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The Blowout That Started the Environmental Movement

On January 28, 1969, a Union Oil well ruptured on Platform A in the Santa Barbara Channel. The 100,000 barrels that followed changed American law forever.

Matt Dennis

Platform A


Platform A sat in 188 feet of water in the Santa Barbara Channel, about six miles offshore from Summerland. Union Oil Company operated it under federal lease. On January 28, 1969, at approximately 10:45 a.m., workers on the platform were pulling a section of drill pipe from Well A-21 when the well blew out. Mud and natural gas erupted from the wellbore. The crew activated the blowout preventer — a stack of hydraulic rams designed to seal the well casing — and it worked. The flow from the wellbore stopped.


But the blowout preventer only sealed the pipe. The pressure had nowhere to go. It found the path of least resistance: a fracture network in the poorly consolidated seafloor sediment surrounding the well casing. Within hours, crude oil and natural gas were bubbling up from the ocean floor in a widening pattern around the platform. The well was sealed. The earth was not.


The Variance


The geology of the Santa Barbara Channel should have made everyone cautious. The channel sits atop the Monterey Formation, a Miocene-era deposit of organic-rich shale that has been generating hydrocarbons for millions of years. Natural oil seeps along the Santa Barbara coast — at Coal Oil Point, near Goleta — have been documented since the Chumash described them to Spanish explorers in the 18th century. The seafloor in the channel is geologically active, fractured, and permeable. Drilling into it is like performing surgery on a patient with hemophilia.


Union Oil knew this. The U.S. Geological Survey knew this. Despite this knowledge, the USGS had granted Union Oil a variance from federal regulations requiring a minimum casing depth of 300 feet below the ocean floor. The variance allowed Union Oil to set casing at only 239 feet on Well A-21 — sixty-one feet less than the standard requirement. The logic was economic. Deeper casing meant more time, more steel, more money. The variance saved Union Oil an estimated $50,000 per well.


The blowout, the cleanup, the lawsuits, and the regulatory overhaul that followed cost hundreds of millions.


The Slick


Over the next eleven days, an estimated 80,000 to 100,000 barrels of crude oil escaped from the fractured seafloor around Platform A. The slick spread across 800 square miles of ocean. It coated 35 miles of coastline from Rincon Point to Goleta. The oil was heavy California crude — viscous, dark, and persistent. It didn’t evaporate or disperse easily. It stuck to rocks, sand, kelp, feathers, and fur with the tenacity of roofing tar.


The images were devastating. Television news crews — this was the era when network news had just gone to thirty-minute formats and was hungry for visual stories — filmed oil-soaked grebes and cormorants struggling on East Beach. They filmed dead sea lions at Carpinteria. They filmed volunteers in rubber boots and cotton gloves wiping crude oil off pelicans with rags.


The death toll among wildlife was difficult to quantify precisely, but estimates included at least 3,600 seabirds, along with significant numbers of seals, sea lions, and dolphins. The Channel’s kelp forest ecosystems, already stressed by warm water events, took years to recover. Intertidal communities — mussels, barnacles, limpets, anemones — were smothered.


The Response That Didn’t Exist


In January 1969, the United States had no meaningful oil spill response infrastructure. There was no federal agency with clear jurisdiction over offshore spill cleanup. There was no pre-positioned equipment. There was no playbook.


Union Oil’s initial response was to dump chemical dispersants on the slick — industrial detergents that broke the oil into smaller droplets. The dispersants were, in many cases, more toxic to marine life than the oil itself. When that approach was abandoned, workers spread straw on the water to absorb the oil, then raked the oil-soaked straw off the beaches by hand. They used steam cleaners on the rocks, which killed whatever the oil hadn’t. The cleanup was improvised, labor-intensive, and only partially effective.


Fred Hartley, president of Union Oil, did not help his company’s public position when he told reporters, “I am amazed at the publicity for the loss of a few birds.” The statement became one of the most-quoted corporate missteps of the 20th century.


GOO


The political response was immediate and, by the standards of American environmental politics, unprecedented. Santa Barbara residents formed Get Oil Out (GOO), an activist organization led by Bud Bottoms, a local artist and sculptor. GOO organized a petition drive that collected over 100,000 signatures calling for a ban on offshore drilling in the Channel. They staged a “fish-in” at the Santa Barbara Harbor and organized beach cleanups that doubled as media events.


GOO was effective because its members were not the usual suspects. These were not Berkeley radicals or back-to-the-land hippies. They were property owners, business people, and Republican voters in one of the wealthiest communities in California. When they showed up in Sacramento and Washington demanding action, legislators couldn’t dismiss them as fringe activists. This was the establishment, covered in oil, asking why their government had let a petroleum company cut corners sixty-one feet at a time.


The Legislative Cascade


What followed the Santa Barbara spill was the most concentrated burst of environmental legislation in American history. The direct legislative and regulatory consequences include:


The National Environmental Policy Act, signed by Richard Nixon on January 1, 1970 — less than a year after the blowout — required environmental impact assessments for all major federal actions. NEPA created the Council on Environmental Quality and established the legal framework for the environmental review process that governs federal permitting to this day.


The California Environmental Quality Act (CEQA), modeled on NEPA, was signed by Governor Ronald Reagan in 1970. Reagan, not typically associated with environmental regulation, signed it without objection. The political mood after the spill was that unambiguous.


The Environmental Protection Agency was established by executive order on December 2, 1970. The Clean Water Act followed in 1972. The Coastal Zone Management Act in 1972. The Marine Protection, Research, and Sanctuaries Act in 1972. The Endangered Species Act in 1973. The establishment of the California Coastal Commission in 1972, initially as a temporary body created by voter initiative (Proposition 20), made permanent by the California Coastal Act of 1976.


All of this — the entire regulatory architecture that governs how Americans interact with their coastline, their water, and their air — traces a direct line back to a sixty-one-foot variance in well casing depth on Platform A.


Earth Day


Senator Gaylord Nelson of Wisconsin visited Santa Barbara’s oil-soaked beaches in February 1969. He later said the experience gave him the idea for a national day of environmental awareness. He recruited Denis Hayes, a 25-year-old Harvard Law student, to organize it. On April 22, 1970, an estimated 20 million Americans participated in the first Earth Day — the largest civic event in American history at that time.


Nelson was explicit about the connection. The Santa Barbara spill, he said, demonstrated that environmental destruction was not an abstraction debated by scientists — it was crude oil on a public beach in a city where people lived, worked, and voted. The visual evidence was impossible to rationalize away. You could argue about parts per million. You couldn’t argue about a dead grebe.


The Seeps


There is a final detail that complicates the clean narrative of industrial villain and pristine victim. The Santa Barbara Channel has always leaked oil. The natural seeps at Coal Oil Point, three miles west of the UCSB campus, release an estimated 40 to 170 barrels of crude oil per day — between 14,600 and 62,000 barrels per year. They have been doing this for at least 500,000 years. The Chumash used the natural asphalt, called bitumen, to waterproof their tomol canoes.


Some geologists have argued that controlled extraction from the Monterey Formation actually reduces the pressure that drives the natural seeps, meaning that offshore drilling, done carefully, might decrease total oil leakage into the channel. The data on this is contested and politically radioactive.


What is not contested is that the 1969 blowout was not caused by the existence of oil under the channel. It was caused by a specific decision to save $50,000 per well on casing depth in a geological formation that everyone involved knew was unstable. The engineering failure was not in the drilling. It was in the variance.