天ヶ瀬ダム(あまがせだむ)
水系
淀川
河川
宇治川
管理者
淀川ダム統合管理事務所
所在地
京都府宇治市槇島町槇尾山
目的
FWP
型式
アーチ
洪水調節方式
その他
堤高(m)
73.0
堤頂長(m)
254.0
堤体積(千m3)
122.0
最低水位
(m)
(m)
58.00
平常時
最高貯水位(m)
最高貯水位(m)
78.50
洪水時
最高水位(m)
最高水位(m)
78.50
緊急放流(異常洪水時防災操作)
判断水位(m)
判断水位(m)
76.00
設計
最高水位(m)
最高水位(m)
-
予備放流水位
(06/16~10/16)(m)
(06/16~10/16)(m)
58.00
洪水貯留準備水位
(06/16~10/15)(m)
(06/16~10/15)(m)
72.00
洪水貯留操作開始流量
(m3/s)
(m3/s)
1,140.00
計画最大放流量
(m3/s)
(m3/s)
1,140.00
流域面積
(km2)
(km2)
352.00
雨量観測所情報
現在の状況(2026/09/29 11:20)
貯水位
!!69.16
m
全流入量
!!67.83
m³/s
全放流量
!!55.93
m³/s
10分雨量
!!!0.40
mm
時間雨量
!!!0.70
mm
累加雨量
!!59.60
mm
| 時刻 | 貯水位 (m) |
全流入量 (m³/s) |
全放流量 (m³/s) |
時間 雨量 (mm) |
累加 雨量 (mm) |
|---|---|---|---|---|---|
| 09/29 11:00 | 69.15 | 67.84 | 56.14 | 0.70 | 59.20 |
| 09/29 10:00 | 69.13 | 56.26 | 56.16 | 1.10 | 58.50 |
| 09/29 09:00 | 69.12 | 52.77 | 52.23 | 1.70 | 57.40 |
| 09/29 08:00 | 69.12 | 52.66 | 52.23 | 1.00 | 55.70 |
| 09/29 07:00 | 69.11 | 47.17 | 40.89 | 3.10 | 54.70 |
| 09/29 06:00 | 69.08 | 117.32 | 31.44 | 3.80 | 51.60 |
| 09/29 05:00 | 69.22 | 63.82 | 31.57 | 5.40 | 47.80 |
| 09/29 04:00 | 69.50 | 60.66 | 31.85 | 4.40 | 42.40 |
| 09/29 03:00 | 69.78 | 52.40 | 31.91 | 2.20 | 38.00 |
| 09/29 02:00 | 70.07 | 41.17 | 32.17 | 1.40 | 35.80 |
| 09/29 01:00 | 70.36 | 0.00 | 32.23 | 0.20 | 34.40 |
| 09/29 00:00 | 70.48 | 32.87 | 32.16 | 0.00 | 34.20 |
| 09/28 23:00 | 70.48 | 37.01 | 32.16 | 0.30 | 34.20 |
| 09/28 22:00 | 70.49 | 45.99 | 32.16 | 1.00 | 33.90 |
| 09/28 21:00 | 70.37 | 0.00 | 32.23 | 1.30 | 32.90 |
| 09/28 20:00 | 70.01 | 0.00 | 34.59 | 2.10 | 31.60 |
| 09/28 19:00 | 69.50 | 4.32 | 34.27 | 3.30 | 29.50 |
| 09/28 18:00 | 69.20 | 9.52 | 34.23 | 0.50 | 26.20 |
| 09/28 17:00 | 69.08 | 34.66 | 34.30 | 0.40 | 25.70 |
| 09/28 16:00 | 69.08 | 34.70 | 34.08 | 1.00 | 25.30 |
| 09/28 15:00 | 69.08 | 38.38 | 34.08 | 0.00 | 24.30 |
| 09/28 14:00 | 69.07 | 34.68 | 34.09 | 0.00 | 24.30 |
| 09/28 13:00 | 69.07 | 34.74 | 34.30 | 0.00 | 24.30 |
| 09/28 12:00 | 69.07 | 34.79 | 34.30 | 0.20 | 24.30 |
| 09/28 11:00 | 69.09 | 39.02 | 40.75 | 0.50 | 24.10 |
| 09/28 10:00 | 69.13 | 42.78 | 48.27 | 0.00 | 23.60 |
| 09/28 09:00 | 69.17 | 40.71 | 40.05 | 0.00 | 23.60 |
