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 |
2007.04.17 |
2007.04.26 |
2007.05.10 |
2007.05.16 |
2007.06.03 |
2007.06.20 |
2007.07.04 |
2007.07.18 |
2007.08.01 |
2007.08.01 |
2007.08.01 |
2007.08.01 |
2007.08.21 |
2007.09.05 |
2007.09.25 |
2007.10.03 |
2007.10.17 |
2007.11.07 |
2007.11.21 |
2007.12.05 |
2007.12.19 |
2008.01.16 |
2008.01.23 |
2008.02.13 |
2008.02.20 |
2008.03.12 |
2008.03.19 |
採取時刻 |
1230 |
1300 |
1220 |
1230 |
1120 |
1210 |
1210 |
1150 |
0000 |
0600 |
1200 |
1800 |
1205 |
1235 |
1450 |
1250 |
1310 |
1315 |
1230 |
1445 |
1150 |
1240 |
1210 |
1245 |
1220 |
1220 |
1205 |
天候 |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
気温 (℃) |
15 |
13.8 |
16 |
21 |
20.8 |
26.2 |
20.2 |
20.1 |
19.5 |
20.1 |
28 |
26.8 |
30.5 |
28.6 |
21.3 |
24.2 |
18.3 |
16 |
4.8 |
3.8 |
3.2 |
1.8 |
1.2 |
-2 |
7.7 |
8.5 |
11.2 |
水温 (℃) |
8 |
10.1 |
13 |
13.5 |
17.4 |
22.8 |
19.4 |
18.5 |
21.9 |
22 |
23.2 |
23.2 |
25 |
23.8 |
18.7 |
18.7 |
14.9 |
12 |
7.4 |
4.9 |
4.5 |
2.3 |
2.3 |
1.8 |
4 |
5.5 |
7.2 |
流量 (m3/s) |
425.37 |
636.82 |
415.21 |
322.22 |
270.93 |
183.35 |
262.81 |
252.84 |
118.53 |
137.7 |
148.62 |
127.2 |
147.03 |
228.87 |
392.77 |
201.98 |
140.78 |
155.04 |
362.37 |
194.63 |
211.35 |
196.46 |
163.27 |
136.17 |
137.7 |
350.07 |
427.08 |
採取水深 (m) |
0.84 |
1.02 |
0.84 |
0.74 |
0.7 |
0.6 |
0.84 |
0.83 |
0.69 |
0.71 |
0.72 |
0.68 |
0.78 |
0.8 |
0.93 |
0.78 |
0.71 |
0.73 |
0.92 |
0.78 |
0.81 |
0.78 |
0.75 |
0.68 |
0.7 |
0.92 |
0.96 |
全水深 (m) |
4.2 |
5.1 |
4.2 |
3.7 |
3.5 |
3 |
4.2 |
4.16 |
3.45 |
3.55 |
3.6 |
3.4 |
3.9 |
4 |
4.65 |
3.9 |
3.55 |
3.63 |
4.6 |
3.89 |
4.05 |
3.9 |
3.75 |
3.4 |
3.5 |
4.6 |
4.8 |
外観 |
無色澄明 |
微白濁 |
微白濁 |
微白濁 |
無色澄明 |
無色澄明 |
茶色 |
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 |
微白濁 |
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 |
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 |
7.2 |
7.2 |
7.2 |
7.4 |
7.6 |
7.5 |
7.5 |
7.6 |
7.6 |
7.7 |
7.8 |
7.6 |
7.5 |
7.4 |
7.6 |
7.6 |
7.4 |
7.4 |
7.6 |
7.4 |
7.4 |
7.4 |
7.7 |
7.4 |
7.2 |
7.4 |
DO (mg/l) |
11 |
11 |
10 |
10 |
9.3 |
9.1 |
8.6 |
9.2 |
8.8 |
8.5 |
8.8 |
8.9 |
8.2 |
8.3 |
9.0 |
9.3 |
11 |
11 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
12 |
12 |
BOD (mg/l) |
0.8 |
1.3 |
1.3 |
1.2 |
1.4 |
1.2 |
1.2 |
1.3 |
1.4 |
1.3 |
1.4 |
1.4 |
1.2 |
1.1 |
0.9 |
0.8 |
1.3 |
1.0 |
1.0 |
0.8 |
0.9 |
0.7 |
1.1 |
1.0 |
1.2 |
1.3 |
0.9 |
COD (mg/l) |
2.0 |
|
|
2.9 |
2.7 |
|
4.2 |
|
|
|
3.1 |
|
|
2.9 |
|
1.9 |
|
2.3 |
|
2.1 |
|
1.8 |
|
2.3 |
|
2.9 |
|
SS (mg/l) |
5 |
8 |
10 |
10 |
5 |
4 |
11 |
6 |
5 |
4 |
5 |
4 |
7 |
5 |
13 |
7 |
1 |
4 |
11 |
5 |
3 |
3 |
3 |
2 |
2 |
13 |
7 |
大腸菌群数 (MPN/100ml) |
790 |
1100 |
2400 |
1300 |
790 |
110 |
2400 |
1100 |
790 |
1700 |
4900 |
4900 |
490 |
24000 |
7900 |
1100 |
790 |
790 |
2400 |
490 |
1700 |
4900 |
2400 |
490 |
790 |
1300 |
790 |
全窒素 (mg/l) |
|
|
|
0.90 |
|
|
1.0 |
|
|
|
|
|
|
0.85 |
|
|
|
0.97 |
|
|
|
1.1 |
|
|
|
1.0 |
|
全燐 (mg/l) |
|
|
|
0.073 |
|
|
0.074 |
|
|
|
|
|
|
0.056 |
|
|
|
0.033 |
|
|
|
0.070 |
|
|
|
0.076 |
|
全亜鉛 (mg/l) |
0.011 |
|
|
0.007 |
< 0.005 |
|
0.006 |
|
|
|
0.006 |
|
|
0.005 |
|
< 0.005 |
|
< 0.005 |
|
0.006 |
|
0.007 |
|
0.006 |
|
0.007 |
|
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 |
> 100 |
84 |
35 |
49 |
> 100 |
> 100 |
65 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
84 |
> 100 |
53 |
> 100 |
> 100 |
> 100 |
82 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
95 |
> 100 |
塩化物イオン (mg/l) |
|
|
|
7 |
|
|
8 |
|
|
|
|
|
|
8 |
|
|
|
10 |
|
|
|
11 |
|
|
|
11 |
|
硫酸イオン (mg/l) |
|
|
|
12 |
|
|
13 |
|
|
|
|
|
|
13 |
|
|
|
18 |
|
|
|
16 |
|
|
|
15 |
|
酸度 (mg/l) |
|
|
|
3 |
|
|
3 |
|
|
|
|
|
|
3 |
|
|
|
3 |
|
|
|
3 |
|
|
|
4 |
|
アルカリ度 (mg/l) |
|
|
|
19 |
|
|
31 |
|
|
|
|
|
|
31 |
|
|
|
34 |
|
|
|
29 |
|
|
|
25 |
|
アンチモン (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
イプロベンホス (mg/l) |
|
|
|
|
< 0.0008 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
クロルニトロフェン (mg/l) |
|
|
|
|
< 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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0.51 |
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0.76 |
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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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0.08 |
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