Full coverage: Devil's Gate Dam sediment removal project

Now set for early May, a convoy of diesel trucks will begin hauling away nearly 2 tons of sediment from Hahamongna Watershed Park, taking 400 daily round trips along portions of Oak Grove Drive and Berkshire Avenue eight months a year over a four-year period.

Delays squared away, 4-year Devil’s Gate sediment hauling now expected to begin Monday

Trucks will start hauling sediment from Devil’s Gate Dam on Monday, after the installation of air monitors and rain forecasts pushed the start date back a week

LCF pledges to act as intermediary between county, citizens during Devil’s Gate dig

Members of community group LCF 4 Healthy Air came to Tuesday's City Council meeting with an update on concessions the county has made to minimize the impacts of the project, and to ask council members to advocate on their behalf.

Hopes higher, but skepticism remains at Devil’s Gate safety meeting

In an informational meeting at La Cañada High School Tuesday, community members seemed somewhat bolstered by recent local efforts to monitor emissions of the Devil's Gate sediment removal project, keep a watchful eye on hauler trucks and raise the red flag at the first sign of warning.

With Devil’s Gate dig looming, La Cañada Unified collects baseline air quality data

On Tuesday, experts from environmental consulting firm Ninyo & Moore took air quality readings at various spots around La Cañada High School and neighboring Child Educational Center. Their baseline data will help school officials understand the added impact of the Devil's Gate project.

LCF Council to discuss possible Devil’s Gate safety plan on first day of truck hauling

Members of the parent-led community group LCF 4 Healthy Air asked city officials to formally support their efforts to ensure air quality is monitored throughout the four-year Devil's Gate Dam Sediment Removal project and devise steps to be taken if and when monitoring returns worrisome results.

County supervisors vote to monitor air quality during Devil’s Gate dig

Supervisor Kathryn Barger proposed the county's Public Works Department contract with a consultant on the placement and installation of air quality monitoring devices at the site of the four-year Devil's Gate Dam Sediment removal project.

‘Big Dig’ start date moved back as city, school officials plan for increased traffic

In a March 28 meeting of the Joint Use Committee, which considers properties and holdings shared by La Cañada Unified School District and the city, LCUSD Supt. Wendy Sinnette said county officials confirmed sediment hauling would not begin before May 7.

County crews clear recent debris from Devil’s Gate, assure ‘Big Dig’ still on track for April

Once cleared, the sluice gate will allow crews to operate the dam’s controlled water release function — a benefit given a forecast of rain in and around La Cañada Flintridge that could continue through this weekend.

LCUSD, parents vow to combat impact of Devil’s Gate sediment removal with citizen science

On Tuesday, a small but dedicated group of parents attended the regular meeting of the district’s Governing Board, where they shared their worries about the potential health impacts to students of the 425 round-trip truck trips proposed in the project.

County Public Works officials reach out about coming work around Devil’s Gate Dam

L.A. County Public Works officials said the first phase of the project will center on a 70-plus acre restoration area, where invasive plant species will be removed and replaced with native plants to make the sloped area around the dig site more habitable for wildlife.

Work to start this month on 4-year Devil’s Gate Dam sediment removal project

Work will start this month on a major, four-year-long project at Devil’s Gate Dam that will include restoration of wildlife habit and the removal of 1.7 million cubic yards of built-up sediment behind the aging dam in the Arroyo Seco, according to the Los Angeles County Public Works Department. 

Prep work for 4-year dig at Devil’s Gate Dam set for this fall, county says

Sterling Klippel, a civil engineer with the Los Angeles County Department of Public Works, said digging could begin as soon as April and continue for the next four years.

Scope of Devil’s Gate Dam sediment removal downgraded by county supervisors vote

The Los Angeles County Public Works Department’s plan to remove 2.4 million cubic yards of sediment from behind Devil’s Gate Dam at Hahamongna Watershed Park was downgraded Tuesday after county supervisors voted to cap removal at 1.7 million cubic yards.

County revises environmental plan for Devil’s Gate sediment removal; public can comment until Sept. 7

The L.A. County Flood Control District released revisions to its environmental report for the removal of 2.4 million cubic yards of sediment from Devil’s Gate Dam across from La Canada High School.

Public invited to attend discussion on Devil’s Gate sediment removal status, Eaton Canyon pipeline construction

Hosted by Altadena Heritage, the Altadena Library and Neighbors Building a Better Altadena, the July 20 talk will feature presentations from those for and against the two mega projects.

Judge's ruling puts a halt to L.A. County's plans at Devil's Gate Dam

Los Angeles County Department of Public Works officials have been ordered to temporarily suspend all activities pertaining to a multiyear sediment removal

Judge rules Devil's Gate Dam environmental report 'deficient'

Judge rules dam EIR 'deficient'

Los Angeles County Department of Public Works officials will likely have to revise and re-vet their environment

County officials and conservationists still at odds as sediment-removal plan at Devil's Gate Dam moves forward

As county officials advance plans to remove decades of built-up sediment from behind Devil's Gate Dam, they and conservationists opposed to the project — whose

Work to remove Devil's Gate Dam sediment may coincide with opposing challenge in court

As county Public Works officials move forward with plans to remove 2.4 million cubic yards of sediment from Devil's Gate Dam early next year, a lawsuit filed by

Devil's Gate Dam sediment project isn't settling well for residents

L.A. County crews to begin removing mud from basin behind Pasadena dam