What does Call of Water reward?

Call of Water gives Water Totem outright.

Where does Call of Water start?

It was picked up in Loch Modan.

Its level has not been recorded yet; it shows once a player accepts it with the addon running.

Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

World of Warcraft: Forever · quest · new since Classic Era

A quest in World of Warcraft: Forever in Loch Modan. Recorded by 3 players running the addon.

Level, giver, pay and objectives show once a player with the addon accepts the quest.

Item	Given	Item level	Vendor sell
Water Totem	outright	20

What does Call of Water reward?: Call of Water gives Water Totem outright.
Where does Call of Water start?: It was picked up in Loch Modan.
What level is Call of Water?: Its level has not been recorded yet; it shows once a player accepts it with the addon running.
Is Call of Water new in WoW Forever?: Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

Source: what players running the addon saw in the quest windows; the quest text itself stays in the game. Every quest seen · Loch Modan