When was the Water Resources and Management Act enacted and amended?

The Water Resources and Management Act was enacted in 1966 and has been amended several times since then. However, the specific dates of the amendments may vary depending on the jurisdiction or country in which the act is enacted.

When was it's amended year?

The Water Resources and Management Act has been amended multiple times since its enactment in 1966. Some jurisdictions may have more recent amendments, so a specific "amended year" would depend on the specific version of the act in question. It would be important to consult the specific legislation in the relevant jurisdiction to determine the exact years of any amendments.