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Page Last Updated: 04 November 2025 |
| ID | Elevation of Instrument in Gage Height |
Elevation of Instrument in Datum |
Period |
| 68007 | 0.00 feet | 1,027.40 feet NAVD88 | 04/23/2020 -- Current |
| 4763 | 0.00 feet | 1,027.40 feet NAVD88 | 01/25/2012 -- 04/23/2020 |
| STATUS | Active |
| LOCATION | Located on 7th Avenue Bridge |
| DRAINAGE AREA | 12,956 mi2 |
| STREAM TYPE | Channelized Natural Stream |
| JURISDICTION | Phoenix, Arizona |
| WATERSHED | Lower ACDC / South Mountain |
| SECTION/TOWNSHIP/RANGE | S19 T1N R3E |
| LATITUDE | N 33° 25' 03.1" | +33.41752 |
| LONGITUDE | W 112° 04' 57.4" | -112.08262 |
| ARIZONA STATE PLANE | E 649453 | N 879978 |
| USGS QUAD SHEET | Phoenix 7.5-Minute |
| STREAMGAGE INSTALLATION DATE | 01/25/2012 - WY 2012 |
| PERIOD OF AVAILABLE DATA RECORD | 01/25/2012 - Current |
| LENGTH OF AVAILABLE DATA RECORD (AS OF 10/01/2024) | 12.68 Years | 4,633 Days |
| GAPS (> 2 DAYS) IN RECORD | None |
| STAGE GAGE TYPE | Pressure Transducer |
| STAGE GAGE ELEVATION | 0.00 feet Gage Height |
| STAFF GAGES | 0 |
| CREST STAGE GAGES | 0 |
| ZERO GAGE HEIGHT ELEVATION | 1,027.403 feet NAVD88 |
| POINT OF ZERO FLOW | 0.0 feet gage height (approximate) |
| EXTREME FOR PERIOD OF RECORD | 20.44 Feet | 39,558 CFS | 03/23/2023 |
| Current Rating = #2 - Applied since 10/01/2022 |
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| Discharge (cfs) |
Elevation feet Gage Height |
Elevation feet NAVD88 |
| 0 | 0.00 | 1,027.40 |
| 500 | 4.90 | 1,032.30 |
| 1,000 | 5.88 | 1,033.28 |
| 5,000 | 9.00 | 1,036.40 |
| 10,000 | 12.20 | 1,039.60 |
| 20,000 | 16.50 | 1,043.90 |
| 50,000 | 22.00 | 1,049.40 |
| 100,000 | 28.00 | 1,055.40 |
| Water Year |
Peak Gage Height (feet) |
Peak Discharge (cfs) |
Date of Peak |
| 2026 | |||
| 2025 | 7.81 | 2,922 | 09/26/2025 |
| 2024 | 3.52 | 312 | 04/01/2024 |
| 2023 | 20.44 | 39,558 | 03/23/2023 |
| 2022 | 5.10 | 35 | 12/24/2021 |
| 2021 | 6.57 | 1,626 | 07/23/2021 |
| 2020 | 6.62 | 1,722 | 03/23/2020 |
| 2019 | 8.21 | 7,295 | 09/24/2019 |
| 2018 | 5.69 | 45 | 08/11/2018 |
| 2017 | 12.27 | 12,712 | 03/01/2017 |
| 2016 | 7.71 | 108 | 08/02/2016 |
| 2015 | None | 0 | None |
| 2014 | 5.95 | 446 | 11/22/2013 |
| 2013 | 7.35 | 3,814 | 07/21/2013 |
| 2012 (partial) | None | 0 | None |
| Date of Peak |
Time of Peak |
Runoff Start |
Runoff End |
Duration (hours) |
Peak Stage (feet GH) |
Peak Discharge (CFS) |
Water Year |
