Another Tucson section of the Santa Cruz River now flows again | Local news

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When asked about birds – of which at least 100 species have been documented at the original heritage site since 2019 – he said, “Until there is something to eat in the river, other things like birds will not be so attracted because there are not many insects in the water, not a lot of extra food.

“My guess is it will take a few weeks for things to really take off,” he said.

The water had already flowed further downstream than he thought, Bogan said, adding that he had heard second-hand reports that it was as far as Julian Wash, south of Jan.

“What we don’t know is how the infiltration dynamics will change over time,” he said. When water first flows over the soil, the soil tends to be a little hydrophobic, a little water-repellent, because it has run out of water for a long time. This allows the water to migrate further at first.

“But at some point all of the sand and gravel you see here will become saturated so the rate of infiltration might increase so the water doesn’t get that far,” he said.

Still, “Maybe the water could get to the other one here,” he said, referring to the original Heritage project that dumped water into the river around 25th Street.

He believes that due to the relatively pristine nature of the Irvington Canal, the Irvington area has the potential to rival 25th in wildlife and habitat wealth, he said. Its west bank is full of desert shrubs and the sediment stays in place, he said.

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