WT101
Free residual chlorine, turbidity, nitrate-nitrogen, nitrite-nitrogen, arsenic, lead, zinc, copper, iron
WT202
Total bacterial count, coliform group, free residual chlorine, turbidity, nitrate-nitrogen, nitrite-nitrogen, arsenic, lead, zinc, copper, iron, total trihalomethanes
WT303
Total bacterial count, coliform group, free residual nitrogen, turbidity, nitrate-nitrogen, nitrite-nitrogen, arsenic, lead, zinc, copper, iron, total trihalomethanes, silver, molybdenum, manganese, sulfate, selenium, chromium, cadmium, nickel, mercury, trichloroethene, carbon tetrachloride, 1,1,1-trichloro-ethane, 1,2-dichloroethane, vinyl chloride, benzene, 1,4-dichlorobenzene, 1,2-dichloroethene​​​​​​​​​​
WT505
Total bacterial count, coliform group, free residual nitrogen, turbidity, nitrate-nitrogen, nitrite-nitrogen, arsenic, lead, zinc, copper, iron, total trihalomethanes, electrical fast transient/burst, lightning surge
WT707
Total bacterial count, coliform group, free residual nitrogen, turbidity, nitrate-nitrogen, nitrite-nitrogen, arsenic, lead, zinc, copper, iron, total trihalomethanes, silver, molybdenum, manganese, sulfate, selenium, chromium, cadmium, nickel, mercury, trichloroethene, carbon tetrachloride, 1,1,1-trichloro-ethane, 1,2-dichloroethane, vinyl chloride, benzene, 1,4-dichlorobenzene, 1,2-dichloroethene​​​​​​​​​​, 1,4-dichlorobenzene, 1,2-dichloroethene, electrical fast transient/burst, lightning surge​​​​​​​