Saltwater Disposal Wells in Starr County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
49
Permitted Capacity
193,150 bbl/d
Injected 12mo (thru 2025-06)
4.2M bbl
UIC Permits All Time
424
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Plugged | FROST -A- SAND UNIT #621 | 42-427-04234 | SUN EXPL. & PROD. CO.-HOUSTON | Injection | 2,000 | -- | 3,423–3,430 |
| Plugged | IZAGUIRRE SWD #1 | 42-427-32827 | MERIT ENGY CO | Disposal | 2,000 | -- | 3,350–3,750 |
| Cancelled | LAUREL, C. #7 | 42-427-31437 | BOUNDARY VENTURES, INC | Injection | 2,000 | -- | 5,490–5,550 |
| Inactive | YTURRIA L & L #2 | 42-427-31945 | TRAP ROCK OIL, LTD | Injection | 2,000 | -- | 4,379–4,850 |
| Plugged | LA BRISA RANCH/STATE 542 #9 | 42-427-32529 | TRAP ROCK OIL, LTD | Injection | 2,000 | -- | 1,400–4,500 |
| Plugged | LA BRISA RANCH / STATE 542 #5 | 42-427-32420 | TRAP ROCK OIL, LTD | Injection | 2,000 | -- | 4,020–4,600 |
| Plugged | MCGILL, J.C. JR. STATE #422 | 42-427-30141 | YOUNGBLOOD, C. S. III | UIC | 2,000 | -- | 5,998–6,028 |
| Plugged | MONTALVO, I. V. -C- #12 | 42-427-00580 | SUN EXPL. & PROD. CO.-HOUSTON | Disposal | 2,000 | -- | 4,320–4,336 |
| Plugged | FRIO E UNIT -B- #33 | 42-427-01566 | CONOCO INC | Injection | 2,000 | -- | 3,800–3,930 |
| Plugged | DAVENPORT, D. - STATE #19 | 42-427-04674 | NABCO | Disposal | 2,000 | -- | 3,912–3,923 |
| Plugged | LA BRISA RANCH/STATE 542 #3 | 42-427-32338 | TRAP ROCK OIL, LTD | Injection | 2,000 | -- | 4,050–4,550 |
| Plugged | HALL, J. F. - STATE #11 | 42-427-01274 | SUN EXPL. & PROD. CO.-HOUSTON | UIC | 2,000 | -- | 4,382–4,386 |
| Plugged | MCGILL, J.C. JR. STATE #284 | 42-427-00245 | HUMBLE OIL & REFINING CO. | UIC | 2,000 | -- | 5,980–5,993 |
| Plugged | HALL, J. F. - STATE #8 | 42-427-01271 | SUN EXPL. & PROD. CO.-HOUSTON | UIC | 2,000 | -- | 4,388–4,397 |
| Cancelled | BARRERA #1 | 42-427-33260 | CORONADO ENGY E&P CO, LLC | Injection | 2,000 | -- | 5,160–5,340 |
| Plugged | MCKINNEY, AMANDA, MRS. #3 | 42-427-00687 | SUN EXPL. & PROD. CO.-MIDLAND | Disposal | 1,500 | -- | 4,195–4,224 |
| Plugged | SPEER, GEORGE H., STATE -B- #20 | 42-427-01002 | SUN EXPL. & PROD. CO.-MIDLAND | UIC | 1,500 | -- | 4,994–5,008 |
| Cancelled | HEARD, J. F. B. #1A | 42-427-32331 | SCORPION OPER, INC | Injection | 1,500 | -- | 3,009–3,808 |
| Plugged | ALVARADO, DANIEL #3 | 42-427-32153 | MERIT ENGY CO | Disposal | 1,500 | -- | 3,715–4,615 |
| Cancelled | SPEER, GEORGE H., STATE -B- #17 | 42-427-80948 | SUN EXPL. & PROD. CO.-MIDLAND | UIC | 1,500 | -- | 4,959–4,964 |
| Plugged | MCGILL, J.C. JR. STATE #232 | 42-427-00274 | YOUNGBLOOD, C. S. III | UIC | 1,500 | -- | 5,999–6,037 |
| Inactive | LANITA #1 | 42-427-34670 | LANITA OIL, LLC | Injection | 1,500 | -- | 2,400–2,850 |
| Plugged | GARZA, A.M.-STATE #11 | 42-427-01301 | SHELL WESTERN E&P INC | Disposal | 1,500 | -- | 2,075–3,050 |
