That Friday I drove down to the department early, before the first truck rolled out, meaning only to see the yard one last time before the cookout crowd arrived.
I did not get the chance to be sentimental. Because a main had broken in the night.
A big one, out on the old edge of town, in the freezing dark, and half the town had woken to dry taps and no water for their coffee. The new crew was already out there, the ones the city head brought in, and they could not find the shutoff valve to save their lives.
The valve was not on any map they had, because it had been buried under a repaved road twenty years ago, and the only place its location lived was in the memory of the man they had just called a flag on a spreadsheet.
The new department head, the one who fired me because I did it all by memory, was standing in the road in his good shoes, watching a town go dry, with no idea where to dig.
So I told him. I walked over, and I pointed to a spot in the pavement that looked like every other spot, and I said, dig there, four feet down, you will find it.
They dug. It was exactly there. They stopped the break and the water came back on before the town finished waking, and the new head stood there understanding, at last, what he had tried to throw away.
The town council heard the whole story by noon. They also heard, from the software company itself, that the billing discrepancy that flagged me had been a glitch in the new system, nothing to do with me at all. My record was clean. It always had been.
The council did not let the city head fire the one man who knew where the town water actually ran. They reinstated me, with back pay, and they told the new head that a man who does it all by memory is not a liability, he is the map, and you do not throw away the map.
I keep that town flowing still. Only now I am writing it all down, finally, teaching a young fellow where every pipe is buried, so the memory does not walk out the door with me next time.
The old widows on my route still get their knock on the door before any shutoff notice, the way they always did. The new head learned that too, once he stopped reading spreadsheets and started walking the town. He is not a bad man. He just did not know yet that a town is people, not numbers. He knows now.
Twenty-eight years I kept the water running, and they called me a flag on a spreadsheet. Then the spreadsheet froze, and a main broke, and the town remembered that some things you cannot download.