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Destructoid
Arka Sarkar

How to complete Source of Contamination in ARC Raiders

The Source of Contamination quest will send you on investigative duties in ARC Raiders to find out what's spoiling the water supply to Spearanza.

You begin the quest after obtaining it from Celeste. Structurally, the quest is pretty simple, where you have to search for what's spoiling the water. This guide will help you complete the quest without any extra hassle.

Table of contents

ARC Raiders Source of Contamination quest walkthrough

The Source of Contamination quest can be broken down into the following parts.

  • Reach the Water Treatment Building in The Dam
  • Search for the Flood Spill Intake near the Swamp
  • Investigate any suspicious objects

The first task is to reach the Water Treatment Building. The location is towards the south-central part of the Dam Battlegrounds map. I have marked the spot on the image below to make it easier for you to complete the quest.

Water Treatment Control building in ARC Raiders
Water Treatment Control building in ARC Raiders. Screenshot and Remix by Destructoid

Once you reach the eastern part of the building, you'll notice a ladder going up. Don't take the ladder; instead, turn right and you'll find a pit. The pit is hidden, so go near the ladder to face it. Go down the pit, and there's a barrel in the middle of the water.

Suspected water contaminant
Suspected water contaminant. Screenshot by Destructoid

Go close the barrel to complete investigating the item. Don't worry; while the water is toxic, you won't take any damage. The location also has a bunch of Great Mullein growing in the area that will help you craft medical items. Once the investigation is complete, speak with Celeste when you're back in Speranza to complete the quest.

ARC Raiders Source of Contamination quest rewards

Here's the complete list of items you'll obtain after completing the Source of Contamination quest in ARC Raiders.

  • Five Steel Spring
  • Five Duct Tape
  • One Mod Components

To gain more rewards, you can complete quests like Espresso and Tribute to Toledo.

The post How to complete Source of Contamination in ARC Raiders appeared first on Destructoid.

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