Saltwater Disposal Wells in Galveston County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
31
Permitted Capacity
155,050 bbl/d
Injected 12mo (thru 2025-06)
1.8M bbl
UIC Permits All Time
185
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Active | TRUST #1 | 42-167-31217 | HILCORP ENGY CO | Disposal | 5,000 | 591,685 | 3,570–5,000 |
| Active | STEWART, MACO -A- 300 #5 | 42-167-01510 | GCOWS OPER LLC | Disposal | 2,400 | 264,250 | 2,800–7,410 |
| Active | STEWART, MACO -A- 300 #2 | 42-167-01507 | GCOWS OPER LLC | Disposal | 700 | 254,885 | 2,400–7,400 |
| Active | RUBEL SWD #1 | 42-167-31357 | HILCORP ENGY CO | Injection | 10,000 | 237,784 | 3,500–6,300 |
| Active | CADE, E. K. #67 | 42-167-00288 | BIG LAKE CORP | Disposal | 1,500 | 154,372 | 6,648–7,285 |
| Active | MOODY ESTATE #2A | 42-167-30989 | SANDPOINT TEXAS LLC | Disposal | 800 | 70,873 | 5,041–6,454 |
| Active | CADE, E. K. #140 | 42-167-31099 | BIG LAKE CORP | Disposal | 1,500 | 51,717 | 6,345–7,820 |
| Active | CAMP WALLACE #2 | 42-167-01984 | HOUSTON OIL PROD ENTERPRISES,INC | Disposal | 1,750 | 51,436 | 4,000–6,900 |
| Active | HALLS BAYOU RANCH #2 | 42-167-30302 | HOME PETRO CORP | Disposal | 1,000 | 36,290 | 1,800–3,050 |
| Active | EVANS UNIT #1 | 42-167-01288 | ELLIOTT OIL CO, L.P | Disposal | 2,500 | 32,480 | 2,300–4,000 |
| Active | THOMPSON TRUSTEE #4W | 42-167-31530 | NORDSTRAND ENGINEERING, INC | Disposal | 4,000 | 17,924 | 2,500–3,800 |
| Active | MCNEILL "A" #6 | 42-167-30783 | SANDPOINT TEXAS LLC | Injection | 1,700 | 5,769 | 2,420–3,000 |
| Active | CADE, E. KER -A- R/A -A- #309 | 42-167-31231 | SANDPOINT TEXAS LLC | Injection | 2,800 | 4,731 | 3,469–3,520 |
| Active | SUNNY ERNST GU 1 #3 | 42-167-31506 | QUIDNET ENGY DEPLOYMENT LLC | Disposal | 4,000 | 1,595 | 2,000–3,000 |
| Active | TRUST UNIT #3 | 42-167-31233 | HILCORP ENGY CO | Injection | 10,000 | -- | 8,892–8,940 |
| Active | HOUSTON FARMS #1A | 42-167-31254 | BLACK WATER ENVIRONMENTAL L.L.C. | Disposal | 10,000 | -- | 2,250–2,900 |
| Active | FRANKS /8900 SAND/ UNIT #2801 | 42-167-01425 | HILCORP ENGY CO | Injection | 10,000 | -- | 8,970–9,070 |
| Active | KROVETZ MINERAL FEE ET AL UNIT #1 | 42-167-31251 | HILCORP ENGY CO | Disposal | 6,000 | -- | 5,900–6,785 |
| Active | TRUST #1D | 42-167-31225 | HILCORP ENGY CO | Disposal | 3,000 | -- | 1,750–2,430 |
| Active | CADE, E. KER -A- R/A -A- #190 | 42-167-00542 | SANDPOINT TEXAS LLC | Injection | 3,000 | -- | 1,350–4,500 |
| Active | FRANKS /8900 SAND/ UNIT #1101 | 42-167-80686 | HILCORP ENGY CO | Disposal | 3,000 | -- | 3,870–4,280 |
| Active | STEWART, MACO #7 #7 | 42-167-01504 | GCOWS OPER LLC | Disposal | 1,200 | -- | 3,350–6,420 |
| Active | SMITH, CHARLOTTE E. R/A -B- #45 | 42-167-30938 | SANDPOINT TEXAS LLC | Disposal | 1,000 | -- | 2,000–4,500 |
| Active | SOUTH GILLOCK UNIT #39 | 42-167-01219 | PROMISE ENGY OPERATIONS, LLC | Injection | 25,000 | -- | 5,950–9,114 |