| 09/28 08:00 | 69.17 | 35.46 | 34.68 | 1.20 | 23.60 |
| 09/28 07:00 | 69.17 | 37.35 | 33.80 | 4.30 | 22.40 |
| 09/28 06:00 | 69.17 | 26.56 | 24.84 | 5.50 | 18.10 |
| 09/28 05:00 | 69.16 | 25.27 | 24.61 | 1.40 | 12.60 |
| 09/28 04:00 | 69.15 | 21.94 | 21.35 | 0.90 | 11.20 |
| 09/28 03:00 | 69.15 | 25.64 | 21.11 | 1.60 | 10.30 |
| 09/28 02:00 | 69.14 | 21.83 | 21.35 | 0.50 | 8.70 |
| 09/28 01:00 | 69.13 | 21.93 | 21.36 | 0.20 | 8.20 |
| 09/28 00:00 | 69.13 | 30.51 | 21.36 | 0.20 | 8.00 |
| 09/27 23:00 | 69.12 | 21.84 | 21.12 | 0.00 | 7.80 |
| 09/27 22:00 | 69.12 | 21.74 | 21.36 | 0.00 | 7.80 |
| 09/27 21:00 | 69.11 | 21.64 | 21.36 | 0.00 | 7.80 |
| 09/27 20:00 | 69.11 | 21.73 | 21.36 | 0.00 | 7.80 |
| 09/27 19:00 | 69.10 | 21.72 | 21.13 | 0.30 | 7.80 |
| 09/27 18:00 | 69.10 | 32.78 | 21.13 | 0.70 | 7.50 |
| 09/27 17:00 | 69.09 | 21.70 | 20.90 | 1.20 | 6.80 |
| 09/27 16:00 | 69.09 | 21.77 | 21.14 | 1.60 | 5.60 |
| 09/27 15:00 | 69.08 | 21.73 | 21.38 | 3.10 | 4.00 |
| 09/27 14:00 | 69.09 | 27.87 | 20.90 | 0.90 | 0.90 |
| 09/27 13:00 | 69.09 | 35.21 | 21.37 | 0.00 | 0.00 |
| 09/27 12:00 | 69.10 | 45.88 | 21.36 | 0.00 | 0.00 |
| 09/27 11:00 | 69.40 | 42.59 | 22.89 | 0.00 | 0.00 |
| 09/27 10:00 | 69.69 | 41.60 | 23.00 | 0.00 | 11.70 |
| 時刻 | 貯水位 (m) |
全流入量 (m³/s) |
全放流量 (m³/s) |
10分 雨量 (mm) |
累加 雨量 (mm) |
|---|---|---|---|---|---|
| 09/29 11:20 | 69.16 | 67.83 | 55.93 | 0.40 | 59.60 |
| 09/29 11:10 | 69.15 | 57.92 | 56.14 | 0.00 | 59.20 |
| 09/29 11:00 | 69.15 | 67.84 | 56.14 | 0.10 | 59.20 |
| 09/29 10:50 | 69.14 | 56.70 | 55.95 | 0.10 | 59.20 |
| 09/29 10:40 | 69.14 | 56.67 | 56.16 | 0.00 | 59.10 |
| 09/29 10:30 | 69.14 | 62.88 | 56.16 | 0.00 | 59.10 |
| 09/29 10:20 | 69.14 | 62.89 | 55.95 | 0.20 | 59.10 |
| 09/29 10:10 | 69.13 | 56.67 | 56.16 | 0.40 | 58.90 |
| 09/29 10:00 | 69.13 | 56.26 | 56.16 | 0.40 | 58.50 |
| 09/29 09:50 | 69.13 | 65.75 | 56.13 | 0.00 | 58.20 |
| 09/29 09:40 | 69.12 | 52.79 | 52.03 | 0.10 | 58.20 |
| 09/29 09:30 | 69.12 | 52.79 | 52.23 | 0.30 | 58.10 |
| 09/29 09:20 | 69.12 | 52.77 | 52.23 | 0.00 | 57.80 |
| 09/29 09:10 | 69.12 | 52.77 | 52.23 | 0.40 | 57.80 |
