We have a fairly basic system (160 lots), but we are experiencing leakage. Shrinkage due to evaporation? Leaks?
What experience does anyone have with leak detection / monitoring? Each lot is metered and the pumps are monitored / metered both volume and hours worked.
Cost effective monitoring? In-line meters?
I have little to no experience with leak detection, but I hear Fluksaqua has a beta app for this application maybe it can help.
We also have a small system (360 connections) and also on an island. We reduced production drastically by addressing long standing leaks when we took over the system. Don't know if you also have this situation, but one of the things we addressed was we have a lot of mains that run under undeveloped paper roads which have not been cleared or through other wooded areas. We mowed a 3-4 foot wide clearing above all these lines and keep in clear. We found several long standing, large leaks in these areas which were repaired and we now can find new leaks as quickly as on the developed roads and address them.
Are you monitoring your system with a SCADA?
What pressure does the system operate?
I did share your question with a colleague in Ontario, Canada (Rossport village). They had a huge leak that had not surfaced above the ground. They addressed the issue by surveying their distribution network with an electro acoustic leak detector (Sewerin Aquaphon A100).
They seem to be very happy with the results they got and said that ''for the first time since the plant was commissioned in 2008, it is running efficiently and far less expensively as ever it had''.
If you want more detail I can share a 2 page case study of their findings, the equipment used and other lessons learned along the way.