| Active | SOUTH GILLOCK UNIT #13 | 42-167-01204 | PROMISE ENGY OPERATIONS, LLC | Injection | 25,000 | -- | 5,950–9,018 |
| Active | SOUTH GILLOCK UNIT #28 | 42-167-01850 | PROMISE ENGY OPERATIONS, LLC | Injection | 7,500 | -- | 8,000–9,180 |
| Active | SOUTH GILLOCK UNIT #56 | 42-167-01198 | PROMISE ENGY OPERATIONS, LLC | Disposal | 4,000 | -- | 2,000–7,050 |
| Active | SOUTH GILLOCK UNIT #1D | 42-167-01848 | PROMISE ENGY OPERATIONS, LLC | Disposal | 2,000 | -- | 2,000–6,800 |
| Active | SOUTH GILLOCK UNIT #2D | 42-167-01863 | PROMISE ENGY OPERATIONS, LLC | Disposal | 2,000 | -- | 4,000–6,900 |
| Active | OBRIEN, ERIN, ETAL, UNIT 1 #3 | 42-167-31444 | BIG LAKE CORP | Disposal | 1,500 | -- | 7,302–7,440 |
| Active | STATE - KOHFELDT UNIT #16 | 42-167-00970 | PROMISE ENGY OPERATIONS, LLC | Disposal | 1,200 | -- | 3,700–6,800 |
| Plugged | CADE, E. K. #49 | 42-167-00270 | HOUSTON OIL PROD ENTERPRISES,INC | Disposal | 1,500 | 11,776 | 6,490–7,130 |
| Plugged | OBRIEN, ERIN, ETAL, UNIT 1 #2 | 42-167-01975 | HOUSTON OIL PROD ENTERPRISES,INC | Disposal | 1,500 | 8,686 | 7,394–7,622 |
| Plugged | FRANKS /8900 SAND/ UNIT #1201 | 42-167-01406 | HILCORP ENGY CO | Disposal | 6,000 | -- | 5,470–6,310 |
| Plugged | CADE, E. K. #43 | 42-167-00264 | HOUSTON OIL PROD ENTERPRISES,INC | Disposal | 1,200 | -- | 7,114–7,144 |
| Cancelled | DELEE UNIT #3 | 42-167-00000 | SECONDARY GAS RECOVERY INC | Disposal | 30,000 | -- | 1,950–6,173 |
| Plugged | THOMPSON TRUSTEE #3 | 42-167-31135 | NORDSTRAND ENGINEERING, INC | Disposal | 25,000 | -- | 1,950–6,800 |
| Inactive | SOUTH GILLOCK UNIT #91 | 42-167-30644 | PROMISE ENGY OPERATIONS, LLC | Injection | 25,000 | -- | 9,030–9,095 |
| Plugged | THOMPSON TRUSTEE #2 D | 42-167-30205 | HILCORP ENGY CO | Disposal | 20,000 | -- | 1,450–5,930 |
| Plugged | WEST HASTING UNIT #9401 | 42-167-01254 | MW PETRO CORP | Disposal | 15,000 | -- | 1,850–5,200 |
| Plugged | PRETS #2 | 42-167-31154 | HILCORP ENGY CO | Disposal | 15,000 | -- | 1,950–4,000 |
| Cancelled | WADE #2 | 42-167-31485 | HITCHCOCK SWD CORP | Injection | 15,000 | -- | 1,700–4,470 |
| Plugged | DELEE UNIT #1 | 42-167-31004 | HILCORP ENGY CO | Disposal | 15,000 | -- | 2,550–6,350 |
| Plugged | WEST HASTING UNIT #9405D | 42-167-01284 | MW PETRO CORP | Disposal | 12,000 | -- | 1,800–5,300 |
| Plugged | MILLER SWD #2603 | 42-167-01428 | XTO ENGY INC | Injection | 10,000 | -- | 2,940–6,840 |
| Plugged | HOUSTON OIL & MINERALS CORP. #1D | 42-167-30266 | TENNECO OIL CO-TGCD | Disposal | 10,000 | -- | 4,400–4,750 |
| Inactive | FRANKS /8900 SAND/ UNIT #1602 | 42-167-01413 | HILCORP ENGY CO | Injection | 10,000 | -- | 8,947–8,989 |
| Plugged | HALLS BAYOU RANCH, TR. 4 UNIT #1D | 42-167-31173 | TEPCO RES, INC | Disposal | 10,000 | -- | 2,200–2,513 |
| Plugged | MOODY NATIONAL BANK #1 | 42-167-31207 | HILCORP ENGY CO | Disposal | 10,000 | -- | 5,000–6,650 |