| Inactive | FUERTE VIDA WATERFLOOD UNIT #P 3 | 42-427-34759 | ALPHA OIL & GAS LLC | Injection | 1,500 | -- | 3,400–4,925 |
| Plugged | GARZA, A.M. STATE #7 | 42-427-01297 | SHELL WESTERN E&P INC | Disposal | 1,500 | -- | 2,200–4,794 |
| Plugged | FEE #35D | 42-427-80733 | OSBORN HEIRS CO | Disposal | 1,500 | -- | 3,306–3,358 |
| Plugged | MCGILL, J.C. JR. STATE #262 F | 42-427-00261 | YOUNGBLOOD, C. S. III | UIC | 1,500 | -- | 6,020–6,058 |
| Plugged | MCGILL BROS. #336 | 42-427-04513 | EXXON MOBIL CORP | Injection | 1,500 | -- | 5,240–5,249 |
| Plugged | MCKINNEY, MRS. AMANDA #1WI | 42-427-30364 | SUN EXPL. & PROD. CO.-MIDLAND | UIC | 1,300 | -- | 4,994–5,003 |
| Plugged | VILLARREAL #6 | 42-427-00390 | WAGNER OIL CO | Injection | 1,200 | -- | 6,112–6,127 |
| Plugged | BRANNAN, JOHN -A- #5 | 42-427-00835 | PETROHAWK OPER CO | Disposal | 1,200 | -- | 5,010–5,278 |
| Plugged | ALVARADO, DANIEL UNIT #1 | 42-427-31380 | MERIT ENGY CO | Disposal | 1,200 | -- | 3,800–3,850 |
| Plugged | MONTALVO, I. V. -C- #33UT | 42-427-04665 | SUN EXPL. & PROD. CO.-MIDLAND | UIC | 1,200 | -- | 4,325–4,344 |
| Plugged | SLICK, T. B., EST. #38 | 42-427-04541 | TENNECO OIL CO | Disposal | 1,200 | -- | 2,420–2,464 |
| Plugged | ZAMORA - STATE #1 | 42-427-30443 | GREENBRIER OPER. CO | Disposal | 1,100 | -- | 3,220–3,260 |
| Plugged | MONTALVO, I. V. -A- #6 | 42-427-00606 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,000 | -- | 4,850–4,865 |
| Plugged | M. E. EVANS ET AL UNIT #2SD | 42-427-33236 | BNP PETRO CORP | Injection | 1,000 | -- | 5,740–5,780 |
| Plugged | SUN FIELD WATERFLOOD UNIT NO. 2 #3 F | 42-427-20083 | HUMBLE OIL & REFINING CO. | UIC | 1,000 | -- | 4,883–4,894 |
| Plugged | SLICK, T. B. -B- EST. #143 | 42-427-01616 | CONOCO INC | Injection | 1,000 | -- | 4,174–4,214 |
| Plugged | SUN FIELD WATERFLOOD UNIT NO. 1 #9 | 42-427-04898 | HUMBLE OIL & REFINING CO. | UIC | 1,000 | -- | 4,857–4,887 |
| Plugged | D-1-B SAND UNIT #51 | 42-427-80684 | SUN EXPL. & PROD. CO.-HOUSTON | UIC | 1,000 | -- | 4,721–4,730 |
| Plugged | FEE #6 | 42-427-00904 | OSBORN, W. B. OPERATOR | UIC | 1,000 | -- | 5,190–5,198 |
| Plugged | STATE/SLICK #1 | 42-427-32637 | ESENJAY EXPL, INC | Disposal | 1,000 | -- | 5,103–5,213 |
| Plugged | SPEER, GEO. H. #1 | 42-427-01043 | SUN EXPL. & PROD. CO.-HOUSTON | UIC | 1,000 | -- | 4,966–5,072 |
| Plugged | FEE #11 | 42-427-00909 | OSBORN, W. B. OPERATOR | UIC | 1,000 | -- | 5,174–5,182 |
| Plugged | MCGILL BROS. #182 T | 42-427-00284 | HUMBLE OIL & REFINING CO. | UIC | 1,000 | -- | 6,100–6,109 |
| Plugged | FROST NATIONAL BANK IND. EX. -B- #6LT | 42-427-04219 | SUN EXPL. & PROD. CO.-HOUSTON | UIC | 1,000 | -- | 4,095–4,117 |
| Plugged | FEE #21 | 42-427-00925 | OSBORN HEIRS CO | Injection | 1,000 | -- | 4,970–4,984 |
| Plugged | MARTINEZ -B- #12 | 42-427-01128 | CITIES SERVICE OIL & GAS CORP | Disposal | 1,000 | -- | 2,200–2,291 |
