ECs in the HYDROLOGY group

ECC_BOMBORA_REGION ECC_BREAKER_REGION ECC_CANAL ECC_CANAL_NEXUS
ECC_CANAL_ROUTE ECC_COVERED_WATERCOURSE ECC_DEPTH_REGION ECC_DISCOLOURED_WATER
ECC_DRY_LAKE ECC_ESTUARY ECC_FIORD ECC_FLOOD_BASIN
ECC_FLUME ECC_FORD ECC_HARBOUR ECC_HARBOUR_COMPLEX
ECC_HYDROGRAPHY ECC_HYDROLOGIC_OBJECT ECC_INLAND_WATER ECC_INLAND_WATER_SURFACE
ECC_INLET ECC_LAGOON ECC_LAKE ECC_LAKE_NEXUS
ECC_LAND_FLOODING_PERIODICALLY ECC_MARINE_BAY ECC_MARINE_CHANNEL ECC_MARINE_FOUL_GROUND
ECC_MARINE_GULF ECC_MARINE_PETROLEUM_FIELD ECC_MARINE_REGION ECC_MARINE_SOUND
ECC_MARINE_STRAIT ECC_NAVIGABLE_WATERWAY ECC_OCEAN ECC_OPEN_WATER
ECC_OVERFALL_REGION ECC_POLYNYA ECC_PREVAILING_CURRENT ECC_RAPID
ECC_RESERVOIR_NEXUS ECC_RIP_CURRENT ECC_RIVER ECC_RIVER_NEXUS
ECC_RIVER_VANISHING_POINT ECC_RUN_OFF ECC_SEA ECC_SECCHI_DISK
ECC_SPILLWAY ECC_SPRING ECC_SWAMP ECC_SWEPT_REGION
ECC_TIDAL_BASIN ECC_TIDAL_WATER ECC_TIDE_RIP_REGION ECC_TIDEWAY
ECC_UNDERGROUND_WATER ECC_UNDERWATER_REGION ECC_VEGETATED_SATURATED_LAND ECC_VESSEL_STORAGE_ANCHORAGE
ECC_WADI ECC_WADI_NEXUS ECC_WATER_CHANNEL ECC_WATER_CHANNEL_EDGE
ECC_WATER_CURRENT ECC_WATER_GATHERING_REGION ECC_WATERBODY ECC_WATERBODY_BASIN
ECC_WATERBODY_CURRENT ECC_WATERBODY_EDDY ECC_WATERBODY_REGION ECC_WATERBODY_SHELTER_BASIN
ECC_WATERCOURSE ECC_WATERFALL ECC_WATERING_HOLE