Saltwater Disposal Wells in Howard County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
1,180
Permitted Capacity
6.0M bbl/d
Injected 12mo (thru 2025-06)
488.6M bbl
UIC Permits All Time
3,068
Howard County produced-water market → capacity trends, top holders, permit velocity
Earthquakes in Howard County → seismicity & the disposal link, from TexNet
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Plugged | SETTLES-YATES UNIT #43W | 42-227-81527 | CONOCOPHILLIPS CO | Injection | 1,500 | -- | 1,258–1,321 |
| Plugged | SETTLES-YATES UNIT #33W | 42-227-81519 | CONOCO INC | Injection | 1,500 | -- | 1,324–1,359 |
| Cancelled | ROBERTS, DORA, B. D. & E. #296L | 42-227-35118 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,522–3,000 |
| Inactive | GUITAR TRUST ESTATE #1 | 42-227-33634 | AMERICO ENGY RES, LLC | Injection | 1,500 | -- | 5,664–5,705 |
| Plugged | SETTLES-YATES UNIT #25W | 42-227-00566 | CONOCOPHILLIPS CO | Injection | 1,500 | -- | 1,244–1,330 |
| Plugged | MURRAY C #8W | 42-227-10796 | TEXACO E & P INC | UIC | 1,500 | -- | 2,430–2,840 |
| Cancelled | ROBERTS, DORA -BDE- #4113L | 42-227-35120 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,522–3,000 |
| Cancelled | ROBERTS, DORA, B. D. & E. #294L | 42-227-35117 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,522–3,000 |
| Cancelled | ROBERTS, DORA -BDE- #297U | 42-227-35119 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,000–2,500 |
| Plugged | CHALK, G.O.-E- #26 | 42-227-34434 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 2,010–3,300 |
| Cancelled | ROBERTS, DORA #33U | 42-227-34813 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,000–2,550 |
| Plugged | VINCENT EAST #1 | 42-227-35783 | SHARP IMAGE ENGY, INC | Injection | 1,500 | -- | 5,350–7,363 |
| Plugged | SETTLES-YATES UNIT #19W | 42-227-00647 | CONOCO INC | Injection | 1,500 | -- | 1,294–1,348 |
| Plugged | SETTLES-YATES UNIT #9W | 42-227-81502 | CONOCO INC | Injection | 1,500 | -- | 1,240–1,380 |
| Plugged | SETTLES-YATES UNIT #5W | 42-227-81498 | CONOCO INC | Injection | 1,500 | -- | 1,244–1,346 |
| Cancelled | KLOH #39L | 42-227-34592 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,300–2,600 |
| Cancelled | SOUTHEAST LUTHER/FUSSELMAN/ UNIT #2802HW | 42-227-34125 | TREK RES, INC | Injection | 1,500 | -- | 9,864–9,927 |
| Plugged | SETTLES,W.R. #59W | 42-227-31025 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,110–2,419 |
| Plugged | KLOH -A- #3L | 42-227-04269 | KERR-MCGEE OIL & GAS ONSHORE LLC | Injection | 1,500 | -- | 2,200–2,500 |
| Plugged | KLOH -A- #3U | 42-227-04269 | KERR-MCGEE OIL & GAS ONSHORE LLC | Injection | 1,500 | -- | 2,000–2,200 |
| Plugged | SETTLES,W.R. #26W | 42-227-30758 | EXXON MOBIL CORP | Injection | 1,500 | -- | 2,100–2,500 |
| Plugged | GUITAR CONSOLIDATED #1414 | 42-227-35941 | FOUNDATION ENGY MANAGEMENT LLC | Injection | 1,500 | -- | 5,660–5,750 |
