Landfill Hill Traditional Geocache
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The Upper Ottawa landfill is located north of Stonechurch Road and east of Upper Ottawa Street in Hamilton. The northern boundary of the site abuts Red Hill Creek. The site accepted domestic and commercial waste as well as industrial solid and liquid waste from 1952 to 1980 until closure. In total the landfill footprint is approximately 16 ha. Upon closure in 1980 the site was capped, methane vents were installed and slope protection measures were implemented. A perimeter leachate collection system was installed around the landfill in 1988 and in 1989 a gas collection system with a blower and flare was constructed. In 1998 a retaining wall equipped with a new leachate collector was built at the toe of the landfill to prevent leachate and waste from slumping into the adjacent Red Hill Creek. The gas collection system and flare were decommissioned in 2004 due to a reduction in the rate/volume of gas generated. Leachate seep remediation and hydraulic connection and barrier trenches were installed in 2003 and 2004 to prevent any off-site migration. The crown of the landfill was re-contoured and capped with clay in 2005 to reduce leachate production by minimizing precipitation infiltration into the waste. Additional groundwater monitoring wells have been installed around the site to regularly evaluate the continued effective operation of the leachate collection system and whether or not any additional works are necessary. Additional investigations in the area have identified further waste and leachate seeps west of the main waste mound and remediation efforts are presently being made to extend the existing leachate collection system westward.
Additional Hints
(Decrypt)
2 zrgref uvtu