Gary S. Swindell & Associates, Dallas, Texas, 214-987-0070
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| County | Formation | Depth | Total solids ppm | Cl ppm |
| UPSHUR | WOODBINE | 3700 | 57356 | 34200 |
| UPSHUR | WOODBINE | 3700 | 61550 | 37150 |
| UPTON | ELLENBURGER | 11725 | 138190 | 84800 |
| UPTON | SAN ANDRES LS | 5120 | 69600 | 36000 |
| UPTON | SANTA ROSA | 125 | 4800 | 1170 |
| UPTON | SANTA ROSA | 683 | 6170 | 2090 |
| UPTON | SANTA ROSA | 1100 | 15000 | 7400 |
| UPTON | SANTA ROSA | 1177 | 10400 | 4330 |
| UPTON | SILURIAN | 11276 | 124333 | 75700 |
| UPTON | SILURIAN | 11315 | 120398 | 73200 |
| UPTON | SILURIAN | 11624 | 122931 | 74200 |
| UPTON | TRINITY GROUP | 150 | 2420 | 202 |
| UPTON | TRINITY GROUP | 160 | 1230 | 108 |
| UPTON | TRINITY GROUP | 170 | 1820 | 165 |
| UPTON | WOLFCAMP | 8750 | 33168 | 16950 |
| UVALDE | EDWARDS LS | 668 | 1660 | 225 |
| VAN ZANDT | NACATOCH | 1246 | 22596 | 12841 |
| VAN ZANDT | NACATOCH | 1250 | 9123 | 5000 |
| VAN ZANDT | TRAVIS PEAK | 8561 | 261970 | 163100 |
| VAN ZANDT | WOODBINE | 2777 | 69254 | 42000 |
| VAN ZANDT | WOODBINE | 2794 | 71919 | 43872 |
| VAN ZANDT | WOODBINE | 2799 | 71518 | 44000 |
| VAN ZANDT | WOODBINE | 2800 | 70843 | 43100 |
| VAN ZANDT | WOODBINE | 2820 | 70515 | 43247 |
| VAN ZANDT | WOODBINE | 2828 | 73467 | 45400 |
| VAN ZANDT | WOODBINE | 2842 | 71767 | 44100 |
| VAN ZANDT | WOODBINE | 2852 | 69962 | 42700 |
| VAN ZANDT | WOODBINE | 2866 | 69372 | 42200 |
| VAN ZANDT | WOODBINE | 2868 | 69082 | 41023 |
| VAN ZANDT | WOODBINE | 2876 | 62585 | 37900 |
| VAN ZANDT | WOODBINE | 2898 | 73831 | 44600 |
| VAN ZANDT | WOODBINE | 2902 | 66708 | 40423 |
| VAN ZANDT | WOODBINE | 2912 | 75001 | 45300 |
| VAN ZANDT | WOODBINE | 2930 | 74784 | 45120 |
| VAN ZANDT | WOODBINE | 2939 | 62719 | 37410 |
| VICTORIA | FRIO | 2150 | 16421 | 7344 |
| VICTORIA | FRIO | 3600 | 18620 | 10150 |
| VICTORIA | FRIO | 6940 | 54373 | 32980 |
| VICTORIA | FRIO | 7547 | 57030 | 34527 |
| VICTORIA | FRIO + MIOCENE | 3500 | 67697 | 45406 |
| VICTORIA | KNOTT 5580 | 5617 | 67108 | 40910 |
| VICTORIA | MIOCENE + FRIO | 3500 | 52721 | 33889 |