Transfer station
John's Disposal Services
3.8 mi E · Whitewater, WI
Takes C&D debris
LandfillListed as closed
Onyx Valley Metal Landfill
Fort Atkinson, Jefferson County, WI · All sites in Jefferson County
Onyx Valley Metal Landfill is a landfill in Fort Atkinson, Jefferson County, Wisconsin. Our sources list this facility as closed; it is kept here so people searching for it learn that before driving out.
It is one of 11 disposal sites we list in Jefferson County.
Landfill facts
| Status (EPA) | Closed |
|---|---|
| Opened | 1976 |
| Closed | 1999 |
| Waste in place | 1,878,264 tons (1999) |
| Size | 40 acres |
| Landfill gas collection | Yes |
Source: EPA Landfill Methane Outreach Program database, data as of September 2024.
Location and nearby sites
42.85182, -88.80323
- Yard waste site
City of Whitewater Compost
4.0 mi E · Whitewater, WI
- Yard waste site
City of Fort Atkinson
4.5 mi N · Fort Atkinson, WI
- Transfer station
GFL Solid Waste Midwest LLC - Fort Atkinson
4.9 mi NW · Fort Atkinson, WI
- Yard waste site
City of Milton
8.8 mi SW · Milton, WI
- Yard waste site
City of Jefferson
12 mi N · Jefferson, WI
- Landfill
Mallard Ridge Landfill
14 mi S · Delavan, WI
- Landfill
Janesville City/Rock County Landfill
14 mi SW · Janesville, WI
More in Jefferson County
- City of WaterlooYard Waste & Compost Site · Waterloo
- City of Watertown Yard Waste FacilityYard Waste & Compost Site · Watertown
- Deer Track Park LandfillLandfill · Watertown
- Village of Johnson CreekYard Waste & Compost Site · Johnson Creek
- Village of SullivanYard Waste & Compost Site · Sullivan
Onyx Valley Metal Landfill: questions
Is Onyx Valley Metal Landfill closed?
EPA's Landfill Methane Outreach Program lists the landfill as closed in 1999 (data as of September 2024). Some closed landfills keep a transfer station or drop-off area open, so check before you go.
Before you haul
- Dump and Landfill Fees ExplainedHow tipping fees work: per ton vs per load, minimums, scale-in and scale-out, resident rates and item fees, and how to estimate your cost first.
- Landfill, Transfer Station or Convenience Center: Which One Should You Use?What each type of public waste facility does, what it accepts, how it charges, and which to use for household trash, bulky items and construction debris.
- How to Haul a Load to the Dump Safely and LegallySecured-load laws, tarping, payload limits, the weigh-in routine and tipping-floor safety, plus a checklist of what to bring on dump day.
About this listing
Facts on this page come from:
- OpenStreetMap way/1431369232 (© OpenStreetMap contributors, ODbL)
- EPA Landfill Methane Outreach Program (LMOP) database · record dated 2024-09
Newest source record dated September 2024. Listed here since October 5, 2026. We are an independent directory, not the operator. How we source and check listings.
Something wrong or out of date? Report a correction.