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 | FOSTER, W. L. -B- #19W | 42-227-34261 | PATRIOT SERVICES, INC | Injection | 1,000 | -- | 2,450–2,920 |
| Cancelled | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #1 | 42-227-03074 | PAN AMERICAN PETROLEUM CORP. | UIC | 1,000 | -- | 2,500–2,900 |
| Plugged | O DANIEL, M. H. -B- #8 | 42-227-20406 | MOBIL OIL CORP | UIC | 1,000 | -- | 2,459–2,776 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #34W | 42-227-31783 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | CLAY, H. R. -A- #7 | 42-227-02216 | CONOCO INC | Injection | 1,000 | -- | 1,805–3,150 |
| Plugged | ROBERTS, DORA #105AW | 42-227-03202 | WESTPORT OIL AND GAS CO, LP | Injection | 1,000 | -- | 1,300–2,800 |
| Plugged | ODANIEL, O. D. #8WI | 42-227-35005 | FOREST OIL PERMIAN CORP | Injection | 1,000 | -- | 2,475–2,800 |
| Plugged | READ, W. R. ETAL -B- SEC. 48 #23W | 42-227-34352 | ROYALTY RES, L.L.C | Injection | 1,000 | -- | 2,650–3,000 |
| Plugged | SETTLES, W. R. #14W | 42-227-10719 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 2,308–2,660 |
| Plugged | CLAY, H. R. #26 | 42-227-10141 | ENDEAVOR ENGY RES L.P | Injection | 1,000 | -- | 2,240–3,250 |
| Cancelled | SETTLES, W. R. #3 | 42-227-03525 | KERR-MCGEE OIL & GAS ONSHORE LLC | Injection | 1,000 | -- | 2,322–2,686 |
| Plugged | CLAY, H. R. #30W | 42-227-31991 | ENDEAVOR ENGY RES L.P | Injection | 1,000 | -- | 2,260–3,275 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #34 | 42-227-32268 | BASA RES, INC | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | CLAY, H. R. #43W | 42-227-33259 | ENDEAVOR ENGY RES L.P | Injection | 1,000 | -- | 2,235–3,190 |
| Plugged | ROBERTS, DORA, B. D. & E. #441W | 42-227-03577 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,000 | -- | 1,386–1,432 |
| Plugged | ROBERTS, DORA, B. D. & E. #418W | 42-227-02374 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,000 | -- | 1,336–1,416 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #25W | 42-227-31778 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Cancelled | T. L. & M. -B- #20WI | 42-227-36382 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Cancelled | T. L. & M. -B- #21WI | 42-227-36383 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Cancelled | T. L. & M. -B- #18WI | 42-227-36380 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #27 | 42-227-32276 | 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 |
| Cancelled | T. L. & M. -B- #19WI | 42-227-36381 | LINN OPER, INC | Injection | 1,000 | -- | 2,654–2,930 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #26W | 42-227-31779 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Cancelled | SETTLES -D- #2S | 42-227-00073 | SANCHEZ-O'BRIEN OIL & GAS CORP | Injection | 1,000 | -- | 2,316–2,760 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #30 | 42-227-31950 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | CHALK, G. O. -B- #11 | 42-227-30269 | CONOCOPHILLIPS CO | Injection | 1,000 | -- | 2,745–2,940 |
| Cancelled | WILSON, W. L. #12 | 42-227-03598 | SUN EXPL. & PROD. CO.-MIDLAND | Injection | 1,000 | -- | 7,442–7,464 |
| Plugged | HIGHWAY UNIT #1 | 42-227-32540 | CROWNQUEST OPER, LLC | Disposal | 1,000 | -- | 3,143–3,626 |
| Plugged | REED -C- #5 | 42-227-10204 | CONOCO INC | UIC | 1,000 | -- | -- |
| Plugged | ROBERTS, DORA -BDE- #417W | 42-227-02372 | SHERIDAN PROD CO, LLC | Injection | 1,000 | -- | 1,345–1,414 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #35W | 42-227-31781 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | SNYDER, B. S. -A- #70 | 42-227-36030 | ROVER PETRO OPER, LLC | Injection | 1,000 | -- | 2,500–3,700 |
| Plugged | DODGE, GRANVILLE M., EST. #118W | 42-227-10230 | ROVER PETRO OPER, LLC | Injection | 1,000 | -- | 2,360–2,776 |
| Plugged | CLAY, H. R. #46W | 42-227-34357 | ENDEAVOR ENGY RES L.P | Injection | 1,000 | -- | 2,200–3,350 |
| Plugged | SCOTT, A.C. #1W | 42-227-30946 | HALL OIL & GAS | Injection | 1,000 | -- | 2,600–2,848 |
| Plugged | WILSON, W. L. #9 | 42-227-03595 | SUN EXPL. & PROD. CO.-MIDLAND | Injection | 1,000 | -- | -- |
| Plugged | SATTERWHITE #2D | 42-227-20354 | CAMBRIAN MANAGEMENT, LTD | Injection | 1,000 | -- | 2,800–3,484 |
| Plugged | DODGE, G. M. #69W | 42-227-33123 | SABINAL ENGY OPER, LLC | Injection | 1,000 | -- | 2,300–2,900 |
| Plugged | DAVIS, J. W. -B- #9W | 42-227-03984 | ARCO OIL & GAS CO.-SILSBEE | Injection | 1,000 | -- | 2,454–2,757 |
| Cancelled | ECHOLS, CORA LEE, MRS., -A- #41 | 42-227-31799 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #73W | 42-227-31851 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | T. L. & M. CO. COOP. INJ. #10W | 42-227-32000 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | T. L. & M. CO. COOP. INJ. #9W | 42-227-32001 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,470–2,955 |
| Plugged | CHALK, MARY #68W | 42-227-33880 | CONOCO INC | Injection | 1,000 | -- | 2,550–3,200 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #71W | 42-227-31751 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | T. L. & M. -A- #4 | 42-227-00231 | SAGA PET. LTD LIABILITY CO OF CO | Injection | 1,000 | -- | 2,582–2,845 |
| Plugged | T. L. & M. CO. COOP. INJ. #8W | 42-227-31997 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,477–2,970 |
