Mystery of the Rainbow Water Flowing in the Grand River

During the storms on Sunday, someone filmed a mysterious rainbow colored water flowing in the Grand River, which came with a strong chemical smell.

Rain Storms Bring Lots to Michigan River Systems

The Grand Rapids, Michigan, area gets its share of rain year-round.

👇BELOW: These 5 Michigan Weather Records May Never Be Broken👇

The rain from Michigan storms has to go somewhere.

The rain runs into the sewer system, ditches, streams, creeks, and rivers. Rainstorm water can pick up things like tree branches, small trash, sewage overflow, and chemicals.

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Mystery of the Rainbow Water Flowing in the Grand River

During the rain storms on Sunday, March 30, 2025, a poster on the Grand Rapids Reddit page filmed mysterious rainbow colored water flowing down the Grand River. The poster also mentioned a strong chemical smell and asked fellow Michiganders where this smelly rainbow water originated. Below is what they had to say:

My guess the rainbow colored water was an oil or gas slick, but I can't explain the chemical smell.

These first couple of Reddit posters have lived in the area for a long time and are aware of these pumpjacks.

Anytime you see anything in the water that doesn't feel right, report it to the proper agency or agencies, or the media to bring attention to it. That report may save lives.

This Reddit poster may have found a possible source of the rainbow colored water.

This Grand Rapids Reddit poster offered great solutions when spotting something that doesn't seem right with our rivers and other water sources.