Quote:
Originally Posted by Pedestrian
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From the source you linked to:
"Now an ephemeral stream throughout most of its stretch, the Santa Cruz riverbed is dry most of the year, except for occasional water flow following seasonal storms and floods. Water use over the last century has exceeded the aquifer's ability to recharge, resulting in decreased water levels in the water table and a dry river bed."
and
"The flow in the Santa Cruz River between Rio Rico and Tubac consists almost completely of effluent released from the Nogales International Wastewater Treatment Facility."
Not really comparable to Rochester or Spokane...