測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01954 |
北上川(4) |
北上川橋 |
A |
測定結果
採取年月日 |
2005.04.20 |
2005.04.26 |
2005.05.11 |
2005.05.25 |
2005.06.15 |
2005.06.27 |
2005.07.20 |
2005.07.26 |
2005.08.02 |
2005.08.02 |
2005.08.02 |
2005.08.02 |
2005.08.29 |
2005.09.14 |
2005.09.20 |
2005.10.05 |
2005.10.19 |
2005.11.09 |
2005.11.21 |
2005.12.07 |
2005.12.14 |
2006.01.11 |
2006.01.18 |
2006.02.08 |
2006.02.15 |
2006.03.01 |
2006.03.08 |
採取時刻 |
1115 |
1205 |
1155 |
1150 |
1200 |
1210 |
1205 |
1110 |
0130 |
0730 |
1330 |
1930 |
1405 |
1140 |
1155 |
1140 |
1240 |
1140 |
1225 |
1120 |
1230 |
1230 |
1200 |
1225 |
1225 |
1400 |
1205 |
天候 |
曇り |
曇り |
晴れ |
晴れ |
曇り |
雨 |
晴れ |
雨 |
曇り |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
雨 |
晴れ |
気温 (℃) |
9 |
19.7 |
16.2 |
19.2 |
19.5 |
22 |
29.8 |
22.9 |
24.9 |
26 |
30.4 |
25.7 |
28.7 |
25.8 |
26.7 |
21.5 |
19 |
9.9 |
9.8 |
2.4 |
1.2 |
2.8 |
1.2 |
5.5 |
10.9 |
1.1 |
8.5 |
水温 (℃) |
8.2 |
10 |
11.8 |
13.1 |
19.5 |
20.6 |
22.3 |
21 |
24 |
23.5 |
24 |
23.8 |
22.8 |
21 |
21.2 |
15.3 |
16 |
9.5 |
7 |
4.8 |
2.3 |
0.8 |
1.8 |
1.5 |
4.5 |
3.3 |
4.8 |
流量 (m3/s) |
565.44 |
565.44 |
417.42 |
448.76 |
223.62 |
311.93 |
221.78 |
209.14 |
299.03 |
267.95 |
227.31 |
214.51 |
242.4 |
269.97 |
286.89 |
290.57 |
148.47 |
331.8 |
188.32 |
200.33 |
193.42 |
144 |
178.33 |
151.48 |
229.17 |
402.47 |
378.15 |
採取水深 (m) |
0.88 |
0.86 |
0.73 |
0.73 |
0.54 |
0.42 |
0.46 |
0.54 |
0.66 |
0.58 |
0.52 |
0.51 |
0.54 |
0.6 |
0.66 |
0.58 |
0.42 |
0.62 |
0.5 |
0.5 |
0.48 |
0.44 |
0.49 |
0.56 |
0.62 |
0.74 |
0.88 |
全水深 (m) |
4.4 |
4.3 |
3.65 |
3.65 |
2.7 |
2.1 |
2.3 |
2.7 |
3.3 |
2.9 |
2.6 |
2.55 |
2.7 |
3 |
3.3 |
2.9 |
2.1 |
3.1 |
2.5 |
2.5 |
2.4 |
2.2 |
2.45 |
2.8 |
3.1 |
3.7 |
4.4 |
外観 |
微白濁 |
微白濁 |
茶濁 |
茶色 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
微白濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
茶色 |
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 |
pH |
7.1 |
7.1 |
7 |
7.1 |
7.4 |
7.4 |
7.5 |
7.5 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
7.6 |
7.5 |
7.7 |
7.4 |
7.3 |
7.5 |
7.6 |
7.7 |
7.7 |
7.7 |
7.5 |
7.3 |
7.5 |
DO (mg/l) |
11 |
10 |
10 |
10 |
8.6 |
7.7 |
8.2 |
8.4 |
8.4 |
8.2 |
8 |
8.1 |
8.5 |
8.5 |
8.6 |
9.7 |
10 |
10 |
11 |
11 |
13 |
15 |
13 |
14 |
12 |
12 |
12 |
BOD (mg/l) |
1.1 |
0.7 |
1.1 |
1.6 |
1.5 |
1.2 |
1.1 |
1 |
1.1 |
1.2 |
1.2 |
1.2 |
0.9 |
0.9 |
1.5 |
1.1 |
1.1 |
1.5 |
1 |
1.3 |
0.8 |
1.1 |
1.1 |
1.1 |
2.1 |
1.2 |
1 |
COD (mg/l) |
2.1 |
|
3.1 |
|
3.4 |
|
2.4 |
|
|
|
2.5 |
|
|
|
2.5 |
2.5 |
|
3.4 |
|
2.1 |
|
|
2.9 |
2.8 |
|
|
3.3 |
SS (mg/l) |
13 |
10 |
17 |
15 |
11 |
8 |
7 |
5 |
8 |
7 |
7 |
6 |
7 |
6 |
6 |
4 |
2 |
11 |
2 |
3 |
2 |
2 |
3 |
3 |
15 |
12 |
7 |
大腸菌群数 (MPN/100ml) |
1.7E+03 |
1.7E+03 |
1.7E+03 |
4.9E+03 |
1.7E+03 |
1.3E+03 |
2.2E+03 |
3.3E+03 |
7.9E+02 |
4.9E+02 |
4.9E+02 |
4.9E+02 |
7.0E+03 |
1.7E+03 |
2.4E+03 |
4.9E+03 |
4.9E+03 |
7.9E+03 |
7.9E+02 |
1.3E+03 |
4.9E+03 |
4.9E+02 |
4.9E+03 |
1.1E+03 |
7.9E+02 |
1.7E+03 |
1.1E+03 |
全窒素 (mg/l) |
|
|
0.83 |
|
|
|
0.96 |
|
|
|
|
|
|
|
0.9 |
|
|
0.88 |
|
|
|
|
1.3 |
|
|
|
1.2 |
全燐 (mg/l) |
|
|
0.095 |
|
|
|
0.081 |
|
|
|
|
|
|
|
0.049 |
|
|
0.068 |
|
|
|
|
0.045 |
|
|
|
0.044 |
全亜鉛 (mg/l) |
|
|
< 0.01 |
|
|
|
< 0.01 |
|
|
|
|
|
|
|
< 0.01 |
|
|
0.01 |
|
|
|
|
< 0.01 |
|
|
|
< 0.01 |
カドミウム (mg/l) |
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
N |
|
|
|
|
鉛 (mg/l) |
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
|
|
< 0.005 |
|
|
|
< 0.005 |
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
|
< 0.005 |
< 0.005 |
|
|
< 0.005 |
六価クロム (mg/l) |
|
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.02 |
|
|
|
|
砒素 (mg/l) |
< 0.001 |
|
< 0.001 |
|
0.001 |
|
< 0.001 |
|
|
|
< 0.001 |
|
|
|
< 0.001 |
< 0.001 |
|
0.001 |
|
< 0.001 |
|
|
< 0.001 |
0.001 |
|
|
0.001 |
総水銀 (mg/l) |
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
PCB (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ジクロロメタン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
四塩化炭素 (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
1,2-ジクロロエタン (mg/l) |
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
|
|
1,1-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
トリクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
