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 | 花蓮給水廠和平淨水場
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(℃) | 24.67 | 25.50 | 28.00 | 20.50
濁度 TURBIDITY(N.T.U.) | 0.33 | 0.35 | 0.40 | 0.25
鹼度 ALKALINITY | 碳酸 CARBONATE | ND | ND | ND | ND
氫碳酸 BICARBONATE | 103.33 | 102.00 | 107.00 | 101.00
PH 指標 PH VALUE | 8.0 | 8.0 | 8.1 | 7.9
氯鹽 CHLORIDE | 5 | 6 | 6 | 4
硫酸鹽 SULFATE | 5 | 5 | 5 | 5
氟鹽 FLUORIDE | ND | ND | ND | ND
氨氮 AMMONIA NITROGEN | ND | ND | ND | ND
亞硝酸鹽氮 NITRITE NITROGEN | 0.0003 | ND | 0.0008 | ND
硝酸鹽氮 NITRATE NITROGEN | 0.43 | 0.42 | 0.45 | 0.42
溶解固體量 DISSOLVED SOLIDS | 137 | 130 | 162 | 120
總硬度 TOTAL HARDNESS | 116.0 | 116.0 | 120.0 | 112.0
鈣 CALCIUM |  |  |  |
鎂 MAGNESIUM |  |  |  |
鐵 IRON | 0.02 | 0.02 | 0.04 | ND
錳 MANGANESE | ND | ND | ND | ND
大腸菌類數 COLIFORM(MPN/100ML) | 156 | 81 | 380 | 7