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Inland Water Type (IWT)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: iwt.ttl

Name

inlandWaterType

Datatype

Enumeration

Definition

The type of an inland water based on its principal characteristics.

Accepted

2013-10-18

Defined by

DFDD

Values

• IWT_1 Lake
• IWT_2 Pond
• IWT_3 Undifferentiated Water Body
• IWT_4 Reservoir
• IWT_5 Basin
• IWT_6 Water-hole
• IWT_7 Landlocked Sea

Used by

• BH082 Inland Waterbody

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.