測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 51101 |
早池峰ダム貯水池 |
L‐18 |
A |
測定結果
| 採取年月日 |
2003.04.28 |
2003.04.28 |
2003.04.28 |
2003.05.22 |
2003.05.22 |
2003.05.22 |
2003.06.23 |
2003.06.23 |
2003.06.23 |
2003.07.29 |
2003.07.29 |
2003.07.29 |
2003.08.22 |
2003.08.22 |
2003.08.22 |
2003.09.16 |
2003.09.16 |
2003.09.16 |
2003.10.21 |
2003.10.21 |
2003.10.21 |
2003.11.18 |
2003.11.18 |
2003.11.18 |
2003.12.08 |
2003.12.08 |
2003.12.08 |
2004.01.20 |
2004.01.20 |
2004.01.20 |
2004.02.13 |
2004.02.13 |
2004.02.13 |
2004.03.01 |
2004.03.01 |
2004.03.01 |
| 採取時刻 |
1152 |
1205 |
1214 |
1108 |
1120 |
1130 |
1016 |
1022 |
1033 |
1031 |
1043 |
1100 |
1100 |
1108 |
1113 |
1110 |
1123 |
1133 |
1005 |
1027 |
1046 |
1040 |
1047 |
1053 |
1122 |
1130 |
1137 |
1143 |
1156 |
1212 |
1130 |
1145 |
1205 |
1106 |
1120 |
1135 |
| 天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
| 気温 (℃) |
19 |
19 |
19 |
16 |
16 |
16 |
26 |
26 |
26 |
21 |
21 |
21 |
26 |
26 |
26 |
19 |
19 |
19 |
14 |
14 |
14 |
9 |
9 |
9 |
1.5 |
1.5 |
1.5 |
0.8 |
0.8 |
0.8 |
3 |
3 |
3 |
-1 |
-1 |
-1 |
| 水温 (℃) |
10 |
5.2 |
5.7 |
13 |
5.1 |
5.8 |
22 |
4.8 |
4.8 |
17.8 |
5.1 |
5.1 |
21.1 |
5.3 |
5.8 |
17.5 |
5.6 |
5.1 |
12.4 |
5.6 |
5.8 |
8.7 |
5.5 |
5.6 |
6.1 |
5.9 |
5.4 |
2.3 |
3.3 |
6 |
0.9 |
2.2 |
2.8 |
2.3 |
2.9 |
6 |
| 採取水深 (m) |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
0 |
18 |
36 |
| 全水深 (m) |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
42 |
| 前日までの降雨状況 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
前日小雨 |
前日小雨 |
前日小雨 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
前日小雨 |
前日小雨 |
前日小雨 |
前日雨 |
前日雨 |
前日雨 |
なし |
なし |
なし |
前日小雨 |
前日小雨 |
前日小雨 |
| pH |
7.4 |
7.3 |
7.4 |
7.9 |
7.2 |
6.8 |
7.8 |
7 |
6.8 |
7.8 |
7.2 |
7 |
7.4 |
6.9 |
6.9 |
7.5 |
6.9 |
7 |
7.3 |
6.7 |
6.7 |
7.3 |
6.7 |
6.9 |
7.2 |
7 |
6.7 |
7.3 |
7.2 |
7.1 |
7.3 |
7.2 |
7.1 |
7.3 |
7.2 |
6.9 |
| DO (mg/l) |
13 |
11 |
6 |
10 |
9.4 |
3 |
8.9 |
8.7 |
1 |
9.9 |
7.6 |
1 |
9.4 |
6.5 |
1 |
10 |
5.5 |
1 |
10 |
4.5 |
1 |
11 |
3.5 |
< 1 |
11 |
9.2 |
1 |
13 |
12 |
< 1 |
14 |
13 |
1 |
13 |
12 |
< 1 |
| BOD (mg/l) |
0.7 |
1 |
0.8 |
0.8 |
< 0.5 |
1.6 |
0.7 |
< 0.5 |
0.6 |
0.9 |
< 0.5 |
0.7 |
0.8 |
< 0.5 |
3.1 |
0.8 |
< 0.5 |
1.9 |
1 |
0.5 |
3.6 |
0.7 |
< 0.5 |
4.2 |
0.7 |
< 0.5 |
< 0.5 |
1.6 |
1.7 |
10 |
2.4 |
1.3 |
1.4 |
0.8 |
< 0.5 |
12 |
| COD (mg/l) |
1.2 |
0.5 |
3.2 |
2.3 |
1.3 |
3.8 |
3.9 |
2.6 |
3.9 |
2.1 |
3.8 |
2.8 |
2.9 |
1.6 |
2.9 |
1.5 |
0.9 |
2.4 |
1.8 |
1.5 |
3.4 |
1.1 |
1.7 |
5.1 |
1.9 |
1.5 |
2.9 |
1.1 |
1.2 |
8.8 |
0.8 |
1.1 |
1.1 |
1.8 |
1.8 |
9.8 |
| SS (mg/l) |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
3 |
< 1 |
1 |
3 |
< 1 |
1 |
2 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
5 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
< 1 |
< 1 |
2 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
