_id	河川名	環境基準地点名	類型	昭和63年度	平成元年度	２年度	３年度	４年度
1	宇治川(1)	隠元橋	Ａ	1.8000000000000000444089209850062616169452667236328125	1.399999999999999911182158029987476766109466552734375	1.4	1.3000000000000000444089209850062616169452667236328125	1.3000000000000000444089209850062616169452667236328125
2	宇治川(2)	淀川御幸橋	Ｂ	2.29999999999999982236431605997495353221893310546875	1.899999999999999911182158029987476766109466552734375	2.0	1.8000000000000000444089209850062616169452667236328125	1.6999999999999999555910790149937383830547332763671875
3	桂川上流	渡月橋	Ａ	0.8000000000000000444089209850062616169452667236328125	0.90000000000000002220446049250313080847263336181640625	1.0	0.90000000000000002220446049250313080847263336181640625	0.90000000000000002220446049250313080847263336181640625
4	桂川下流(1)	西大橋	Ｂ	3.100000000000000088817841970012523233890533447265625	2.70000000000000017763568394002504646778106689453125	2.4	1.899999999999999911182158029987476766109466552734375	1.8000000000000000444089209850062616169452667236328125
5	桂川下流(2)	宮前橋	Ｄ	4.5	4.9000000000000003552713678800500929355621337890625	3.8	3.20000000000000017763568394002504646778106689453125	2.600000000000000088817841970012523233890533447265625
6	鴨川上流(1)	出町橋	Ａ	0.90000000000000002220446049250313080847263336181640625	1	0.9	1.100000000000000088817841970012523233890533447265625	0.8000000000000000444089209850062616169452667236328125
7	鴨川上流(2)	三条大橋	Ｂ	1	1.100000000000000088817841970012523233890533447265625	0.9	1.100000000000000088817841970012523233890533447265625	0.8000000000000000444089209850062616169452667236328125
8	鴨川下流	京川橋	Ｄ	8.5999999999999996447286321199499070644378662109375	5.4000000000000003552713678800500929355621337890625	2.6	3.79999999999999982236431605997495353221893310546875	4.9000000000000003552713678800500929355621337890625
9	木津川(2)	笹瀬橋	Ａ	2	2.100000000000000088817841970012523233890533447265625	2.2	1.600000000000000088817841970012523233890533447265625	1.899999999999999911182158029987476766109466552734375
10	木津川(3)	恭仁大橋	Ａ	1.6999999999999999555910790149937383830547332763671875	1.8000000000000000444089209850062616169452667236328125	1.8	1.3000000000000000444089209850062616169452667236328125	1
11	""	玉水橋	Ａ	1.5	1.6999999999999999555910790149937383830547332763671875	1.5	1.100000000000000088817841970012523233890533447265625	1.100000000000000088817841970012523233890533447265625
12	""	木津川御幸橋	Ａ	1.899999999999999911182158029987476766109466552734375	1.3000000000000000444089209850062616169452667236328125	1.8	1.3000000000000000444089209850062616169452667236328125	1.1999999999999999555910790149937383830547332763671875
13	由良川上流	安野橋	ＡＡ	0.5	0.59999999999999997779553950749686919152736663818359375	0.5	0.5	0.6999999999999999555910790149937383830547332763671875
14	由良川下流	山家橋	Ａ	0.8000000000000000444089209850062616169452667236328125	0.6999999999999999555910790149937383830547332763671875	0.7	0.6999999999999999555910790149937383830547332763671875	0.8000000000000000444089209850062616169452667236328125
15	""	以久田橋	Ａ	0.6999999999999999555910790149937383830547332763671875	0.8000000000000000444089209850062616169452667236328125	0.7	0.59999999999999997779553950749686919152736663818359375	0.6999999999999999555910790149937383830547332763671875
16	""	音無瀬橋	Ａ	0.6999999999999999555910790149937383830547332763671875	0.8000000000000000444089209850062616169452667236328125	0.8	0.6999999999999999555910790149937383830547332763671875	0.6999999999999999555910790149937383830547332763671875
17	""	波美橋	Ａ	0.6999999999999999555910790149937383830547332763671875	0.8000000000000000444089209850062616169452667236328125	0.8	0.6999999999999999555910790149937383830547332763671875	0.90000000000000002220446049250313080847263336181640625
18	""	由良川橋	Ａ	0.6999999999999999555910790149937383830547332763671875	0.6999999999999999555910790149937383830547332763671875	0.8	0.59999999999999997779553950749686919152736663818359375	0.8000000000000000444089209850062616169452667236328125
19	野田川	六反田橋	Ａ	0.8000000000000000444089209850062616169452667236328125	1.600000000000000088817841970012523233890533447265625	1.2	1.399999999999999911182158029987476766109466552734375	1.600000000000000088817841970012523233890533447265625
20	""	堂谷橋	Ａ	1.1999999999999999555910790149937383830547332763671875	1.5	1.7	1.8000000000000000444089209850062616169452667236328125	2
21	竹野川	荒木野橋	Ｂ	1.3000000000000000444089209850062616169452667236328125	1.5	1.8	1.5	1.899999999999999911182158029987476766109466552734375
22	小畑川上流	京都市・長岡京市境界点	Ｃ	4.5	4.5	4.1	3.399999999999999911182158029987476766109466552734375	4.29999999999999982236431605997495353221893310546875
23	小畑川下流	小畑橋	Ｅ	7.4000000000000003552713678800500929355621337890625	6.5	6.2	4.70000000000000017763568394002504646778106689453125	4.5
24	大谷川	橋本樋門	Ｅ	7.79999999999999982236431605997495353221893310546875	7.5999999999999996447286321199499070644378662109375	-	3.79999999999999982236431605997495353221893310546875	0.59999999999999997779553950749686919152736663818359375
25	高野川上流	三宅橋	ＡＡ	0.5	0.59999999999999997779553950749686919152736663818359375	0.6	0.5	0.5
26	高野川下流	河合橋	Ｃ	1.1999999999999999555910790149937383830547332763671875	1.399999999999999911182158029987476766109466552734375	1.2	1.1999999999999999555910790149937383830547332763671875	0.90000000000000002220446049250313080847263336181640625
27	清滝川	落合橋	ＡＡ	0.5	0.5	0.5	0.5	0.5
28	　注１　数値は年度平均値。	""	""			""		
29	　　２　大谷川（橋本樋門）の３～４年度値は長期間欠測のための参考値である。	""	""			""		
30	　資料：府環境対策室（公共用水域水質測定結果）	""	""			""		
31	""	""	""			""		
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33	""	""	""			""