positional Accuracy = Definite
53302 Special Use Zone Limit: Positional Accuracy = Indefinite
53700 Area of Complex Channels
55800 Artificial Path
56800 Levee
56700 Shoreline
46007 Stream/River: Hydrographic Category = Ephemeral
33603 Canal Ditch: Canal Ditch Type = Stormwater