OSMOND HAS ABOUT 67 SERVICE CONNECTIONS SERVING APPROX 250 PEOPLE. FED JURISDICTION ATTACHES IN NON-PRIMACY STATES SUCH AS WYOMING TO WATER SUPPLIERS W/EITHER 15 SERVICE CON- NECTIONS OR 25 REGULAR CONSUMERS. 42 USC SEC 300F(4). OSMOND HAS VIOL'D SDWA REGULATIONS PUBLISHED AT 40 CFR PART 141 BY FAILING TO REGULARLY SAMPLE FOR & REPORT ON THE PRESENCE OF MICROBIOLOGICAL CONTAMINANTS IN ITS DRINKING WATER. OSMOND HAS FAILED TO MAKE SUCH REPORTS 39 MONTHS DURING THE PERIOD 3/78 & 8/82. THE REGULATIONS HAVE BEEN IN EFFECT SINCE 6/77. PRIOR TO 3/78, NO SUCH REPORTS WERE MADE TO EPA. OSMOND HAS ALSO NEVER MONITORED OR REPORTED ON THE PRESENCE OF INORGANIC CHEMICALS OR RADIONUCLIDES IN ITS WATER, NEVER PROVIDED NOTIFICATION OF ITS VIOL'S TO EITHER THE AGENCY OR THE PUBLIC & HAS NOT MAINTAINED REQUIRED RECOR DS. DURING ONE REPORTING PERIOD OSMOND ALSO VIOL'D THE MAX- IMUM CONTAMINANT LEVEL FOR COLIFORM BACTERIA.