We got the water in at camp on Welch last week. The process involved:
1. Close the drain valve just above the lake water level.
2. Close the drain at bottom of water tank and UV system.
3. Reinstall the two filter canisters with new cartridges.
4. Turn on the power and watch the gauge run up. Done.
Last fall we had ISS install a new pump system with a submersible pump that stays in the lake in about 12' of water, 30' beyond end of breakwater. Pump is mounted on a stainless steel frame and held at about a 45 degree angle.
All pipe stays in place for the winter, just open drain valves at end of season. I was concerned that the pipe would freeze and burst just below the drain valve. Steve at ISS said that he has installed about 25 such systems and never has had a problem. And he guaranteed the system, if the ice did it in he would fix it.
After getting the water in I left the system pressurized with the power off for 2 days and there was no loss in pressure. So no leaks after that cold winter.
We used to have a jet pump under the camp and a water hose that had to be put back in the lake. And then we had to prime the system which always took way too long. I don't miss the old jet pump one bit.
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