A mysterious pink powder found at Clypse Reservoir last month is mostly chalk, according to Manx Utilities.
The authority confirmed the news this week, saying the substance is not toxic.
The reservoir has now been put back into service and re-opened after operations there were halted and the site shut whilst investigations were carried out.
Officials also added to treat Island water supplies with respect.
Are gas supplies being cut off illegally?
Questions about vulnerable customers having their gas cut off will be raised in the House of Keys next week.
TT footbridge construction to close road
Part of the TT course will shut tomorrow while a footbridge is installed.
Police name biker who died in Ballamodha crash
Police say a motorcyclist has died after a crash earlier this week.
Peel cars return home
There's a chance to see two of the world's smallest production cars, which have returned home this weekend.
Benefits claimant abused staff
A man frustrated over his benefits claim subjected government staff to a barrage of abuse.
Euro game road closures approved
North Quay in Douglas will be closed for the home nations football matches during this year's Euros.
Whale and Dolphin watching event on Sunday
A wildlife charity is holding its first spotting event of the year this weekend.
Northern lights a possibility this weekend
The Island could be in for a Bank holiday aurora show this weekend.
