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2217 E. Mc.Carty
San Marcos, TX 78666
Electric Services
Phone: (512)393-8300
Email: elecricutilityinfo@sanmarcostx.gov
Water/Wastewater Services
Phone: (512) 393-8010
Email: waterwastewaterinfo@sanmarcostx.gov
630 E. Hopkins St. Building 3
Phone: (512) 393-8383
Email: ElectricUtilityInfo@sanmarcostx.gov
1040 TX Hwy 123
Email: utility_billing@sanmarcostx.gov
91 Old Bastrop Hwy
720 River Road