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 |
2008.04.23 |
2008.04.28 |
2008.05.07 |
2008.05.28 |
2008.06.08 |
2008.06.18 |
2008.07.02 |
2008.07.31 |
2008.08.11 |
2008.08.11 |
2008.08.11 |
2008.08.11 |
2008.08.29 |
2008.09.10 |
2008.09.24 |
2008.10.01 |
2008.10.15 |
2008.11.05 |
2008.11.19 |
2008.12.03 |
2008.12.17 |
2009.01.14 |
2009.01.21 |
2009.02.03 |
2009.02.18 |
2009.03.11 |
2009.03.18 |
採取時刻 |
1310 |
1230 |
1255 |
1230 |
1226 |
1310 |
1305 |
1455 |
0000 |
0600 |
1200 |
1800 |
1245 |
1300 |
1409 |
1210 |
1350 |
1326 |
1400 |
1305 |
1150 |
1300 |
1210 |
1230 |
1310 |
1250 |
1310 |
天候 |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
気温 (℃) |
19.5 |
12.4 |
24 |
15.9 |
27.2 |
22.2 |
25.6 |
25.2 |
21.3 |
21 |
28.5 |
24.3 |
25.5 |
25.9 |
20.9 |
23.4 |
20.5 |
15.6 |
6.7 |
11.9 |
10.7 |
4.7 |
6.0 |
6.7 |
3.3 |
1.2 |
14.6 |
水温 (℃) |
13 |
11.5 |
14.5 |
14.1 |
20 |
20.2 |
22.3 |
22 |
22 |
23 |
24.5 |
23 |
21.4 |
21 |
20 |
17.8 |
18.2 |
10.5 |
8.4 |
7.6 |
5.4 |
3.0 |
3.0 |
3.2 |
4.5 |
4.5 |
7.0 |
流量 (m3/s) |
385.05 |
255.11 |
232.71 |
246.84 |
265.63 |
185.64 |
124.27 |
374.89 |
109.73 |
109.73 |
109.73 |
88.48 |
825.64 |
282.82 |
168.2 |
151.98 |
118.87 |
170.06 |
115.78 |
266.3 |
239.12 |
193.09 |
219.69 |
203.12 |
345.92 |
384.02 |
445.66 |
採取水深 (m) |
0.96 |
0.88 |
0.94 |
0.72 |
0.96 |
0.8 |
0.74 |
1 |
0.72 |
0.72 |
0.68 |
0.66 |
1.08 |
0.96 |
0.74 |
0.74 |
0.68 |
0.74 |
0.68 |
0.8 |
0.82 |
0.8 |
0.84 |
0.84 |
0.94 |
0.96 |
1.02 |
全水深 (m) |
4.8 |
4.4 |
4.7 |
3.6 |
4.8 |
4 |
3.7 |
5 |
3.6 |
3.6 |
3.4 |
3.3 |
5.4 |
4.8 |
3.7 |
3.7 |
3.4 |
3.7 |
3.4 |
4 |
4.1 |
4.0 |
4.2 |
4.2 |
4.7 |
4.8 |
5.1 |
外観 |
茶色 |
白濁 |
微茶濁 |
白濁 |
微茶濁 |
無色澄明 |
微茶濁 |
茶色 |
茶色 |
無色澄明 |
無色澄明 |
無色澄明 |
微茶濁 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
無色澄明 |
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 |
pH |
7.3 |
7.1 |
7.1 |
7.4 |
7.4 |
7.6 |
7.6 |
7.5 |
7.6 |
7.6 |
7.8 |
7.5 |
7.4 |
7.5 |
7.7 |
7.8 |
7.9 |
7.5 |
7.4 |
7.5 |
7.4 |
7.5 |
7.3 |
7.5 |
7.5 |
7.3 |
7.2 |
DO (mg/l) |
10 |
10 |
9.7 |
9.5 |
9.4 |
9.4 |
8.6 |
8.6 |
8.4 |
8.2 |
8.5 |
8.6 |
8.6 |
8.9 |
9.2 |
10 |
10 |
10 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
12 |
12 |
BOD (mg/l) |
1.1 |
1.1 |
1.4 |
0.9 |
1.1 |
1.4 |
1.6 |
1.6 |
1.3 |
1.2 |
1.2 |
1.2 |
1.8 |
1.1 |
0.7 |
1.0 |
1.1 |
1.1 |
0.7 |
1.0 |
0.5 |
0.7 |
1.1 |
1.2 |
0.8 |
1.0 |
0.9 |
COD (mg/l) |
2.1 |
|
2.9 |
|
3.3 |
|
|
3.9 |
|
|
2.9 |
|
|
2.8 |
|
2.5 |
|
3.1 |
|
2.5 |
|
2.0 |
|
|
2.2 |
2.2 |
|
SS (mg/l) |
12 |
13 |
16 |
13 |
5.0 |
8.0 |
5.0 |
8.0 |
10 |
4.0 |
4.0 |
3.0 |
37 |
6.0 |
1.0 |
2.0 |
4.0 |
9.0 |
3.0 |
8.0 |
4.0 |
4 |
5 |
3 |
7 |
6 |
7 |
大腸菌群数 (MPN/100ml) |
4.9E+02 |
7.9E+02 |
3.3E+03 |
3.3E+03 |
7.9E+03 |
2.3E+02 |
2.4E+03 |
7.9E+03 |
1.7E+02 |
1.7E+02 |
3.3E+02 |
1.1E+02 |
1.7E+04 |
7.9E+03 |
3.3E+03 |
1.3E+02 |
1.7E+03 |
7.9E+02 |
7.9E+02 |
4.9E+02 |
7.0E+01 |
1.3E+02 |
2.4E+02 |
4.9E+02 |
3.3E+02 |
3.3E+02 |
2.4E+03 |
