Construction complete on flood mitigation project in No. 1 Canyon
Construction was completed in March on four new debris basins on the upper portion of No. 1 Canyon Road in Wenatchee. The basins will detain and release reoccurring, debris-laden floodwaters that often strike the canyon following rain events or during heavy snowmelt.
The No. 1 Canyon Debris Basins project was built on county-owned land at the end of the county roadway. The construction portion of the project cost about $1.3 million. It was paid for with a nearly $1 million grant from FEMA and with money from the Chelan County Flood Control Zone District.
Video footage of the project gives an eagle-eye view of the completed debris basins.
Located immediately west of Wenatchee, the No. 1 Canyon basin sits along the east slopes of the Cascade Mountain foothills. The canyon’s natural drainage system has a long history of experiencing occasional heavy runoff – and even debris and mud flows. But these flows, typically caused by high intensity storms, have grown more destructive as the Wenatchee community’s urban area has grown.
When these flows leave the basin’s natural channel, they flow into existing residential developments, the City of Wenatchee’s stormwater system and, at times, the Columbia and Wenatchee rivers.
On a much smaller scale, a similar series of detention basins was built in 2015 further down No. 1 Canyon Road, at milepost 2.6. Over the last five years, it has proven to decrease the amount of sediment entering the City of Wenatchee's stormwater system, with the sediment being replaced with an increase in the volume of water.
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The information contained on this site is provided as a courtesy of the Chelan County. Where it exists, the "Index.txt" will contain a brief explanation of files contained in this folder
Chelan County makes every effort to ensure the accuracy of the information provided on its web site. However, due to the possibility of transmission errors, HTML browser capabilities, changes made since the last update to the site, etc., neither Chelan County, nor any agency, officer or employee of Chelan County warrants the accuracy, reliability, or timeliness of any information published by this system and shall not be held liable for any losses caused by reliance on the accuracy, reliability, or timeliness of such information. Portions of such information may be incorrect or not current. Any person or entity that relies on any information obtained from this system does so at his or her own risk.
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The information contained on this site is provided as a courtesy of the Chelan County. Where it exists, the "Index.txt" will contain a brief explanation of files contained in this folder
Chelan County makes every effort to ensure the accuracy of the information provided on its web site. However, due to the possibility of transmission errors, HTML browser capabilities, changes made since the last update to the site, etc., neither Chelan County, nor any agency, officer or employee of Chelan County warrants the accuracy, reliability, or timeliness of any information published by this system and shall not be held liable for any losses caused by reliance on the accuracy, reliability, or timeliness of such information. Portions of such information may be incorrect or not current. Any person or entity that relies on any information obtained from this system does so at his or her own risk.
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The information contained on this site is provided as a courtesy of the Chelan County. Where it exists, the "Index.txt" will contain a brief explanation of files contained in this folder
Chelan County makes every effort to ensure the accuracy of the information provided on its web site. However, due to the possibility of transmission errors, HTML browser capabilities, changes made since the last update to the site, etc., neither Chelan County, nor any agency, officer or employee of Chelan County warrants the accuracy, reliability, or timeliness of any information published by this system and shall not be held liable for any losses caused by reliance on the accuracy, reliability, or timeliness of such information. Portions of such information may be incorrect or not current. Any person or entity that relies on any information obtained from this system does so at his or her own risk.
By clicking continue, you confirm that you have read, understood and agreed to this disclaimer.
The information contained on this site is provided as a courtesy of the Chelan County. Where it exists, the "Index.txt" will contain a brief explanation of files contained in this folder
Chelan County makes every effort to ensure the accuracy of the information provided on its web site. However, due to the possibility of transmission errors, HTML browser capabilities, changes made since the last update to the site, etc., neither Chelan County, nor any agency, officer or employee of Chelan County warrants the accuracy, reliability, or timeliness of any information published by this system and shall not be held liable for any losses caused by reliance on the accuracy, reliability, or timeliness of such information. Portions of such information may be incorrect or not current. Any person or entity that relies on any information obtained from this system does so at his or her own risk.
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