Saltwater Disposal Wells in Mcculloch County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
19
Permitted Capacity
10,900 bbl/d
Injected 12mo (thru 2025-06)
624,736 bbl
UIC Permits All Time
59
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Active | SPENCER #3 | 42-307-30907 | FELDERHOFF PROD CO | Injection | 500 | 108,832 | 1,104–1,118 |
| Active | SPENCER #1 | 42-307-30900 | FELDERHOFF PROD CO | Injection | 500 | 90,592 | 1,108–1,126 |
| Active | BYMAN #2 | 42-307-30941 | FELDERHOFF PROD CO | Injection | 500 | 85,728 | 1,102–1,116 |
| Active | BUSH #2 | 42-307-31087 | FELDERHOFF PROD CO | Injection | 1,000 | 76,000 | 1,249–1,310 |
| Active | JACOBY #4 | 42-307-31088 | FELDERHOFF PROD CO | Injection | 1,000 | 74,480 | 1,216–1,256 |
| Active | WHITE ESTATE "B" #3 | 42-307-30980 | FELDERHOFF PROD CO | Injection | 800 | 45,600 | 1,285–1,308 |
| Active | SPECK #4 | 42-307-30825 | FELDERHOFF PROD CO | Injection | 1,000 | 41,040 | 1,216–1,272 |
| Active | SPENCER #7 | 42-307-31102 | FELDERHOFF PROD CO | Injection | 500 | 30,400 | 1,100–1,140 |
| Active | HOLUBEC WEST #4 | 42-307-31066 | FELDERHOFF PROD CO | Injection | 500 | 22,800 | 1,266–1,276 |
| Active | BISHOP - BIEMER #4 | 42-307-30152 | OTEX LLC | UIC | 150 | 17,914 | 973–990 |
| Active | BISHOP - BIEMER #1 | 42-307-30125 | OTEX LLC | Injection | 700 | 7,690 | 984–994 |
| Active | HARGROVES #13 | 42-307-31161 | FELDERHOFF PROD CO | Injection | 500 | 6,080 | 1,148–1,160 |
| Active | HARGROVES #2 | 42-307-30889 | FELDERHOFF PROD CO | Injection | 500 | 6,080 | 1,124–1,136 |
| Active | HARGROVES #8 | 42-307-31101 | FELDERHOFF PROD CO | Injection | 500 | 4,560 | 1,100–1,140 |
| Active | HARGROVES #10 | 42-307-31113 | FELDERHOFF PROD CO | Injection | 500 | 3,040 | 1,136–1,142 |
| Active | APPLETON #6 | 42-307-31180 | FLINT ROCK RES MGMNT, INC | Injection | 250 | 1,980 | 986–1,016 |
| Active | APPLETON #2 | 42-307-31166 | FLINT ROCK RES MGMNT, INC | Injection | 250 | 1,920 | 974–1,014 |
| Active | CARLSON #9 | 42-307-31083 | AETERNUM ENERGY, LLC | Injection | 1,000 | -- | 1,278–1,300 |
| Active | APPLETON #10 | 42-307-31184 | FLINT ROCK RES MGMNT, INC | Injection | 250 | -- | 956–1,042 |
| Plugged | CE FROST #1 | 42-307-30872 | JONCO OPERATING, INC. | Disposal | 1,200 | -- | 1,314–1,410 |
| Plugged | SPECK,JOE #3 | 42-307-31092 | CONCHO OILFIELD SERV & OPER CO | Injection | 1,000 | -- | 1,256–1,284 |
| Inactive | SPECK #5 | 42-307-30843 | FELDERHOFF PROD CO | Injection | 750 | -- | 1,204–1,250 |
| Inactive | SPECK #7 | 42-307-30853 | FELDERHOFF PROD CO | Injection | 750 | -- | 1,182–1,212 |
| Inactive | SPECK #10 | 42-307-31120 | FELDERHOFF PROD CO | Injection | 750 | -- | 1,262–1,340 |
| Plugged | JONES, JOHN G. "817" #6 | 42-307-30389 | R & D OPER, INC | Injection | 400 | -- | 908–912 |
| Plugged | SPECK #3 | 42-307-30885 | CANAN MOWREY OPER, LLC | Injection | 400 | -- | 1,251–1,260 |
| Plugged | JONES, JOHN G. "817" #2 | 42-307-30155 | ELLIS & YOUNG | Injection | 300 | -- | 828–837 |
| Plugged | PRICE #11 | 42-307-30772 | B&B ACEITE, INC | Injection | 300 | -- | 1,775–1,815 |
