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Clover Flat Landfill

LandfillOpenVerified Napa County, California

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Key factsVerified 2026-10-22
Hours
Tue-Sat 9:00am-4:00pm; Sun 9:00am-3:00pm; closed Mondays.
Fees
Eff. July 1, 2026: general refuse $145 minimum or $148/ton; clean green/wood $80 min or $160/ton; clean concrete/asphalt $60 min or $117/ton.
Accepts
Not checked yet
Phone
Not checked yet
Address
4380 Silverado Trail, Calistoga, CA 94515
DirectionsOfficial website

Checked against the operator's official site on 2026-10-22: source 1

Is this info wrong or out of date?

What this site accepts

Mentioned as accepted: Concrete and construction debris.

Based on the posted rules quoted above. Items not named here may still be accepted; call to confirm.

What will my load cost here?

Weight assumptions
  • Household trash, loose: 275 lb per cubic yard (EPA lists 250–300 for uncompacted mixed residential waste).
  • Yard waste, loose: 250 lb per cubic yard (EPA: mixed yard waste, uncompacted).
  • Construction debris, mixed: 484 lb per cubic yard (EPA: C&D bulk).
  • Concrete, broken: 860 lb per cubic yard (EPA 2016 table; older EPA tables list loose scrap concrete as heavy as 1,855, so real loads may weigh much more).
  • Volumes are geometry, not data: a full-size pickup bed filled level with the sides is about 2 cubic yards (roughly 6.5 ft × 5 ft × 1.7 ft); a 6×10 ft utility trailer filled 2 ft deep is about 4.4 cubic yards; a 33-gallon trash bag is about 0.16 cubic yards.

Weight factors: U.S. EPA, Volume-to-Weight Conversion Factors (April 2016). Real loads vary a lot; the scale at the gate decides.

Facility details

Type
Landfill
Status
Open
County
Napa County
Website
https://uvds.com/clover-flat-resource-recovery-park/
Owner
Clover Flat Resource Recovery Park
Ownership
Private
Year opened
1963
Annual waste accepted
40,024 tons/yr

Location source: EPA Landfill Methane Outreach Program (LMOP) database, Landfill ID 11160
Hours, fees and accepted items verified 2026-10-22 from the operator's official website: [1]. Know the hours or fees, or see a mistake? Send a correction.

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