El Mirage Drain - ID # 14507

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Page Last Updated: 23 October 2024

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

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GAGE ID AND DATUM HISTORY

ID Elevation of
Instrument
in Gage Height		 Elevation of
Instrument
in Datum		 Period
       
14507 1.20 feet 1,264.16 feet NAVD88 03/31/2020 -- Current
5483 1.20 feet 1,264.16 feet NAVD88 04/01/2013 -- 03/31/2020
5483 0.26 feet 0.26 feet Gage Height 02/16/2006 -- 03/31/2013

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SITE DATA

STATUS Active
LOCATION Located near El Mirage Road south of Loop 303
DRAINAGE AREA 70.3 mi2
STREAM TYPE Natural Stream
JURISDICTION Surprise, Arizona
WATERSHED Trilby
SECTION/TOWNSHIP/RANGE S14 T4N R1W
LATITUDE N 33° 41' 26.6"  |  +33.69072
LONGITUDE W 112° 19' 40.9"  |  -112.32804
ARIZONA STATE PLANE E 574868  | N 979095
USGS QUAD SHEET Calderwood Butte 7.5-Minute
STREAMGAGE INSTALLATION DATE 02/16/2006 - WY 2006
PERIOD OF AVAILABLE DATA RECORD 02/16/2006 - Current
LENGTH OF AVAILABLE DATA RECORD (AS OF 10/01/2024) 18.62 Years | 6,802 Days
GAPS (> 2 DAYS) IN RECORD None
STAGE GAGE TYPE Pressure Transducer
STAGE GAGE ELEVATION 1.20 feet Gage Height
STAFF GAGES 0
CREST STAGE GAGES 1
ZERO GAGE HEIGHT ELEVATION 1,262.960 feet NAVD88
POINT OF ZERO FLOW 0.3 feet Gage Height
EXTREME FOR PERIOD OF RECORD 475 cfs | 3.36 feet GH | 01/21/2010

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BRIEF RATING

Current Rating = #3 - Applied since 07/03/2024
Discharge
(cfs)		 Gage
Height
(feet)		 Discharge
(cfs)
0 0.00 1,262.96
100 2.28 1,265.24
250 3.56 1,266.52
500 4.98 1,267.94
750 5.86 1,268.82
1,000 6.57 1,269.53
1,500 7.70 1,270.66
2,500 9.05 1,272.01
4,000 10.31 1,273.27
5,000 11.03 1,273.99

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WATER YEAR PEAKS

Water
Year		 Peak
Gage Height
(feet)		 Peak
Discharge
(cfs)		 Date of
Peak
2025      
2024 None 0 None
2023 2.23 46 10/15/2022
2022 2.00 45 07/17/2022
2021 1.67 42 07/03/2021
2020 None 0 None
2019 2.87 57 09/27/2019
2018 4.99 471 08/12/2018
2017 2.57 49 01/01/2017
2016 None 0 None
2015 3.98 226 3.98
2014 4.80 418 09/08/2014
2013 2.10 46 07/20/2013
2012 2.31 240 08/17/2012
2011 None 0 None
2010 3.36 475 01/21/2010
2009 1.16 65 11/27/2008
2008 1.26 76 12/01/2007
2007 0.81 32 02/19/2007
2006 2.21 222 09/02/2006

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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
               