| Plugged | SETTLES, W. R. #34W | 42-227-30939 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,500 |
| Plugged | SETTLES, W. R. #38W | 42-227-30934 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,500 |
| Plugged | SETTLES, W. R. #62W | 42-227-31029 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,500 |
| Plugged | VINCENT "15" #A 2 | 42-227-34517 | SHARP IMAGE ENGY, INC | Injection | 1,500 | -- | 5,944–5,980 |
| Plugged | MCMINN, V.E. #1D | 42-227-03957 | FAIRCHILD PETRO CORP | Disposal | 1,500 | -- | 3,980–4,175 |
| Plugged | SOUTHEAST LUTHER/FUSSELMAN/ UNIT #2604W | 42-227-33349 | WAGNER OIL CO | Injection | 1,500 | -- | 9,818–9,824 |
| Plugged | SOUTHEAST LUTHER/FUSSELMAN/ UNIT #1802 | 42-227-01961 | WALSH & WATTS, INC | Injection | 1,500 | -- | 9,912–9,934 |
| Plugged | SETTLES,W.R. #42W | 42-227-30972 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,500 |
| Plugged | MCDONALD #1W | 42-227-30791 | STEPHENS, AUTRY C | Injection | 1,500 | -- | 2,845–3,120 |
| Cancelled | KLOH #53L | 42-227-35505 | ROVER PETRO OPER, LLC | Injection | 1,500 | -- | 2,300–2,600 |
| Inactive | ROBERTS, DORA -BDE- #265 | 42-227-30564 | BASA RES, INC | Injection | 1,500 | -- | 2,300–2,900 |
| Cancelled | KLOH #58L | 42-227-35507 | ROVER PETRO OPER, LLC | Injection | 1,500 | -- | 2,300–2,600 |
| Plugged | KLOH #55U | 42-227-35506 | CIMAREX ENGY CO. OF COLORADO | Injection | 1,500 | -- | 2,000–2,300 |
| Cancelled | KLOH #10L | 42-227-01891 | ROVER PETRO OPER, LLC | Injection | 1,500 | -- | 2,250–2,600 |
| Plugged | ROBERTS, DORA, B. D. & E. #492W | 42-227-03579 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,500 | -- | 1,300–1,450 |
| Plugged | ROBERTS, DORA, B. D. & E. #486W | 42-227-11019 | KERR-MCGEE OIL & GAS ONSHORE LLC | Injection | 1,500 | -- | 1,350–1,410 |
| Plugged | DENMAN, L. C., -C- #6 | 42-227-00937 | ZZRON INC. | Injection | 1,500 | -- | 2,717–2,815 |
| Plugged | ROBERTS, DORA, B. D. & E. #478W | 42-227-02376 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,500 | -- | 1,300–1,400 |
| Cancelled | ROBERTS, DORA #44U | 42-227-35114 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,000–2,570 |
| Plugged | ROBERTS, DORA, B. D. & E. #477W | 42-227-80604 | KERR-MCGEE OIL & GAS ONSHORE LLC | Injection | 1,500 | -- | 1,300–1,450 |
| Plugged | ROBERTS, DORA, B. D. & E. #476W | 42-227-80603 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,500 | -- | 1,300–1,550 |
| Plugged | ROBERTS, DORA, B. D. & E. #275W | 42-227-03895 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,500 | -- | 1,300–1,450 |
| Plugged | KLOH #41U | 42-227-35292 | ROVER PETRO OPER, LLC | Injection | 1,500 | -- | 2,000–2,300 |
| Plugged | ROBERTS, DORA, B. D. & E. #323W | 42-227-80574 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,500 | -- | 1,300–1,450 |
| Plugged | DENMAN, L. C. -B- #2W | 42-227-03147 | LAKEWOOD OPER, LTD | Injection | 1,500 | -- | 2,506–2,744 |
