urn:ngsi-v2:RiverPref:89RiverPref栃木県足利市大前町2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.393611,36.361111]}安足土木事務所10葉鹿89松田川利根川0.13
urn:ngsi-v2:RiverPref:1RiverPref栃木県芳賀郡益子町大字益子5472地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.082778,36.456111]}真岡土木事務所5鉄道橋下1小貝川利根川-0.17
urn:ngsi-v2:RiverPref:2RiverPref栃木県真岡市荒町荒町3-16-3地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.016944,36.441389]}真岡土木事務所5妹内橋2五行川利根川1.01
urn:ngsi-v2:RiverPref:3RiverPref栃木県芳賀郡芳賀町大字八ツ木1030-2地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.048056,36.601111]}真岡土木事務所5両郡橋3五行川利根川-0.07
urn:ngsi-v2:RiverPref:4RiverPref栃木県芳賀郡芳賀町大字西水沼293-11地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.025556,36.533056]}真岡土木事務所5監物橋4野元川利根川0.78
urn:ngsi-v2:RiverPref:5RiverPref栃木県河内郡上三川町大字梁450地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.889722,36.427778]}宇都宮土木事務所2明治橋5田川利根川0.77
urn:ngsi-v2:RiverPref:6RiverPref栃木県宇都宮市千波町8-5地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.893611,36.563056]}宇都宮土木事務所2東橋6田川利根川0.5
urn:ngsi-v2:RiverPref:7RiverPref栃木県河内郡上三川町大字上郷1372地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.923056,36.4425]}宇都宮土木事務所2道城橋7江川利根川0.8
urn:ngsi-v2:RiverPref:8RiverPref栃木県佐野市越名町1668-2地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.61,36.287222]}安足土木事務所10沼縁樋門8幹線水路利根川1.36
urn:ngsi-v2:RiverPref:9RiverPref栃木県日光市瀬川字坂ﾉ上458地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.674722,36.733056]}日光土木事務所4水郷橋9大谷川利根川-0.02
urn:ngsi-v2:RiverPref:10RiverPref栃木県宇都宮市戸祭町3039-2地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.874167,36.576389]}宇都宮土木事務所2兜橋10釜川利根川0.07
urn:ngsi-v2:RiverPref:11RiverPref栃木県日光市栗原334-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.713611,36.771389]}日光土木事務所4砥川橋11板穴川利根川-2.08
urn:ngsi-v2:RiverPref:12RiverPref栃木県小山市中央町1-2-16地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.798889,36.316389]}栃木土木事務所6観晃橋12思川利根川0.02
urn:ngsi-v2:RiverPref:13RiverPref栃木県栃木市柳原町195地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.787778,36.417222]}栃木土木事務所6保橋13思川利根川-0.79
urn:ngsi-v2:RiverPref:14RiverPref栃木県鹿沼市口粟野724-3地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.678889,36.516111]}鹿沼土木事務所3天満橋14思川利根川-0.95
urn:ngsi-v2:RiverPref:15RiverPref栃木県小山市南半田2194地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.808611,36.367222]}栃木土木事務所6姿川橋15姿川利根川-1.19
urn:ngsi-v2:RiverPref:16RiverPref栃木県下都賀郡壬生町大字安塚1712-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.832778,36.500278]}宇都宮土木事務所2淀橋16姿川利根川0.21
urn:ngsi-v2:RiverPref:17RiverPref栃木県鹿沼市深津1407-2地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.819722,36.543889]}鹿沼土木事務所3武子川橋17武子川利根川0.02
urn:ngsi-v2:RiverPref:18RiverPref栃木県下都賀郡壬生町大師町20-10地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.804722,36.43]}栃木土木事務所6東雲橋18黒川利根川0.02
urn:ngsi-v2:RiverPref:19RiverPref栃木県鹿沼市府中町194-5地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.754722,36.567778]}鹿沼土木事務所3府中橋19黒川利根川1.92
urn:ngsi-v2:RiverPref:20RiverPref栃木県鹿沼市下日向697地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.709444,36.561389]}鹿沼土木事務所3御幣岩橋20大芦川利根川-0.5
urn:ngsi-v2:RiverPref:21RiverPref栃木県栃木市入舟町1-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.732222,36.379722]}栃木土木事務所6倭橋21巴波川利根川-0.04
