Foamy Contamination Reported in Nairobi National Park Waterways
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The Kenya Wildlife Service (KWS) has reported abnormal foamy water inflows entering Nairobi National Park, prompting an investigation and a public advisory. Authorities have urged people to avoid fishing and using water from the affected rivers, which feed into the Athi Dam.
Facts First
- Abnormal foamy inflows reported entering Nairobi National Park through the Mlolongo drainage corridor on April 30, 2026.
- The Kenya Wildlife Service (KWS) described the water as having white, effervescent bubbles, continuous discharge, and unnatural coloration.
- The affected water system feeds into the Mbagathi and Athi Rivers, which supply the Athi Dam.
- Authorities have urged the public to avoid fishing and using water from the rivers.
- An investigation has been launched to determine the source of the contamination.
What Happened
On April 30, 2026, the Kenya Wildlife Service (KWS) reported abnormal foamy water inflows entering Nairobi National Park through the Mlolongo drainage corridor. KWS described the inflows as having white, effervescent bubbles, continuous discharge, and unnatural coloration. The affected water system feeds into the Mbagathi and Athi Rivers, which supply the Athi Dam.
Why this Matters to You
If you live near or rely on the Athi River system, you may be advised to avoid fishing or using the water until the source of the contamination is identified and addressed. The park, which is home to lions, buffalo, leopards, rhinos, and a rhino sanctuary, could see its wildlife and habitats affected by the polluted inflows.
What's Next
An investigation has been launched to determine the source of the contamination. Preliminary findings suggest that the runoff may have interacted with nearby areas. The investigation's results could lead to measures to stop the contamination and protect the park's ecosystem.