_id	測定地点	年　度	平成29年度	30.0	令和元年度	2.0	3.0	基準値
1	住吉泊地	""	2	1.9	1.6999999999999999555910790149937383830547332763671875	1.399999999999999911182158029987476766109466552734375	1.600000000000000088817841970012523233890533447265625	8以下
2	乙津泊地	""	1.899999999999999911182158029987476766109466552734375	2.2	1.600000000000000088817841970012523233890533447265625	1.600000000000000088817841970012523233890533447265625	1.899999999999999911182158029987476766109466552734375	8以下
3	鶴崎泊地	""	2	1.9	1.5	1.5	1.8000000000000000444089209850062616169452667236328125	8以下
4	大分港	""	2.399999999999999911182158029987476766109466552734375	1.7	1.6999999999999999555910790149937383830547332763671875	2	1.5	3以下
5	大分港沖	""	1.899999999999999911182158029987476766109466552734375	2.0	1.5	1.399999999999999911182158029987476766109466552734375	1.600000000000000088817841970012523233890533447265625	3以下
6	日本製鉄地先	""	2	2.0	1.600000000000000088817841970012523233890533447265625	1.600000000000000088817841970012523233890533447265625	1.5	3以下
7	昭電地先	""	2.100000000000000088817841970012523233890533447265625	2.2	1.6999999999999999555910790149937383830547332763671875	1.399999999999999911182158029987476766109466552734375	1.5	3以下
8	高崎山沖	""	2.100000000000000088817841970012523233890533447265625	2.4	1.8000000000000000444089209850062616169452667236328125	1.3000000000000000444089209850062616169452667236328125	1.600000000000000088817841970012523233890533447265625	2以下
9	日本製鉄沖	""	1.8000000000000000444089209850062616169452667236328125	2.0	1.8000000000000000444089209850062616169452667236328125	1.399999999999999911182158029987476766109466552734375	1.600000000000000088817841970012523233890533447265625	2以下
10	別府湾東部	""	1.6999999999999999555910790149937383830547332763671875	1.4	1.600000000000000088817841970012523233890533447265625	1.6999999999999999555910790149937383830547332763671875	1.399999999999999911182158029987476766109466552734375	2以下
11	大在地先	""	1.8000000000000000444089209850062616169452667236328125	2.0	1.8000000000000000444089209850062616169452667236328125	1.5	1.8000000000000000444089209850062616169452667236328125	3以下
12	坂ノ市地先	""	1.6999999999999999555910790149937383830547332763671875	2.0	1.399999999999999911182158029987476766109466552734375	1.600000000000000088817841970012523233890533447265625	1.5	3以下
13	佐賀関港	""	1.899999999999999911182158029987476766109466552734375	1.5	1.3000000000000000444089209850062616169452667236328125	1.5	1.5	3以下
14	北海部群東部地先	""	1.399999999999999911182158029987476766109466552734375	1.5	1.3000000000000000444089209850062616169452667236328125	1.1999999999999999555910790149937383830547332763671875	1.1999999999999999555910790149937383830547332763671875	2以下
15	　資料　環境部環境対策課　　　　	""		（注）ＣＯＤは75％水質値。				""