| Plugged | SETTLES,W.R. #49W | 42-227-31003 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,400 |
| Cancelled | STERLING CATTLE CO #2D | 42-227-81901 | MCFARLAND & SCOBEY, INC | Disposal | 1,500 | -- | 2,500–2,700 |
| Cancelled | KLOH #43U | 42-227-35290 | MERIT ENGY CO | Injection | 1,500 | -- | 2,000–2,300 |
| Cancelled | KLOH #42NN | 42-227-35291 | KERR-MCGEE CORP | Injection | 1,500 | -- | 2,000–2,300 |
| Plugged | KLOH #41L | 42-227-35292 | ROVER PETRO OPER, LLC | Injection | 1,500 | -- | 2,300–2,600 |
| Plugged | SETTLES -A- & -B- #3D | 42-227-10228 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,500 | -- | 1,334–1,380 |
| Plugged | SETTLES, W. R. #36W | 42-227-30940 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,400 |
| Cancelled | KLOH -A- #15L | 42-227-35235 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,300–2,700 |
| Inactive | DENMAN, L. C. -B- #9 | 42-227-34806 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,400–3,000 |
| Cancelled | ROBERTS, DORA -BDE- #255 | 42-227-30429 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,250–2,900 |
| Cancelled | ROBERTS, DORA #45L | 42-227-35115 | SHERIDAN PROD CO, LLC | Injection | 1,500 | -- | 2,400–3,000 |
| Plugged | SETTLES,W.R. #33W | 42-227-30900 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,400 |
| Plugged | SETTLES, W. R. #47W | 42-227-30995 | ENDEAVOR ENGY RES L.P | Injection | 1,500 | -- | 2,100–2,400 |
| Inactive | T. L. & M -C- #9 | 42-227-32430 | NEW HEIGHT ENERGY, LLC | Injection | 1,500 | -- | 2,710–3,000 |
| Cancelled | ROBERTS, DORA -BDE- #264W | 42-227-30667 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,400 | -- | 3,081–3,161 |
| Plugged | ROBERTS, DORA -BDE- #431W | 42-227-04384 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,400 | -- | 2,978–3,100 |
| Cancelled | SETTLES,W.R. #12 | 42-227-00000 | YOUNGBLOOD, C. S. III | UIC | 1,400 | -- | 2,273–2,350 |
| Plugged | ROBERTS, DORA, B. D. & E. #276TW | 42-227-80555 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,400 | -- | 1,763–1,906 |
| Plugged | ROBERTS, DORA, B. D. & E. #277TW | 42-227-04031 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,400 | -- | 2,335–2,605 |
| Plugged | ROBERTS, DORA, B. D. & E. #447 | 42-227-10278 | SHERIDAN PROD CO, LLC | Injection | 1,400 | -- | 1,808–1,948 |
| Plugged | ROBERTS, DORA -BDE- #474W | 42-227-30976 | FDL OPER, LLC | Injection | 1,400 | -- | 2,242–2,752 |
| Plugged | ROBERTS, DORA, B. D. & E. #278L | 42-227-80559 | SHERIDAN PROD CO, LLC | Injection | 1,400 | -- | 2,336–2,646 |
| Plugged | ROBERTS, DORA, B. D. & E. #278U | 42-227-80559 | SHERIDAN PROD CO, LLC | UIC | 1,400 | -- | 2,336–2,646 |
| Plugged | ROBERTS, DORA, B. D. & E. #482 | 42-227-00000 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,400 | -- | 2,343–2,663 |
| Plugged | CHALK, G. O. -C- #27U | 42-227-32689 | CONOCOPHILLIPS CO | Injection | 1,350 | -- | 1,675–2,600 |
