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Pend Oreille County, Washington

USDA's soil survey flags shrink-swell clay on 0% of Pend Oreille County's mapped land and a shallow water table under basements on 11%, both below the national shares of 15% and 29%. 100% of the county is in drought on the October 13, 2026 Drought Monitor map.

FEMA's flood data list 9 flood losses here since 2016. 43% of homes were built before 1980, against 50% nationally; the median home dates from 1985.

Data as of October 13, 2026 · sources

0%

expansive clay: shrink-swell limits slab homes

11%

high water table: limits basements

100%

in drought, October 13, 2026

43%

of homes built before 1980

Soil under Pend Oreille County

Expansive clay (limits slab homes)0.0%
High water table (limits basements)10.8%
Septic fields very limited93.7%
Clay swell (LEP, by area)1.6%
High-swell land (LEP 6%+)0.1%
Mapped soil872,471 acres
Soil seriesShare hereSeries nationally: expansive clay
Newbell10%n/a
Manley6%n/a
Moscow5%n/a
Aits5%n/a
Hartill4%n/a
Buhrig3%n/a
Stevens County: 0%Bonner County: 0%Boundary County: 0%Ferry County: 0%Spokane County: 3%Kootenai County: 2%Lincoln County: no dataLincoln County: 1%Pend Oreille County StevensBonnerBoundaryFerrySpokaneKootenaiLincolnLincolnPend Oreille
Pend Oreille County (heavy outline) and nearby counties, shaded by expansive clay share.under 10%10-25%25-40%40-60%60%+

How we count · survey areas ID670 (2025-08-27), WA651 (2025-08-28)

What the numbers mean here

Rain over the 12 months to August 2026: 28.40 in, 6.44 in below the 1991-2020 average year of 34.84 in.

USDA rates 94% of the land very limited for septic absorption fields.

With shrink-swell clay on 0% and a shallow water table on 11% of the land, the soil survey points to neither problem across most of Pend Oreille County; conditions still vary lot by lot.

Drought

100% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 52 of the last 52 weeks; the most was 100% of its area, in 25 weeks, most recently on the October 13, 2026 map.

October 21, 2025Share of area in drought, weeklyOctober 13, 2026
Category, October 13, 2026Share of county
D0 abnormally dry or worse100%
D1 moderate drought or worse100%
D2 severe or worse90.7%
D3 extreme or worse0%
D4 exceptional0%

Flood losses since 2016

9 flood losses since 2016, $285,925 paid. The worst year was 2018, with 8.

YearFlood losses
20160
20171
20188
20190
20200
20210
20220
20230
20240
20250
2026 to date0

Rain

Average year, 1991-202034.84 in
12 months to August 202628.40 in (-6.44)
202530.91 in (-3.93)
Wettest year since 18951897: 51.01 in
Driest year since 18951929: 18.35 in
Days with 1 inch or more, normal at PRIEST RVR EXP STN (23 mi away)3.1

Homes

Housing units8,113
Median year built1985
Built before 198043%
Built 2000 or later26%
Owner-occupied81%
Median value, owner-occupied$367,900
Single-family detached76%

What repairs cost

Published ranges from cost guides, not quotes. More sources, and where they disagree.

WorkRangeSource
Foundation repair, US $2,200 to $8,200 Fixr, January 27, 2026
Pier-and-beam repair, US $2,000 to $15,000 Fixr, January 27, 2026
Foundation inspection, US $300 to $600 Fixr, January 31, 2025

Nearby counties

PlaceDistanceExpansive clayHigh water table
Stevens County, WA 30 mi 0% 8%
Bonner County, ID 32 mi under 1% 14%
Boundary County, ID 32 mi under 1% 24%
Ferry County, WA 60 mi under 1% 4%
Spokane County, WA 64 mi 3% 16%
Kootenai County, ID 65 mi 2% 10%
Lincoln County, MT 81 mi n/a n/a
Lincoln County, WA 86 mi 1% 4%

Sources: USDA SSURGO (August 28, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status