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wrote:
I'd have no problem measuring the level in the bucket or barrel. In
fact, you don't even need to to that. You can simply begin by taking
the other end of the hose and placing it anywhere to make a reference
mark or measurement. Then all of your other measurements are reference
from that point (which is exactly equal to the level in the reservoir
anyway).

I should have been a little more clear when I talked about the level
"jumping around". I wasn't refering to the bobbing as the level
settles. In another post above, I noted that I had once used a water
level without a reservoir. As the hose was moved around, the hose gets
disorted and its volume changes. This causes the water in both ends to
go up and down. I had thought that I could affix one end to the wall,
make a reference mark, and then leave it. I then notice that as I
moved the hose, the level at the reference mark would change. I got
around it by measuring at both ends for each measurement. With the
reservoir however, I should be able to walk around and take
measurements at one end, with the confidence that the other end is not
changing.

Sorry but it won't work that way. As you move the hose around you are
changing the amount of water in that hose. It goes back into the
bucket or more comes out of the bucket. You cannot use a water level
by only reading one end unless, as somewone else mentioned, you have an
alarm.

My method working by myself: fill the hose getting all air bubbles
out.

1. Set a stake for the master and mark the level on it. Put two nails
into it such that the hose will slide between them but friction holds
it in place.

2. Go to first station, set stake, two nails as above, put end of hose
in.

3. Return to master and pull up or push down on hose until water level
matches the mark.

4. Return to 1st station and mark stake where the water level is.

This is simpler with two people. One at master adjusts the hose to the
mark, other marks stakes.

Harry K