_id id   hoscode   mem_id   d_update   b_year   ogn1   ogn2   ogn3   ogn4   ogn5   ogn6   ogn7   ogn8   wType_0   wType_1   wType_2   wType_3   wType_4   wType_5   wType_6   wType_7   wType_8   wType_9   wType_99   Color_true   Color_false   Turbidity_true   Turbidity_false   pH_true   pH_false   Total_Dissolve_Sloid_true   Total_Dissolve_Sloid_false   Hardness_true   Hardness_false   Sulphate_true   Sulphate_false   Chloride_true   Chloride_false   Nitrate_true   Nitrate_false   Fluoride_true   Fluoride_false   Iron_true   Iron_false   Maganese_true   Maganese_false   Copper_true   Copper_false   Zinc_true   Zinc_false   Lead_true   Lead_false   Chromium_true   Chromium_false   Cadmium_true   Cadmium_false   Arsenic_true   Arsenic_false   Mercury_true   Mercuryc_false   Coliform_Bacteria_true   Coliform_Bacteria_false   Faecal_Coliform_Bacteria_true   Faecal_Coliform_Bacteria_false   colspacer
id hoscode mem_id d_update b_year ogn1 ogn2 ogn3 ogn4 ogn5 ogn6 ogn7 ogn8 wType_0 wType_1 wType_2 wType_3 wType_4 wType_5 wType_6 wType_7 wType_8 wType_9 wType_99 Color_true Color_false Turbidity_true Turbidity_false pH_true pH_false Total_Dissolve_Sloid_true Total_Dissolve_Sloid_false Hardness_true Hardness_false Sulphate_true Sulphate_false Chloride_true Chloride_false Nitrate_true Nitrate_false Fluoride_true Fluoride_false Iron_true Iron_false Maganese_true Maganese_false Copper_true Copper_false Zinc_true Zinc_false Lead_true Lead_false Chromium_true Chromium_false Cadmium_true Cadmium_false Arsenic_true Arsenic_false Mercury_true Mercuryc_false Coliform_Bacteria_true Coliform_Bacteria_false Faecal_Coliform_Bacteria_true Faecal_Coliform_Bacteria_false