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) |
|---|---|---|---|---|---|---|---|
| Active | CHALK, G. O.-G- #20W | 42-227-10670 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 2,053–2,202 |
| Active | SETTLES, W. R. -A- #102W | 42-227-31584 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 2,128–2,542 |
| Active | CHALK, G. O. #12 | 42-227-00503 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 2,060–2,961 |
| Active | OWEN-CHALK #53 | 42-227-34108 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 1,203–2,450 |
| Active | CHALK ESTATE #24W | 42-227-34047 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 1,500–2,968 |
| Active | DOUTHIT-B 1 #19W | 42-227-34141 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 2,050–2,300 |
| Active | ROBERTS, DORA -BDE- #325U | 42-227-31639 | BASA RES, INC | Injection | 2,000 | -- | 2,312–2,684 |
| Active | ROBERTS, DORA -BDE- #4105U | 42-227-34765 | BASA RES, INC | Injection | 2,000 | -- | 2,000–3,000 |
| Active | REED BROTHERS DE #201 | 42-227-34559 | GRAYROCK ENERGY II, LLC | Injection | 2,000 | -- | 1,500–3,300 |
| Active | GUITAR CONSOLIDATED #1313 | 42-227-35819 | APEX RESOURCES LLC | Injection | 2,000 | -- | 5,672–5,688 |
| Active | CHALK, OTIS #23WU | 42-227-35718 | APC OPER PARTNERSHIP | Injection | 2,000 | -- | 2,150–2,700 |
| Active | ROBERTS, DORA -BDE- #287U | 42-227-34768 | BASA RES, INC | Injection | 2,000 | -- | 2,000–3,000 |
| Active | CHALK, G. O. -C- #1BW | 42-227-00987 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 2,200–3,177 |
| Active | CHALK, OTIS #23W | 42-227-35718 | APC OPER PARTNERSHIP | Injection | 2,000 | -- | 2,700–3,400 |
| Active | HOWARD GLASSCOCK EAST UNIT #0410 | 42-227-31544 | APC OPER PARTNERSHIP | Injection | 2,000 | -- | 1,194–2,514 |
| Active | HOWARD GLASSCOCK EAST UNIT #123 | 42-227-33434 | APC OPER PARTNERSHIP | Injection | 2,000 | -- | 1,228–2,526 |
| Active | SETTLES, W. R. -A- #154 | 42-227-34432 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 2,075–2,575 |
| Active | HOWARD GLASSCOCK EAST UNIT #0402 | 42-227-01997 | APC OPER PARTNERSHIP | Injection | 2,000 | -- | 2,600–3,200 |
| Active | ROBERTS, DORA -BDE- #458W | 42-227-30583 | BASA RES, INC | Injection | 1,900 | -- | 2,382–2,760 |
| Active | KLOH #44L | 42-227-35285 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,300–2,600 |
| Active | KLOH #43L | 42-227-35290 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,000–2,600 |
| Active | CHALK, OTIS #24WU | 42-227-35717 | APC OPER PARTNERSHIP | Injection | 1,500 | -- | 2,150–2,700 |
| Active | KLOH #42L | 42-227-35291 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,300–2,600 |
| Active | KLOH #47L | 42-227-35511 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,300–2,600 |
| Active | KLOH #50U | 42-227-35503 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,000–2,300 |
| Active | CHALK, OTIS #20W | 42-227-35716 | APC OPER PARTNERSHIP | Injection | 1,500 | -- | 2,700–3,400 |
| Active | CHALK, G.O.-E- #16A | 42-227-34437 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 2,010–3,300 |
| Active | CHALK, OTIS #20WU | 42-227-35716 | APC OPER PARTNERSHIP | Injection | 1,500 | -- | 2,150–2,700 |
| Active | DOUTHIT-B 1 #11W | 42-227-30266 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 2,181–3,795 |
| Active | SETTLES, W. R. #63YW | 42-227-00585 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 1,226–1,300 |
| Active | STASEY #1 | 42-227-34841 | DEEP BLUE OPER I LLC | Disposal | 1,500 | -- | 3,300–6,000 |
| Active | ROBERTS, DORA -BDE- #4117U | 42-227-35122 | BASA RES, INC | Injection | 1,500 | -- | 2,398–2,620 |
| Active | ROBERTS, DORA #46U | 42-227-35116 | BASA RES, INC | Injection | 1,500 | -- | 2,000–2,540 |
