Contact
Talk to the Index.
Questions about your water, corrections, press, or partnerships — everything sent here gets read by a person on the team page.
Reach us directly
Mailing address
5000 Atlantic Dr,
Cheyenne, WY 82001
Cheyenne, WY 82001
Hours
Monday – Friday
9:00 AM – 5:00 PM Mountain Time
Route it right
Found an error?
Use subject “Correction” — fixes are logged and credited in the public corrections log.
Question about your water?
Start with the 2-minute diagnosis quiz — then write with your results attached.
Press & data requests
Our data studies and annual audit are citable with attribution — ask for the dataset.
One honest noteWe can’t provide medical advice or diagnose health conditions. For health concerns about water exposure, please talk to a medical professional.