| View a Plot of These Data | |||||||
| 09/26/2025 | 15:05 | 09/24/2025 00:00 | 09/30/2025 04:35 | 148.6 | 7.81 | 2,922 | 2025 |
| 09/19/2025 | 08:38 | 09/18/2025 12:00 | 09/22/2025 00:00 | 84.0 | 1.45 | 88 | 2025 |
| 09/04/2025 | 00:51 | 09/03/2025 18:00 | 09/07/2025 12:00 | 90.0 | 1.76 | 116 | 2025 |
| 08/25/2025 | 20:21 | 08/25/2025 06:00 | 08/28/2025 18:00 | 84.0 | 4.14 | 393 | 2025 |
| 08/22/2025 | 00:00 | 08/21/2025 12:00 | 08/23/2025 04:36 | 40.6 | 1.73 | 113 | 2025 |
| 08/15/2025 | 12:00 | 08/13/2025 06:00 | 08/18/2025 06:00 | 120.0 | 0.84 | 40 | 2025 |
| 06/04/2025 | 09:17 | 06/03/2025 23:00 | 06/05/2025 12:00 | 37.0 | 1.44 | 87 | 2025 |
| 06/02/2025 | 06:00 | 06/01/2025 20:00 | 06/03/2025 06:00 | 34.0 | 1.45 | 87 | 2025 |
| 03/14/2025 | 00:00 | 03/11/2025 19:39 | 03/16/2025 00:00 | 100.4 | 1.07 | 57 | 2025 |
| 03/07/2025 | 12:00 | 03/07/2025 07:00 | 03/08/2025 06:00 | 23.0 | 0.80 | 38 | 2025 |
| 08/18/2024 | 05:50 | 08/18/2024 00:00 | 08/18/2024 22:30 | 22.5 | 1.71 | 111 | 2024 |
| 08/07/2024 | 00:00 | 08/06/2024 22:00 | 08/07/2024 12:00 | 14.0 | 1.61 | 102 | 2024 |
| 04/01/2024 | 04:48 | 03/31/2024 09:06 | 04/02/2024 18:00 | 56.9 | 3.52 | 312 | 2024 |
| 03/24/2024 | 06:00 | 03/24/2024 00:00 | 03/24/2024 18:00 | 18.0 | 1.18 | 65 | 2024 |
| 02/08/2024 | 18:00 | 02/08/2024 12:00 | 02/09/2024 03:57 | 15.9 | 1.29 | 74 | 2024 |
| 02/07/2024 | 05:00 | 02/07/2024 00:00 | 02/07/2024 14:02 | 14.0 | 0.94 | 47 | 2024 |
| 02/02/2024 | 07:01 | 02/01/2024 21:37 | 02/02/2024 14:35 | 17.0 | 1.39 | 83 | 2024 |
| 01/23/2024 | 18:48 | 01/23/2024 06:00 | 01/24/2024 06:00 | 24.0 | 1.44 | 87 | 2024 |
| 12/22/2023 | 22:06 | 12/22/2023 11:00 | 12/24/2023 00:00 | 37.0 | 1.97 | 136 | 2024 |
| 09/12/2023 | 22:50 | 09/12/2023 18:00 | 09/13/2023 03:05 | 9.1 | 0.83 | 40 | 2023 |
| 07/27/2023 | 00:56 | 07/27/2023 00:31 | 07/27/2023 06:00 | 5.5 | 0.76 | 35 | 2023 |
| 03/23/2023 | 18:57 | 03/08/2023 12:00 | 05/10/2023 21:58 | 1,522.0 | 20.44 | 39,558 | 2023 |
| 03/02/2023 | 00:00 | 03/01/2023 18:00 | 03/02/2023 21:19 | 27.3 | 3.91 | 18 | 2023 |
| 12/24/2021 | 14:05 | 12/24/2021 05:45 | 12/27/2021 12:00 | 78.2 | 5.10 | 35 | 2022 |
| 08/14/2021 | 00:59 | 08/13/2021 22:26 | 08/15/2021 12:00 | 37.6 | 6.14 | 696 | 2021 |
| 07/23/2021 | 21:37 | 07/23/2021 07:30 | 07/27/2021 12:00 | 100.5 | 6.57 | 1,626 | 2021 |
| 07/23/2021 | 15:44 | 07/23/2021 07:30 | 07/27/2021 12:00 | 100.5 | 5.11 | 126 | 2021 |
| 03/27/2020 | 00:00 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 4.60 | 104 | 2020 |
