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Castalia, Ohio

Inside Castalia's city limits, a shallow water table limits basements on 62% of mapped land, the 5th-highest of 7 cities in Erie County. Shrink-swell clay limits houses without basements on 0%.

That water-table share is below Erie County's 69%. FEMA's flood data list no flood losses since 2016 in ZIP code 44824 overlapping the city. Of its 460 homes, 85% were built before 1980; the median dates from 1954.

Data as of October 13, 2026 · sources · in Erie County

0%

expansive clay: shrink-swell limits slab homes

62%

high water table: limits basements

0

flood losses since 2016 in 1 overlapping ZIP

85%

of homes built before 1980

Basement waterproofing in Castalia

Basement waterproofing in Castalia: a shallow water table limits basements on 62% of Castalia's mapped land.

In Erie County, 54% of the 46 flood-loss buildings with a recorded foundation type had basements.

About 400 of Castalia's 460 homes are detached houses.

Soil under Castalia city limits

Expansive clay (limits slab homes)0.0%
High water table (limits basements)62.1%
Septic fields very limited82.5%
Clay swell (LEP, by area)3.2%
High-swell land (LEP 6%+)0.0%
Mapped soil660 acres
Soil seriesShare hereSeries nationally: high water table
Weyers33%n/a
Spinks12%n/a
Colwood7%n/a
Elnora7%n/a
Plumbrook5%n/a
Dunbridge4%n/a
Erie CountyCastalia
Castalia city limits inside Erie County, shaded by the city's high water table share.under 10%10-25%25-40%40-60%60%+

How we count

What the numbers mean here

On 62% of Castalia's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.

USDA rates 82% of the land very limited for septic absorption fields.

Drought in Erie County

0% of Erie County is in drought (D1 or worse) on the October 13, 2026 map. County detail.

October 21, 2025Share of area in drought, weeklyOctober 13, 2026

Flood losses by ZIP code

FEMA flood records since 2016 in the ZIP codes that overlap Castalia. ZIP areas reach past city limits.

ZIPShare of city landFlood lossesPaid
44824100%0$0

Homes in Castalia

Housing units460
Median year built1954
Built before 198085%
Built 2000 or later4%
Owner-occupied58%
Median value, owner-occupied$186,300
Single-family detached88%

Nearby cities

PlaceDistanceExpansive clayHigh water table
Bay View 5 mi 95% 98%
Sandusky 6 mi 33% 74%
Bellevue 9 mi 1% 64%
Marblehead 10 mi 1% 15%
Port Clinton 10 mi 53% 62%
Clyde 12 mi 20% 76%
Monroeville 12 mi under 1% 67%
Huron 12 mi 0% 82%

Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status