10/15/2022 20:50 10/15/2022 18:00 10/16/2022 12:00 18.0 2.23 46 2023
07/17/2022 22:43 07/17/2022 22:01 07/18/2022 00:58 3.0 2.00 45 2022
07/25/2021 16:32 07/25/2021 15:54 07/25/2021 20:36 4.7 1.62 42 2021
07/03/2021 19:07 07/03/2021 19:04 07/03/2021 21:11 2.1 1.67 42 2021
09/27/2019 04:28 09/27/2019 04:08 09/27/2019 09:52 5.7 2.87 57 2019
09/26/2019 16:31 09/26/2019 16:22 09/26/2019 18:00 1.6 1.45 40 2019
09/23/2019 15:32 09/23/2019 15:24 09/24/2019 03:18 11.9 2.67 49 2019
08/28/2019 22:58 08/28/2019 22:40 08/29/2019 06:00 7.3 1.52 50 2019
02/15/2019 10:32 02/15/2019 10:32 02/15/2019 12:00 1.5 1.30 39 2019
10/13/2018 17:29 10/13/2018 17:20 10/14/2018 00:00 6.7 2.15 46 2019
10/02/2018 08:27 10/02/2018 08:06 10/02/2018 15:22 7.3 2.23 46 2019
08/12/2018 21:50 08/12/2018 21:00 08/13/2018 06:00 9.0 4.99 471 2018
01/01/2017 11:08 01/01/2017 10:18 01/01/2017 18:00 7.7 2.57 49 2017
10/13/2016 16:11 10/13/2016 16:11 10/13/2016 18:00 1.8 1.37 40 2017
08/27/2015 16:13 08/27/2015 15:17 08/27/2015 20:40 5.4 3.98 226 2015
09/08/2014 10:04 09/08/2014 03:41 09/11/2014 21:29 89.8 4.80 418 2014
08/19/2014 16:32 08/19/2014 12:19 08/20/2014 12:18 24.0 4.10 250 2014
08/19/2014 07:22 08/19/2014 06:44 08/19/2014 11:43 5.0 3.60 157 2014
08/02/2014 19:26 08/02/2014 18:16 08/02/2014 23:00 4.7 3.68 170 2014
07/20/2013 00:06 07/19/2013 23:53 07/20/2013 09:23 9.5 2.10 46 2013
08/23/2012 07:52 08/23/2012 01:59 08/23/2012 12:15 10.3 1.44 97 2012
08/17/2012 04:16 08/17/2012 02:40 08/17/2012 13:05 10.4 2.31 240 2012
07/31/2010 03:57 07/31/2010 03:32 07/31/2010 04:55 1.4 1.26 76 2010
01/22/2010 10:48 01/22/2010 09:37 01/22/2010 14:57 5.3 0.76 28 2010
01/21/2010 21:20 01/21/2010 15:28 01/22/2010 02:44 11.3 3.36 475 2010
01/21/2010 07:53 01/21/2010 07:21 01/21/2010 10:10 2.8 0.71 24 2010
11/27/2008 08:17 11/27/2008 07:31 11/27/2008 12:50 5.3 1.16 65 2009
07/10/2008 23:25 07/10/2008 23:21 07/11/2008 00:45 1.4 0.63 18 2008
01/27/2008 17:22 01/27/2008 17:12 01/27/2008 20:12 3.0 0.66 20 2008
12/01/2007 11:01 12/01/2007 00:33 12/01/2007 14:36 14.1 1.26 76 2008
07/31/2007 20:44 07/31/2007 20:25 07/31/2007 21:59 1.6 0.78 30 2007
03/22/2007 20:41 03/22/2007 19:49 03/23/2007 02:41 6.9 0.63 18 2007
02/19/2007 18:03 02/19/2007 16:52 02/19/2007 23:40 6.8 0.81 32 2007
09/02/2006 19:27 09/02/2006 18:48 09/03/2006 05:41 10.9 2.21 222 2006

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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
FEMA Flood Flow Frequency
2-year 5-year 10-year 20-year 50-year 100-year 200-year 500-year
----- ----- 2,835 ----- 4,747 6,023 ----- -----
USGS StreamStats Flood Flow Frequency
2-year 5-year 10-year 25-year 50-year 100-year 200-year 500-year
Flood Flow Frequency
Based on HECWRC implementation of Bulletin 17B, n=16, 2006-2021
2-year 5-year 10-year 20-year 50-year 100-year 200-year 500-year

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CREST STAGE GAGE

Crest Gage Number Pin Elevation
(Feet, Gage Height)		 Additional Information
1 1.39 Located on left bank just downstream of the transducer

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