The Robinson Pomo are Eastern Pomo people, part of a broader Pomo population that numbered between 10,000 and 18,000 across California by 1800. They lived in the Clear Lake basin, one of the most ecologically productive landscapes in northern California. The lake, the oldest natural freshwater lake in North America, teemed with fish, waterfowl, and the tule grass that the Pomo wove into baskets, boats, mats, and shelters. Their territory occupied the eastern shore of the lake, in what is now Lake County. European American settlers arrived in the late 1840s. Andrew Kelsey and Charles Stone forced local Pomo into labor, paying them with lashes. When the Pomo fought back and killed their captors in 1849, the army's response was not justice but collective punishment. The Bloody Island Massacre that followed was part of a broader pattern of violence against California's indigenous peoples during the Gold Rush era, a period that historians have increasingly recognized as genocidal.

The federal government's Indian termination policy of the 1950s aimed to end the special legal relationship between the United States and tribal nations. In 1956, the government terminated its recognition of the Robinson Rancheria. Tribal members lost access to federal services, and many moved to urban areas looking for work. The Old Robinson Reservation ceased to function as a tribal homeland. For the Pomo who remained in Lake County, termination did not erase identity, but it removed the legal framework that made collective governance possible. The tribe existed in a kind of political limbo, present on the land but invisible to the government that had displaced them in the first place. Federal recognition was formally restored in 1977, and in 1978 the Robinson Rancheria organized a new tribal government. The tribe adopted its constitution in 1980, establishing a democratically elected six-person tribal council with officers serving staggered two-year terms. The 1981 court case Mabel Duncan, et al. v. United States further confirmed that the original termination had been illegal.

The Robinson Rancheria today consists of two sites in Lake County, separated by eight miles, totaling 113 acres of trust land. It is a modest footprint for a people whose ancestors once moved freely across the Clear Lake basin. But those 113 acres support a functioning government, economic enterprises, and environmental stewardship that extends well beyond the rancheria's boundaries. The tribe operates the Robinson Rancheria Resort and Casino, which provides employment in a rural county where economic opportunities are limited. The Pomo Smoke Shop and R Pomo Pumps are additional tribal enterprises. Revenue from these operations funds tribal services and community programs, sustaining a population that government policy once tried to disperse permanently.

The Robinson Rancheria Environmental Center represents something deeper than regulatory compliance. The center operates a native plant nursery, growing species that belong to the Clear Lake ecosystem. It runs a recycling center and monitors local water quality, work that matters in a watershed plagued by mercury contamination from the Sulphur Bank Mercury Mine, a Superfund site that has been leaching toxins into the lake for decades. The center also maintains tribal roads. Water quality monitoring is not abstract science for the Robinson Pomo. Their ancestors fished this lake. Mercury contamination has made some of those same fish unsafe to eat. Blood tests on Pomo tribal members in the 1990s revealed mercury levels twice the expected baseline. By monitoring the water, the tribe protects both the ecosystem and the health of its people. The environmental center is an exercise of sovereignty through stewardship, caring for a landscape that the Pomo have known for thousands of years.

The Robinson Rancheria is served by the Upper Lake Union Elementary School District and the Upper Lake Union High School District, a quiet detail that says something important. Tribal children attend the same schools as their non-tribal neighbors. The rancheria is not an enclave but a community woven into the fabric of Lake County. In 2017, the tribe welcomed back members who had been disenrolled, an act of inclusion in an era when tribal membership disputes have divided many nations. The sunrise ceremony each May at Clear Lake is the most visible expression of continuity, but the daily work of governance, environmental monitoring, education, and economic development is what sustains it. Ni'ka, the girl who breathed through a reed while soldiers killed her family, survived to tell what happened. Her descendants and their kin now operate a government, tend a native plant nursery, and monitor the water quality of the lake where she hid. That is what survival looks like over 175 years.