urn:ngsi-v2:RiverPref:22RiverPref栃木県栃木市大平町下皆川字町田987-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.712778,36.358889]}栃木土木事務所6大平橋上22永野川利根川0.04
urn:ngsi-v2:RiverPref:23RiverPref栃木県佐野市越名町433-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.609444,36.286389]}安足土木事務所10願成寺橋23三杉川利根川0.19
urn:ngsi-v2:RiverPref:24RiverPref栃木県佐野市大橋町2200地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.569167,36.313333]}安足土木事務所10大橋24秋山川利根川0.08
urn:ngsi-v2:RiverPref:25RiverPref栃木県佐野市免鳥町1010地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.541944,36.313611]}安足土木事務所10白旗橋25旗川利根川0.01
urn:ngsi-v2:RiverPref:26RiverPref栃木県足利市末広町50-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.474444,36.343333]}安足土木事務所10千歳橋26袋川那珂川0.06
urn:ngsi-v2:RiverPref:27RiverPref栃木県那須郡那須町大字高久甲596地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.065556,36.9775]}大田原土木事務所8晩翠橋27那珂川那珂川-0.09
urn:ngsi-v2:RiverPref:28RiverPref栃木県芳賀郡茂木町大字木幡59地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.159167,36.505]}真岡土木事務所5木幡大橋28逆川那珂川0.04
urn:ngsi-v2:RiverPref:29RiverPref栃木県芳賀郡市貝町大字竹内448地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.14,36.619444]}烏山土木事務所9荒川橋29荒川那珂川0.21
urn:ngsi-v2:RiverPref:30RiverPref栃木県さくら市喜連川2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.022778,36.715278]}矢板土木事務所7連城橋30荒川那珂川0.1
urn:ngsi-v2:RiverPref:31RiverPref栃木県矢板市本町252-2地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.922222,36.808056]}矢板土木事務所7京町橋31内川那珂川-0.41
urn:ngsi-v2:RiverPref:32RiverPref栃木県大田原市佐良土字下河原4295地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.122778,36.785278]}大田原土木事務所8箒橋32箒川那珂川0.31
urn:ngsi-v2:RiverPref:33RiverPref栃木県大田原市中田原832地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.033611,36.871944]}大田原土木事務所8蛇尾橋33蛇尾川那珂川0.98
urn:ngsi-v2:RiverPref:34RiverPref栃木県那須郡那須町大字稲沢字沓掛834地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.138333,36.942778]}大田原土木事務所8稲沢睦橋34余笹川那珂川0.07
urn:ngsi-v2:RiverPref:35RiverPref栃木県那須郡那珂川町馬頭字南町345地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.170833,36.734444]}烏山土木事務所9古館橋下35武茂川那珂川-0.18
urn:ngsi-v2:RiverPref:36RiverPref栃木県那須郡那須町大字伊王野字大秋津219-2地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.143056,36.956667]}大田原土木事務所8新田橋36黒川那珂川0.29
urn:ngsi-v2:RiverPref:37RiverPref栃木県大田原市戸野内31-3地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.032222,36.897778]}大田原土木事務所8熊川橋37熊川那珂川0
urn:ngsi-v2:RiverPref:38RiverPref栃木県宇都宮市下横倉町389-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.860278,36.636389]}宇都宮土木事務所2桜橋38田川利根川-0.26
urn:ngsi-v2:RiverPref:39RiverPref栃木県日光市佐下部字下平38-1地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.694722,36.772778]}日光土木事務所4佐下部橋39砥川利根川0.76
urn:ngsi-v2:RiverPref:40RiverPref栃木県栃木市大久保町380地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.660833,36.44]}栃木土木事務所6永倉橋40永野川利根川0
urn:ngsi-v2:RiverPref:41RiverPref栃木県さくら市氏家2730地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.968333,36.685833]}矢板土木事務所7氏家体育館脇41五行川利根川0.34
urn:ngsi-v2:RiverPref:42RiverPref栃木県那須塩原市中内186-3地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.983611,36.956944]}大田原土木事務所8中内橋42熊川那珂川0
