EPA v. SIOSI OIL COMPANY, AN OKLAHOMA COMPANY

Case summary

1. SECTION 1423(C) OF THE SAFE DRINKING WATER ACT ( SDWA ), 42 U.S.C. 300H-2(C). 2. SIOSI OIL COMPANY, AN OKLAHOMA COMPANY P.O. BOX 702163 TULSA, TULSA COUNTY, OKLAHOMA 74170 FACILITIES: 24 CLASS II WELLS IN OSAGE COUNTY, OKLAHOMA INV. NO. WELL NO. LOCATION OS4544 75 NW/4, SEC. 19, T23N, R12E OS3509 49 NE/4, SEC. 19, T23N, R12E OS3940 128 NE/4, SEC. 19, T23N, R12E OS3939 129 NE/4. SEC. 19, T23N, R12E OS4536 T-1 NE/4, SEC. 24, T23N, R12E OS3534 52 NE/4, SEC. 19, T23N, R12E OS3537 74 NE/4, SEC. 19, T23N, R12E OS3538 125 NE/4, SEC. 19, T23N, R12E OS3539 126 NE/4, SEC. 19, T23N, R12E OS3540 127 NE/4, SEC. 19, T23N, R12E OS3934 45 NE/4, SEC. 19, T23N, R12E OS3935 137 NE/4, SEC. 19, T23N, R12E OS3936 136 NE/4, SEC. 19, T23N, R12E OS3937 131 NE/4, SEC. 19, T23N, R12E OS4541 55 NE/4, SEC. 19, T23N, R12E OS4542 59 NE/4, SEC. 19, T23N, R12E OS4538 38 NE/4, SEC. 19, T23N, R12E OS3933 121 SE/4, SEC. 19, T23N, R12E OS3511 66 NW/4, SEC. 20, T23N, R12E OS3512 61 NW/4, SEC. 20, T23N, R12E OS3513 57 NW/4, SEC. 20, T23N, R12E OS3514 53 NW/4, SEC. 20, T23N, R12E OS3535 72 NW/4, SEC. 20, T23N, R12E OS4543 62 NW/4, SEC. 29, T23N, R12E 3. RESPONDENT WAS IN VIOLATION OF SECTION 1421 OF THE SDWA BY USING WELL NOS. 75, 49, 129, 128, AND T-1 WITHOUT DE- MONSTRATING MECHANICAL INTEGRITY WITHIN 5 YEARS, AND FAILING TO MONITOR INACTIVE INJECTION WELL NOS. 52, 74, 125, 126, 127, 45, 137, 136, 131, 55, 59, 38, 121, 66, 61, 57, 53, 72, AND 62 AS REQUIRED. 4. RELIEF SOUGHT PURSUANT TO SECTION 1423(C) OF THE SDWA, EPA PROPOSED AN ADMINISTRATIVE ORDER (AO) THAT WOULD RE- QUIRE THE RESPONDENT TO: A) DEMONSTRATE MECHANICAL INTEG- RITY FOR WELL NO T-1 BY APR. 1, 1999, WELL NO. 49 BY JUN. 1, 1999, WELL NO 129 BY AUG. 1, 1999, WELL NO. 128 BY OCT. 1, 1999, AND WELL NO 75 BY DEC. 1, 1999; AND B) EITHER PLUG OR DEMONSTRATE MECHANICAL INTEGRITY FOR WELL NOS. 74, AND 72 BY APR. 1, 1999, WELL NOS. 52, 125, 126, AND 127 BY JUL. 1, 1999, WELL NOS. 45, 137, 136, AND 131 BY JAN. 1, 2000; WELL NOS. 55, 59, 38, AND 121 BY JUL. 1, 2000, AND WELL NOS. 66, 61, 57, 53, AND 62 BY JAN. 1, 2001.

Defendants (1)

• SIOSI OIL COMPANYNamed in settlement

Facilities (1)

• SIOSI OIL CO

  PO BOX 702163, TULSA, OK, 74170

  Registry ID: 110010697772

Statutes cited

• SDWA 1421 — UIC Regulations

Enforcement conclusions (1)

• SIOSO OIL COMPANYentered 1999-03-30

  Primary law: SDWA

Timeline (5 milestones)

• 1998-11-16Complaint Filed/Proposed Order
• 1998-11-23Enforcement Action Data Entered
• 1999-03-30Final Order Issued
• 2001-09-13Compliance Achieved
• 2001-09-13Enforcement Action Closed