| General Soil Type: | Yn | Region: | Y |
| Map Unit Description: | Dark grassland soils that are wet and/or must be managed for |
| salt-buildup when irrigated |
| Moisture Regime: | Aquic |
| Temperature Regime: | Mesic |
| Taxonomic Classification: | Typic Halaquepts, Fluvaquentic Endoaquolls, Cumulic |
| Endoaquolls, Aeric Halaquepts |
| Major Soil Series: | Umapine-Toppenish-Wenas-Outlook |