奈良井ダム(ならいだむ)
水系
信濃川
河川
奈良井川
管理者
松本建設事務所
所在地
長野県塩尻市
目的
FNW
型式
ロックフィル
洪水調節方式
自然調節
堤高(m)
60.0
堤頂長(m)
180.8
堤体積(千m3)
953.0
最低水位
(m)
(m)
1,039.00
平常時
最高貯水位(m)
最高貯水位(m)
1,053.00
洪水時
最高水位(m)
最高水位(m)
1,064.30
緊急放流(異常洪水時防災操作)
判断水位(m)
判断水位(m)
-
設計
最高水位(m)
最高水位(m)
1,067.00
予備放流水位
(m)
(m)
-
洪水貯留準備水位
(m)
(m)
-
洪水貯留操作開始流量
(m3/s)
(m3/s)
120.00
計画最大放流量
(m3/s)
(m3/s)
180.00
流域面積
(km2)
(km2)
46.00
雨量観測所情報
雨量観測所
－－－
基準値
注意
警戒
10分(mm)
-
-
時間(mm)
-
-
累加(mm)
-
-
現在の状況(2025/09/13 02:50)
貯水位
1051.36
m
全流入量
!!!1.85
m³/s
全放流量
!!!1.10
m³/s
10分雨量
----.--
mm
時間雨量
----.--
mm
累加雨量
----.--
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) |
|---|---|---|---|---|---|
| 09/13 03:00 | - | - | - | - | - |
| 09/13 02:00 | 1,051.35 | 1.10 | 1.10 | - | - |
| 09/13 01:00 | 1,051.35 | 1.85 | 1.10 | - | - |
| 09/13 00:00 | 1,051.34 | 1.78 | 1.10 | - | - |
| 09/12 23:00 | 1,051.33 | 1.85 | 1.10 | - | - |
| 09/12 22:00 | 1,051.32 | 1.84 | 1.10 | - | - |
| 09/12 21:00 | 1,051.31 | 1.85 | 1.10 | - | - |
| 09/12 20:00 | 1,051.30 | 1.85 | 1.10 | - | - |
| 09/12 19:00 | 1,051.29 | 1.85 | 1.10 | - | - |
| 09/12 18:00 | 1,051.28 | 1.85 | 1.10 | - | - |
| 09/12 17:00 | 1,051.27 | 1.85 | 1.10 | - | - |
| 09/12 16:00 | 1,051.26 | 1.85 | 1.10 | - | - |
| 09/12 15:00 | 1,051.25 | 1.85 | 1.10 | - | - |
| 09/12 14:00 | 1,051.24 | 1.85 | 1.10 | - | - |
| 09/12 13:00 | 1,051.23 | 1.85 | 1.10 | - | - |
| 09/12 12:00 | 1,051.22 | 2.60 | 1.10 | - | - |
| 09/12 11:00 | 1,051.20 | 1.85 | 1.10 | - | - |
| 09/12 10:00 | 1,051.19 | 1.09 | 1.10 | - | - |
| 09/12 09:00 | 1,051.19 | 1.84 | 1.09 | - | - |
| 09/12 08:00 | 1,051.18 | 1.09 | 1.09 | - | - |
| 09/12 07:00 | 1,051.18 | 1.09 | 1.09 | - | - |
| 09/12 06:00 | 1,051.18 | 1.84 | 1.09 | - | - |
| 09/12 05:00 | 1,051.17 | 1.09 | 1.09 | - | - |
| 09/12 04:00 | 1,051.17 | 1.09 | 1.09 | - | - |
| 09/12 03:00 | 1,051.17 | 1.09 | 1.09 | - | - |
| 09/12 02:00 | 1,051.17 | 1.84 | 1.09 | - | - |
| 09/12 01:00 | 1,051.16 | 1.09 | 1.09 | - | - |
| 09/12 00:00 | 1,051.16 | 1.84 | 1.09 | - | - |
| 09/11 23:00 | 1,051.16 | 1.17 | 1.09 | - | - |
| 09/11 22:00 | 1,051.15 | 1.09 | 1.09 | - | - |
| 09/11 21:00 | 1,051.15 | 1.09 | 1.09 | - | - |
| 09/11 20:00 | 1,051.15 | 1.84 | 1.09 | - | - |
| 09/11 19:00 | 1,051.14 | 1.09 | 1.09 | - | - |
| 09/11 18:00 | 1,051.14 | 1.09 | 1.09 | - | - |
| 09/11 17:00 | 1,051.14 | 1.84 | 1.09 | - | - |
| 09/11 16:00 | 1,051.13 | 1.07 | 1.09 | - | - |
| 09/11 15:00 | 1,051.13 | 1.86 | 1.08 | - | - |
| 09/11 14:00 | 1,051.12 | 1.48 | 1.12 | - | - |
| 09/11 13:00 | 1,051.12 | 1.48 | 1.11 | - | - |
| 09/11 12:00 | 1,051.11 | 1.85 | 1.06 | - | - |
| 09/11 11:00 | 1,051.10 | 1.02 | 1.09 | - | - |
| 09/11 10:00 | 1,051.10 | 1.84 | 1.09 | - | - |
| 09/11 09:00 | 1,051.09 | 1.83 | 1.08 | - | - |
| 09/11 08:00 | 1,051.08 | 1.10 | 1.12 | - | - |
| 09/11 07:00 | 1,051.08 | 1.85 | 1.10 | - | - |
