Saltwater Disposal Wells in Willacy County
Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.
Active Wells
33
Permitted Capacity
82,100 bbl/d
Injected 12mo (thru 2025-06)
2.0M bbl
UIC Permits All Time
173
| STATUS | LEASE / WELL | API | OPERATOR | TYPE | PERMITTED BBL/D | INJECTED 12MO | ZONE (FT) |
|---|---|---|---|---|---|---|---|
| Active | WILLAMAR WEST UNIT #135 | 42-489-30130 | CITATION OIL & GAS CORP | Disposal | 6,000 | 458,348 | 2,400–3,870 |
| Active | WILLAMAR EAST UNIT #19 D | 42-489-00329 | CITATION OIL & GAS CORP | Disposal | 5,000 | 321,944 | 3,400–4,600 |
| Active | SAUZ RANCH MULATOS PASTURE #185 | 42-489-30846 | SHOCO PROD LLC | Injection | 6,000 | 315,939 | 5,050–6,030 |
| Active | WILLAMAR WEST UNIT #139 | 42-489-30127 | CITATION OIL & GAS CORP | Disposal | 6,000 | 171,310 | 2,400–3,870 |
| Active | YTURRIA CATTLE COMPANY "C" #1 | 42-489-00637 | TEXAS OIL AND GAS OPER, LLC | Injection | 2,000 | 118,544 | 5,778–5,988 |
| Active | WILLAMAR WEST UNIT #184WI | 42-489-30778 | CITATION OIL & GAS CORP | Injection | 3,000 | 10,316 | 7,650–8,200 |
| Active | YTURRIA #3RR | 42-489-31117 | TEXAS OIL AND GAS OPER, LLC | Disposal | 7,200 | -- | 2,740–2,747 |
| Active | WILLAMAR WEST UNIT #142 | 42-489-30124 | CITATION OIL & GAS CORP | Disposal | 6,000 | -- | 2,400–3,870 |
| Active | WILLAMAR EAST UNIT #20 | 42-489-00339 | CITATION OIL & GAS CORP | Disposal | 5,000 | -- | 3,500–4,565 |
| Active | WILLAMAR WEST UNIT #146WI | 42-489-30724 | CITATION OIL & GAS CORP | Injection | 3,000 | -- | 7,816–8,030 |
| Active | WILLAMAR WEST UNIT #201WI | 42-489-30887 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–8,100 |
| Active | WILLAMAR WEST UNIT #169WI | 42-489-30808 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,100 |
| Active | WILLAMAR WEST UNIT #34 | 42-489-00317 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,800–8,100 |
| Active | WILLAMAR WEST UNIT #175WI | 42-489-30770 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,100 |
| Active | WILLAMAR WEST UNIT #102WI | 42-489-00414 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,850–8,150 |
| Active | WILLAMAR WEST UNIT #162WI | 42-489-30819 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,100 |
| Active | WILLAMAR WEST UNIT #76WI | 42-489-00343 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,750–8,050 |
| Active | YTURRIA, H. #4014 | 42-489-31085 | APOLLO PETRO FUELS LLC | Injection | 2,000 | -- | 5,980–6,880 |
| Active | WILLAMAR WEST UNIT #167WI | 42-489-30772 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,050 |
| Active | WILLAMAR WEST UNIT #22WI | 42-489-00302 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,000 |
| Active | WILLAMAR WEST UNIT #230WI | 42-489-30892 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–8,150 |
| Active | WILLAMAR WEST UNIT #127WI | 42-489-30006 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–7,990 |
| Active | WILLAMAR WEST UNIT #147WI | 42-489-30723 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 7,650–8,150 |
| Active | WILLAMAR WEST UNIT #47 | 42-489-00391 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 8,034–8,075 |
| Active | WILLAMAR WEST UNIT #149WI | 42-489-30721 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 7,650–8,150 |
| Active | WILLAMAR WEST UNIT #119 | 42-489-00348 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 7,998–8,032 |
| Active | WILLAMAR WEST UNIT #86 | 42-489-00376 | CITATION OIL & GAS CORP | Injection | 1,000 | -- | 7,880–7,983 |
| Active | YTURRIA CATTLE CO #F 9 | 42-489-30699 | TEXAS OIL AND GAS OPER, LLC | Injection | 1,000 | -- | 3,000–3,550 |
| Active | THOMAS UNIT #1 | 42-489-31141 | DEWBRE PETRO CORP | Injection | 500 | -- | 8,580–8,960 |
| Active | WILLAMAR WEST UNIT #143 | 42-489-30123 | CITATION OIL & GAS CORP | Injection | 450 | -- | 7,894–7,970 |
| Active | WILLAMAR WEST UNIT #136 | 42-489-30129 | CITATION OIL & GAS CORP | Injection | 450 | -- | 7,854–7,994 |
