Saltwater Disposal Wells in Ector County

Complete UIC injection & disposal well inventory from RRC permits, with reported H-10 volumes.

Active Wells

3,022

Permitted Capacity

8.9M bbl/d

Injected 12mo (thru 2025-06)

262.1M bbl

UIC Permits All Time

6,516

Ector County produced-water market → capacity trends, top holders, permit velocity
STATUSLEASE / WELLAPIOPERATORTYPEPERMITTED BBL/DINJECTED 12MOZONE (FT)
CancelledHARPER DEVONIAN UNIT #70942-135-20326OXY USA WTP LPInjection0--9,917–10,055
CancelledHARPER DEVONIAN UNIT #70842-135-20325OXY USA WTP LPInjection0--9,912–10,299
PluggedMOSS UNIT #1710W42-135-20913UNION OIL CO OF CALIFORNIAUIC0----
PluggedMOSS UNIT #1607W42-135-30181UNION OIL CO OF CALIFORNIAUIC0----
PluggedMOSS UNIT #1414W42-135-11044UNION OIL CO OF CALIFORNIAUIC0----
PluggedEAST PENWELL /SAN ANDRES/ UNIT #2409W42-135-30364FINA OIL & CHEMICAL COInjection0----
PluggedMOSS UNIT #1409W42-135-01935UNION OIL CO OF CALIFORNIAUIC0----
PluggedNORTH COWDEN UNIT #428W42-135-07563TEXACO INCInjection0----
PluggedCUMMINS -W- #6W42-135-20395OXY USA INCUIC0----
PluggedMOSS UNIT #1305W42-135-11042UNION OIL CO OF CALIFORNIAUIC0----
PluggedMOSS UNIT #1304W42-135-01932UNION OIL CO OF CALIFORNIAUIC0----
PluggedTXL SOUTH UNIT #3802W42-135-08189TEXACO PRODUCING INCUIC0----
CancelledTXL DEVONIAN UNIT #40942-135-00000SHELL WESTERN E&P INCUIC0--7,910–8,045
PluggedADDIS, FRANK V. "E" #142-135-07616AGHORN OPER, INCInjection0--4,136–4,202
PluggedJORDAN /SAN ANDRES/ UNIT #7803W42-135-05156ODESSA EXPL, INCInjection0----
PluggedMOSS UNIT #1012W42-135-21297UNION OIL CO OF CALIFORNIAUIC0----
page 66 of 66 · 6,516 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.