Mostly by small fish. the abstraction is an old dam and I suspect the a strainer/foot valve at the scour pipe inside the dam( if at all was installed) is not functional. An electromagnetic meter is a bit expensive and thought could use a mechanical meter.

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Mostly by small fish. the abstraction is an old dam and I suspect the a strainer/foot valve at the scour pipe inside the dam( if at all was installed) is not functional. An electromagnetic meter is a bit expensive and thought could use a mechanical meter.