Koʻolau Mountains Watershed Partnership

  • Hawaii

About Us

The Koʻolau Mountains Watershed Partnership (KMWP) is a voluntary alliance of major public and private landowners committed to the protection of the native Hawaiian forests of the Koʻolau Mountains. These landowners recognized the importance of these forest ecosystems for their ability to replenish the underground aquifers which provide the majority of the fresh water used on Oʻahu—approximately 133 billion gallons each year.


Since the formation of the partnership in 1999, our mission has been to maintain the health of the forested expanses of the Koʻolau range as a reliable source of high quality water for Oʻahu’s people in perpetuity. KMWP works to coordinate and perform critical forest management actions such as controlling the spread of invasive plants and animals across nearly 100,000 acres of partnership lands. The mitigation of threats to the integrity of our native forests is crucial to safeguard our precious fresh water resources into the future.


The mission of the Koʻolau Mountains Watershed Partnership is to foster landowner collaboration and perpetuate the water resources of Oʻahu by protecting and enhancing the forests of the Koʻolau and its invaluable native ecosystems.


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