| 09/11 06:00 | 1,051.07 | 1.84 | 1.11 | - | - |
| 09/11 05:00 | 1,051.06 | 1.85 | 1.11 | - | - |
| 09/11 04:00 | 1,051.05 | 1.84 | 1.09 | - | - |
| 09/11 03:00 | 1,051.04 | 1.06 | 1.11 | - | - |
| 09/11 02:00 | 1,051.04 | 1.86 | 1.11 | - | - |
| 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) |
|---|---|---|---|---|---|
| 09/13 03:00 | - | - | - | - | - |
| 09/13 02:50 | 1,051.36 | 1.85 | 1.10 | - | - |
| 09/13 02:40 | 1,051.36 | 1.78 | 1.10 | - | - |
| 09/13 02:30 | 1,051.35 | 1.10 | 1.10 | - | - |
| 09/13 02:20 | 1,051.35 | 1.10 | 1.10 | - | - |
| 09/13 02:10 | 1,051.35 | 1.10 | 1.10 | - | - |
| 09/13 02:00 | 1,051.35 | 1.10 | 1.10 | - | - |
| 09/13 01:50 | 1,051.35 | 1.63 | 1.10 | - | - |
| 09/13 01:40 | 1,051.35 | 1.85 | 1.10 | - | - |
| 09/13 01:30 | 1,051.35 | 1.85 | 1.10 | - | - |
| 09/13 01:20 | 1,051.35 | 1.85 | 1.10 | - | - |
| 09/13 01:10 | 1,051.35 | 1.85 | 1.10 | - | - |
| 09/13 01:00 | 1,051.35 | 1.85 | 1.10 | - | - |
| 09/13 00:50 | 1,051.35 | 1.33 | 1.10 | - | - |
| 09/13 00:40 | 1,051.34 | 1.85 | 1.10 | - | - |
| 09/13 00:30 | 1,051.34 | 1.85 | 1.10 | - | - |
| 09/13 00:20 | 1,051.34 | 1.85 | 1.10 | - | - |
| 09/13 00:10 | 1,051.34 | 1.85 | 1.10 | - | - |
| 09/13 00:00 | 1,051.34 | 1.78 | 1.10 | - | - |
| 09/12 23:50 | 1,051.34 | 1.78 | 1.10 | - | - |
| 09/12 23:40 | 1,051.33 | 1.55 | 1.10 | - | - |
| 09/12 23:30 | 1,051.33 | 1.85 | 1.10 | - | - |
| 09/12 23:20 | 1,051.33 | 1.85 | 1.10 | - | - |
| 09/12 23:10 | 1,051.33 | 1.85 | 1.10 | - | - |
| 09/12 23:00 | 1,051.33 | 1.85 | 1.10 | - | - |
| 09/12 22:50 | 1,051.33 | 1.85 | 1.10 | - | - |
| 09/12 22:40 | 1,051.33 | 1.48 | 1.10 | - | - |
| 09/12 22:30 | 1,051.32 | 1.25 | 1.10 | - | - |
| 09/12 22:20 | 1,051.32 | 1.84 | 1.10 | - | - |
| 09/12 22:10 | 1,051.32 | 1.84 | 1.10 | - | - |
| 09/12 22:00 | 1,051.32 | 1.84 | 1.10 | - | - |
| 09/12 21:50 | 1,051.32 | 1.84 | 1.10 | - | - |
| 09/12 21:40 | 1,051.32 | 1.84 | 1.10 | - | - |
| 09/12 21:30 | 1,051.32 | 1.77 | 1.10 | - | - |
| 09/12 21:20 | 1,051.31 | 1.70 | 1.10 | - | - |
| 09/12 21:10 | 1,051.31 | 1.85 | 1.10 | - | - |
| 09/12 21:00 | 1,051.31 | 1.85 | 1.10 | - | - |
| 09/12 20:50 | 1,051.31 | 1.85 | 1.10 | - | - |
| 09/12 20:40 | 1,051.31 | 1.85 | 1.10 | - | - |
| 09/12 20:30 | 1,051.31 | 1.85 | 1.10 | - | - |
| 09/12 20:20 | 1,051.31 | 1.25 | 1.10 | - | - |
| 09/12 20:10 | 1,051.30 | 1.48 | 1.10 | - | - |
| 09/12 20:00 | 1,051.30 | 1.85 | 1.10 | - | - |
| 09/12 19:50 | 1,051.30 | 1.85 | 1.10 | - | - |
| 09/12 19:40 | 1,051.30 | 1.85 | 1.10 | - | - |
| 09/12 19:30 | 1,051.30 | 1.85 | 1.10 | - | - |
| 09/12 19:20 | 1,051.30 | 2.15 | 1.10 | - | - |
| 09/12 19:10 | 1,051.30 | 2.15 | 1.10 | - | - |
| 09/12 19:00 | 1,051.29 | 1.85 | 1.10 | - | - |
| 09/12 18:50 | 1,051.29 | 1.85 | 1.10 | - | - |
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。