| Active | WILLAMAR WEST MIOCENE UNIT #M 29 | 42-489-30027 | CITATION OIL & GAS CORP | Injection | 0 | -- | 6,309–6,319 |
| Active | WILLAMAR WEST MIOCENE UNIT #35 | 42-489-30722 | CITATION OIL & GAS CORP | Injection | 0 | -- | 6,284–6,298 |
| Plugged | WILLAMAR WEST UNIT #137 | 42-489-30122 | CITATION OIL & GAS CORP | Disposal | 6,000 | 642,713 | 2,432–3,866 |
| Plugged | RAYMONDVILLE SWD #1 | 42-489-31261 | TRINITY ENVIRONMENTAL SWD,L.L.C | Disposal | 25,000 | -- | 6,100–6,800 |
| Plugged | WILLAMAR WEST UNIT #93 | 42-489-00389 | CITATION OIL & GAS CORP | Disposal | 6,000 | -- | 3,200–3,850 |
| Plugged | WILLAMAR WEST UNIT #211WI | 42-489-30779 | CITATION OIL & GAS CORP | Disposal | 6,000 | -- | 2,572–3,710 |
| Plugged | SAUZ RANCH MULATOS PASTURE #188 | 42-489-30868 | CHESTNUT EXPLOR. AND PROD., INC | Injection | 6,000 | -- | 5,050–6,300 |
| Plugged | WILLIAMAR WEST MIOCENE UNIT #34 | 42-489-30128 | CITATION OIL & GAS CORP | Disposal | 6,000 | -- | 2,400–3,870 |
| Plugged | WILLAMAR WEST UNIT #210 | 42-489-30796 | CITATION OIL & GAS CORP | Disposal | 6,000 | -- | 3,200–4,500 |
| Plugged | WILLAMAR EAST UNIT #18 | 42-489-00328 | CITATION OIL & GAS CORP | Disposal | 3,000 | -- | 3,350–4,350 |
| Plugged | SAUZ RANCH MULATOS PASTURE #70 | 42-489-00218 | YOUNGBLOOD, C. S. III | Disposal | 3,000 | -- | 4,280–4,660 |
| Plugged | WILLAMAR WEST UNIT #229WI | 42-489-30891 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–8,150 |
| Plugged | WILLAMAR WEST UNIT #159WI | 42-489-30775 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,200 |
| Plugged | WILLAMAR WEST UNIT #94 | 42-489-00385 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,750–8,030 |
| Plugged | WILLAMAR WEST UNIT #100 | 42-489-00401 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,800–8,090 |
| Plugged | WILLAMAR WEST UNIT #97 | 42-489-00396 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,900–8,181 |
| Plugged | YTURRIA CATTLE CO #26 | 42-489-30955 | HILCORP ENGY CO | Injection | 2,000 | -- | 3,054–4,344 |
| Plugged | WILLAMAR WEST UNIT #14 | 42-489-00296 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,850–8,150 |
| Plugged | WILLAMAR WEST UNIT #92 | 42-489-00388 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,800–8,080 |
| Plugged | WILLAMAR WEST UNIT #2WS | 42-489-80295 | TEXACO INC | Disposal | 2,000 | -- | 2,588–2,809 |
| Plugged | WILLAMAR WEST UNIT #163 | 42-489-30807 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,100 |
| Plugged | WILLAMAR WEST UNIT #218WI | 42-489-30816 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,200 |
| Plugged | WILLAMAR WEST UNIT #216WI | 42-489-30777 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,200 |
| Cancelled | WILLAMAR WEST UNIT #214 | 42-489-30815 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,150 |
| Plugged | YTURRIA L. & L. CO. -A- NCT-1 #1D | 42-489-00055 | TEXACO INC | Disposal | 2,000 | -- | 3,120–4,400 |
| Plugged | WILLAMAR WEST UNIT #42 | 42-489-00366 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,150 |
| Plugged | WILLAMAR WEST UNIT #205WI | 42-489-30814 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,150 |
| Cancelled | BUCY #7 | 42-489-30811 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,090 |
| Plugged | WILLAMAR WEST UNIT #197WI | 42-489-30826 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,200 |
| Plugged | WILLAMAR WEST UNIT #196WI | 42-489-30822 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,200 |
| Plugged | YTURRIA CATTLE COMPANY #3 | 42-489-00012 | MAYNARD OIL CO | Disposal | 2,000 | -- | 3,080–3,315 |
| Plugged | WILLAMAR WEST UNIT #188WI | 42-489-30776 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,150 |
| Inactive | SAUZ RANCH MULATOS PASTURE #170 | 42-489-30652 | SHOCO PROD LLC | Disposal | 2,000 | -- | 4,780–5,120 |
| Cancelled | WILLAMAR WEST UNIT #211 | 42-489-30779 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,200 |
| Plugged | WILLAMAR WEST UNIT #166WI | 42-489-30810 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,050 |
