民國87年自來水原水水質統計表
THE STATISTICAL RAW WATER QUALITY DATA OF PUBLIC WATER SUPPLY IN 1998

|  | 單位：毫克/公升
|  | UNIT：mg/L

取樣位置 SITES OF SAMPLING | 冬山營運所寒溪淨水場
受檢次數 NO.OF SAMPLE EXAMINED | 2
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(℃) | 21.25 | 21.25 | 23.00 | 19.50
濁度 TURBIDITY(N.T.U.) | 0.28 | 0.28 | 0.30 | 0.25
鹼度 ALKALINITY | 碳酸 CARBONATE |  |  |  |
氫碳酸 BICARBONATE | 44.50 | 44.50 | 51.00 | 38.00
PH 指標 PH VALUE | 7.7 | 7.7 | 7.8 | 7.6
氯鹽 CHLORIDE | 2 | 2 | 2 | 2
硫酸鹽 SULFATE | 12 | 12 | 13 | 11
氟鹽 FLUORIDE | 0.10 | 0.10 | 0.11 | 0.08
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 | 0.23 | 0.23 | 0.24 | 0.21
溶解固體量 DISSOLVED SOLIDS | 75 | 75 | 78 | 72
總硬度 TOTAL HARDNESS | 59.5 | 59.5 | 70.2 | 48.8
鈣 CALCIUM |  |  |  |
鎂 MAGNESIUM |  |  |  |
鐵 IRON | ND | ND | ND | ND
錳 MANGANESE | 0.005 | ND | 0.010 | ND
大腸菌類數 COLIFORM(MPN/100ML) | 125 | 125 | 140 | 110