Hilo wastewater plant upgrades could start next summer The Citizen 2 years ago Long-planned upgrades to the Hilo Wastewater Treatment Plant should begin next summer. Source: Hawaii Tribune Herald Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Groundbreaking held for $337M in upgrades to Hilo sewage plantDateAugust 1, 2025In relation tokaumakani kauaiBid for overhaul of Hilo wastewater plant could be approved next monthDateSeptember 22, 2024In relation tokaumakani kauaiFunding approved for Kealakehe sewage plant upgradesDateOctober 16, 2025In relation tokaumakani kauai
