民國88年自來水原水水質統計表
THE STATISTICAL RAW WATER QUALITY DATA OF PUBLIC WATER SUPPLY IN 1999

|  | 單位：毫克/公升
|  | UNIT：mg/L

取樣位置 SITES OF SAMPLING | 頭城營運所龍潭淨水場
受檢次數 NO.OF SAMPLE EXAMINED | 3
項目 ITEMS | 平均值 AVERAGE VALUE | 中數值 MEDIAN VALUE | 最大值 MAXIMUM VALUE | 最小值 MINIMUM VALUE
水溫 WATER TEMPERATURE(℃) | 22.00 | 22.00 | 22.00 | 22.00
濁度 TURBIDITY(N.T.U.) | 0.08 | 0.10 | 0.10 | 0.05
鹼度 ALKALINITY | 碳酸 CARBONATE |  |  |  |
氫碳酸 BICARBONATE | 42.00 | 40.00 | 47.00 | 39.00
PH 指標 PH VALUE | 7.1 | 7.2 | 7.2 | 7.0
氯鹽 CHLORIDE | 5 | 5 | 7 | 5
硫酸鹽 SULFATE | 22 | 22 | 24 | 19
氟鹽 FLUORIDE | 0.17 | 0.17 | 0.17 | 0.16
氨氮 AMMONIA NITROGEN | ND | ND | ND | ND
亞硝酸鹽氮 NITRITE NITROGEN | ND | ND | ND | ND
硝酸鹽氮 NITRATE NITROGEN | 1.67 | 1.70 | 1.80 | 1.50
溶解固體量 DISSOLVED SOLIDS | 127 | 127 | 138 | 117
總硬度 TOTAL HARDNESS | 68.1 | 67.0 | 70.9 | 66.4
鈣 CALCIUM |  |  |  |
鎂 MAGNESIUM |  |  |  |
鐵 IRON | ND | ND | ND | ND
錳 MANGANESE | ND | ND | ND | ND
大腸菌類數 COLIFORM(MPN/100ML) | 2 | 2 | 2 | <2