ALTA HAS APPROX 22 SERVICE CONNECTIONS SERVING ABOUT 85 PEOPLE. FED JURISDICTION ATTACHES IN NON-PRIMARY STATES SUCH AS WYOMING TO WATER SUPPLIERS W/EITHER 15 SERVICE CONNEC- TIONS OR 25 REGULAR CONSUMERS. 42 USC SEC 300F(4). ALTA HAS VIOLATED 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. ALTA HAS FAILED TO MAKE SUCH REPORTS 31 MONTHS DURING THE PERIOD 4/78 TO 6/82. THE REGULATIONS HAVE BEEN IN EFFECT SINCE 6/77. PRIOR TO 4/78, NO SUCH REPORTS WERE MADE TO EPA. ALTA HAS ALSO NEVER MONITORED OR REORTED ON THE PRESENCE OF INORGANIC CHEMICALS OR RADIONUCLIDES IN ITS WATER, ONLY ONCE PROVIDED NOTIFICATION OF ITS VIOL'S TO EITHER THE AGENCY OR THE PUBLIC & HAS NOT MAINTAINED REQUIRED RECORDS.