Graymont Dolime Oh INC *

21880 W St Rte 163, Genoa, OH 43430

LIKELY ACTIVELAST SEEN IN FEDERAL DATA MAY 2026 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Lime Manufacturing327410

Where it is

41.50945, -83.35028 · CENSUS TIGER

COUNTY

Ottawa County

METRO AREA

Sandusky, OH

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Other plants nearby

Facility	City	Industry	Status	Distance
Martin Marietta Magnesia Specialties, LLC	Woodville	Lime Manufacturing 327410	LIKELY ACTIVE	5.4 KM
Area Aggregates LLC Woodville Site	Woodville	Lime Manufacturing 327410	LIKELY ACTIVE	7.7 KM
Carmeuse Lime INC Millersville Operations (0372000081)	Millersville	Lime Manufacturing 327410	UNVERIFIED	22.7 KM
Carmeuse Lime Maple Grove Operations	Bettsville	Lime Manufacturing 327410	UNVERIFIED	33.8 KM
Ransom & Randolph LLC	Maumee	Gypsum Product Manufacturing 327420	ACTIVE	29.6 KM

Every listed plant in Ottawa County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, E-GGRT, EIS, NPDES, OH-CORE, RCRAINFO, SFDW, TRIS, TSCA · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen FEB 2026 · last seen MAY 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110056958662 · first seen JUN 2017 · last seen JUN 2017

IN OTTAWA COUNTY1 other plant shares this one’s industry (Lime and Gypsum Product Manufacturing, NAICS 3274); 1 of them has a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: GRAYMONT DOLIME OH INC * · OCT 2026
Street address: EPA: 21880 W ST RTE 163 · OCT 2026
City: EPA: GENOA · OCT 2026
State: EPA: OH · OCT 2026
County (FIPS code): EPA: 39123 · OCT 2026
Coordinates: EPA: 41.50945,-83.35028 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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