Alternative channels
Mail, text, and in-person payment instructions
Pay by text
No current official Port Isabel source reviewed documents text-to-pay enrollment, keyword, or shortcode.
Mail-in address
A dedicated this detail was not publicly posted. The current City website and accessible code identify the municipal water rates but do not expose the current utility mailing/lockbox address.
Counters, drop boxes, and office hours
The City maintains municipal water functions through City Hall and its Finance/Public Works operations, but the current accessible official pages do not provide a confirmed utility counter address, hours, drop-box arrangement, or accepted payment instruments.