Ruling on the water of a well, which underwent change in its color, taste or smell

Q: We have been in a place with a well for more than four months, but the water is not suitable for drinking and it is colored. We have not been drinking it as it tastes salty. My question is: Is it permissible to use this water for Wudu' (ablution) and Salah (Prayer) or not? We have been using it for Wudu', even though it has an odor sometimes and when it is cold it is white, but we cannot find any substitute? May Allah reward you!

(Part No. 5; Page No. 77)  A: All Praise is due to Allah Alone and peace and blessings be upon His Messenger, his family and Companions. To commence: If the inherent nature of the water in the well remains unchanged, it will be considered to be Tahir (ritually pure) and can be used for Wudu'. It does not matter how long it has been in this place or that it tastes salty.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.