| Plugged | JONES, JOHN G. "817" #220 | 42-307-30111 | ELLIS & YOUNG | UIC | 200 | -- | 440–448 |
| Plugged | MOORE, PAUL #1 | 42-307-30439 | LILLIS, MICHAEL D | Injection | 200 | -- | 770–790 |
| Plugged | FRYAR, CALVIN #5 | 42-307-30031 | HAZEL, C. B | UIC | 150 | -- | 330 |
| Cancelled | BISHOP - BIEMER #2 | 42-307-30138 | SUBSURFACE PRODUCTION, INC. | Injection | 150 | -- | 997–1,040 |
| Plugged | JONES, JOHN G. #6A | 42-307-30454 | ELLIS & YOUNG | Injection | 100 | -- | 352–358 |
| Plugged | GARDNER #1 | 42-307-30143 | B & B OIL, INC | Injection | 100 | -- | 968–979 |
| Plugged | JONES, JOHN G. #3 | 42-307-30107 | ELLIS & YOUNG | Injection | 100 | -- | 360–364 |
| Plugged | JONES, JOHN G. #7A | 42-307-30452 | ELLIS & YOUNG | Injection | 100 | -- | 361–364 |
| Plugged | JONES, JOHN G. #2 | 42-307-30093 | ELLIS & YOUNG | Injection | 100 | -- | 363–369 |
| Plugged | HODGES, DENNIS #1 | 42-307-30026 | GRANT CO., THE | UIC | 50 | -- | 1,206–1,210 |
| Cancelled | RANDALS ESTATE #5 | 42-307-00000 | GRANT CO., THE | UIC | 50 | -- | 1,330–1,334 |
| Plugged | GASSIOT, T. C. #1 | 42-307-30165 | LILLIS, MICHAEL D | Injection | 45 | -- | 870–880 |
| Plugged | MOORE, PAUL #1 D | 42-307-00000 | HUFO PROD CORP | Disposal | 40 | -- | 775–795 |
| Cancelled | CARLSON #7 | 42-307-30846 | SULLIVAN, HOLLIS R. INC | Injection | 0 | -- | 1,200–1,280 |
| Plugged | JONES JOHN G "A" #7 | 42-307-30187 | ELLIS & YOUNG | Injection | 0 | -- | 818 |
| Plugged | JONES, JOHN E. #320 | 42-307-30158 | ELLIS & YOUNG | Injection | 0 | -- | -- |
| Plugged | GASSIOT, T. C. #2 | 42-307-30407 | LILLIS, MICHAEL D | Injection | 0 | -- | 800 |
| Plugged | WALKER, L. S. #3 | 42-307-30050 | SANTA ANNA ENGY, INC | Injection | 0 | -- | -- |
| Plugged | HARRISON #I 1 | 42-307-30584 | LILLIS, MICHAEL D | Injection | 0 | -- | -- |
| Plugged | JONES, JOHN G. #7 | 42-307-30456 | YOUNG, L. M | UIC | 0 | -- | -- |
| Plugged | MOORE, PAUL #3 | 42-307-30499 | LILLIS, MICHAEL D | Injection | 0 | -- | 780 |
| Plugged | GASSIOT, T. C. #4A | 42-307-30674 | LILLIS, MICHAEL D | Injection | 0 | -- | -- |
| Plugged | JONES, JOHN G. "817" #3 | 42-307-30157 | ELLIS & YOUNG | Injection | 0 | -- | -- |
| Plugged | KOTHMANN #3 | 42-307-30126 | SUMIK DRILLING, INC | Injection | 0 | -- | -- |
| Plugged | JONES, JOHN G. "817" #1 | 42-307-30110 | YOUNG, L. M | Injection | 0 | -- | 842 |
| Plugged | JONES, J. G. ET AL #2 | 42-307-30727 | BAGLEY, ROY | Injection | 0 | -- | 724 |
| Cancelled | HUGHES, J. W. ET AL #4 | 42-307-00000 | ROSOW, ROBT. S. | UIC | 0 | -- | 208–220 |
| Cancelled | HUGHES, J.W. ET AL #3 | 42-307-00000 | ROSOW, ROBT. S. | UIC | 0 | -- | 215–220 |
| Plugged | PRICE #7 | 42-307-30614 | B&B ACEITE, INC | Injection | 0 | -- | 1,806–1,812 |
| Plugged | WHITE ESTATE #6 | 42-307-30848 | GEOSURVEYS, INC | Injection | 0 | -- | 1,180–1,190 |
| Cancelled | CARLSON #2 | 42-307-30839 | SULLIVAN, HOLLIS R. INC | Injection | 0 | -- | 1,175–1,220 |
Source: RRC UIC well master and H-10 injection filings. H-10s are annual filings on staggered anniversaries — injected volumes shown through 2025-06, the newest month with complete reporting; recent months are never estimated.