| 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 | CHALK, G. O. -E- #10W | 42-227-10074 | CONOCO INC | Injection | 1,000 | -- | 2,070–3,038 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #60W | 42-227-31760 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | T. L. & M. CO. -B- #11 | 42-227-33689 | EXCEL ENGY CO | Injection | 1,000 | -- | 2,600–2,770 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #36W | 42-227-31780 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #59W | 42-227-31829 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #32W | 42-227-31976 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,511–2,950 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #50W | 42-227-31755 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | CLAY, H. R. #62W | 42-227-34374 | ENDEAVOR ENGY RES L.P | Injection | 1,000 | -- | 2,200–3,350 |
| Plugged | HYMAN, SARAH #22W | 42-227-30274 | CONOCO INC | Injection | 1,000 | -- | 7,404–7,478 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #49W | 42-227-31754 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | READ, W. R. ETAL -B- SEC. 48 #22W | 42-227-34351 | PATRIOT SERVICES, INC | Injection | 1,000 | -- | 2,650–3,000 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #29W | 42-227-31782 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | EDWARDS, M. M. #19 | 42-227-81246 | SAGA PET. LTD LIABILITY CO OF CO | Injection | 1,000 | -- | 2,613–2,672 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #21W | 42-227-31798 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #48W | 42-227-31850 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Inactive | BELL, A. M. #38 | 42-227-31465 | BCE-MACH III LLC | Injection | 1,000 | -- | 2,400–2,950 |
| Plugged | FOSTER, W. L. #5 #9W | 42-227-31557 | SABINAL ENGY OPER, LLC | Injection | 1,000 | -- | 2,300–2,900 |
| Cancelled | T. L. & M. CO. -B- #12 | 42-227-33692 | EXCEL ENGY CO | Injection | 1,000 | -- | 2,678–2,770 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #38W | 42-227-31173 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,800 |
| Plugged | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #10W | 42-227-03082 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,800 |
| Plugged | LANE, ROWENA #11D | 42-227-10913 | XERIC OIL & GAS CORP | Injection | 1,000 | -- | 2,350–2,750 |
| Plugged | JONES, PERCY -A- #17W | 42-227-30813 | SOUTHWEST ROYALTIES, INC | Injection | 1,000 | -- | 2,531–2,760 |
| Plugged | DAVIS, J. P. HEIRS -B- #15D | 42-227-10912 | SOUTHWEST ROYALTIES, INC | Injection | 1,000 | -- | 2,446–2,786 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #33 | 42-227-32270 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | READ, W. R. -A- #8W | 42-227-34305 | ROYALTY RES, L.L.C | Injection | 1,000 | -- | 2,575–3,025 |
| Plugged | DAVIS, JOHN W. #10W | 42-227-31807 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | DAVIS, JOHN W. #8W | 42-227-31743 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,400–2,730 |
| Cancelled | CHALK, G. O. -E- #9 | 42-227-00504 | CONOCO INC | Injection | 1,000 | -- | 1,700–3,120 |
| Plugged | DAVIS, JOHN W. #7W | 42-227-31808 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,400–2,800 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #35W | 42-227-32054 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,536–3,162 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #31W | 42-227-31988 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | ECHOLS, CORA LEE, MRS., -A- #20W | 42-227-31802 | CITATION OIL & GAS CORP | 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 | ECHOLS, CORA LEE, MRS., -A- #40W | 42-227-31801 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #18W | 42-227-31820 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | T. L. & M. CO. COOP. INJ. #1W | 42-227-30015 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,500–2,904 |
| Plugged | HOOKS #7W | 42-227-02260 | SOUTHWEST ROYALTIES, INC | Injection | 1,000 | -- | 1,750–1,886 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #9W | 42-227-31776 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| 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 | READ, W. R. ETAL -B- SEC. 48 #21W | 42-227-34291 | ROYALTY RES, L.L.C | Injection | 1,000 | -- | 2,600–3,050 |
| Plugged | MEADOR, J. J. #2D | 42-227-10011 | HIGHPEAK ENGY HOLDINGS, LLC | Disposal | 1,000 | -- | 2,156–4,350 |
| 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 | DAVIS, J. P. HEIRS -B- #10 | 42-227-10362 | SOUTHWEST ROYALTIES, INC | Injection | 1,000 | -- | 2,394–2,799 |
| Plugged | CHALK, OTIS #4W | 42-227-30308 | UNITEX OIL & GAS, L.L.C | Injection | 1,000 | -- | 2,100–3,200 |
| Inactive | CHALK, OWEN #43W | 42-227-33906 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 7,443–7,508 |
| 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 | KLOH #12 | 42-227-02673 | MARATHON OIL CO | Injection | 1,000 | -- | 2,200–2,543 |
| Plugged | ECHOLS, CORA LEE, MRS., -B- #28 | 42-227-32277 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
| Plugged | DENMAN, L. C., -C- #14W | 42-227-20335 | ZZRON INC. | UIC | 1,000 | -- | 2,630–2,940 |
| Plugged | TEX. LAND&MORTGAGE CO.-A-R/A-B- #102W | 42-227-31823 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 2,450–2,800 |
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.