State water officials offered an early look at the downsized California WaterFix project earlier this month, and conservationists and far-traveling indigenous tribes say they still believe it has the potential to permanently alter life in and around the Delta.

The old version of California WaterFix, better known as the “twin tunnels,” was opposed by virtually every major environmental organization in the state, as well as fishing alliances, Delta businesses and groups concerned with the cultural and historic resources from Freeport to Walnut Grove.