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Christiane Keyhani, left, and Tova Callender of Hui O Ka Wai Ola, collect water samples at the Mala Tavern on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Christiane Keyhani, program coordinator of Hui O Ka Wai Ola, fills up the bucket to test water quality at the Mala Wharf on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Tova Callender, left, and Christiane Keyhani of Hui O Ka Wai Ola, collect water samples at the Mala Tavern on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Beachgoers look at the ocean on Friday, Feb. 23, 2024, in Lahaina, Hawaii. A deadly wildfire burned more than 2,000 buildings in the Hawaiian town of Lahaina on Maui last August and left behind piles of toxic debris. Research now underway could provide the community a sense of how the ocean that shapes their lives is weathering the disaster. It may also inform travelers to Maui's famed shores whether they should enter the water. (AP Photo/Mengshin Lin)
Ekolu Lindsey, a Lahaina community advocate who has long pushed to restore coral reefs, fishing and traditions in his hometown, poses for a portrait at Olowalu Landing on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Abraham "Snake" Ah Hee, one of the first crew members of Hokulea - the Polynesian double-hulled voyaging canoe, looks at the ocean at Launiupoko Beach Park on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
This March 22, 2018, photo provided by The Nature Conservancy, Hawai'i and Palmyra shows a turtle swimming at the Wahikuli area near Lahaina off the island of Maui, Hawaii. (Ryan Carr/TNC via AP)
Tova Callender, of Hui O Ka Wai Ola, tests the water turbidity collected at the Mala Wharf on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Lanai can be seen through the reflection of Abraham "Snake" Ah Hee's sunglasses at Launiupoko Beach Park on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
This March 21, 2018, photo provided by The Nature Conservancy, Hawai'i and Palmyra shows a diver near coral near Launiupoko about 5 kms south of Lahaina off the island of Maui, Hawaii. (Julia Rose/TNC via AP)
Ekolu Lindsey, a Lahaina community advocate who has long pushed to restore coral reefs, fishing and traditions in his hometown, picks up a coral reef of pohaku puna - a lobe coral and one of Hawaii's most prominent reef-building coral species, at Olowalu Landing on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Necklaces made with shells and a fish hook, also known as a makau, are hung in Abraham "Snake" Ah Hee's truck on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Abraham "Snake" Ah Hee, one of the first crew members of Hokulea - the Polynesian double-hulled voyaging canoe, is pictured at Launiupoko Beach Park on Friday, Feb. 23, 2024, in Lahaina, Hawaii. Ah Hee said he has noticed there has been less limu (seaweed) after last year's fire. (AP Photo/Mengshin Lin)
This May 11, 2017, photo provided by The Nature Conservancy, Hawai'i and Palmyra shows Polanui about 300 meters south of Lahaina Harbor off the island of Maui, Hawaii. (Ryan Carr/TNC via AP)
The Hawaiian flag flies in the background, as Abraham "Snake" Ah Hee talks about the stories his great-grandmother told him when grew up at Launiupoko Beach Park on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Christiane Keyhani, program coordinator of Hui O Ka Wai Ola, right, puts water into a bucket to test water quality at the Mala Tavern on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
This March 22, 2018, photo provided by The Nature Conservancy, Hawai'i and Palmyra shows the Wahikuli area near Lahaina off the island of Maui, Hawaii. (Ryan Carr/TNC via AP)
From left; Christiane Keyhani, Suzanne Bieser and Tova Callender of Hui O Ka Wai Ola, test water quality collected at the Mala Wharf on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)
Abraham "Snake" Ah Hee, one of the first crew members of Hokulea - the Polynesian double-hulled voyaging canoe, looks at the ocean at Launipoko Beach Park on Friday, Feb. 23, 2024, in Lahaina, Hawaii. (AP Photo/Mengshin Lin)