Aquifer depletion is a big problem too. We pull underground water faster than it is replenished. This can permanently shrink the capacity of aquifers and/or make them unreachable.
And salt water intrusion in Monterrey county..Salinas river and Salinas valley is known as the salad bowl. It’s a ticking bomb for salt water intrusion. Already areas around San Juan Bautista have no water..no matter how deep they drill..