What landmark legal case required the termination of hydraulic mining debris discharges into California rivers?

The landmark legal case that required the termination of hydraulic mining debris discharges into California rivers is indeed Woodruff v. North Bloomfield. This case, decided in the late 19th century, addressed the significant environmental damage caused by hydraulic mining, which was a method used during the California Gold Rush.

The debris that resulted from hydraulic mining, which included large amounts of sediment and toxic materials, was being discharged into the rivers, leading to serious ecological consequences and impacting the waterways and the communities dependent on them. In 1884, the court ruled in favor of the plaintiffs, emphasizing the negative effects of these discharges on the environment and upholding the principles of sustainable water usage and ecological preservation. This case set an important precedent for environmental law and is often cited in discussions regarding water rights and mining regulations in California.

The other options refer to different legal matters concerning water rights and usage but do not involve the direct termination of the hydraulic mining debris that was so damaging to California's waterways.