| Active | CHALK, OTIS #24W | 42-227-35717 | APC OPER PARTNERSHIP | Injection | 1,500 | -- | 2,700–3,400 |
| Active | SETTLES -D- #16U | 42-227-35145 | BASA RES, INC | Injection | 1,500 | -- | 2,276–2,517 |
| Active | KLOH #45U | 42-227-35284 | GRAYROCK ENERGY II, LLC | Injection | 1,500 | -- | 2,000–2,340 |
| Active | CHALK, OTIS #25WU | 42-227-35720 | APC OPER PARTNERSHIP | Injection | 1,500 | -- | 2,150–2,700 |
| Active | BELL, A. M. #73W | 42-227-37137 | BCE-MACH III LLC | Injection | 1,500 | -- | 1,750–3,500 |
| Active | SETTLES -D- #16L | 42-227-35145 | BASA RES, INC | Injection | 1,500 | -- | 2,577–2,744 |
| Active | GUITAR CONSOLIDATED #1413 | 42-227-35940 | APEX RESOURCES LLC | Injection | 1,500 | -- | 5,660–5,750 |
| Active | ROBERTS, DORA -BDE- #294W | 42-227-35117 | BASA RES, INC | Injection | 1,500 | -- | 2,000–3,000 |
| Active | SETTLES, W. R. #14C | 42-227-33050 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 1,300–2,582 |
| Active | ROBERTS, DORA -BDE- #462U | 42-227-30701 | BASA RES, INC | Injection | 1,500 | -- | 2,374–2,582 |
| Active | ROBERTS, DORA #43U | 42-227-35113 | BASA RES, INC | Injection | 1,500 | -- | 2,560–3,000 |
| Active | MURRAY B #13W | 42-227-37140 | BCE-MACH III LLC | Injection | 1,500 | -- | 1,750–3,500 |
| Active | DODGE, G. M. #62 W | 42-227-32588 | BCE-MACH III LLC | Injection | 1,500 | -- | 2,400–2,897 |
| Active | GUITAR CONSOLIDATED #1403 | 42-227-35794 | APEX RESOURCES LLC | Injection | 1,500 | -- | 5,685–5,706 |
| Active | ROBERTS, DORA -BDE- #4115U | 42-227-35121 | BASA RES, INC | Injection | 1,500 | -- | 2,000–2,500 |
| Active | SETTLES, W. R. -A- #40YW | 42-227-00641 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 1,291–1,376 |
| Active | CHALK, G. O. -D- #11A | 42-227-34324 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 1,950–3,250 |
| Active | ROBERTS, DORA -BDE- #470W | 42-227-30808 | BASA RES, INC | Injection | 1,400 | -- | 2,472–2,764 |
| Active | DOUTHIT, E. W. DE #105W | 42-227-10109 | GRAYROCK ENERGY II, LLC | Injection | 1,360 | -- | 1,460–2,390 |
| Active | CHALK, G.O.-E- #24 | 42-227-34318 | CITATION OIL & GAS CORP | Injection | 1,350 | -- | 2,270–2,995 |
| Active | CHALK, G. O. -D- #10A | 42-227-34325 | CITATION OIL & GAS CORP | Injection | 1,350 | -- | 1,950–3,250 |
| Active | CHALK, G. O. -C- #2BW | 42-227-00989 | CITATION OIL & GAS CORP | Injection | 1,200 | -- | 1,950–3,346 |
| Active | CLAY, H. R.-B- #11L | 42-227-10789 | LANDMARK IP, LLC | Injection | 1,100 | -- | 1,669–1,862 |
| Active | CLAY, H. R.-B- #8L | 42-227-10675 | LANDMARK IP, LLC | Injection | 1,100 | -- | 2,840–3,180 |
| Active | CLAY, H. R.-B- #8U | 42-227-10675 | LANDMARK IP, LLC | Injection | 1,100 | -- | 2,210–2,500 |
| Active | CLAY, H. R.-B- #10U | 42-227-10759 | LANDMARK IP, LLC | Injection | 1,100 | -- | 1,474–1,590 |
| Active | CLAY, H. R.-B- #11U | 42-227-10789 | LANDMARK IP, LLC | Injection | 1,100 | -- | 1,476–1,606 |
| Active | CLAY, H. R.-B- #10L | 42-227-10759 | LANDMARK IP, LLC | Injection | 1,100 | -- | 2,210–2,490 |
| Active | FOSTER, W. L. #1 #85W | 42-227-33127 | BCE-MACH III LLC | Injection | 1,000 | -- | 2,550–3,000 |
| Active | DOUTHIT A #4 | 42-227-30448 | SOJOURNER DRLG. CORP | Injection | 1,000 | -- | 1,383–1,398 |
| Active | CLAY, H. R.-E- #74 | 42-227-36156 | LANDMARK IP, LLC | Injection | 1,000 | -- | 2,000–2,600 |
| Active | TEXAS LAND&MORTGAGE CO.-A-R/A-A- #111W | 42-227-31982 | BASA RES, INC | Injection | 1,000 | -- | 2,519–2,955 |
| Active | DODGE, G. M. #16W | 42-227-03171 | BCE-MACH III LLC | Injection | 1,000 | -- | 2,400–2,900 |
| Active | SNYDER, B. S. -C- #43W | 42-227-31190 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,630–2,880 |
