測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
50601 |
綱取ダム貯水池 |
L‐12 |
A |
測定結果
採取年月日 |
2003.04.30 |
2003.04.30 |
2003.04.30 |
2003.05.12 |
2003.05.12 |
2003.05.12 |
2003.06.02 |
2003.06.02 |
2003.06.02 |
2003.07.07 |
2003.07.07 |
2003.07.07 |
2003.08.04 |
2003.08.04 |
2003.08.04 |
2003.09.01 |
2003.09.01 |
2003.09.01 |
2003.10.06 |
2003.10.06 |
2003.10.06 |
2003.11.05 |
2003.11.05 |
2003.11.05 |
2003.12.01 |
2003.12.01 |
2003.12.01 |
2004.01.05 |
2004.01.05 |
2004.01.05 |
2004.02.02 |
2004.02.02 |
2004.02.02 |
2004.03.01 |
2004.03.01 |
2004.03.01 |
採取時刻 |
1002 |
1018 |
1040 |
1212 |
1228 |
1240 |
1017 |
1041 |
1055 |
1041 |
1048 |
1055 |
1047 |
1100 |
1110 |
1047 |
1105 |
1120 |
1047 |
1102 |
1115 |
1007 |
1030 |
1045 |
0947 |
1012 |
1025 |
1122 |
1140 |
1155 |
1047 |
1115 |
1130 |
1002 |
1020 |
1030 |
天候 |
雨 |
雨 |
雨 |
雨 |
雨 |
雨 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
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 |
曇り |
曇り |
曇り |
気温 (℃) |
15.8 |
15.8 |
15.8 |
14.8 |
14.8 |
14.8 |
18.9 |
18.9 |
18.9 |
22.3 |
22.3 |
22.3 |
24.5 |
24.5 |
24.5 |
21.7 |
21.7 |
21.7 |
13.4 |
13.4 |
13.4 |
12.1 |
12.1 |
12.1 |
12 |
12 |
12 |
3.3 |
3.3 |
3.3 |
2.9 |
2.9 |
2.9 |
1.8 |
1.8 |
1.8 |
水温 (℃) |
13.1 |
8.5 |
4.7 |
14.4 |
8.4 |
4.8 |
18.9 |
8.4 |
5.2 |
22 |
9.4 |
5.6 |
23.7 |
10.9 |
5.9 |
18.8 |
15 |
6.1 |
15.8 |
14.5 |
6.3 |
12.8 |
12.2 |
6.5 |
8.6 |
7.8 |
6.6 |
4.7 |
4.6 |
4.8 |
1.6 |
4 |
4.3 |
3.5 |
4 |
4.1 |
流量 (m3/s) |
6.04 |
6.04 |
6.04 |
0.51 |
0.51 |
0.51 |
0.48 |
0.48 |
0.48 |
0.55 |
0.55 |
0.55 |
0.62 |
0.62 |
0.62 |
2.3 |
2.3 |
2.3 |
0.47 |
0.47 |
0.47 |
0.49 |
0.49 |
0.49 |
1.67 |
1.67 |
1.67 |
0.94 |
0.94 |
0.94 |
0.37 |
0.37 |
0.37 |
0.97 |
0.97 |
0.97 |
採取水深 (m) |
0.5 |
12 |
23 |
0.5 |
12 |
23 |
0.5 |
12 |
23 |
0.5 |
10.8 |
20.6 |
0.5 |
10.75 |
20.5 |
0.5 |
10.85 |
20.7 |
0.5 |
10.65 |
20.3 |
0.5 |
10.55 |
20.1 |
0.5 |
11.9 |
22.8 |
0.5 |
12.25 |
23.5 |
0.5 |
10.95 |
20.9 |
0.5 |
10.1 |
19.2 |
全水深 (m) |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
24 |
21.6 |
21.6 |
21.6 |
21.5 |
21.5 |
21.5 |
21.7 |
21.7 |
21.7 |
21.3 |
21.3 |
21.3 |
21.1 |
21.1 |
21.1 |
23.8 |
23.8 |
23.8 |
24.5 |
24.5 |
24.5 |
21.9 |
21.9 |
21.9 |
20.2 |
20.2 |
20.2 |
透明度 (m) |
2.1 |
2.1 |
2.1 |
4.2 |
4.2 |
4.2 |
6.7 |
6.7 |
6.7 |
3.5 |
3.5 |
3.5 |
4 |
4 |
4 |
1.8 |
1.8 |
1.8 |
4.4 |
4.4 |
4.4 |
3.9 |
3.9 |
3.9 |
2.7 |
2.7 |
2.7 |
4.7 |
4.7 |
4.7 |
3.3 |
3.3 |
3.3 |
3.7 |
3.7 |
3.7 |
外観 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
臭気 |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
なし |
pH |
7.7 |
7.2 |
6.9 |
7.4 |
7.2 |
7 |
7.4 |
7.4 |
6.8 |
7.4 |
7.2 |
6.7 |
7.5 |
6.9 |
6.7 |
8.2 |
7.2 |
6.7 |
7.4 |
7 |
6.8 |
7.2 |
7.1 |
6.8 |
7.2 |
7.1 |
6.8 |
7.2 |
7.3 |
7.2 |
7 |
7.1 |
7.2 |
7 |
7.1 |
7 |
DO (mg/l) |
11.9 |
11.5 |
9 |
11 |
10.9 |
7.9 |
9.4 |
11.3 |
5.6 |
9.9 |
11.5 |
3.8 |
9.2 |
9.4 |
1.7 |
12.1 |
4.1 |
1.4 |
9.5 |
7.1 |
1.4 |
9.6 |
8.2 |
1.8 |
10.1 |
9.5 |
4.9 |
10.1 |
12.2 |
11.4 |
13.6 |
14.2 |
10.8 |
12.9 |
11.4 |
11.8 |
BOD (mg/l) |
1.3 |
< 0.5 |
< 0.5 |
1 |
0.5 |
< 0.5 |
0.8 |
1.1 |
0.6 |
0.8 |
0.7 |
< 0.5 |
0.9 |
< 0.5 |
< 0.5 |
1.8 |
< 0.5 |
0.6 |
0.8 |
0.6 |
< 0.5 |
0.7 |
0.6 |
< 0.5 |
1.1 |
0.6 |
1.2 |
0.5 |
< 0.5 |
0.6 |
0.6 |
1 |
< 0.5 |
0.8 |
0.9 |
0.7 |
COD (mg/l) |
1.4 |
1.2 |
1.2 |
1.4 |
1.1 |
0.9 |
1.1 |
1.1 |
0.7 |
1.5 |
1.3 |
1 |
1.6 |
0.8 |
0.9 |
2.4 |
1.6 |
1.7 |
1.4 |
1.6 |
1.8 |
1.7 |
1.5 |
2.5 |
1.4 |
1.5 |
2.3 |
0.8 |
1.1 |
1 |
0.9 |
1.2 |
1.2 |
1.2 |
1.2 |
1.1 |
SS (mg/l) |
2 |
2 |
2 |
1 |
1 |
2 |
< 1 |
2 |
1 |
1 |
5 |
3 |
1 |
1 |
2 |
2 |
2 |
4 |
< 1 |
1 |
3 |
1 |
1 |
3 |
1 |
1 |
4 |
< 1 |
< 1 |
< 1 |
< 1 |
1 |
1 |
< 1 |
2 |
2 |
大腸菌群数 (MPN/100ml) |
2.4E+03 |
1.3E+04 |
3.5E+02 |
7.0E+01 |
8.0E+00 |
8.0E+00 |