2 |
| 大腸菌群数 (MPN/100ml) |
1.1E+01 |
< 1.8E+00 |
< 1.8E+00 |
4.9E+02 |
7.9E+01 |
1.3E+01 |
2.2E+03 |
6.8E+00 |
7.0E+00 |
1.3E+03 |
3.3E+02 |
7.9E+02 |
7.9E+01 |
3.3E+01 |
2.4E+02 |
1.3E+02 |
1.7E+02 |
4.9E+01 |
7.9E+02 |
1.3E+02 |
7.0E+00 |
2.0E+00 |
< 1.8E+00 |
< 1.8E+00 |
1.4E+02 |
3.3E+01 |
2.0E+00 |
2.0E+00 |
7.0E+00 |
< 1.8E+00 |
2.0E+00 |
7.0E+00 |
2.0E+00 |
3.3E+01 |
2.2E+01 |
< 1.8E+00 |
| 全窒素 (mg/l) |
0.51 |
0.56 |
0.51 |
0.58 |
0.59 |
0.43 |
0.36 |
0.6 |
0.56 |
0.5 |
0.48 |
0.74 |
0.33 |
0.44 |
0.51 |
0.39 |
0.46 |
0.58 |
0.37 |
0.48 |
0.64 |
0.32 |
0.47 |
1 |
0.49 |
0.45 |
0.42 |
0.38 |
0.38 |
1 |
0.39 |
0.42 |
0.4 |
0.49 |
0.57 |
2 |
| 全燐 (mg/l) |
0.007 |
0.005 |
0.009 |
0.009 |
0.006 |
0.011 |
0.007 |
0.002 |
0.01 |
0.011 |
0.006 |
0.013 |
0.009 |
0.009 |
0.008 |
0.01 |
0.002 |
0.005 |
0.007 |
0.004 |
0.012 |
0.007 |
0.007 |
0.012 |
0.007 |
0.019 |
0.009 |
0.005 |
0.003 |
0.04 |
0.006 |
0.004 |
0.005 |
0.009 |
0.008 |
0.052 |
| カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 鉛 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 六価クロム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 砒素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 総水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| アルキル水銀 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| PCB (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ジクロロメタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 四塩化炭素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1,1-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| トリクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| テトラクロロエチレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1,3-ジクロロプロペン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| チウラム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| シマジン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| チオベンカルブ (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ベンゼン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| セレン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| アンモニア性窒素 (mg/l) |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
0.1 |
0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
0.7 |
0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
0.6 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
1.2 |
| クロロフィル-a (ug/l) |
< 2 |
< 2 |
< 2 |
4 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
6 |
2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
< 2 |
2 |
< 2 |
3 |
6 |
5 |
5 |
2 |
< 2 |
| 硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.42 |
0.48 |
0.37 |
0.28 |
0.43 |
0.19 |
0.19 |
0.43 |
0.03 |
0.27 |
0.44 |
0.04 |
0.22 |
0.4 |
0.02 |
0.21 |
0.4 |
0.03 |
0.22 |
0.41 |
< 0.02 |
0.25 |
0.42 |
< 0.02 |
0.36 |
0.35 |
0.12 |
0.26 |
0.27 |
0.06 |
0.33 |
0.35 |
0.34 |
0.4 |
0.47 |
< 0.02 |