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Montour County, Pennsylvania
A shallow water table limits basements on 36% of Montour County's mapped land, a higher share than 54% of US counties. 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 7 flood losses here since 2016. 57% of homes were built before 1980, against 50% nationally; the median home dates from 1976.
Data as of October 13, 2026 · sources
expansive clay: shrink-swell limits slab homes
high water table: limits basements
in drought, October 13, 2026
of homes built before 1980
Soil under Montour County
| Expansive clay (limits slab homes) | 1.4% |
| High water table (limits basements) | 35.5% |
| Septic fields very limited | 89.6% |
| Clay swell (LEP, by area) | 2.0% |
| High-swell land (LEP 6%+) | 0.6% |
| Mapped soil | 84,749 acres |
How we count · survey areas PA093 (2025-09-04)
What the numbers mean here
On 36% of Montour 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: 36.73 in, 6.76 in below the 1991-2020 average year of 43.49 in.
USDA rates 90% 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 23 of the last 52 weeks; the most was 100% of its area, in 9 weeks, most recently on the March 3, 2026 map.
| Category, October 13, 2026 | Share of county |
|---|---|
| D0 abnormally dry or worse | 0% |
| D1 moderate drought or worse | 0% |
| D2 severe or worse | 0% |
| D3 extreme or worse | 0% |
| D4 exceptional | 0% |
Flood losses since 2016
7 flood losses since 2016, $189,672 paid. The worst year was 2018, with 5.
| Year | Flood losses |
|---|---|
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 5 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 1 |
| 2025 | 0 |
| 2026 to date | 0 |
Rain
| Average year, 1991-2020 | 43.49 in |
| 12 months to August 2026 | 36.73 in (-6.76) |
| 2025 | 37.03 in (-6.46) |
| Wettest year since 1895 | 2011: 73.10 in |
| Driest year since 1895 | 1930: 26.76 in |
| Days with 1 inch or more, normal at BEAR GAP (17 mi away) | 11.2 |
Homes
| Housing units | 8,144 |
| Median year built | 1976 |
| Built before 1980 | 57% |
| Built 2000 or later | 16% |
| Owner-occupied | 69% |
| Median value, owner-occupied | $248,100 |
| Single-family detached | 68% |
What repairs cost
Published ranges from cost guides, not quotes. More sources, and where they disagree.
Nearby counties
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Northumberland County, PA | 12 mi | under 1% | 27% |
| Columbia County, PA | 14 mi | 0% | 20% |
| Union County, PA | 21 mi | 1% | 38% |
| Snyder County, PA | 29 mi | 1% | 28% |
| Sullivan County, PA | 29 mi | 0% | 53% |
| Lycoming County, PA | 30 mi | under 1% | 19% |
| Schuylkill County, PA | 32 mi | 0% | 30% |
| Luzerne County, PA | 37 mi | 0% | 45% |
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