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Synagro Wwt INC

12421 Holloway Rd, Lost Hills, CA 93249

UNVERIFIEDLAST SEEN IN FEDERAL DATA APR 2007 · 2 SOURCES

Present in a source dataset, with no recent operating signal.

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What they make

Fertilizer (Mixing Only) Manufacturing325314

Where it is

35.70275, -119.82027 · CENSUS TIGER
COUNTY
METRO AREA
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STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
San Joaquin Composting, INC.Lost HillsFertilizer (Mixing Only) Manufacturing
325314
UNVERIFIED11.8 KM
Tulare Lake CompostKettleman CityFertilizer (Mixing Only) Manufacturing
325314
LIKELY ACTIVE27.1 KM
Crop Production Services INCAlpaughPhosphatic Fertilizer Manufacturing
325312
LIKELY ACTIVE35.4 KM

Every listed plant in Kern County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 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 CA-ENVIROVIEW, CARB-TCH, EIS, NPDES, RCRAINFO · EPA site type STATIONARY.

  • EPA Facility Registry ServiceEXISTENCE
    Record 110040940710 · first seen FEB 2026 · last seen FEB 2026
  • EPA ECHO compliance recordsOPERATING
    first seen APR 2007 · last seen APR 2007

IN KERN COUNTY19 other plants share this one’s industry (Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing, NAICS 3253); 2 of them have 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: SYNAGRO WWT INC · OCT 2026
Street address
EPA: 12421 HOLLOWAY RD · OCT 2026
City
EPA: LOST HILLS · OCT 2026
State
EPA: CA · OCT 2026
County (FIPS code)
EPA: 06029 · OCT 2026
Coordinates
EPA: 35.702749,-119.820269 · OCT 2026
Hazardous waste generator (RCRA)
EPA ECHO: none · OCT 2026

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