freshwater
US /ˈfreʃˌwɑː.t̬ɚ/
UK /ˈfreʃˌwɑː.t̬ɚ/

1.
agua dulce
of or relating to water that is not salty, in particular that found in rivers, lakes, and ponds
:
•
Many species of fish live in freshwater habitats.
Muchas especies de peces viven en hábitats de agua dulce.
•
The lake is a source of clean freshwater for the town.
El lago es una fuente de agua dulce limpia para la ciudad.