Lena climbed down. The pump house was a cathedral of noise—motors thrumming, bearings whining—but the main outlet pipe was cold and still. She traced it with her fingers. The airlock was a ghost, but she could feel its shape in the system’s refusal to live.
“Only one way,” she said, wiping grease onto her jeans. “We crack the main hatch. Let the water out.”
She radioed the valley. “Water’s back. Go boil your pasta.”
Elias’s eyes went wide. “You open that, the tank empties. The whole valley loses pressure for six hours.”
She closed the hatch. The pump house below changed pitch—from a scream to a steady, contented roar. Water was moving.
Lena, the district’s water warden, stood on the catwalk circling its iron belly, a stethoscope pressed to the riveted steel. Nothing. Not the gurgle of inflow, not the whisper of outflow. Just the dry, hollow echo of her own knocking.
And deep inside the tank, the ghost was gone. For now.