In the game map of Atomfall, Casterfell Dam is an area you might revisit multiple times. It’s quite simple to walk past the locked Dam Storeroom without noticing it. Similarly, the Dam Storeroom Key, which harmoniously fits into the surroundings and requires a bit of exploration to locate, can be easy to overlook. Although the key isn’t far away, searching for it might feel like looking for a needle in a haystack. However, discovering the Dam Storeroom Key in Atomfall could lead you to a valuable stash of items that you might otherwise overlook while focusing on other tasks.
If you’ve scoured every nook and cranny of Casterfell Dam without success, here’s an extensive guide on uncovering the method to obtain the Dam Storeroom Key in Atomfall.
Dam Storeroom Key Location in Atomfall
Upon arrival at the Casterfell Dam, which lies north of Casterfell Woods, look for a modest structure to your left, known as the Storeroom, at coordinates 20.8E, 90.1N. As you can see in the image provided, the Storeroom boasts two entrance doors that can only be opened with the Dam Storeroom Key, which players must use to gain entry. Since the key is missing from its usual spot, you’ll have to delve deeper into Casterfall Dam to locate it.
As a fan, I’d like to share that you can discover the Dam Storeroom Key within the structure that has a stairway on its right-hand side, which is the Dam itself. Simply navigate beyond the Dam’s electrical barriers and make your way into the building with exterior steps depicted in the illustration.
The Key for the Dam’s Storage Room is situated on a square plaque affixed to the upper-level room’s wall, specifically at position 22.4E, 91.2N on the provided map. The key may be difficult to spot due to its camouflage with the surrounding wall shadows and because the text prompt for this collectible only appears when you are very close to it.
In the course of your adventure in Atomfall’s tale, you might have previously obtained the Dam Storeroom Key if you reached that specific room. If not, there are other valuable items to discover in the same room and on the first floor, such as a secret document named “ Our Highest Priority“, Pistol Ammo, and some Cloth.
Dam Storeroom Loot in Atomfall

After acquiring the Dam Store Room Key, you’re able to re-enter the Storage Room and unlock it to discover a distinctive orange B.A.R.D. box filled with a Training Stimulant as the chief prize, along with potential additional loot like Iodine and SMG Ammo. This combination is particularly valuable. You might also come across further items hidden within the Storage Room.
- Glass Bottles
- Cloth
- Rifle Ammo
Upon exiting the building, you’ll discover a key labeled “Dam Storeroom” that can open the second door leading to the Storage Room as well. As you advance in the game, keep an eye out for additional keys near the Casterfell Dam, such as the one for the B 887126 Control Room.
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2025-04-14 13:29