Saltwater Disposal Wells in Atascosa County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
85
Permitted Capacity
522,435 bbl/d
Injected 12mo (thru 2025-06)
31.9M bbl
UIC Permits All Time
532
Earthquakes in Atascosa County → seismicity & the disposal link, from TexNet
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Plugged | CHARLOTTE WATERFLOOD UNIT NO. 2 #6 | 42-013-02742 | HCM | UIC | 0 | -- | -- |
| Plugged | TROELL, CHAS. T. -B- #1 | 42-013-01092 | RAGARS OIL & GAS CO | Injection | 0 | -- | 1,898–1,998 |
| Plugged | LEAL #5 | 42-013-00899 | LIVINGSTON CO, THE (A) | UIC | 0 | -- | -- |
| Plugged | POWELL, E. L. #2 | 42-013-01829 | MARATHON OIL CO | Injection | 0 | -- | 7,280–7,290 |
| Plugged | SCHWARZ, A. W. #1 | 42-013-01851 | HNG FOSSIL FUELS CO | Injection | 0 | -- | 7,214–7,242 |
| Plugged | BIRDWELL, R. R. #2 | 42-013-01793 | HNG FOSSIL FUELS CO | UIC | 0 | -- | 7,200–7,244 |
| Plugged | FINCH, S.P. #5F | 42-013-02051 | DKD JOINT VENTURE | UIC | 0 | -- | -- |
| Plugged | GALBA UNIT #3W | 42-013-01842 | CAJA PROD CORP | UIC | 0 | -- | -- |
| Plugged | EAST CROWN, EAST /NAVARRO/ UNIT #N 1 | 42-013-01671 | HUNTERS CREEK OIL & GAS | Injection | 0 | -- | -- |
| Plugged | EAST CROWN, EAST /NAVARRO/ UNIT #M 4 | 42-013-01492 | HUNTERS CREEK OIL & GAS | Injection | 0 | -- | -- |
| Cancelled | MIDDLE MCCOWEN #37H | 42-013-34675 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,746–10,924 |
| Plugged | EAST CROWN, EAST /NAVARRO/ UNIT #B 2 | 42-013-01468 | HUNTERS CREEK OIL & GAS | Injection | 0 | -- | -- |
| Cancelled | MIDDLE MCCOWEN #11H | 42-013-34483 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,959–11,118 |
| Cancelled | MIDDLE MCCOWEN #12I | 42-013-34484 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,963–11,077 |
| Plugged | SUTTON SUSSEX E. CROWN FLOOD UNI #25 | 42-013-01523 | COLUMBIA DEV CORP | UIC | 0 | -- | -- |
| Plugged | SUTTON SUSSEX E. CROWN FLOOD UNI #11 | 42-013-01527 | COLUMBIA DEV CORP | UIC | 0 | -- | -- |
| Cancelled | GUAJILLO EAST AC #2H | 42-013-35016 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,400–11,083 |
| Inactive | MCCARTY RANCH B #205H | 42-013-35511 | CRESCENT ENGY OPER, LLC | Injection | 0 | -- | 8,168–8,436 |
| Inactive | MCCARTY RANCH A #204H | 42-013-35510 | CRESCENT ENGY OPER, LLC | Injection | 0 | -- | 8,187–8,433 |
| Plugged | SUTTON SUSSEX E. CROWN FLOOD UNI #10 | 42-013-01624 | COLUMBIA DEV CORP | UIC | 0 | -- | -- |
| Plugged | ST. NATL. BK. OF CORPUS CHRISTI #4 | 42-013-02773 | PESO RESOURCES | UIC | 0 | -- | -- |
| Plugged | ST. NATL. BK. OF CORPUS CHRISTI #1 | 42-013-02770 | FREEMAN, J. L., OPER. | Injection | 0 | -- | -- |
| Plugged | NIXON, B. K. -B- #8 | 42-013-02822 | HCM | UIC | 0 | -- | -- |
| Cancelled | GUAJILLO EAST #4H | 42-013-34980 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,568–11,196 |
| Plugged | NIXON, B. K. -B- #5 | 42-013-02810 | HCM | UIC | 0 | -- | -- |
| Plugged | MCBRIDE, A. K. #30 | 42-013-02769 | HCM | UIC | 0 | -- | -- |
| Plugged | MCBRIDE, A. K. #29 | 42-013-02372 | HCM | UIC | 0 | -- | -- |
| Plugged | MCBRIDE, A. K. #28 | 42-013-02768 | HCM | UIC | 0 | -- | -- |
| Cancelled | GUAJILLO EAST #66H | 42-013-35259 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,731–11,292 |
| Cancelled | GUAJILLO EAST #10H | 42-013-35260 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,622–11,287 |
| Cancelled | GUAJILLO EAST #504I | 42-013-35305 | MARATHON OIL EF LLC | Injection | 0 | -- | 10,489–11,207 |
| Plugged | JOHNSON, W. R. #13 | 42-013-02368 | HCM | UIC | 0 | -- | -- |
page 6 of 6 · 532 wells
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.