EMF below Powerline Floodway - ID # 33707

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Page Last Updated: 23 October 2024

ID History | Site Data | Brief Rating | Water Year Peaks | Runoff History | Flood Frequency

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GAGE ID AND DATUM HISTORY

ID Elevation of
Instrument
in Gage Height
Elevation of
Instrument
in Datum
Period
       
33707 0.15 feet 1,316.38 feet NAVD88 04/08/2020 -- Current
6758 0.15 feet 1,316.38 feet NAVD88 04/15/2014 -- 04/08/2020

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SITE DATA

STATUS Active
LOCATION Located about 1/3 mile downstream from Powerline Floodway
DRAINAGE AREA 257 mi2
STREAM TYPE Concrete Lined Channel
JURISDICTION Mesa, Arizona
WATERSHED Lower EMF
SECTION/TOWNSHIP/RANGE S30 T1S R7E
LATITUDE N 33° 19' 01.7"  |  +33.31715
LONGITUDE W 111° 41' 03.3"  |  -111.68424
ARIZONA STATE PLANE E 843050  | N 771140
USGS QUAD SHEET Higley 7.5-Minute
STREAMGAGE INSTALLATION DATE 04/15/2014 - WY 2014
PERIOD OF AVAILABLE DATA RECORD 04/15/2014 - Current
LENGTH OF AVAILABLE DATA RECORD (AS OF 10/01/2024) 10.46 Years | 3,822 Days
GAPS (> 2 DAYS) IN RECORD None
STAGE GAGE TYPE Pressure Transducer
STAGE GAGE ELEVATION 0.15 feet Gage Height
STAFF GAGES None
CREST STAGE GAGES None
ZERO GAGE HEIGHT ELEVATION 1,316.230 feet NAVD88
POINT OF ZERO FLOW 0.0 feet Gage Height
EXTREME FOR PERIOD OF RECORD 3,372 cfs | 6.27 feet | 08/10/2018

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BRIEF RATING

Current Rating = #1 - Applied since 04/15/2014
Discharge
(cfs)
Elevation
feet
Gage Height
Elevation
feet
NAVD88
0 0.00 1,302.14
100 0.91 1,317.14
500 2.15 1,318.38
1,000 3.16 1,319.39
2,000 4.66 1,320.89
3,000 5.85 1,322.08
5,000 7.76 1,323.99
8,000 10.03 1,326.26
10,000 11.30 1,327.53

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WATER YEAR PEAKS

Water
Year
Peak
Gage Height
(feet)
Peak
Discharge
(cfs)
Date of
Peak
2025      
2024 1.7 314 02/02/2024
2023 0.97 106 10/16/2022
2022 1.85 369 09/12/2022
2021 1.60 280 07/25/2021
2020 1.15 148 11/29/2019
2019 2.97 879 09/23/2019
2018 6.27 3,372 08/10/2018
2017 3.37 1,389 07/24/2017
2016 1.49 331 01/07/2016
2015 1.62 383 09/23/2015
2014 (partial) 4.98 2,765 09/08/2014

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RUNOFF EVENT HISTORY

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
               
02/02/2024 04:04 02/01/2024 12:00 02/03/2024 03:47 39.8 1.70 314 2024
03/02/2023 06:45 03/01/2023 21:31 03/03/2023 00:00 26.5 0.69 10 2023
01/02/2023 00:00 01/01/2023 12:00 01/03/2023 18:00 54.0 0.87 56 2023
10/16/2022 00:18 10/15/2022 12:00 10/16/2022 18:00 30.0 0.97 106 2023
09/12/2022 0:27 09/11/2022 21:38 09/12/2022 20:51 23.2 1.85 369 2022
08/20/2022 00:00 08/19/2022 16:50 08/22/2022 06:00 61.2 0.69 10 2022
12/24/2021 14:31 12/24/2021 11:49 12/25/2021 18:00 30.2 0.77 22 2022
08/17/2021 07:20 08/17/2021 01:39 08/18/2021 11:37 34.0 1.17 153 2021
08/14/2021 07:54 08/14/2021 02:45 08/15/2021 03:10 24.4 1.52 254 2021
08/12/2021 09:07 08/12/2021 07:59 08/13/2021 00:00 16.0 1.37 209 2021
07/25/2021 17:52 07/25/2021 09:49 07/26/2021 21:28 35.7 1.60 280 2021
07/24/2021 18:21 07/24/2021 11:25 07/25/2021 07:30 20.1 1.22 166 2021
11/29/2019 18:00 11/29/2019 07:19 11/30/2019 06:00 22.7 1.15 148 2020
11/22/2019 00:00 11/20/2019 07:27 11/22/2019 10:05 50.6 0.90 72 2020
09/23/2019 11:26 09/23/2019 07:14 09/25/2019 06:00 46.8 2.97 897 2019
02/22/2019 05:14 02/21/2019 18:29 02/24/2019 00:00 53.5 2.78 780 2019
10/13/2018 11:13 10/13/2018 10:25 10/13/2018 21:59 11.6 0.76 20 2019
08/23/2018 23:17 08/23/2018 23:04 08/26/2018 12:00 60.9 1.77 339 2018
08/10/2018 04:04 08/10/2018 00:07 08/12/2018 03:14 51.1 6.27 3,372 2018
08/26/2017 23:11 08/26/2017 22:55 08/27/2017 05:13 6.3 0.63 20 2017
08/03/2017 19:14 08/03/2017 18:40 08/04/2017 17:30 22.8 1.75 438 2017
07/30/2017 12:00 07/29/2017 22:09 07/30/2017 16:35 18.4 0.91 138 2017
07/24/2017 13:08 07/23/2017 22:43 07/27/2017 18:00 91.3 3.37 1,389 2017
12/22/2016 18:00 12/22/2016 16:59 12/23/2016 06:00 13.0 0.78 105 2017
08/09/2016 20:25 08/09/2016 15:02 08/10/2016 11:58 20.9 1.30 260 2016
01/07/2016 19:30 01/07/2016 12:51 01/08/2016 18:00 29.2 1.49 331 2016
09/23/2015 01:09 09/20/2015 00:00 09/25/2015 06:00 126 1.62 383 2015
05/16/2015 05:48 05/16/2015 01:00 05/16/2015 15:15 14.3 0.75 89 2014
01/30/2015 21:12 01/30/2015 15:12 01/31/2015 09:12 18.0 0.85 122 2015
10/09/2014 15:10 10/09/2014 09:54 10/10/2014 09:10 23.3 1.20 226 2015
09/27/2014 22:33 09/27/2014 18:45 09/30/2014 09:09 62.4 3.60 1,560 2014
09/08/2014 10:03 09/08/2014 05:07 09/12/2014 03:09 94.0 4.98 2,765 2014
08/12/2014 18:08 08/12/2014 17:31 08/13/2014 08:25 14.9 1.08 186 2014

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FLOOD FLOW FREQUENCY

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
USGS StreamStats Flood Flow Frequency
2-year 5-year 10-year 25-year 50-year 100-year 200-year 500-year

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