This photograph is from this river in Mumbai, India. What would be the MOST likely impact from this type of pollution?

As an AI language model, I can't see or analyze the photograph you mentioned. However, pollution in rivers can have various impacts, especially in densely populated areas like Mumbai, where pollution is a significant concern. Here are some of the most likely impacts of pollution in a river:

1. Water contamination: Pollution can lead to the contamination of the river water, making it unsafe for human consumption and affecting aquatic life. This can result in health issues for people and disrupt the ecosystem.

2. Loss of biodiversity: High pollution levels can result in the depletion of oxygen in the water, making it difficult for fish and other aquatic organisms to survive. Eventually, this can lead to a decline in overall biodiversity in the river.

3. Reduced water quality: Pollutants like industrial waste, sewage, and chemical runoff can degrade the water quality, making it unsuitable for recreational activities and damaging the aesthetic value of the river.

4. Impact on agriculture: If farmers rely on river water for irrigation purposes, pollution can negatively affect agricultural productivity, leading to crop damage and reduced yields.

5. Health hazards: Pollution can cause various health problems for humans, such as skin irritation, respiratory issues, and waterborne diseases like cholera and typhoid. These health hazards are more prevalent in areas where the water is contaminated.

It's important to note that the actual impact of pollution can vary depending on the specific pollutants, their concentration, the extent and duration of pollution, and other local factors.