測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
01951 |
北上川(4) |
金ヶ崎橋 |
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 |
1005 |
1040 |
0955 |
1015 |
1005 |
0950 |
1025 |
0940 |
0000 |
0600 |
1200 |
1800 |
1000 |
0952 |
1240 |
1005 |
0950 |
1013 |
0950 |
1045 |
0950 |
1025 |
1005 |
1045 |
1005 |
0956 |
0955 |
天候 |
曇り |
曇り |
曇り |
晴れ |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
雪 |
曇り |
晴れ |
曇り |
雪 |
曇り |
晴れ |
晴れ |
気温 (℃) |
9.1 |
12.5 |
18 |
20.7 |
17.5 |
24 |
20 |
18.3 |
18 |
18.2 |
27 |
27 |
23.3 |
28.8 |
24.7 |
19 |
14.4 |
14 |
2.4 |
0.8 |
-0.1 |
-0.7 |
-0.5 |
-4.5 |
2.5 |
5.8 |
9.3 |
水温 (℃) |
7.8 |
8.9 |
12.4 |
12.8 |
16.5 |
21.5 |
19.7 |
18.2 |
21.2 |
20 |
23 |
24.2 |
22.8 |
22.2 |
18.2 |
17.5 |
13.7 |
10.5 |
7.7 |
4.8 |
3.7 |
1.8 |
3 |
1 |
3.2 |
4.4 |
5.7 |
流量 (m3/s) |
392.73 |
639.86 |
349.3 |
280.77 |
183.17 |
146.02 |
183.17 |
162.01 |
136.24 |
118.22 |
98.28 |
108.02 |
121.72 |
151.58 |
457.64 |
|
151.58 |
|
344.02 |
|
197.98 |
|
184.71 |
|
167.74 |
|
|
採取水深 (m) |
1.15 |
0.9 |
0.77 |
0.72 |
0.73 |
0.69 |
0.75 |
0.7 |
0.69 |
0.68 |
0.67 |
0.68 |
0.72 |
0.72 |
0.82 |
0.74 |
0.67 |
0.69 |
0.75 |
0.7 |
0.7 |
0.68 |
0.69 |
0.66 |
0.68 |
0.76 |
0.77 |
全水深 (m) |
5.73 |
4.5 |
3.85 |
3.61 |
3.66 |
3.47 |
3.77 |
3.52 |
3.45 |
3.4 |
3.35 |
3.38 |
3.58 |
3.6 |
4.1 |
3.69 |
3.35 |
3.44 |
3.75 |
3.48 |
3.5 |
3.4 |
3.45 |
3.3 |
3.4 |
3.82 |
3.85 |
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 |
微白濁 |
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 |
無色澄明 |
微白濁 |
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 |
7.1 |
7.2 |
7.4 |
7.5 |
7.5 |
7.4 |
7.5 |
7.5 |
7.6 |
7.7 |
7.5 |
7.5 |
7.3 |
7.5 |
7.5 |
7.3 |
7.3 |
7.5 |
7.3 |
7.3 |
7.3 |
7.4 |
7.3 |
7.3 |
7.4 |
DO (mg/l) |
12 |
11 |
10 |
10 |
9.6 |
9.5 |
8.8 |
9.2 |
8.7 |
8.4 |
9.6 |
9.4 |
8.5 |
8.6 |
9.3 |
9.6 |
10 |
11 |
11 |
12 |
12 |
13 |
13 |
13 |
13 |
13 |
12 |
BOD (mg/l) |
0.8 |
1.3 |
1.4 |
1.0 |
1.4 |
1.4 |
1.2 |
1.2 |
1.5 |
1.5 |
1.4 |
1.3 |
1.3 |
1.1 |
0.7 |
0.7 |
1.2 |
1.0 |
1.3 |
0.9 |
0.9 |
0.8 |
1.1 |
1.1 |
1.2 |
1.1 |
0.7 |
COD (mg/l) |
2.0 |
|
|
2.7 |
2.8 |
|
4.2 |
|
|
|
3.4 |
|
|
2.8 |
|
1.7 |
|
2.3 |
|
2.3 |
|
2.0 |
|
2.3 |
|
2.5 |
|
SS (mg/l) |
4 |
7 |
8 |
8 |
4 |
7 |
11 |
4 |
6 |
6 |
4 |
4 |
6 |
4 |
9 |
4 |
1 |
2 |
10 |
2 |
2 |
3 |
3 |
2 |
2 |
10 |
6 |
大腸菌群数 (MPN/100ml) |
790 |
3300 |
1700 |
490 |
7900 |
3300 |
3300 |
790 |
7900 |
4900 |
3300 |
3300 |
790 |
7900 |
4900 |
1700 |
7900 |
2400 |
3300 |
2400 |
3300 |
7900 |
1700 |
330 |
790 |
1700 |
790 |
全窒素 (mg/l) |
|
|
|
0.93 |
|
|
1.3 |
|
|
|
|
|
|
0.93 |
|
|
|
0.96 |
|
|
|
1.4 |
|
|
|
1.1 |
|
全燐 (mg/l) |
|
|
|
0.069 |
|
|
0.084 |
|
|
|
|
|
|
0.049 |
|
|
|
0.045 |
|
|
|
0.055 |
|
|
|
0.064 |
|
全亜鉛 (mg/l) |
0.007 |
|
|
0.007 |
< 0.005 |
|
0.006 |
|
|
|
0.005 |
|
|
0.007 |
|
0.007 |
|
0.009 |
|
0.005 |
|
0.008 |
|
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 |
|
|
|
|
|
|
|
|
|
ベンゼン (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
フェノール類 (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
鉄(溶解性) (mg/l) |
|
|
|
0.3 |
|
|
0.2 |
|
|
|
|
|
|
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 |
74 |
38 |
57 |
> 100 |
> 100 |
57 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
87 |
> 100 |
48 |
56 |
> 100 |
> 100 |
81 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
> 100 |
82 |
塩化物イオン (mg/l) |
|
|
|
7 |
|
|
8 |
|
|
|
|
|
|
8 |
|
|
|
9 |
|
|
|
10 |
|
|
|
10 |
|
硫酸イオン (mg/l) |
|
|
|
12 |
|
|
14 |
|
|
|
|
|
|
14 |
|
|
|
15 |
|
|
|
16 |
|
|
|
18 |
|
酸度 (mg/l) |
|
|
|
3 |
|
|
3 |
|
|
|
|
|
|
2 |
|
|
|
4 |
|
|
|
3 |
|
|
|
4 |
|
アルカリ度 (mg/l) |
|
|
|
18 |
|
|
31 |
|
|
|
|
|
|
29 |
|
|
|
30 |
|
|
|
32 |
|
|
|
27 |
|
アンチモン (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ニッケル (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
トリハロメタン生成能 (mg/l) |
|
|
|
|
0.040 |
|
|
|
|
|
|
|
|
0.037 |
|
|
|
0.021 |
|
|
|
|
|
0.025 |
|
|
|
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 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
トルエン (mg/l) |
|
|
|
|
< 0.06 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
キシレン (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
フタル酸ジエチルヘキシル (mg/l) |
|
|
|
|
< 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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0.76 |
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0.72 |
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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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< 0.05 |
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