5.4E+02 |
1.3E+02 |
3.3E+01 |
7.9E+02 |
2.3E+02 |
7.0E+02 |
4.9E+02 |
3.3E+02 |
1.1E+03 |
1.1E+03 |
3.5E+03 |
3.3E+02 |
9.2E+02 |
5.4E+02 |
7.9E+01 |
7.0E+02 |
7.9E+02 |
4.6E+02 |
7.9E+01 |
3.3E+01 |
3.3E+01 |
2.3E+01 |
3.3E+01 |
3.3E+01 |
4.5E+01 |
3.3E+01 |
2.3E+01 |
2.3E+01 |
4.9E+01 |
7.9E+01 |
全窒素 (mg/l) |
0.53 |
0.56 |
0.64 |
0.76 |
0.5 |
0.7 |
0.49 |
0.59 |
0.84 |
0.54 |
0.59 |
0.9 |
0.53 |
0.42 |
0.75 |
0.82 |
0.59 |
0.83 |
0.44 |
0.52 |
0.75 |
0.26 |
0.29 |
0.56 |
0.47 |
0.39 |
0.86 |
0.52 |
0.49 |
0.5 |
0.48 |
0.52 |
0.53 |
1.1 |
0.64 |
0.6 |
全燐 (mg/l) |
0.023 |
0.012 |
0.014 |
0.036 |
0.028 |
0.018 |
0.006 |
0.008 |
0.006 |
0.007 |
0.007 |
0.007 |
0.01 |
0.005 |
0.009 |
0.02 |
0.009 |
0.01 |
0.005 |
0.003 |
0.004 |
0.017 |
0.015 |
0.029 |
0.007 |
0.007 |
0.012 |
0.006 |
0.005 |
0.006 |
0.007 |
0.004 |
0.004 |
0.007 |
0.008 |
0.008 |
カドミウム (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
|
|
|
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|
|
N |
|
|
|
|
|
|
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|
|
|
|
|
鉛 (mg/l) |
|
|
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|
|
|
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|
< 0.002 |
|
|
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|
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|
|
六価クロム (mg/l) |
|
|
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|
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|
|
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|
< 0.02 |
|
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|
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|
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|
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|
|
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|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
|
|
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< 0.001 |
|
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|
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|
|
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|
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|
|
総水銀 (mg/l) |
|
|
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|
|
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|
< 0.0005 |
|
|
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|
|
アルキル水銀 (mg/l) |
|
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|
N |
|
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|
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|
PCB (mg/l) |
|
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N |
|
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|
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|
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|
|
ジクロロメタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
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|
|
1,1-ジクロロエチレン (mg/l) |
|
|
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|
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|
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|
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< 0.002 |
|
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|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
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|
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|
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|
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|
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< 0.004 |
|
|
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1,1,1-トリクロロエタン (mg/l) |
|
|
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< 0.0005 |
|
|
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|