| 09/29 09:00 | 69.12 | 52.77 | 52.23 | 0.10 | 57.40 |
| 09/29 08:50 | 69.12 | 52.70 | 52.23 | 0.50 | 57.50 |
| 09/29 08:40 | 69.12 | 52.75 | 52.03 | 0.20 | 57.00 |
| 09/29 08:30 | 69.12 | 52.78 | 52.23 | 0.20 | 56.80 |
| 09/29 08:20 | 69.12 | 52.80 | 52.44 | 0.30 | 56.60 |
| 09/29 08:10 | 69.12 | 52.76 | 52.23 | 0.60 | 56.30 |
| 09/29 08:00 | 69.12 | 52.66 | 52.23 | 0.20 | 55.70 |
| 09/29 07:50 | 69.12 | 52.71 | 52.03 | 0.30 | 55.60 |
| 09/29 07:40 | 69.12 | 52.66 | 52.03 | 0.20 | 55.30 |
| 09/29 07:30 | 69.12 | 55.49 | 52.20 | 0.00 | 55.10 |
| 09/29 07:20 | 69.12 | 50.02 | 47.20 | 0.20 | 55.10 |
| 09/29 07:10 | 69.11 | 41.50 | 42.20 | 0.20 | 54.90 |
| 09/29 07:00 | 69.11 | 47.17 | 40.89 | 0.00 | 54.70 |
| 09/29 06:50 | 69.10 | 39.91 | 35.38 | 0.70 | 54.70 |
| 09/29 06:40 | 69.10 | 51.64 | 35.59 | 0.50 | 54.00 |
| 09/29 06:30 | 69.10 | 45.71 | 35.38 | 0.50 | 53.50 |
| 09/29 06:20 | 69.08 | 38.36 | 35.39 | 1.10 | 53.00 |
| 09/29 06:10 | 69.08 | 40.01 | 35.38 | 0.30 | 51.90 |
| 09/29 06:00 | 69.08 | 117.32 | 31.44 | 0.60 | 51.60 |
| 09/29 05:50 | 69.07 | 61.01 | 31.70 | 0.60 | 51.00 |
| 09/29 05:40 | 69.05 | 62.46 | 31.68 | 0.70 | 50.40 |
| 09/29 05:30 | 69.09 | 64.97 | 31.65 | 0.80 | 49.70 |
| 09/29 05:20 | 69.13 | 65.60 | 31.62 | 0.40 | 48.90 |
| 09/29 05:10 | 69.18 | 65.15 | 31.60 | 0.70 | 48.50 |
| 09/29 05:00 | 69.22 | 63.82 | 31.57 | 0.80 | 47.80 |
| 09/29 04:50 | 69.27 | 58.45 | 31.55 | 0.40 | 46.90 |
| 09/29 04:40 | 69.31 | 55.64 | 31.74 | 0.70 | 46.50 |
| 09/29 04:30 | 69.36 | 60.93 | 31.93 | 1.10 | 45.80 |
| 09/29 04:20 | 69.40 | 56.06 | 31.90 | 1.50 | 44.70 |
| 09/29 04:10 | 69.45 | 57.54 | 31.88 | 0.80 | 43.20 |
| 09/29 04:00 | 69.50 | 60.66 | 31.85 | 0.20 | 42.40 |
| 09/29 03:50 | 69.54 | 53.94 | 31.83 | 0.70 | 42.20 |
| 09/29 03:40 | 69.59 | 62.79 | 31.80 | 1.30 | 41.50 |
| 09/29 03:30 | 69.64 | 55.64 | 31.77 | 0.80 | 40.20 |
| 09/29 03:20 | 69.69 | 61.89 | 31.75 | 0.60 | 39.40 |
| 09/29 03:10 | 69.74 | 57.90 | 31.93 | 0.80 | 38.80 |
ダム番号(0埋め不要)・洪水調節方式の訂正はTwitterでお知らせください。
洪水調整方式について、記載箇所(URL)がある場合、その場所も教えて頂けると助かります。
まとめて情報を頂ける場合は、クラウドストレージ・メール等で送って貰えるとかなり助かります。