Explore interactive maps and read about water quality findings across the State of Texas and in your area.
View interactive urbanized area maps for your region to determine which areas are required to comply with MS4 permitting regulations.
Learn more about stormwater pollution and steps you can take to improve water quality in your community.
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About the City of Portland
The City of Portland is located in San Patricio County just north of Corpus Christi and has a current population of approximately 22,000. The City's location on two bays provides excellent fishing, boating, sailing, and swimming opportunities. The City of Portland has created this website to help facilitate the implementation of their stormwater management program (SWMP) in compliance with the TPDES General Permit No. TXR040000.
