Q.We Have Arsenic In Our Water. We Have Tried To Grow A Garden. Any Suggestions
We have put a lot of chicken poop in our garden. We have even tried to grow plants in pots

Certified GKH Gardening Expert
Have you tried a water filter? Here's an article from the CDC that might be helpful: https://www.cdc.gov/healthywater/drinking/private/wells/disease/arsenic.html and here's an article from Gardening Know How:
https://www.gardeningknowhow.com/garden-how-to/watering/testing-water-for-plants.htm
I would suggest contacting your local university extension service for help with this problem. Here's a link for that:
https://www.gardeningknowhow.com/extension-search