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Making Montecito Safer – Part 2

Boulder field Glen Oaks Drive neighborhood Tom Dunne
Tom Dunne
The deadly debris flow of Jan. 9, 2018 launched a sea of mud, rocks and trees into residential neighborhoods. On East Valley and Glen Oaks Drive, shown here, the flow dropped a field of boulders as it surged downhill. P

Vowing to “keep it in the creeks,” a new group explores ways to permanently reduce the damage from recurrent debris flows.

MONTECITO, Calif. - What if the boulders and debris that obliterated whole neighborhoods in Montecito on Jan. 9, 2018 could have been captured in the creeks?

Partners in Community Renewal, a new nonprofit group in Montecito, called RenewSB for short, is on a mission to accomplish that seemingly impossible task. Drawing on experts here and beyond California, the group has embarked on a $4 million, four-year study of the geology, hydrology, topography and violent history of debris flows in Montecito.

“This is my home; it’s our home,” said Curtis Skene, the executive director, a debris flow survivor and a co-founder of RenewSB with his partner, Kris Kirkelie. “I just feel that when you have a place that’s your home, you have to defend it; you have to rebuild it, you have to fix it. When I got out after 1/9, I kept saying to myself, what’s the opportunity in this big problem?”

RenewSB will design a masterplan for Montecito’s five main watersheds, encompassing Montecito, Cold Springs, Hot Springs, Oak, San Ysidro, Buena Vista, Romero and Picay creeks, showing how and where streams and bridges can be modified to reduce the future loss of life and property, Skene said. The final blueprint will include recommendations for a number of new creek basins that can trap boulders and fallen trees, Skene said. All of the group’s findings will be turned over to county Flood Control.

“It’s a big undertaking; you really have to look at the entire system,” Skene said. “We will do the study, identify areas where we can do things, and then go after acquiring properties. All of this ends up having to be a community discussion. We would like to talk to anybody and everybody.”

RenewSB is the second local non-profit group to grapple with Montecito’s existential dilemma – a wealthy enclave of 11,000 people living in a high-hazard zone. The very ground under their feet is an alluvial fan, laid down through the millennia by massive debris flows that roared out of the canyons of the Santa Ynez Mountains, most recently on Jan. 9, 2018.

Since the disaster, another Montecito non-profit, the Partnership for Resilient Communities, has raised nearly $6 million for the installation and future cleanout of six steel-wire ring nets in the upper stretches of Cold Springs, San Ysidro and Buena Vista creeks. The last two of the six nets were installed last week. The Partnership is asking the county for a four-year extension of its ring net permit. The county had granted a one-year emergency permit for the project; it expires on Dec. 21.

In search of longer-term solutions, RenewSB has finished a preliminary study of San Ysidro Creek; next, it will focus on Montecito Creek, where 17 people died below East Valley Road in last year’s disaster. The actual implementation of the masterplan by the county could take 10 to 15 years and tens of millions of dollars in private and public funds, including state and federal grants, Skene said.

Curtis Skene, left, and Kris Kirkelie founded Partners in Community Renewal to study how Montecito's creeks and bridges can be modified to reduce the future loss of life and property in recurrent debris flows. Larry Gurrola, a Santa Barbara geomorphologist, is the project manager.

Early next year, he said, RenewSB will begin reaching out to landowners who lost their homes on Jan. 9, 2018; they may want to sell all or part of their creek-side properties for debris basins, instead of rebuilding in the path of danger.

“It requires somebody like us to approach those neighbors,” Skene said. “The county can’t do it.”

The fire-flood cycle

Geologists say there is a higher risk of debris flows in Montecito through 2023 in the wake of the Thomas Fire, which laid waste to the mountainside in late 2017 and early 2018. Still, the community is approaching its third rainy season since the fire with a greater margin of safety than in January, 2018. Six ring nets are up, and, according to the Montecito Fire Protection District, 80 percent of the former vegetation has grown back on the slopes above town.

On Dec. 5, Montecito Fire and the county Office of Emergency Management will release a new “red zone” map showing the properties at highest risk of damage from debris flows or debris-laden floods this winter. The map will be displayed at a meeting at the Montecito Union School, beginning at 5:30 p.m.