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1,1,2-トリクロロエタン (mg/l) |
|
|
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|
|
|
|
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|
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< 0.0006 |
|
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|
トリクロロエチレン (mg/l) |
|
|
|
|
|
|
|
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|
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< 0.002 |
|
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|
テトラクロロエチレン (mg/l) |
|
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< 0.0005 |
|
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1,3-ジクロロプロペン (mg/l) |
|
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< 0.0002 |
|
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|
チウラム (mg/l) |
|
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< 0.0006 |
|
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|
シマジン (mg/l) |
|
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< 0.0003 |
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|
チオベンカルブ (mg/l) |
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< 0.002 |
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|
ベンゼン (mg/l) |
|
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< 0.001 |
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|
セレン (mg/l) |
|
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< 0.002 |
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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 |
0.2 |
< 0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
0.2 |
< 0.1 |
< 0.1 |
0.3 |
< 0.1 |
< 0.1 |
0.4 |
|
|
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|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
クロロフィル-a (ug/l) |
10 |
3 |
1 |
4 |
4 |
1 |
1 |
9 |
1 |
3 |
18 |
7 |
5 |
3 |
6 |
9 |
< 1 |
< 1 |
4 |
2 |
1 |
5 |
3 |
1 |
8 |
2 |
1 |
3 |
3 |
3 |
2 |
7 |
3 |
1 |
7 |
7 |
透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
トリハロメタン生成能 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
0.04 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロホルム生成能 (mg/l) |
|
|
|
|
|
|
|
|
|
|
|
|
0.01 |
|
|
|
|
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|
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ブロモジクロロメタン生成能 (mg/l) |
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0.01 |
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ジブロモクロロメタン生成能 (mg/l) |
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0.004 |
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ブロモホルム生成能 (mg/l) |
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0.02 |
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プランクトン(優占種) |
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Uroglena a |
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Cryptophyc |
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Cryptophyc |
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Cryptophyc |
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Cryptophyc |
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Cryptophyc |
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Cryptophyc |
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Crclotella |
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Peridinium |
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Cryptomona |
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ホシガタケ |
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硝酸性窒素及び亜硝酸性窒素 (mg/l) |
0.36 |
0.41 |
0.44 |
0.36 |
0.41 |
0.44 |
0.34 |
0.4 |
0.41 |
0.26 |
0.32 |
0.4 |
0.31 |
0.34 |
0.36 |
0.52 |
0.48 |
0.18 |
0.36 |
0.4 |
0.07 |
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0.55 |
0.42 |
0.5 |