urn:ngsi-v2:RiverPref:43RiverPref栃木県那須郡那須町寺子乙字東谷2549-12地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.110833,37.018333]}大田原土木事務所8中余笹橋43余笹川那珂川-0.81
urn:ngsi-v2:RiverPref:44RiverPref栃木県那須郡那須町大字豊原乙2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.140556,37.103611]}大田原土木事務所8栃福橋44黒川那珂川-0.4
urn:ngsi-v2:RiverPref:45RiverPref栃木県佐野市葛生西2375-22026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.605278,36.409444]}安足土木事務所10葛生大橋45秋山川利根川-0.07
urn:ngsi-v2:RiverPref:46RiverPref栃木県足利市島田町字柳下152026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.451944,36.293611]}安足土木事務所10後河原橋46矢場川利根川0.73
urn:ngsi-v2:RiverPref:47RiverPref栃木県足利市久保田町字久分125-62026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.497778,36.283611]}安足土木事務所10久野橋47姥川利根川-0.79
urn:ngsi-v2:RiverPref:48RiverPref栃木県塩谷郡塩谷町大字下寺島地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.845278,36.798333]}矢板土木事務所7落合橋48荒川那珂川1.29
urn:ngsi-v2:RiverPref:49RiverPref栃木県さくら市松島地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.973056,36.73]}矢板土木事務所7松島橋49荒川那珂川-0.5
urn:ngsi-v2:RiverPref:50RiverPref栃木県矢板市木幡地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.932222,36.779167]}矢板土木事務所7内川橋50内川那珂川-0.21
urn:ngsi-v2:RiverPref:51RiverPref栃木県大田原市佐久山地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.008889,36.811389]}矢板土木事務所7佐久山51箒川那珂川0.34
urn:ngsi-v2:RiverPref:52RiverPref栃木県那須塩原市金沢地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.893889,36.938889]}矢板土木事務所7和田山52箒川那珂川0.92
urn:ngsi-v2:RiverPref:53RiverPref栃木県那須烏山市高瀬地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.1075,36.65]}矢板土木事務所7森田53荒川那珂川0.62
urn:ngsi-v2:RiverPref:54RiverPref栃木県大田原市福原地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.056389,36.810556]}矢板土木事務所7福原54箒川那珂川1.18
urn:ngsi-v2:RiverPref:55RiverPref栃木県塩谷郡塩谷町大字上寺島地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.841667,36.808889]}矢板土木事務所7東荒川55東荒川那珂川0.61
urn:ngsi-v2:RiverPref:56RiverPref栃木県矢板市長井地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.870833,36.841111]}矢板土木事務所7長井56宮川那珂川0.55
urn:ngsi-v2:RiverPref:57RiverPref栃木県さくら市喜連川地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[140.031944,36.717222]}矢板土木事務所7旭橋57内川那珂川-0.17
urn:ngsi-v2:RiverPref:58RiverPref栃木県那須塩原市塩原地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.850556,36.965]}矢板土木事務所7夕の原58箒川那珂川0.41
urn:ngsi-v2:RiverPref:59RiverPref栃木県塩谷郡塩谷町大字上寺島地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.784444,36.822778]}矢板土木事務所7東古屋59西荒川那珂川-0.05
urn:ngsi-v2:RiverPref:60RiverPref栃木県塩谷郡塩谷町大字上寺島地先2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.825556,36.856111]}矢板土木事務所7尚仁沢60尚仁沢川那珂川0.32
urn:ngsi-v2:RiverPref:84RiverPref栃木県日光市湯西川字湯平993番地2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.593056,36.958889]}日光土木事務所4湯平橋84湯西川利根川0.51
urn:ngsi-v2:RiverPref:85RiverPref栃木県日光市中宮祠2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.449444,36.754167]}日光土木事務所4菖蒲ヶ浜85湯川利根川0
urn:ngsi-v2:RiverPref:86RiverPref栃木県日光市山内2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.597222,36.753056]}日光土木事務所4神橋86大谷川利根川0.38
urn:ngsi-v2:RiverPref:88RiverPref栃木県足利市松田二丁目2026-06-02T15:50:00.000Z{"type":"Point","coordinates":[139.431389,36.396389]}安足土木事務所10松田88松田川利根川0