RESPONDENT, EDWARD C. BALBEN VIOLATED 40 CFR 141.14, 141.21(B), 141.21(D)(1), 141.23, 141.26, 141.31, AND 141.32 BY EXECEEDING THE MAXIMUM CONTAMINANT LEVEL (MCL) FOR COLI- FORM BACTERIA, FAILURE TO MONITOR FOR COLIFORM BACTERIA, FAILURE TO SUPPLY CHECK SAMPLES, FAILURE TO MONITOR FOR IN- ORGANIC CHEMICALS, FAILURE TO MONITOR FOR RADIOACTIVITY, FAILURE TO COMPLY WITH ANY NATIONAL PRIMARY DRINKING WATER REGULATION, AND FAILURE TO COMPLY WITH AN MCL OR TESTING PROCEDURES. RESPONDENT IS DOING BUSINESS AS HILLCREST DEVELOPMENT, OWNS, AND OPERATES THE HILLCREST DEVELOPMENT WATER SYSTEM, LOCATED IN NATRONA COUNTY, WYOMING.