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Snyder County, Pennsylvania

A shallow water table limits basements on 28% of Snyder County's mapped land. Shrink-swell clay limits houses without basements on 1%.

None of the county is in drought on the October 13, 2026 Drought Monitor map. FEMA's flood data list 11 flood losses here since 2016. 58% of homes were built before 1980, against 50% nationally; the median home dates from 1973.

Data as of October 13, 2026 · sources

1%

expansive clay: shrink-swell limits slab homes

28%

high water table: limits basements

0%

in drought, October 13, 2026

58%

of homes built before 1980

Soil under Snyder County

Expansive clay (limits slab homes)0.9%
High water table (limits basements)28.4%
Septic fields very limited92.9%
Clay swell (LEP, by area)1.6%
High-swell land (LEP 6%+)0.4%
Mapped soil212,173 acres
Soil seriesShare hereSeries nationally: high water table
Weikert20%under 1%
Hartleton7%n/a
Berks6%under 1%
Hazleton5%0%
Laidig4%n/a
Klinesville4%n/a
Union County: 38%Northumberland County: 27%Juniata County: 33%Perry County: 29%Dauphin County: 21%Montour County: 36%Mifflin County: 34%Columbia County: 20%Snyder County UnionNorthumberlandJuniataPerryDauphinMontourMifflinColumbiaSnyder
Snyder County (heavy outline) and nearby counties, shaded by high water table share.under 10%10-25%25-40%40-60%60%+

How we count · survey areas PA109 (2025-09-04)

What the numbers mean here

On 28% of Snyder County's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.

Rain over the 12 months to August 2026: 37.47 in, 7.19 in below the 1991-2020 average year of 44.66 in.

USDA rates 93% of the land very limited for septic absorption fields.

Drought

0% of the county is in drought (D1 or worse) on the October 13, 2026 map. Part of the county was in drought in 17 of the last 52 weeks; the most was 100% of its area, in 12 weeks, most recently on the March 3, 2026 map.

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

Flood losses since 2016

11 flood losses since 2016, $78,535 paid. The worst year was 2018, with 6.

YearFlood losses
20160
20172
20186
20192
20200
20211
20220
20230
20240
20250
2026 to date0

Rain

Average year, 1991-202044.66 in
12 months to August 202637.47 in (-7.19)
202539.31 in (-5.35)
Wettest year since 18952011: 71.87 in
Driest year since 18951930: 26.66 in
Days with 1 inch or more, normal at SELINSGROVE 2 S (11 mi away)9.6

Homes

Housing units16,053
Median year built1973
Built before 198058%
Built 2000 or later18%
Owner-occupied76%
Median value, owner-occupied$215,300
Single-family detached75%

What repairs cost

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

WorkRangeSource
Basement waterproofing, US $3,000 to $10,000 Fixr, February 6, 2026
Sump pump installation, US $800 to $2,000 Fixr, January 31, 2025
Crawl space encapsulation, US $2,000 to $8,000 Fixr, August 29, 2025

Nearby counties

PlaceDistanceExpansive clayHigh water table
Union County, PA 14 mi 1% 38%
Northumberland County, PA 20 mi under 1% 27%
Juniata County, PA 23 mi 1% 33%
Perry County, PA 27 mi under 1% 29%
Dauphin County, PA 28 mi under 1% 21%
Montour County, PA 29 mi 1% 36%
Mifflin County, PA 32 mi 3% 34%
Columbia County, PA 41 mi 0% 20%

Sources: USDA SSURGO (September 4, 2025) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · NOAA (August 2026) · Census ACS 2020-2024. Methods · Data status