| Plugged | FRIO D-5 UNIT #46 | 42-427-01476 | CONOCO INC | UIC | 1,000 | -- | 3,839–3,868 |
| Cancelled | MILLER C-1 SAND UNIT #703 L | 42-427-00000 | SUN EXPL. & PROD. CO.-HOUSTON | Injection | 1,000 | -- | 4,156–4,162 |
| Plugged | FEE #23 | 42-427-00920 | OSBORN HEIRS CO | Injection | 1,000 | -- | 4,954–4,986 |
| Plugged | FEE #17 | 42-427-00915 | OSBORN HEIRS CO | Injection | 1,000 | -- | 4,938–4,978 |
| Plugged | FRIO D-5 UNIT #39 | 42-427-01584 | CONOCO INC | UIC | 1,000 | -- | 3,847–3,852 |
| Plugged | FEE #16 | 42-427-00914 | OSBORN HEIRS CO | Injection | 1,000 | -- | 4,961–4,981 |
| Plugged | FEE #15 | 42-427-00913 | OSBORN HEIRS CO | Injection | 1,000 | -- | 4,950–4,985 |
| Plugged | FEE #13 | 42-427-00911 | OSBORN HEIRS CO | Injection | 1,000 | -- | 4,955–4,971 |
| Cancelled | GUERRA, M. "A" #19 | 42-427-30069 | SUN EXPL. & PROD. CO.-MIDLAND | UIC | 1,000 | -- | 2,200–2,250 |
| Cancelled | VANNIE COOK TRUST #1 | 42-427-00000 | COASTAL STATES GAS PROD. CO | UIC | 1,000 | -- | 342–360 |
| Cancelled | VANNIE COOK TRUST #2 | 42-427-00000 | COASTAL STATES GAS PROD. CO | UIC | 1,000 | -- | 390–407 |
| Plugged | VILLARREAL #12 | 42-427-00396 | ENGY DEV CORP | Injection | 1,000 | -- | 5,738–5,747 |
| Plugged | VILLARREAL #5 C | 42-427-00389 | ENGY DEV CORP | Injection | 1,000 | -- | 5,771–5,777 |
| Plugged | FRIO D-5 UNIT #36 | 42-427-01716 | CONOCO INC | UIC | 1,000 | -- | 3,805–3,824 |
| Plugged | MONTALVO, I. V. -C- #20 | 42-427-00588 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,000 | -- | 4,803–4,833 |
| Plugged | SAENZ, VICENTE #4 | 42-427-80036 | HUMBLE OIL & REFINING CO. | UIC | 1,000 | -- | 4,925–4,937 |
| Cancelled | MONTALVO, N. R. #2 | 42-427-00000 | HUMBLE OIL & REFINING CO. | UIC | 1,000 | -- | 4,916–4,927 |
| Plugged | SAENZ, M.-STATE #12 | 42-427-01107 | SANCHEZ-O'BRIEN OIL & GAS CORP | Disposal | 1,000 | -- | 4,728–4,738 |
| Plugged | SLICK, T. B. ESTATE #7 | 42-427-03803 | TENNECO OIL CO | Disposal | 1,000 | -- | 1,820–1,895 |
| Plugged | SLICK, T. B. -B- EST. #87 | 42-427-00000 | CONOCO INC | Injection | 1,000 | -- | 3,990–4,004 |
| Plugged | VILLARREAL #3 | 42-427-00949 | OSBORN HEIRS CO | UIC | 1,000 | -- | 5,180–5,204 |
| Plugged | SLICK, T. B. -B- EST. #112 | 42-427-01612 | CONOCO INC | Injection | 1,000 | -- | 4,143–4,156 |
| Inactive | MONTALVO, N. R. #44 | 42-427-05056 | TRIAD O&G, LLC | Injection | 1,000 | -- | 4,490–4,580 |
| Cancelled | MONTALVO, N. R. & E. A. #22 | 42-427-00000 | HUMBLE OIL & REFINING CO. | UIC | 1,000 | -- | 4,948–4,968 |
| Plugged | SLICK, T. B. -B- EST. #97 | 42-427-03553 | CONOCO INC | Injection | 1,000 | -- | 3,970–3,990 |
| Cancelled | MONTALVO, N. R. #17 | 42-427-00000 | HUMBLE OIL & REFINING CO. | UIC | 1,000 | -- | 4,882–4,902 |
