Hitachiota

River

• Tokii Bridge Water Level Observatory, Yamada River Left Bank 6.8KP | Kume-cho, Hitachiota City, Ibaraki Prefecture | Hitachi River National Highway Office
• Okata, Asakawa River | Okata, Hitachiota City, Ibaraki Prefecture | River Division, Civil Engineering Department, Ibaraki Prefecture

Satokawa

• Hatasome Water Level Observatory, Satokawa River | Hatacho, Hitachiota City, Ibaraki Prefecture | Hitachi River National Highway Office
• Kosuge, Satokawa River | Kosuge-cho, Hitachiota City, Ibaraki Prefecture | Hitachi River National Highway Office
• Machiya, Satokawa River | Nishigoutoshimocho, Hitachiota City, Ibaraki Prefecture | River Division, Civil Engineering Department, Ibaraki Prefecture
• Satokawa River 6.5KP right bank | Tawatari-cho, Hitachiota City, Ibaraki Prefecture | Ministry of Land, Infrastructure, Transport and Tourism River Disaster Prevention Information

Kuji River

• Yamada River Confluence, Kuji River Left Bank 12.30KP | Awahara-cho, Hitachiota City, Ibaraki Prefecture | Hitachi River National Highway Office
• Sakiku Bridge, Kuji River Left Bank 11.8KP | Kamikawaicho, Hitachiota City, Ibaraki Prefecture | Hitachi River National Highway Office