Manx Utilities says it's finished two major safety projects at the Cringle and Clypse reservoirs.
The utility company says it strengthens the dam and secures a reliable water supply for the Island.
Work at Cringle involved refurbishing the concrete spillway channel.
Meanwhile at Clypse, two key valves and a new pressure sensor were installed.
Northern bus services to be raised in Keys
Ben out of service for maintenance work this week
Richmond Hill closed again tonight for work
October warmer and sunnier than usual, says Met Office
MHK queries cost of Liverpool awards trip
DOI says it has 20 empty public sector homes
Marquee plan submitted by Milntown Estate
Fire crews called to free driver from crashed car