Inorganics
Year Constituent Highest Level Range of MCL MCLG Unit of Source of Constituent
    at Any Detected   Measure  
    Sampling Point Levels        
2000 Rarium 0.065 0.0650- 2 2 ppm Discharge of drilling wastes;
  0.0650 Discharge from metal refineries;
              Erosion of natural deposits.
2000 Gross beta 8.2 8.2000- 50 0 pci/l Decay of natural and
      8.2000       man-made deposits.
Organics
Year Constituent Average of all Range of     Reasons for Monitoring
    Sampling Detected    
    Points Levels        
2000- Bromomethane 0.7 0.700     Unregulated contaminant monitoring helps
2000 12.5300 the EPA to determine where certain
  contaminants occur and whether it needs
            to regulate those contaminants.
2000- Chloromethane 0.9 0.9000-     Unregulated contaminant monitoring helps
2000 0.9000 the EPA to determine where certain
  contaminants occur and whether it needs
            to regulate those contaminants.
Lead and Copper
Year Constituent The 90th Number of Sites Action Units of Source of Constituent
    Percentile Exceeding Level Measure  
      Action Level      
2000 Lead 0.4000 0   15 ppb Corrosion of household plumbing
  systems; Erosion of natural
              deposits.
2000 Copper 0.0030 0   1.3 ppm Corrosion of household plumbing
  systems; Erosion of natural
  deposits; Leaching from wood
              preservations.
Total Coliform NOT DETECTED
Fecal Coliform NOT DETECTED