There had been a steep decline in the number of menhaden off Long Island by the late 1890s, which, combined with the
Panic of 1893, resulted in the closure of the fish-oil plants. The carcass-dumping continued: in one five-day span in August 1896, records show that 1,256 horse carcasses had been processed. having unsuccessfully attempted to bury waste in
Rikers Island. The company, which collected garbage from hotels around the city, operated a
garbage incinerator By 1897, the island was home to two garbage plants and four animal-processing plants. Barren Island soon became known for its use as a garbage dump, receiving waste and animal carcasses from Brooklyn,
Manhattan, and
the Bronx. New York City's other two
boroughs,
Queens and
Staten Island, had their own garbage disposal sites. The Sanitary Utilization Company disposed of glass bottles and other non-processable items on the northern coast of Barren Island. Some valuable trash, such as jewelry, ended up on Barren Island. In 1899, state and city lawmakers passed bills to reduce the stench, but these bills did not progress because the governor and mayor opposed these actions. The unstable land along the coast caused numerous landslides from 1890 to 1907, which damaged factories on the island. By the 1900s, the island was receiving seven or eight
garbage scows per day, which collectively delivered of trash. A boat of dead horses, cats, cows, and other animals arrived daily at the island. Workers at the horse processing factories were paid more than those at the garbage incinerator. As of the 1900 census, there were 520 Barren Island residents in 103 households, and all of the large "households" of male laborers had been dispersed. Around this time, there were four main landowners: the Sanitary Utilization Company, the
Roman Catholic Diocese of Brooklyn, the government of Brooklyn, and the Products Manufacturing Company. Barren Island served as a residential community for the families of laborers who worked there, and at its peak in the 1910s, it was home to an estimated 1,500 people. Most of these residents were either African-American laborers or immigrants from Italy, Ireland, or Poland, since few Americans were willing to work with the garbage-related industries; The island had no running water,
sewage treatment, or
New York City Fire Department stations. An 1897 article in the
Brooklyn Daily Eagle described pools of sewage around the school buildings and on the island's main street, as well as accumulations of trash scattered haphazardly across the island, and noted that "how any person manages to work on the island is a mystery". Through the 1910s, as the odors became worse, more complaints were filed with the city government, and real estate developers in adjacent communities such as the Rockaways and Flatlands cajoled the city government to take action. Residents in nearby neighborhoods blamed their illnesses on the smells, In 1916, New York City Mayor
John Purroy Mitchel announced that a new garbage landfill would be built on Staten Island to replace the Barren Island landfill. Because of complaints from Staten Islanders, the location of the landfill was changed several times. The city government eventually decided to build the landfill in
Fresh Kills, an isolated plain on
Staten Island that was far away from the vast majority of Barren Island's residents. It had overruled several injunctions and formal complaints from Staten Island residents who did not want a landfill anywhere in the borough. Politicians from the
Democratic Party accused Mitchel, a member of the rival
Republican Party, of corruption. Mayoral candidate
John Hylan said that if he were elected in the
upcoming year's mayoral election, he would relocate the landfill off Staten Island. Hylan ultimately won the election against Mitchel, and he threatened to revoke the Fresh Kills landfill operator's license. Hylan ultimately restored dumping operations at Barren Island, despite having denied rumors about the resumption of such operations. After political backlash, the city government started paying US$1,000 per day to the Sanitary Utilization Company to dispose of the city's trash. The city government started dumping its trash into the ocean in 1919, and the Sanitary Utilization Company closed its facility two years later. Additionally, the advent of automobile travel reduced horse-drawn travel in New York City, and resulted in fewer horse cadavers being processed on Barren Island. By 1918, the island processed 600 horse carcasses per year; it had once processed the same number of corpses in 12 days. The Thomas F. White Company closed the E. P. White fertilizer factory by around 1921 and started demolishing the Sanitary Utilization Company facility around the same time. The final horse processing plant closed in 1921. The last garbage processing plant on Barren Island, the Products Manufacturing Company, was transferred to city ownership in 1933, and operations ceased two years later. ==Seaport plans and decline of community==