2025-11-17T02:51:22-00:00 2024-12-31 741851779 Leal & Carter PC 16011 University Oak San Antonio TX 78249 990 2024-01-01 741684175 Atascosa Water Supply Corporation ATAS 2106223901 PO Box 9 Atascosa TX 78002 James Sullivan President 2106223901 2025-11-17 true Robert Carter P01401767 2106966206 2025-11-17 2024 2025-03-06 01:10:19Z James Sullivan PO Box 9 Atascosa TX 78002 4580297 false X X 1968 TX Provide water supply services to rural South Texas customers 5 5 15 0 0 4548729 4521402 83473 58895 0 4632202 4580297 0 0 1072628 961483 0 0 2850251 2956746 3922879 3918229 709323 662068 11143003 11838784 956303 980416 10186700 10858368 Provide water supply services to rural south texas customers false false 3918229 4521402 Provide water supply services to rural South Texas customers 3918229 false false false false false false false false false true false false false false false true false false false false false false false false false false false false false false false false false false false false false false false false false false false true 1 0 15 true false false false false false false false false false false false false X 5 5 false false false false true true true true true false false true true true false false false false false false X Mistic Filey 2106223901 PO Box 9 Atascosa TX 78002 X James Sullivan President 004.00 X 0 0 0 Frances Ortiz Vice President 004.00 X 0 0 0 Joe Diaz Member 004.00 X 0 0 0 Howard Dalros Treasurer 004.00 X 0 0 0 James Gonzalez Secretary 004.00 X 0 0 0 false false false Water Sales 221000 3768731 3768731 Other Water System Service Income 221000 752671 752671 4521402 58895 58895 4580297 4580297 0 0 0 0 0 0 733741 733741 0 162041 162041 65701 65701 2000 2000 0 32715 32715 0 0 74900 74900 0 214052 214052 0 0 349058 349058 0 0 4900 4900 41181 41181 0 484968 484968 90039 90039 Water System Maintenance Supply Costs 1371903 1371903 Truck Backhoe expense 31207 31207 Chemicals Lab Fees 224744 224744 35079 35079 3918229 3918229 509291 313474 1298820 1267715 390504 421361 107219 71877 6582 7054 18061208 8338765 8792082 9722443 38505 34860 11143003 11838784 149969 133657 806334 846759 956303 980416 X 10186700 10858368 10186700 10858368 11143003 11838784 X 662068 9600 X false true X false false false 569710 569710 237363 95071 142292 17254135 8243694 9010441 9722443 Financial derivatives and other financial products Closely-held equity interests Federal income taxes Other Liabilities - Paycheck Protection Program Loan 4580297 4580297 4580297 3918229 3918229 3918229 Form 990, Part VI, Section B, Line 11A Business Manager reviews and agrees IRS Form 990 to books. Form 990, Part VI, Section C, Line 19 Conflict of Interest policies available to public upon request. Form 990, Part XI, Line 9 Change in equity membership in FY 2024.