1. SECTION 1423(C) OF THE SAFE DRINKING WATER ACT ( SDWA ), 42 U.S.C. SECTION 300H-2. 2. COUBA OPERATING COMPANY 5900 MOSTELLER DRIVE - SUITE 1850 OKLAHOMA CITY, OKLAHOMA COUNTY, OKLAHOMA 73112 FACILITIES: DOMES DISTRICT, OSAGE COUNTY, OKLAHOMA INVENTORY NO. WELL NO. LOCATION OS4237 33-W3 NE/4, SEC. 33, T27N, R10E OS1941 2-11 NE/4, SEC. 34, T27N, R10E OS4791 1-21 NW/4, SEC. 34, T27N, R10E OS1956 1-3 NW/4, SEC. 34, T27N, R10E OS1953 4-19 SW/4, SEC. 34, T27N, R10E OS4527 F-4 NW/4, SEC. 35, T27N, R10E OS1961 7W1 SE/4, SEC. 35, T27N, R10E OS1962 7-3 SE/4, SEC. 35, T27N, R10E OS1963 7-4 SE/4, SEC. 35, T27N, R10E OS1960 7-23 SE/4, SEC. 35, T27N, R10E OS4239 36-1 SW/4, SEC. 36, T27N, R10E OS1830 11-21 NE/4, SEC. 2, T26N, R10E OS1832 11-16 NE/4, SEC. 2, T26N, R10E OS1836 13-6 SW/4, SEC. 2, T26N, R10E OS3673 14 NW/4, SEC. 2, T26N, R10E 3. RESPONDENT WAS IN VIOLATION OF SECTION 1421 OF THE SDWA BY MAINTAINING INJECTION WELLS WITHOUT MECHANICAL INTEG- RITY, FAILING TO COMPLY WITH WELL