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 | DOUTHIT, E. W., -C- DE #12 | 42-227-34067 | MERIT ENGY CO | Injection | 1,200 | -- | 1,402–3,090 |
| Cancelled | TEXAS LAND & MORTGAGE CO. #13W | 42-227-01097 | SAYERS OPER CO | Injection | 1,200 | -- | 2,737–2,799 |
| Cancelled | TEXAS LAND & MORTGAGE CO. #12W | 42-227-01096 | SAYERS OPER CO | UIC | 1,200 | -- | 2,670–2,784 |
| Cancelled | TEXAS LAND & MORTGAGE CO. #11W | 42-227-01095 | SAYERS OPER CO | Injection | 1,200 | -- | 2,586–2,746 |
| Plugged | DENTON #3WD | 42-227-34422 | JAY MANAGEMENT CO, LLC | Disposal | 1,200 | -- | 3,300–4,000 |
| Plugged | 8611 JV-P LOCKHART #3W | 42-227-30974 | COSTILLA PETRO CORP | Injection | 1,200 | -- | 9,828–9,835 |
| Cancelled | FOSTER, W. L. 1 #40 | 42-227-31572 | STANDARD OIL COMPANY OF TEXAS | UIC | 1,200 | -- | 1,850–2,350 |
| Plugged | COWDEN #2 | 42-227-33019 | CHAPMAN EXPL, INC | Disposal | 1,200 | -- | 4,474–4,506 |
| Plugged | GLASSCOCK, HOWARD W. (G-S) UNIT #143W | 42-227-30454 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,150 | -- | 2,265–2,346 |
| Plugged | GLASSCOCK, HOWARD W. (G-S) UNIT #127W | 42-227-03520 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,150 | -- | 2,190–2,424 |
| Plugged | CLAY, H. R.-B- #7 L | 42-227-10539 | BREITBURN OPER L.P | Injection | 1,100 | -- | 1,650–3,190 |
| Cancelled | CLAY, H. R. -B- #7 U | 42-227-00000 | WESTPORT OIL AND GAS CO INC | Injection | 1,100 | -- | 1,650–3,190 |
| Cancelled | DAVIS, J. P. HEIRS -B- #5 | 42-227-01616 | SOUTHWEST ROYALTIES, INC | Injection | 1,100 | -- | 2,352–2,745 |
| Plugged | CHALK, G. O. -C- #13W | 42-227-10064 | CONOCO INC | Injection | 1,100 | -- | 1,540–2,690 |
| Plugged | DENMAN, L. C. -B- #15 | 42-227-34213 | SCOUT ENGY MANAGEMENT LLC | Injection | 1,100 | -- | 2,620–2,974 |
| Plugged | DENMAN, L. C. -B- #17 | 42-227-34215 | SCOUT ENGY MANAGEMENT LLC | Injection | 1,100 | -- | 2,554–2,962 |
| Plugged | HOWARD GLASSCOCK EAST UNIT #1338U | 42-227-35475 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 1,200–1,400 |
| Plugged | HOOKS #7W | 42-227-02260 | SOUTHWEST ROYALTIES, INC | Injection | 1,000 | -- | 1,750–1,886 |
| Plugged | SATTERWHITE #2D | 42-227-20354 | CAMBRIAN MANAGEMENT, LTD | Injection | 1,000 | -- | 2,800–3,484 |
| Plugged | HOWARD GLASSCOCK EAST UNIT #1338L | 42-227-35475 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 1,400–1,650 |
| Plugged | CHALK, OTIS #4W | 42-227-30308 | UNITEX OIL & GAS, L.L.C | Injection | 1,000 | -- | 2,100–3,200 |
| Cancelled | ROBERTS, DORA, -A- #26U | 42-227-35283 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 2,000–2,300 |
| Cancelled | ROBERTS, DORA, -A- #25L | 42-227-35286 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 2,520–3,000 |
| Plugged | ROBERTS, DORA #6 | 42-227-00025 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,400–2,900 |
| Plugged | CLAY, H. R. -A- #12D | 42-227-00738 | WASH, ROBERT C. INC | Injection | 1,000 | -- | 1,766–1,845 |
| Plugged | ROBERTS, DORA, -A- #22L | 42-227-33719 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 2,300–3,000 |
| Plugged | MURRAY #7W | 42-227-30670 | TEXACO E & P INC | Injection | 1,000 | -- | 2,300–2,900 |
| Plugged | ROBERTS, DORA, -A- #22U | 42-227-33719 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 2,000–2,300 |
| Plugged | CLAY, H. R. -A- #7 | 42-227-02216 | CONOCO INC | Injection | 1,000 | -- | 1,805–3,150 |
| Plugged | SETTLES, W. R. -A- #2D | 42-227-02226 | CONOCO INC | UIC | 1,000 | -- | 2,940–3,017 |
| Plugged | MYERS #3 | 42-227-32393 | DIAMONDBACK E&P LLC | Disposal | 1,000 | -- | 3,300–6,050 |
| Cancelled | ROBERTS, DORA, -A- #24L | 42-227-35282 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 2,300–3,000 |
| Plugged | FOSTER, W. L. #1 #56W | 42-227-31924 | ENERGEN RES CORP | Injection | 1,000 | -- | 2,400–2,900 |
| Plugged | SETTLES -B- #6W | 42-227-32813 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,000 | -- | 2,298–2,670 |
| Cancelled | EASON OIL CO. #4 | 42-227-00694 | MARATHON OIL CO | Injection | 1,000 | -- | 2,425–3,300 |
| Cancelled | ROBERTS, DORA, B. D. & E. #454U | 42-227-30547 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 2,348–2,900 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #33W | 42-227-31804 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | O DANIEL, M. H. -B- #8 | 42-227-20406 | MOBIL OIL CORP | UIC | 1,000 | -- | 2,459–2,776 |
| Plugged | WALDRON, SHIRLEY ET AL -Q- #18 | 42-227-31979 | TREY EXPL, INC | Disposal | 1,000 | -- | 3,182–3,223 |
| Plugged | DAVIS, J. P. HEIRS -B- #10 | 42-227-10362 | SOUTHWEST ROYALTIES, INC | Injection | 1,000 | -- | 2,394–2,799 |
| Plugged | CHALK -A- #7W | 42-227-30204 | CIMAREX ENGY CO. OF COLORADO | Injection | 1,000 | -- | 2,200–3,144 |
| Plugged | T. L. & M. CO. -B- #11 | 42-227-33689 | EXCEL ENGY CO | Injection | 1,000 | -- | 2,600–2,770 |
| Plugged | WILSON, W. L. #9 | 42-227-03595 | SUN EXPL. & PROD. CO.-MIDLAND | Injection | 1,000 | -- | -- |
| Plugged | DODGE, G. M. #10 | 42-227-03165 | ENERGEN RES CORP | Injection | 1,000 | -- | 2,400–2,808 |
| Inactive | DENMAN, L. C. -B- #8 | 42-227-30803 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,400–2,900 |
| Plugged | DODGE, G. M. #23W | 42-227-03178 | SABINAL ENGY OPER, LLC | Injection | 1,000 | -- | 2,400–2,900 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #13W | 42-227-03085 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,800 |
