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Legend (OIT_Services/ODNR_NationalHydroDataset)

HydroPoints (1)
Gauging Station Gauging Station
Rock: Relationship to Surface = Abovewater Rock: Relationship to Surface = Abovewater
Sink/Rise Sink/Rise
Spring/Seep Spring/Seep
Water Intake/Outflow Water Intake/Outflow
Waterfall Waterfall
Well Well
NHDWaterbody 400K+ (2)
NHDWaterbody 200K - 400K (3)
NHDWaterbody -200K (4)
Lake/Pond Lake/Pond
Lake/Pond - Intermittent Lake/Pond - Intermittent
Lake/Pond - Intermittent Lake/Pond - Intermittent
Lake/Pond - Perennial Lake/Pond - Perennial
Lake/Pond - Perennial Lake/Pond - Perennial
Lake/Pond - Perennial, Spillway Lake/Pond - Perennial, Spillway
Lake/Pond - Perennial; Stage = Average Water Elevation Lake/Pond - Perennial; Stage = Average Water Elevation
Lake/Pond - Perennial; Stage = Normal Pool Lake/Pond - Perennial; Stage = Normal Pool
Playa Playa
Reservoir Reservoir
Reservoir - Water Storage; Construction Material = Earthen; Hydrographic Category = Intermittent Reservoir - Water Storage; Construction Material = Earthen; Hydrographic Category = Intermittent
Reservoir - Aquaculture Reservoir - Aquaculture
Reservoir - Construction Material = Earthen Reservoir - Construction Material = Earthen
Reservoir - Cooling Pond Reservoir - Cooling Pond
Reservoir - Disposal; Construction Material = Earthen Reservoir - Disposal; Construction Material = Earthen
Reservoir - Evaporator Reservoir - Evaporator
Reservoir - Filtration Pond Reservoir - Filtration Pond
Reservoir - Nonearthen Reservoir - Nonearthen
Reservoir - Settling Pond Reservoir - Settling Pond
Reservoir - Sewage Treatment Pond Reservoir - Sewage Treatment Pond
Reservoir - Tailings Pond Reservoir - Tailings Pond
Reservoir - Tailings Pond; Construction Material = Earthen Reservoir - Tailings Pond; Construction Material = Earthen
Reservoir - Treatment Reservoir - Treatment
Reservoir - Water Storage Reservoir - Water Storage
Reservoir - Water Storage, Perennial Reservoir - Water Storage, Perennial
Reservoir - Water Storage; Construction Material = Earthen; Hydrographic Category = Perennial Reservoir - Water Storage; Construction Material = Earthen; Hydrographic Category = Perennial
Reservoir - Water Storage; Construction Material = Nonearthen Reservoir - Water Storage; Construction Material = Nonearthen
Swamp/Marsh Swamp/Marsh
NHDArea (5)
Rapids Rapids
Lock Chamber Lock Chamber
DamWeir DamWeir
Foreshore Foreshore
Submerged Stream Submerged Stream
Hazard Zone Hazard Zone
Inundation Area Inundation Area
Special Use Zone Special Use Zone
Stream/River Stream/River
Spillway Spillway
CanalDitch CanalDitch
NHDFlowline 100K+ (6)
NHDFlowline - 0 - 100K (7)
Coastline, Coastline Coastline, Coastline
Pipeline, Pipeline: Pipeline Type = General Case; Relationship to Surface = Underwater Pipeline, Pipeline: Pipeline Type = General Case; Relationship to Surface = Underwater
Pipeline, Pipeline: Pipeline Type = General Case; Relationship to Surface = Underground Pipeline, Pipeline: Pipeline Type = General Case; Relationship to Surface = Underground
Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = At or Near Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = At or Near
Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Elevated Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Elevated
Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Underground Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Underground
Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Underwater Pipeline, Pipeline: Pipeline Type = Aqueduct; Relationship to Surface = Underwater
Pipeline, Pipeline: Pipeline Type = Penstock; Relationship to Surface = Underwater Pipeline, Pipeline: Pipeline Type = Penstock; Relationship to Surface = Underwater
Pipeline, Pipeline: Pipeline Type = Penstock; Relationship to Surface = Underground Pipeline, Pipeline: Pipeline Type = Penstock; Relationship to Surface = Underground
Pipeline, Pipeline: Pipeline Type = Siphon Pipeline, Pipeline: Pipeline Type = Siphon
Pipeline, Pipeline: Pipeline Type = Stormwater; Relationship to Surface = Underground Pipeline, Pipeline: Pipeline Type = Stormwater; Relationship to Surface = Underground
Stream/River Stream/River
Intermittent Stream Intermittent Stream