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Hemlock, Ohio
Inside Hemlock's city limits, a shallow water table limits basements on 38% of mapped land. Shrink-swell clay limits houses without basements on 14%, the 4th-highest of 11 cities in Perry County.
That water-table share is close to Perry County's 42%. FEMA's flood data list 2 flood losses since 2016 in ZIP code 43730 overlapping the city.
Data as of October 13, 2026 · sources · in Perry County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
Basement waterproofing in Hemlock
Basement waterproofing in Hemlock: a shallow water table limits basements on 38% of Hemlock's mapped land, and the ZIP code overlapping Hemlock logged 2 FEMA flood losses since 2016.
In Perry County, 19% of the 31 flood-loss buildings with a recorded foundation type had basements.
Soil under Hemlock city limits
| Expansive clay (limits slab homes) | 13.6% |
| High water table (limits basements) | 38.1% |
| Septic fields very limited | 88.3% |
| Clay swell (LEP, by area) | 2.9% |
| High-swell land (LEP 6%+) | 12.6% |
| Mapped soil | 235 acres |
| Soil series | Share here | Series nationally: high water table |
|---|---|---|
| Dekalb | 24% | n/a |
| Newark | 17% | n/a |
| Guernsey | 13% | n/a |
| Westmore | 11% | n/a |
| Westmoreland | 10% | 0% |
| Zanesville | 6% | 97% |
What the numbers mean here
On 38% of Hemlock's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 88% of the land very limited for septic absorption fields.
Drought in Perry County
0% of Perry County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Hemlock. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 43730 | 100% | 2 | $7,165 |
Homes
Hemlock has fewer than 100 housing units in the ACS 2020-2024 estimates, too few for reliable shares.
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Shawnee | 3 mi | 23% | 23% |
| Corning | 3 mi | 17% | 29% |
| New Straitsville | 4 mi | 33% | 36% |
| Murray City | 6 mi | 16% | 33% |
| Glouster | 7 mi | 10% | 45% |
| Trimble | 8 mi | 12% | 34% |
| Jacksonville | 9 mi | 4% | 60% |
| Buchtel | 9 mi | 19% | 29% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026). Methods · Data status