Water
4 data model standards serving water. Every one confirmed against its steward's own site.
| Standard | Steward | Origin | Layer | Access | Modernity |
|---|---|---|---|---|---|
| ISO 24510 water services | ISO TC 224 | International | Information Model | spec sold | 47.7 Legacy |
| OGC WaterML 2.0 and HY_Features (Open Geospatial Consortium) | OGC / WMO | International | Information Model | — | — |
| WaDE (Water Data Exchange) | Western States Water Council | — | Exchange Schema | — | — |
| Water: WaterML / OGC and Open Geospatial hydrology | Open Geospatial Consortium / WMO | International | Exchange Schema | open | 63.5 Modernizing |