| Plugged | WILLAMAR WEST UNIT #194 | 42-489-30885 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–8,100 |
| Plugged | WILLAMAR WEST UNIT #85 | 42-489-00364 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–7,990 |
| Cancelled | RAYMOND, LENORA C. #4 | 42-489-30884 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–8,050 |
| Plugged | WILLAMAR WEST UNIT #228WI | 42-489-30890 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–8,150 |
| Plugged | BUCY, G. W. #3 | 42-489-00365 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–7,953 |
| Plugged | WILLAMAR WEST UNIT #24 | 42-489-30070 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–7,993 |
| Plugged | WILLAMAR WEST UNIT #99WI | 42-489-00398 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,830–8,100 |
| Cancelled | LOZANO, ANTONIO #10 | 42-489-30886 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,650–8,100 |
| Plugged | WILLAMAR WEST MIOCENE UNIT #36 | 42-489-00320 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,890–8,190 |
| Plugged | WILLAMAR WEST UNIT #186WI | 42-489-30812 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,200 |
| Plugged | WILLAMAR WEST UNIT #77 | 42-489-00353 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,800–8,080 |
| Plugged | WILLAMAR WEST UNIT #83 | 42-489-00368 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,850–8,150 |
| Plugged | WILLAMAR WEST UNIT #160WI | 42-489-30774 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,150 |
| Plugged | WILLAMAR WEST UNIT #182WI | 42-489-30769 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,100 |
| Plugged | WILLAMAR WEST UNIT #90 | 42-489-00387 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,800–8,100 |
| Plugged | WILLAMAR WEST UNIT #27 | 42-489-00314 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,000 |
| Plugged | WILLAMAR WEST UNIT #30 | 42-489-00318 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,800–8,100 |
| Plugged | WILLAMAR WEST UNIT #26 | 42-489-00301 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,000 |
| Plugged | WILLAMAR WEST UNIT #23 | 42-489-00325 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,750–8,050 |
| Plugged | WILLAMAR WEST UNIT #10 | 42-489-00297 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,850–8,150 |
| Plugged | WILLAMAR WEST UNIT #33 | 42-489-00324 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,790–8,070 |
| Plugged | WILLAMAR WEST UNIT #178 | 42-489-30813 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,100 |
| Plugged | WILLAMAR WEST UNIT #170 | 42-489-30771 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,100 |
| Plugged | WILLAMAR WEST UNIT #164 | 42-489-30773 | CITATION OIL & GAS CORP | Injection | 2,000 | -- | 7,700–8,050 |
| Plugged | WILLAMAR EAST UNIT #1 D | 42-489-00338 | CITATION OIL & GAS CORP | Disposal | 1,710 | -- | 3,420–4,050 |
| Plugged | WILLAMAR WEST UNIT #36 | 42-489-00319 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 8,010–8,033 |
| Plugged | SAUZ RANCH MULATOS PASTURE #78 | 42-489-00202 | CHESTNUT EXPLOR. AND PROD., INC | Disposal | 1,500 | -- | 4,305–4,432 |
| Plugged | SAUZ RANCH MULATOS PASTURE #95 | 42-489-00169 | CIMAREX ENGY CO. OF COLORADO | Injection | 1,500 | -- | 7,722–7,740 |
| Plugged | SAUZ RANCH MULATOS PASTURE #116 | 42-489-00219 | YOUNGBLOOD, C. S. III | Disposal | 1,500 | -- | 4,310–4,432 |
| Plugged | WILLAMAR WEST UNIT #11 | 42-489-00292 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 8,010–8,036 |
| Plugged | WILLAMAR WEST UNIT #52 | 42-489-00416 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 8,062–8,098 |
| Plugged | WILLAMAR WEST UNIT #74 | 42-489-00350 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 8,022–8,058 |
| Plugged | WILLAMAR WEST UNIT #1WS | 42-489-00268 | TEXACO INC | Disposal | 1,500 | -- | 2,522–2,770 |
| Plugged | WILLAMAR WEST UNIT #145WI | 42-489-30725 | CITATION OIL & GAS CORP | Injection | 1,500 | -- | 7,650–8,150 |
page 1 of 2 · 173 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.