| Plugged | TACQUARD, A. E. #2 | 42-167-02023 | LINDENMUTH & ASSOCIATES, INC | Injection | 10,000 | -- | 12,218–12,290 |
| Plugged | FRANKS /8900 SAND/ UNIT #1901 | 42-167-01424 | HILCORP ENGY CO | Injection | 10,000 | -- | 8,949–8,957 |
| Plugged | HADEN, R. D. #5D | 42-167-00014 | YOUNGBLOOD, C. S. III | Disposal | 10,000 | -- | 2,300–4,300 |
| Plugged | HADEN, R. D. #3D | 42-167-81053 | YOUNGBLOOD, C. S. III | Disposal | 8,835 | -- | 1,800–3,010 |
| Plugged | RICE ESTATE #1 | 42-167-01810 | MAGNUM PRODUCING & OPER CO | Disposal | 8,000 | -- | 2,550–6,300 |
| Plugged | WADE #1 | 42-167-30201 | HITCHCOCK SWD CORP | Disposal | 8,000 | -- | 1,700–2,400 |
| Cancelled | DELEE UNIT #2 | 42-167-00000 | SECONDARY GAS RECOVERY INC | Disposal | 8,000 | -- | 5,140–6,000 |
| Plugged | SAN LEON UNIT SWD #1 | 42-167-31319 | FIELDWOOD ONSHORE LLC | Disposal | 7,500 | -- | 3,990–5,750 |
| Cancelled | SOUTH GILLOCK UNIT #16 | 42-167-01227 | DENBURY ONSHORE, LLC | Injection | 7,500 | -- | 8,200–8,655 |
| Cancelled | SOUTH GILLOCK UNIT #52D | 42-167-01191 | DENBURY ONSHORE, LLC | Disposal | 6,000 | -- | 4,000–6,450 |
| Plugged | H.B.R. STATE ROYALTY UNIT #1D | 42-167-31162 | SUPERIOR OIL CO, THE | Disposal | 6,000 | -- | 2,200–2,500 |
| Inactive | FRANKS /8900 SAND/ UNIT #1401 | 42-167-01405 | HILCORP ENGY CO | Disposal | 6,000 | -- | 5,400–6,500 |
| Plugged | WILKENS/ERNST #101SW | 42-167-31155 | POLARIS ENTERPRISES INC | Disposal | 6,000 | -- | 2,000–4,000 |
| Plugged | SOUTH GILLOCK UNIT #68 | 42-167-01200 | TEXACO INC | Disposal | 6,000 | -- | 2,350–4,400 |
| Plugged | SOUTH GILLOCK UNIT #55 | 42-167-01210 | TEXACO INC | Disposal | 6,000 | -- | 1,800–5,000 |
| Plugged | FRANKS /8900 SAND/ UNIT #1701 | 42-167-01412 | HILCORP ENGY CO | Disposal | 6,000 | -- | 5,400–6,300 |
| Plugged | STATE - KOHFELDT UNIT #17 | 42-167-00972 | TEXACO INC | UIC | 5,200 | -- | 6,730–6,740 |
| Plugged | TACQUARD UNIT #1 R | 42-167-01451 | GASPER RICE RES, LTD | Disposal | 5,000 | -- | 2,030–4,350 |
| Plugged | SMITH, GEORGE E. #35 | 42-167-00834 | BRANDT ENERGY ENVIRONMENTAL, L.P | Disposal | 5,000 | -- | 2,100–2,900 |
| Plugged | STATE TRACT 343 #1D | 42-167-30116 | GALVESTON BAY OPER CO LLC | Disposal | 5,000 | -- | 2,800–2,856 |
| Plugged | EDWARDS, THOS. C. #6 | 42-167-01242 | TEXACO INC | UIC | 5,000 | -- | 5,967–5,987 |
| Cancelled | STATE TRACT 343 #14 | 42-167-30855 | TEKOIL AND GAS GULF COAST, LLC | Injection | 5,000 | -- | 5,360–5,900 |
| Plugged | STEWART, MACO /A/ 390 #1 | 42-167-01501 | DENBURY ONSHORE, LLC | Injection | 5,000 | -- | 8,250–8,532 |
| Plugged | SMITH, GEORGE E. #33A | 42-167-31323 | BRANDT ENERGY ENVIRONMENTAL, L.P | Disposal | 5,000 | -- | 2,400–2,950 |
| Cancelled | SMITH, GEORGE E. B/C #33 | 42-167-00832 | ENGY ENVIRONMENTAL, LLC | Disposal | 5,000 | -- | 2,400–2,950 |
| Plugged | GREEN,S.H. #2SW | 42-167-31144 | HILCORP ENGY CO | Disposal | 5,000 | -- | 2,100–2,500 |
