Produced water and disposal in Aransas County
Every injection and disposal permit in the county, what each well is permitted to take, what its operator reported, and who is reporting daily. Earthquakes in the area →
Aransas County has 6 active injection and disposal wells, 5 of them permitted for disposal, with 18,500 barrels a day of permitted capacity.
Operators reported 204,887 barrels injected on H-10 filings in the twelve months to June 2025, down 10% on the year before, about 3% of what the permits allow.
Hilcorp Engy Co is the largest injector in the county, with 138,935 barrels reported across 2 active wells.
- 6
- active injection wells, 5 for disposal
- 18.5K
- bbl/d permitted capacity
- 205K
- bbl reported, H-10 year to Jun 2025 -10%
- 3%
- of permitted capacity used
- 29
- UIC permits on file, all time
Reported injection, by month
H-10 FILINGS · TEN YEARS TO JUN 2025
Last 12 months 204,887 · prior 12 227,724(-10%)
Who injects here
Operators with active permits in the county, by reported H-10 volume over the settled year.
| Operator | Reported, bbl | Active wells | Capacity bbl/d |
|---|---|---|---|
| Hilcorp Engy Co | 139K | 2 | 11.5K |
| Wallis Engy, Inc | 39.8K | 2 | 1.5K |
| Lamar Oil & Gas, Inc | 26.2K | 1 | 3.5K |
| Wagner Oil Co | — | 1 | 2K |
Injection permits
29 UIC PERMITS · 6 ACTIVE · PAGE 1 OF 1
Active permits first, by reported volume, then cancelled, plugged, and never-activated permits.
| Well | Operator | Status | Purpose | Reported, bbl | bbl/d permitted | Zone, ft | Permitted |
|---|---|---|---|---|---|---|---|
| St. Charles Co. #3 | Hilcorp Engy Co | Active | Disposal | 109K | 1,500 | 2,055–2,470 | Jan 7, 1999 |
| Spencer-Kent-Crane #3A | Wallis Engy, Inc | Active | Enhanced recovery | 39.8K | 1,500 | 6,969–6,981 | May 6, 2014 |
| St. Charles Co. #33 | Hilcorp Engy Co | Active | Disposal | 30.2K | 10,000 | 2,000–6,300 | Sep 7, 2016 |
| Copano Bay #1WD | Lamar Oil & Gas, Inc | Active | Disposal | 26.2K | 3,500 | 1,300–5,000 | Jan 7, 1999 |
| Tatton, V. H. #2 | Wagner Oil Co | Active | Disposal | — | 2,000 | 4,500–6,000 | Jul 16, 1997 |
| Fulton Beach #5 #5 | Wallis Engy, Inc | Active | Disposal | — | — | 1,980–1,990 | Feb 10, 1986 |
| Rockport Terminals S #1 | Eagle Ford Water and Disposl LLC | Cancelled | Disposal | — | 15,000 | 2,650–6,500 | Mar 24, 2019 |
| S & C #1 | Canterbury, S. L. III | Cancelled | Disposal | — | 10,000 | 2,805–2,950 | Jan 25, 1990 |
| City of Aransas Pass #1SD | Tema Oil and Gas Co | Plugged | Disposal | — | 5,000 | 2,500–3,454 | Sep 24, 1997 |
| Fulton Beach #4 | Wallis Engy, Inc | Plugged | Disposal | — | 4,000 | 4,200–5,100 | May 16, 2007 |
| 9MP SWD #1 | Goldking Onshore Oper, LLC | Cancelled | Enhanced recovery | — | 4,000 | 1,600–5,500 | Jul 2, 2012 |
| Carlock #5 | Aransas Minerals Corporation | Cancelled | Disposal | — | 2,500 | 5,000–6,600 | Nov 8, 1995 |
| Carlock #4 | Brinkerhoff Oil Co | Cancelled | Other | — | 2,500 | 6,540–6,562 | Jul 6, 1970 |
| Fulton Beach /C Sand/ Unit #12 | Hunt, Wm. Herbert, Trust Est | Plugged | Other | — | 1,600 | 7,142–7,163 | Jun 6, 1966 |
| Porterfield -B- #7 | HLS Producing, Inc. | Cancelled | Other | — | 1,500 | 7,160–7,195 | Feb 26, 1968 |
| Porterfield -B- #6 | HLS Producing, Inc. | Cancelled | Other | — | 1,500 | 7,161–7,195 | Nov 15, 1968 |
| State 96 #8 U | Prize Oper Co | Cancelled | Disposal | — | 1,500 | 6,740–6,800 | Apr 20, 1995 |
| State Tract 116 #1ST | Lamar Oil & Gas, Inc | Inactive | Disposal | — | 1,500 | 7,548–7,720 | May 23, 1995 |
| Pearce Plant SWD #1 | Copano FLD Serv/Copano Bay, L.P. | Cancelled | Disposal | — | 1,500 | 1,470–3,000 | Jan 23, 1998 |
| Lor SWD #1 | Live Oak Reserves, Inc | Cancelled | Disposal | — | 1,500 | 1,900–2,200 | Jan 23, 1998 |
| Porterfield #7B | Diamond M. Drilling Co. | Cancelled | Other | — | 1,500 | 7,160 | Feb 26, 1968 |
| St. Charles Co. #2 | Conoco Inc | Cancelled | Disposal | — | 1,000 | 7,590–7,620 | May 9, 1977 |
| St. Charles Co. #52 | Conoco Inc | Cancelled | Disposal | — | 1,000 | 2,360–2,780 | Mar 23, 1970 |
| Annie Mullan Unit #1 | Whiting Oil and Gas Corp | Cancelled | Disposal | — | 1,000 | 2,140–2,190 | Aug 25, 1993 |
| McCampbell, W. G. Jr. #3 | XTO Engy Inc | Plugged | Disposal | — | 400 | 1,450–1,988 | Jul 16, 1970 |
| State Tract 253 #1 | Cockrell Corp | Cancelled | Disposal | — | 10 | 2,146–2,299 | Aug 14, 1979 |
| Aransas County Airport #I 1 | Hunt, Wm. Herbert, Trust Est | Cancelled | Other | — | — | — | — |
| Fulton Beach /C Sand/ Unit #I 1 | Hunt, Wm. Herbert, Trust Est | Plugged | Enhanced recovery | — | — | — | — |
| Bankers Mortgage Co. #6401 | Hunt, Wm. Herbert, Trust Est | Cancelled | Other | — | — | 1,200 | — |
About this data
RRC UIC well master and H-10 injection reports, settled through Jun 2025; TexNet daily injection for the last settled month; disposal permit tags from Petrora's sector classifier.
Developers: this page as JSON is GET /v1/data/water/tx/aransas, documented in the API reference.