| Plugged | CHALK, G. O. -B- #9 | 42-227-30004 | CONOCO INC | Injection | 1,350 | -- | 1,450–2,600 |
| Cancelled | CHALK, G. O. -A- #9U | 42-227-10054 | CONOCO INC | Injection | 1,350 | -- | 1,400–2,600 |
| Inactive | CHALK, G.O.-E- #15 | 42-227-10934 | CITATION OIL & GAS CORP | Injection | 1,350 | -- | 1,700–2,735 |
| Plugged | CHALK, G. O. -C- #20 | 42-227-30326 | CONOCO INC | Injection | 1,350 | -- | 1,680–2,600 |
| Plugged | CHALK, G. O. -B- #10W | 42-227-30094 | CONOCO INC | Injection | 1,350 | -- | 1,450–2,600 |
| Plugged | CHALK, G. O. -E- #9W | 42-227-00504 | CONOCO INC | Injection | 1,350 | -- | 1,650–2,650 |
| Plugged | CHALK, G. O. -C- #22 | 42-227-30842 | CONOCOPHILLIPS CO | Injection | 1,250 | -- | 1,500–2,000 |
| Plugged | CHALK, G. O. -C- #15W | 42-227-10067 | CONOCO INC | Injection | 1,250 | -- | 1,450–2,050 |
| Plugged | CHALK, G. O. -C- #11W | 42-227-10062 | CONOCO INC | Injection | 1,250 | -- | 1,500–2,000 |
| Cancelled | CHALK, G. O. -C- #19 | 42-227-00000 | CONOCO INC | Injection | 1,250 | -- | 1,520–2,000 |
| Plugged | CHALK, G. O. -C- #14 | 42-227-10065 | CONOCO INC | Injection | 1,250 | -- | 1,500–2,000 |
| Plugged | CHALK, G. O. -D- #9 | 42-227-10070 | CONOCO INC | Injection | 1,250 | -- | 1,425–1,900 |
| Plugged | CHALK, G. O. -D- #11W | 42-227-10072 | CONOCO INC | Injection | 1,250 | -- | 1,425–2,000 |
| Plugged | CHALK, G. O. -D- #12W | 42-227-10073 | CONOCO INC | Injection | 1,250 | -- | 1,425–1,900 |
| Plugged | CHALK, G. O. -D- #10 | 42-227-10071 | CONOCO INC | Injection | 1,250 | -- | 1,425–1,900 |
| Plugged | CHALK, G. O. -D- #8 | 42-227-10069 | CONOCO INC | Injection | 1,250 | -- | 1,425–2,650 |
| Plugged | CHALK, G. O. -D- #2 | 42-227-00514 | CONOCO INC | Injection | 1,250 | -- | 1,425–1,900 |
| Plugged | CHALK, G. O. -C- #4W | 42-227-02421 | CONOCO INC | Injection | 1,250 | -- | 1,400–2,000 |
| Cancelled | CHALK, G. O. -E- #27 | 42-227-34262 | CONOCO INC | Injection | 1,250 | -- | 1,425–2,000 |
| Plugged | CHALK, G.O.-E- #14W | 42-227-10078 | CITATION OIL & GAS CORP | Injection | 1,250 | -- | 1,425–1,861 |
| Plugged | CHALK, G. O. -D- #14 | 42-227-10933 | CONOCO INC | Injection | 1,250 | -- | 1,425–1,900 |
| Plugged | CHALK, G. O. -D- #3W | 42-227-00513 | CONOCO INC | Injection | 1,250 | -- | 1,425–1,900 |
| Plugged | CHALK, G. O. -C- #12W | 42-227-10063 | CONOCO INC | Injection | 1,250 | -- | 1,475–2,000 |
| Plugged | CHALK, G. O. -C- #7W | 42-227-00505 | CONOCO INC | Injection | 1,250 | -- | 1,520–2,050 |
| Plugged | COWDEN #2 | 42-227-33019 | CHAPMAN EXPL, INC | Disposal | 1,200 | -- | 4,474–4,506 |
| Plugged | DODGE, G. M. #33W | 42-227-10258 | TEXACO E & P INC | Injection | 1,200 | -- | 2,536–2,883 |
| Plugged | 8611 JV-P LOCKHART #3W | 42-227-30974 | COSTILLA PETRO CORP | Injection | 1,200 | -- | 9,828–9,835 |
| Cancelled | TEXAS LAND & MORTGAGE CO. #12W | 42-227-01096 | SAYERS OPER CO | UIC | 1,200 | -- | 2,670–2,784 |
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.