テトラクロロエチレン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
1,3-ジクロロプロペン (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
チウラム (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
シマジン (mg/l) |
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
チオベンカルブ (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
セレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
亜鉛 (mg/l) |
|
|
< 0.01 |
|
|
|
< 0.01 |
|
|
|
|
|
|
|
< 0.01 |
|
|
0.01 |
|
|
|
|
< 0.01 |
|
|
|
< 0.01 |
鉄(溶解性) (mg/l) |
|
|
0.24 |
|
|
|
0.12 |
|
|
|
|
|
|
|
0.1 |
|
|
0.11 |
|
|
|
|
0.12 |
|
|
|
0.13 |
ふっ素 (mg/l) |
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.1 |
|
|
|
|
|
|
|
|
|
EPN (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
アンモニア性窒素 (mg/l) |
|
|
0.1 |
|
|
|
0.1 |
|
|
|
|
|
|
|
0.1 |
|
|
0.1 |
|
|
|
|
0.1 |
|
|
|
0.1 |
透視度 |
88 |
84 |
30 |
68 |
> 100 |
86 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
91 |
> 100 |
> 100 |
> 100 |
> 100 |
90 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
66 |
> 100 |
> 100 |
塩化物イオン (mg/l) |
|
|
6 |
|
|
|
10 |
|
|
|
|
|
|
|
9 |
|
|
8 |
|
|
|
|
12 |
|
|
|
9 |
硫酸イオン (mg/l) |
|
|
12 |
|
|
|
15 |
|
|
|
|
|
|
|
15 |
|
|
17 |
|
|
|
|
16 |
|
|
|
12 |
酸度 (mg/l) |
|
|
3 |
|
|
|
2 |
|
|
|
|
|
|
|
2 |
|
|
3 |
|
|
|
|
2 |
|
|
|
2 |
アルカリ度 (mg/l) |
|
|
16 |
|
|
|
28 |
|
|
|
|
|
|
|
30 |
|
|
27 |
|
|
|
|
35 |
|
|
|
27 |
アンチモン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ニッケル (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉄(2価) (mg/l) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
クロロホルム (mg/l) |
|
|
|
|
< 0.006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
トランス-1,2ジクロロエチレン (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,2-ジクロロプロパン (mg/l) |
|
|
|
|
< 0.006 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
p-ジクロロベンゼン (mg/l) |
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
イソキサチオン (mg/l) |
|
|
|
|
< 0.0008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ダイアジノン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
フェニトロチオン (mg/l) |
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
イソプロチオラン (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
オキシン銅 (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロロタロニル (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
プロピザミド (mg/l) |
|
|
|
|
< 0.0008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ジクロルボス (mg/l) |
|
|
|
|
< 0.0008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
フェノブカルブ (mg/l) |
|
|
|
|
< 0.002 |
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|
|
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|
|
|
|
|
|
|
|
|
|
|
|
イプロベンホス (mg/l) |
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|
< 0.0008 |
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|
クロルニトロフェン (mg/l) |
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< 0.0002 |
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|
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|
トルエン (mg/l) |
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< 0.06 |
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|
キシレン (mg/l) |
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< 0.004 |
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フタル酸ジエチルヘキシル (mg/l) |
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|
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< 0.006 |
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|
ほう素 (mg/l) |
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|
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< 0.1 |
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< 0.1 |
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|
モリブデン (mg/l) |
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|
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< 0.007 |
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|
硝酸性窒素及び亜硝酸性窒素 (mg/l) |
|
|
|
|
1.1 |
|
|
|
|
|
|
|
|
|
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|
0.8 |
|
|
|
|
|
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|
全マンガン (mg/l) |
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|
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0.44 |
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|
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|