Nuclear Waste

The Chalk River Laboratories (CRL) is located on the banks of the Ottawa River, approximately 200 kilometres upstream of Ottawa-Gatineau. With a legacy of pollution by radioactive waste, Ottawa Riverkeeper has been tracking the activities and risks associated with the Chalk River Laboratories for many years.


Triclosan is used as an antimicrobial agent in a wide variety of consumer products in Canada. It is often found in personal care and cleaning products – antibacterial soaps, skin cleansers, toothpaste, and general purpose cleaners and detergents are just a few places you can find this chemical.

Sewage Overflows

Most of the time, water quality in the Ottawa River is great for recreational activities. However, that is not always the case. When it rains or when snow melts, untreated sewage often flows in the river from combined sewers.

American Eels

The American eel was once the dominant fish species in the Ottawa River. In the past 40 years, it has declined by 99% and, along with it, so has the appreciation for its rich historical, ecological and cultural values within the watershed.


Microplastics are tiny pieces of plastic that are typically smaller than 1mm in diameter. They can be found in clothing, fabrics, and other every day products.

Energy East Pipeline

TransCanada’s Energy East Pipeline would have crossed  many Canadian rivers, including our own Ottawa River, with no details as to how to make that crossing safely. In October 2017, TransCanada said it would not move forward with the proposal.