How to add Water in Cities Skylines 2 without Water tool or Water source?

Hope you guys find this quick tutorial useful! Cheers!
___________________________________
???????????????????????????? ???????? ???????????????????????????? ????????????????:
✤ ????????????????????????: https://streamlabs.com/skibitthyoutubegamer
✤ ????????????????????????????: https://www.patreon.com/skibitth - You can join my Patreon and get all sorts of Perks like Save Games, Early access and more!
___________________________________
SUBSCRIBE for more: https://goo.gl/8pJv6l

???????????????????????? ???????? ????????:
✶ ????????????????????????????????????: https://www.instagram.com/skibitth.yt/
✶ ????????????????????????????: https://discord.gg/NCHtpzk
✶ ????????????????????????????: https://twitter.com/skibitth
✶ ????????????????????????????????: https://www.facebook.com/Skibitth-YT-189943244752124/
✶ ????????????????????????: https://www.twitch.tv/skibitth
#citiesskylines #citiesskylines2 #citiesskylinesII

Rating the video and leaving a comment is always appreciated!
Cheers!

TIMESTAMPS:
00:00 Intro
00:25 With Rain
02:58 Making a River
04:26 Making a Pond & Lake