Gaming: How To Complete Source Of The Contamination In Arc Raiders 2026

Don't forget wellies when wading through contaminated water.

Keep up to date with the most important stories and the best deals, as picked by the PC Gamer team.

Your weekly update on everything you could ever want to know about the games you already love, games we know you're going to love in the near future, and tales from the communities that surround them.

Our special GTA 6 newsletter, with breaking news, insider info, and rumor analysis from the award-winning GTA 6 O'clock experts.

From the creators of Edge: A weekly videogame industry newsletter with analysis from expert writers, guidance from professionals, and insight into what's on the horizon.

Hardware nerds unite, sign up to our free tech newsletter for a weekly digest of the hottest new tech, the latest gadgets on the test bench, and much more.

Sign up to our new Switch 2 newsletter, where we bring you the latest talking points on Nintendo's new console each week, bring you up to date on the news, and recommend what games to play.

Get sneak previews, exclusive competitions and details of special events each month!

When you help Celeste discover the contaminated water in the Water Troubles quest in Arc Raiders, naturally, she asks you to track down the source of the problem. This involves sending you to a hotspot on Dam Battlegrounds, which is what the Source of the Contamination quest is all about.

This isn't a particularly hard quest—you can figure out the location from its thumbnail—but you'll need to interact with a very specific spot, and it can be dangerous to reach, so here's what you need to do.

Source: PC Gamer