Is there any way possible to get anything back? Should i go look for my phone?

Okay, so 2 days ago i left my cousins house and my iPhone dropped in the sewer! I didn't know what to do so i left it there cause it was pretty late at night. So as I'm gone, somewhere else… My cousins and I tried calling it… When we did it was still ringing. So when we got back at the sewer we thought we seen it but couldn't get it out. When we tried calling it again, my phone sadly went to straight to the voicemail. I know i should've went upon the situation totally different and tried to get my phone out As soon as possible. Now i have no phone, and i had SO many important things in that phone, sadly I NEVER backed it up… What should i do, I'm hurt as hell its literally like a death to me especially hearing it drop in there. I Know i should've backed it up and atlas use the 5 GB of space to do that even tho it was way more than 5 GB. What should i do guys? Btw can that phone be fixed if found or have any value?

The phone is gone, the stuff on it is gone. Period. All you can do now is get a new phone, and keep backups of anything you consider important at least once a week.

On the off chance that you fish it out of the sewer, and its dry and charges up and boots, the first thing you do is back it up, not test the screen, not getting online, backup the phone. After it's backed up, then and only then test it out to make sure everything is working.