Historical records show that seven debris flows and debris-laden floods have hit Montecito since 1914; that’s an average 15-year interval between disasters. Last year’s was the deadliest.

In a recent study, the U.S. Geological Survey estimates that 888,000 cubic yards of mud, rocks and trees were deposited in Montecito during the Jan. 9, 2018 debris flow. Adding in the debris that was removed from Montecito’s four existing debris basins, and the mud that flowed offshore, the total volume comes to about 1,004,000 cubic yards.

For comparison, that’s enough mud and debris to cover 23 miles of Highway 101 three feet deep – all six lanes from Casitas Pass Road in Carpinteria to Storke Road in Goleta.

On Jan. 9, 2018, the existing debris basins on Montecito creeks captured only nine percent of the total flow. Is it even possible to trap all the boulders and trees that would come down in a similar disaster?

Downed trees formed much of the debris that jumped the creek banks and surged through Montecito on Jan. 9, 2018.

Larry Gurrola, project manager of RenewSB, believes it is. He is a Santa Barbara geomorphologist who studies landforms, or the physical features of the earth’s surface.

In addition to siting potential new debris basins, Gurrola said, the group will identify where creeks could be dredged or contoured to slow down the momentum of a debris flow, while letting the mud flow downstream.

“As they come down, debris flows build up a snout of boulders, logs and trees that can be quite high,” Gurrola said. “There would be structures in the creek to break up the flow and reduce the height. I’m looking at it as an opportunity to bring in techniques used in other states and countries – Switzerland, Austria, Canada, Japan – and apply them here.”

During last year’s disaster, a number of bridges in Montecito quickly clogged with debris, effectively pushing battering rams of boulders into residential neighborhoods. Some of these bridges could be elevated or modified with hydraulic engineering to help “keep it in the creeks,” Gurrola said.

“It’s well-known these bridges are under-designed for debris flows,” he said. “They were designed for clearwater flows.”

Two-time survivor

On Jan. 9, 2018, Skene witnessed the destruction of his childhood home at 1709 East Valley Lane as he took refuge in his backyard patio.

“A foot over there or over here and I would have been a statistic,” he said. Nearby, four people died when the river of mud, boulders and debris jumped the banks of San Ysidro Creek above Randall and East Valley roads. Throughout Montecito, 23 people perished.

During a massive debris laden flood in 1969, Skene had witnessed a river of mud rising outside his home as a boy of 12. After his narrow escape in 2018, he said, “I was saying to myself, ‘What the hell was I doing there? I saw this in ’69.’”

In the weeks after Jan. 9 last year, Skene came up with the concept of a new debris basin on San Ysidro Creek at Randall and East Valley. He got the county and eight landowners on board, and the $20 million, eight-acre project is on a fast track. It will hold 80,000 to 100,000 cubic yards of debris and will be the second-largest debris basin on the South Coast. The Santa Monica Creek debris basin above Carpinteria can hold 200,000 cubic yards of debris.

The new basin on San Ysidro Creek is expected to be in place by the fall of 2021, paid for in large part by the Federal Emergency Management Agency.

Seeing those results, Skene said, Montecitans from other neighborhoods asked him, “ ‘Would you consider a broader initiative?’” The result, he said, is RenewSB; the group has raised $2 million in pledges from individuals and private foundations to date, money that was targeted but is no longer needed for the Randall debris basin. In all, Skene said, the group will need to raise $2 million more to complete its watershed masterplan.

Skene and Kirkelie have been so busy, they only recently got around to demolishing Skene’s wrecked house. It was the last to come down on their block.

“We can take this traumatic disaster and turn it into a model for other communities not to overbuild, but to rebuild and renew,” said Kirkelie, a home designer who volunteers her time for RenewSB. “We’re looking for long-term solutions to historical problems.”

Part one of this series can be found here.

Melinda Burns is a freelance journalist based in Santa Barbara.

Article Topic Follows: Santa Barbara - South County
debris flow

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Melinda Burns

Melinda Burns is a freelance reporter based in Santa Barbara, California.


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