| 03/26/2020 | 16:34 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 5.09 | 125 | 2020 |
| 03/26/2020 | 12:24 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 5.58 | 149 | 2020 |
| 03/26/2020 | 06:38 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 5.43 | 141 | 2020 |
| 03/26/2020 | 01:52 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 5.41 | 140 | 2020 |
| 03/25/2020 | 21:04 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 5.42 | 140 | 2020 |
| 03/25/2020 | 06:00 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 6.15 | 716 | 2020 |
| 03/24/2020 | 06:00 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 6.25 | 884 | 2020 |
| 03/23/2020 | 00:00 | 03/22/2020 15:51 | 04/02/2020 06:00 | 254.2 | 6.62 | 1,722 | 2020 |
| 02/22/2020 | 11:04 | 02/22/2020 07:09 | 02/24/2020 22:06 | 63.0 | 4.72 | 109 | 2020 |
| 09/24/2019 | 06:00 | 09/23/2019 11:47 | 09/27/2019 12:00 | 96.2 | 8.21 | 7,295 | 2019 |
| 03/15/2019 | 12:00 | 03/03/2019 20:32 | 03/23/2019 23:18 | 483 | 7.10 | 3,065 | 2019 |
| 03/14/2019 | 01:01 | 03/03/2019 20:32 | 03/23/2019 23:18 | 483 | 7.07 | 2,980 | 2019 |
| 03/09/2019 | 19:25 | 03/03/2019 20:32 | 03/23/2019 23:18 | 483 | 5.82 | 286 | 2019 |
| 03/04/2019 | 07:50 | 03/03/2019 20:32 | 03/23/2019 23:18 | 483 | 8.07 | 6,760 | 2019 |
| 08/11/2018 | 01:22 | 08/11/2018 00:10 | 08/11/2018 20:02 | 19.9 | 5.69 | 45 | 2018 |
| 07/09/2018 | 18:33 | 07/09/2018 17:40 | 07/09/2018 23:46 | 6.1 | 5.22 | 37 | 2018 |
| 03/01/2017 | 12:12 | 03/01/2017 04:24 | 03/06/2017 18:58 | 135 | 12.27 | 12,712 | 2017 |
| 08/05/2016 | 10:48 | 08/05/2016 09:53 | 08/05/2016 14:46 | 4.9 | 4.29 | 23 | 2016 |
| 08/02/2016 | 18:57 | 08/02/2016 18:03 | 08/03/2016 00:45 | 6.7 | 7.71 | 108 | 2016 |
| 11/22/2013 | 06:36 | 11/22/2013 05:12 | 11/22/2013 09:15 | 4.1 | 5.95 | 446 | 2014 |
| 07/21/2013 | 12:28 | 07/21/2013 11:46 | 07/21/2013 14:37 | 2.9 | 7.35 | 3,814 | 2013 |
| Flood Flow Frequency View a plot of Flood Frequncy Data ***NOTE: Flood Flow Frequency data are for information only and should not be considered valid for regulation*** Magnitude and Probability of Instantaneous Peak Flow | Discharge, in cfs, for indicated Recurrence Interval |
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| Analysis of Modified Roosevelt Dam | |||||||
| 2-year | 5-year | 10-year | 20-year | 50-year | 100-year | 200-year | 500-year |
| ----- | 20,500 | 55,000 | 90,000 | 140,000 | 169,000 | ----- | ----- |