Residents of Harlingen will experience a change in their water bills soon. A rate increase is scheduled to take effect on October 1, 2026. This change was adopted by the city of Harlingen in 2024 as part of a proposed rate increase.

The city had delayed implementing additional increases to provide relief. The Harlingen Waterworks System has announced that the increase will now move forward. Further details about the rate increase can be found through the Harlingen Waterworks System or the city's news release.