| Plugged | SOUTHEAST LUTHER/FUSSELMAN/ UNIT #2202 | 42-227-01966 | WAGNER OIL CO | Injection | 1,000 | -- | 9,882–9,893 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #27 | 42-227-32276 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #30 | 42-227-31950 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | DODGE, GRANVILLE M., EST. #118W | 42-227-10230 | ROVER PETRO OPER, LLC | Injection | 1,000 | -- | 2,360–2,776 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #28 | 42-227-32277 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | DAVIS, J. W. -B- #9W | 42-227-03984 | ARCO OIL & GAS CO.-SILSBEE | Injection | 1,000 | -- | 2,454–2,757 |
| Plugged | T. L. & M. CO. COOP. INJ. #10W | 42-227-32000 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Cancelled | CHALK -A- #14 | 42-227-10952 | GRUY PETRO MANAGEMENT CO | Injection | 1,000 | -- | 2,850–3,250 |
| Plugged | T. L. & M. CO. COOP. INJ. #9W | 42-227-32001 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,470–2,955 |
| Plugged | T. L. & M. CO. COOP. INJ. #8W | 42-227-31997 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,477–2,970 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #33 | 42-227-32270 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #34 | 42-227-32268 | BASA RES, INC | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | T. L. & M. CO. COOP. INJ. #3W | 42-227-30017 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,900 |
| Plugged | T. L. & M. CO. COOP. INJ. #1W | 42-227-30015 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,904 |
| Inactive | MURRAY A #4 | 42-227-01614 | BCE-MACH III LLC | Injection | 1,000 | -- | 2,300–2,856 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #106W | 42-227-31830 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #105W | 42-227-31828 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #104W | 42-227-31825 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #103W | 42-227-31824 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | SETTLES, W. R. -A- #32W | 42-227-00645 | CONOCO INC | Injection | 1,000 | -- | 2,190–2,580 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #102W | 42-227-31823 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #101W | 42-227-31822 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #77W | 42-227-31767 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #70W | 42-227-31831 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #68W | 42-227-31753 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #67W | 42-227-31764 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | ODANIEL, O. D. #8WI | 42-227-35005 | FOREST OIL PERMIAN CORP | Injection | 1,000 | -- | 2,475–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #58W | 42-227-31765 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #57W | 42-227-31766 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Inactive | FOSTER, W. L. #1 #62 | 42-227-32101 | BCE-MACH III LLC | Injection | 1,000 | -- | 2,400–2,966 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #47W | 42-227-31827 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #46W | 42-227-31826 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #45W | 42-227-31763 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | JONES, PERCY #9W | 42-227-10838 | BAYLOR OPER, LLC | Injection | 1,000 | -- | 2,621–2,814 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #36W | 42-227-31183 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,900 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #39W | 42-227-31174 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,900 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #35W | 42-227-31175 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,900 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #34W | 42-227-31176 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,900 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #30W | 42-227-11000 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,900 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #19W | 42-227-03265 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,800 |
| Cancelled | T. L. & M. -B- #20WI | 42-227-36382 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #84W | 42-227-31853 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #83W | 42-227-31756 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Cancelled | T. L. & M. -B- #21WI | 42-227-36383 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #80W | 42-227-31852 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #79W | 42-227-31758 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #78W | 42-227-31759 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | O DANIEL #5 | 42-227-10880 | COLORADO OIL CO. | UIC | 1,000 | -- | 2,587–2,688 |
| Plugged | FOSTER, W. L. #1 #59 | 42-227-32128 | ENERGEN RES CORP | Injection | 1,000 | -- | 2,400–2,948 |
| Plugged | CHALK, G. O. -E- #10W | 42-227-10074 | CONOCO INC | Injection | 1,000 | -- | 2,070–3,038 |
| Cancelled | T. L. & M. -B- #18WI | 42-227-36380 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Cancelled | T. L. & M. -B- #19WI | 42-227-36381 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Plugged | CHALK, G. O. -B- #11 | 42-227-30269 | CONOCOPHILLIPS CO | Injection | 1,000 | -- | 2,745–2,940 |
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.