Yakima Nation Irrigated Area, Washington, Part of Yakima County

Survey Area WA678 Washington

The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). This report summarizes the major soil map units across the survey area to help you understand what to expect when buying, building, or gardening in Yakima Nation Irrigated Area, Washington, Part of Yakima County.

Soil Map UnitAcresDrainageHydro GroupDwellingsSeptic
Naches loam, 0 to 2 percent slopes 19K Well drainedBNot limitedSomewhat limited
Ashue loam, 0 to 2 percent slopes 19K Well drainedCNot limitedNot limited
Umapine silt loam 13K Somewhat poorly drainedCVery limitedVery limited
Toppenish silt loam, 0 to 2 percent slopes 12K Somewhat poorly drainedC/DVery limitedVery limited
Warden silt loam, 0 to 2 percent slopes 12K Well drainedBNot limitedSomewhat limited
Esquatzel silt loam, 0 to 2 percent slopes 11K Well drainedBNot limitedSomewhat limited
Warden silt loam, 2 to 5 percent slopes 10K Well drainedBNot limitedSomewhat limited
Kittitas silt loam 8K Somewhat poorly drainedC/DVery limitedVery limited
Warden silt loam, 5 to 8 percent slopes 7K Well drainedBNot limitedSomewhat limited
Toppenish silty clay loam 7K Somewhat poorly drainedC/DVery limitedVery limited
Shano silt loam, 5 to 8 percent slopes 6K Well drainedBNot limitedSomewhat limited
Onyx silt loam, 0 to 2 percent slopes 5K Well drainedBVery limitedVery limited
Track loam 5K Somewhat poorly drainedC/DVery limitedVery limited
Ahtanum silt loam, 0 to 2 percent slopes 5K Somewhat poorly drainedDVery limitedVery limited
Shano silt loam, 2 to 5 percent slopes 4K Well drainedBNot limitedSomewhat limited
White Swan silt loam, 2 to 5 percent slopes 4K Well drainedCNot limitedSomewhat limited
Weirman fine sandy loam, 0 to 2 percent slopes 4K Somewhat excessively drainedAVery limitedVery limited
Weirman sandy loam 3K Somewhat excessively drainedAVery limitedVery limited
Logy cobbly silt loam 3K Well drainedBVery limitedVery limited
Warden silt loam, 8 to 15 percent slopes 3K Well drainedBSomewhat limitedSomewhat limited

What This Means

Building & Foundations

About 40% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.

Septic Systems

About 40% of soils have significant septic limitations, while others are more suitable. A perc test is essential — conditions vary across the area.

Gardening & Agriculture

Drainage is generally favorable for gardening. Adding compost and mulch will improve fertility and water retention. Test your soil's pH before planting — most vegetables prefer 6.0-7.0.

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