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Non-Potable Water Quality

Sep 27

At certain times of the year, blue-green algae – technically known as cyanobacteria – is present in the reservoir and can affect irrigation ponds. We have received notice that a recent water quality test showed that cyanobacteria is present in the non-potable irrigation ponds shown on the map below.

Blue-green algae has been confirmed in the Timnath reservoir in previous years – typically towards the end of summer and into early fall. Because direct contact can cause health issues in humans and animals, it is recommended that people and their pets avoid contact with the algae.

  • Keep children away from algae and scum in the water along the shoreline.
  • Avoid contact with algae, scum and the water around it.
  • Do not swim or wade near algae or scum.
  • Do not allow pets to enter or drink the water. If this occurs and your pet has a sudden or unexplained illness, contact your veterinarian.
  • Clean fish well with fresh water and discard guts. 
Aerial view of a pond beside roads, some development, and agricultural fields.
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