| Plugged | GARZA, A.M. #5D | 42-427-01296 | SHELL WESTERN E&P INC | Disposal | 1,000 | -- | 2,011–3,510 |
| Plugged | WOOD, D. G., SR. -A- #4 | 42-427-02994 | POOR BOY OILFIELD SERVICE | Injection | 1,000 | -- | 1,585–1,595 |
| Plugged | SLICK, T. B., ESTATE -E- #25 | 42-427-03573 | CONTINENTAL OIL CO | UIC | 850 | -- | 5,505–5,620 |
| Plugged | SLICK, T. B., ESTATE -E- #27 | 42-427-05075 | CONTINENTAL OIL CO | UIC | 850 | -- | 5,456–5,540 |
| Plugged | FRIO E UNIT -B- #700 | 42-427-04672 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,814–3,834 |
| Cancelled | SLICK, T. B. -B- EST. #62 | 42-427-00000 | CONTINENTAL OIL CO | UIC | 800 | -- | 4,019–4,052 |
| Plugged | SLICK, T. B. -B- EST. #107 | 42-427-01522 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,845–3,870 |
| Cancelled | SLICK, T. B. -B- EST. #69 | 42-427-00000 | CONTINENTAL OIL CO | UIC | 800 | -- | 4,000–4,012 |
| Plugged | SLICK, T. B. -B- EST. #57 | 42-427-01580 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,917–3,936 |
| Plugged | GARZA, D. L. #2 | 42-427-30359 | JILPETCO, INC | Disposal | 800 | -- | 4,160–4,370 |
| Plugged | SLICK, T. B. -B- EST. #59 | 42-427-81499 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,960–3,998 |
| Plugged | SAENZ, M.-STATE #14 | 42-427-01111 | SUN EXPL. & PROD. CO.-MIDLAND | Disposal | 800 | -- | 4,771–4,787 |
| Inactive | DON CAMERON ETAL UNIT #3A | 42-427-31456 | WAGNER OIL CO | Disposal | 800 | -- | 4,440–4,730 |
| Plugged | SAENZ, M.-STATE #20 | 42-427-04529 | SUN EXPL. & PROD. CO.-HOUSTON | Disposal | 800 | -- | 4,770–4,787 |
| Plugged | SAN ROMAN,E (HCLY) WTRFLD UNT #F 6 | 42-427-32154 | EXXON MOBIL CORP | Injection | 800 | -- | 3,740–3,775 |
| Plugged | VILLARREAL #9 | 42-427-00393 | WAGNER OIL CO | Disposal | 800 | -- | 4,268–4,713 |
| Plugged | SAN ROMAN,E (HCLY) WTRFLD UNT #B 58 | 42-427-32025 | YOUNGBLOOD, C. S. III | Injection | 800 | -- | 3,741–3,749 |
| Plugged | SLICK, T. B., ESTATE -A- #17 | 42-427-01541 | CONOCO INC | Disposal | 800 | -- | 4,212–4,228 |
| Plugged | CHAPOTAL LAND CO. -A- #26 | 42-427-32010 | SANCHEZ-O'BRIEN OIL & GAS CORP | Disposal | 800 | -- | 4,174–4,230 |
| Plugged | BLOOMBERG, S. D. #1 | 42-427-03995 | APC OPER PARTNERSHIP | Disposal | 800 | -- | 2,300–2,700 |
| Plugged | SLICK, T. B. -B- EST. #19 | 42-427-01509 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,859–3,888 |
| Plugged | SLICK, T. B. -B- EST. #43 | 42-427-01572 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,805–3,825 |
| Plugged | SLICK, T. B. -B- EST. #7 | 42-427-01499 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,824–3,850 |
| Plugged | SLICK, T. B. -H- EST. #68 | 42-427-01586 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,866–3,875 |
| Plugged | SLICK, T. B. -B- EST. #11 | 42-427-01502 | CONTINENTAL OIL CO | UIC | 800 | -- | 3,872–3,888 |
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.