| Active | TEX. LAND&MORTGAGE CO.-A-R/A-B- #31W | 42-227-31179 | BASA RES, INC | Injection | 1,000 | -- | 2,500–2,900 |
| Active | CLAY #50W | 42-227-35650 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,200–3,300 |
| Active | ROBERTS, DORA #24 | 42-227-00063 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,400–2,900 |
| Active | ROBERTS, DORA #3 | 42-227-00022 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,280–2,492 |
| Active | MURRAY C #9W | 42-227-30406 | BCE-MACH III LLC | Injection | 1,000 | -- | 2,300–2,900 |
| Active | CLAY, H. R.-B- #14 | 42-227-34595 | LANDMARK IP, LLC | Injection | 1,000 | -- | 1,450–3,100 |
| Active | GUITAR TRUST ESTATE -D- #2W | 42-227-02769 | AMERICO ENGY RES, LLC | Injection | 1,000 | -- | 3,183–3,198 |
| Active | SNYDER, B. S. -A- #110W | 42-227-35550 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,546–3,700 |
| Active | SNYDER, B. S. -A- #2878W | 42-227-35542 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,550–3,050 |
| Active | DODGE ESTATE #6W | 42-227-31526 | BASA RES, INC | Injection | 1,000 | -- | 2,400–2,800 |
| Active | ECHOLS, CORA LEE, MRS., -A- #24W | 42-227-31795 | BASA RES, INC | Injection | 1,000 | -- | 2,450–2,800 |
| Active | CLAY #5 | 42-227-02292 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,200–3,205 |
| Active | ROBERTS, DORA #133WL | 42-227-35355 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,400–3,000 |
| Active | ROBERTS, DORA #133WU | 42-227-35355 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,000–2,400 |
| Active | ROBERTS, DORA #23 | 42-227-00062 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,400–2,900 |
| Active | ROBERTS, DORA #130WL | 42-227-35352 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,400–3,000 |
| Active | ROBERTS, DORA #130WU | 42-227-35352 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 2,000–2,496 |
| Active | ECHOLS, CORA LEE, MRS., -B- #8W | 42-227-31775 | BASA RES, INC | Injection | 1,000 | -- | 2,450–2,800 |
| Active | CLAY #4W | 42-227-30061 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,200–3,200 |
| Active | DODGE, GRANVILLE M., EST. #137W | 42-227-30468 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,327–2,844 |
| Active | ECHOLS, CORA LEE, MRS., -A- #19W | 42-227-31800 | BASA RES, INC | Injection | 1,000 | -- | 2,450–2,800 |
| Active | ECHOLS, CORA LEE, MRS., -B- #26W | 42-227-31969 | BASA RES, INC | Injection | 1,000 | -- | 2,517–2,910 |
| Active | ECHOLS, CORA LEE, MRS., -B- #25W | 42-227-31968 | BASA RES, INC | Injection | 1,000 | -- | 2,478–3,021 |
| Active | CLAY, H. R.-E- #27W | 42-227-02160 | LANDMARK IP, LLC | Injection | 1,000 | -- | 2,850–3,000 |
| Active | CLAY, H. R.-E- #34W | 42-227-10100 | LANDMARK IP, LLC | Injection | 1,000 | -- | 2,850–3,000 |
| Active | ECHOLS, CORA LEE, MRS., -B- #29 | 42-227-32275 | BASA RES, INC | Injection | 1,000 | -- | 2,468–3,123 |
| Active | CLAY, H. R.-E- #35W | 42-227-10318 | LANDMARK IP, LLC | Injection | 1,000 | -- | 2,850–3,000 |
| Active | SNYDER, B. S. -A- #10 | 42-227-30862 | GRAYROCK ENERGY II, LLC | Injection | 1,000 | -- | 2,611–3,700 |
| Active | HOWARD GLASSCOCK EAST UNIT #1435L | 42-227-35388 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 1,400–1,650 |
| Active | HOWARD GLASSCOCK EAST UNIT #1435U | 42-227-35388 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 1,200–1,400 |
| Active | HOWARD GLASSCOCK EAST UNIT #1434L | 42-227-35387 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 1,400–1,650 |
| Active | TEX. LAND&MORTGAGE CO.-A-R/A-B- #28W | 42-227-10961 | BASA RES, INC | Injection | 1,000 | -- | 2,500–2,800 |
| Active | HOWARD GLASSCOCK EAST UNIT #1339L | 42-227-35474 | APC OPER PARTNERSHIP | Injection | 1,000 | -- | 1,400–1,650 |
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.