全窒素 (mg/l) |
|
|
0.99 |
|
|
|
|
0.91 |
|
|
|
|
|
1.1 |
|
|
|
1.1 |
|
|
|
0.91 |
|
|
|
0.96 |
|
全燐 (mg/l) |
|
|
0.085 |
|
|
|
|
0.061 |
|
|
|
|
|
0.045 |
|
|
|
0.061 |
|
|
|
0.020 |
|
|
|
0.025 |
|
全亜鉛 (mg/l) |
< 0.005 |
|
0.007 |
|
0.006 |
|
|
0.006 |
|
|
0.007 |
|
|
0.007 |
|
0.005 |
|
0.008 |
|
0.005 |
|
< 0.005 |
|
|
0.008 |
< 0.005 |
|
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) |
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
フェノール類 (mg/l) |
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
0.2 |
|
|
|
|
0.1 |
|
|
|
|
|
< 0.1 |
|
|
|
0.1 |
|
|
|
< 0.1 |
|
|
|
0.1 |
|
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 |
57 |
66 |
48 |
64 |
93 |
> 100 |
92 |
57 |
67 |
> 100 |
> 100 |
> 100 |
45 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
95 |
> 100 |
> 100 |
塩化物イオン (mg/l) |
|
|
9 |
|
|
|
|
7 |
|
|
|
|
|
8 |
|
|
|
10 |
|
|
|
11 |
|
|
|
9 |
|
硫酸イオン (mg/l) |
|
|
15 |
|
|
|
|
13 |
|
|
|
|
|
17 |
|
|
|
18 |
|
|
|
16 |
|
|
|
14 |
|
酸度 (mg/l) |
|
|
3.4 |
|
|
|
|
2.6 |
|
|
|
|
|
3.6 |
|
|
|
2.6 |
|
|
|
2 |
|
|
|
2 |
|
アルカリ度 (mg/l) |
|
|
19 |
|
|
|
|
30 |
|
|
|
|
|
32 |
|
|
|
32 |
|
|
|
28 |
|
|
|
26 |
|
アンチモン (mg/l) |
|
|
|
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ニッケル (mg/l) |
|
|
|
|
|
|
|
0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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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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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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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< 0.006 |
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ほう素 (mg/l) |
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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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< 0.007 |
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硝酸性窒素及び亜硝酸性窒素 (mg/l) |
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0.58 |
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0.8 |
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ホルムアルデヒド (mg/l) |
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< 0.003 |
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塩化ビニルモノマー (mg/l) |
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< 0.0002 |
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エピクロロヒドリン (mg/l) |
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< 0.00003 |
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1,4-ジオキサン (mg/l) |
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< 0.005 |
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ウラン (mg/l) |
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< 0.0002 |
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全マンガン (mg/l) |
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0.01 |
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