| Plugged | HUDNALL, ZINN & FOREMAN #3 | 42-167-00929 | CAVERN CONSULTANTS, INC. | Disposal | 5,000 | -- | 2,000–3,500 |
| Plugged | ZINN & FORMAN #5 | 42-167-00930 | VAST OIL TX OPERATING LLC | Disposal | 5,000 | -- | 2,900–3,318 |
| Cancelled | BAYOU DEVELOPMENT B #1 | 42-167-01031 | FOURTH FLOOR OPERATING LLC | Disposal | 5,000 | -- | 3,300–6,700 |
| Inactive | BAYOU DEVELOPMENT B #7 | 42-167-01036 | COLUMBUS ENGY, LLC | Disposal | 5,000 | -- | 3,300–6,700 |
| Plugged | PABST-WILKENS #B 1SW | 42-167-01442 | HOME PETRO CORP | Disposal | 4,000 | -- | 1,800–2,850 |
| Plugged | GREYHOUND TRUST UNIT #1 S | 42-167-31226 | HILCORP ENGY CO | Disposal | 4,000 | -- | 2,600–3,500 |
| Plugged | HUFF "A" UNIT #1D | 42-167-30853 | DUNE OPER CO | Disposal | 4,000 | -- | 1,700–3,800 |
| Plugged | SAN LEON FACILITY SWD #1 #1 D | 42-167-30635 | ENGY RESERVES GROUP, L.L.C | Disposal | 4,000 | -- | 1,945–4,000 |
| Plugged | FRANKS /8900 SAND/ UNIT #2 D | 42-167-81042 | HUNT, HASSIE EXPL CO | Disposal | 4,000 | -- | 4,230–4,255 |
| Cancelled | BRUCE #3 | 42-167-31169 | GASPER RICE RES, LTD | Disposal | 3,500 | -- | 2,529–4,400 |
| Plugged | ALGOA OIL UNIT IV #1 | 42-167-20122 | BERTMAN DRILLING&PRODUCING CORP | Disposal | 3,500 | -- | 5,800–6,105 |
| Plugged | FRANKS /8900 SAND/ UNIT #2003 | 42-167-01427 | HILCORP ENGY CO | Disposal | 3,500 | -- | 3,980–4,150 |
| Plugged | STEWART, MACO "A" #13 | 42-167-01649 | SMITH ENGY 1986A PARTNERSHIP | Injection | 3,000 | -- | 8,603–8,628 |
| Cancelled | STEWART, MACO #10 | 42-167-31127 | PROGENIES OPER LLC | Disposal | 3,000 | -- | 5,225–6,035 |
| Plugged | COOPER -A- UNIT #1 | 42-167-01291 | HOUSTON PETRO CO | Disposal | 3,000 | -- | 2,320–3,885 |
| Plugged | NELSON, W. M. #1D | 42-167-01434 | HUNT, HASSIE EXPL CO | Disposal | 3,000 | -- | 1,561–1,567 |
| Plugged | ALLEN UNIT 1 #1D | 42-167-20166 | BALGOA, INC | Disposal | 3,000 | -- | 2,260–2,800 |
| Plugged | FRANKS /8900 SAND/ UNIT #1801 | 42-167-00000 | FREEPORT-MCMORAN OIL & GAS CO | UIC | 2,650 | -- | 8,951–9,084 |
| Plugged | CADE, E. K. #60 | 42-167-00281 | HOUSTON OIL PROD ENTERPRISES,INC | Injection | 2,500 | -- | 7,386–7,585 |
| Plugged | ORCHARD OIL UNIT #1 O/A #1 | 42-167-01301 | CHOICE EXPL, INC | Injection | 2,500 | -- | 8,870–8,960 |
| Plugged | CRYSTAL BEACH SWD #1 | 42-167-30338 | IMPACT MIDSTREAM, LLC | Disposal | 2,500 | -- | 5,850–6,040 |
| Cancelled | STATE TRACT 343 #16 | 42-167-31047 | GALVESTON BAY ENGY, LLC | Disposal | 2,500 | -- | 5,350–5,524 |
| Plugged | SOUTH GILLOCK UNIT #66 | 42-167-01195 | TEXACO INC | Disposal | 2,500 | -- | 1,990–3,100 |
| Plugged | STEWART, MACO "A" #12 | 42-167-01648 | DENBURY ONSHORE, LLC | Injection | 2,200 | -- | 8,475–8,510 |
| Plugged | THE SUPERIOR OIL CO. FEE #5 | 42-167-00976 | EXPRO ENGINEERING, INC | Disposal | 2,000 | -- | 2,000–6,000 |
page 1 of 2 · 185 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.