McMicken Floodway - ID # 71307

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Page Last Updated: 04 November 2025

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

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GAGE ID AND DATUM HISTORY

ID Elevation of
Instrument
in Gage Height		 Elevation of
Instrument
in Datum		 Period
       
71307 0.15 feet 1,325.22 feet NAVD88 04/28/2020 -- Current
5438 0.15 feet 1,325.22 feet NAVD88 09/03/1992 -- 04/28/2020
Chart Undetermined Undetermined 05/19/1992 -- 09/03/1992

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SITE DATA

STATUS Active
LOCATION Near the intersection of 163rd and Grand Avenues
DRAINAGE AREA 242.2 mi2
STREAM TYPE Engineered Channel
JURISDICTION Surprise, Arizona
WATERSHED Trilby
SECTION/TOWNSHIP/RANGE S18 T4N R1W
LATITUDE N 33° 41' 07.2"  |  +33.68532
LONGITUDE W 112° 24' 31.1"  |  -112.40864
ARIZONA STATE PLANE E 550347  | N 977232
USGS QUAD SHEET McMicken Dam 7.5-Minute
STREAMGAGE INSTALLATION DATE 05/19/1992 - WY 1992
PERIOD OF AVAILABLE DATA RECORD 05/19/1992 - Current
LENGTH OF AVAILABLE DATA RECORD (AS OF 10/01/2024) 32.37 Years | 11,823 Days
GAPS (> 2 DAYS) IN RECORD 02/15/2024-04/18/2024
STAGE GAGE TYPE Pressure Transducer
STAGE GAGE ELEVATION 0.15 feet Gage Height
STAFF GAGES 6
CREST STAGE GAGES 2
ZERO GAGE HEIGHT ELEVATION 1,325.070 feet NAVD88
POINT OF ZERO FLOW 0.15 feet Gage Height
EXTREME FOR PERIOD OF RECORD 1,110 cfs | 4.98 feet | 09/08/2014

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BRIEF RATING

Current Rating = #2 - Applied since 10/01/2018
Discharge
(cfs)		 Elevation
feet
Gage Height		 Elevation
feet
NAVD88
0 0.00 1,325.07
50 1.43 1,326.50
100 1.80 1,326.87
500 3.26 1,328.33
800 3.93 1,329.00
1,000 4.30 1,329.37
1,500 5.06 1,330.13
3,000 6.76 1,331.83
5,087 (100-yr) 8.48 1,333.55

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WATER YEAR PEAKS

Water
Year		 Peak
Gage Height
(feet)		 Peak
Discharge
(cfs)		 Date of
Peak
2026      
2025 0.86 4 09/26/2025
2024 1.64 76 02/12/2024
2023 None 0.0 None
2022 1.35 41 12/27/2021
2021 0.97 9 07/25/2021
2020 1.15 23 02/18/2020
2019 1.23 30 09/24/2019
2018 1.15 59 08/02/2018
2017 1.85 125 01/01/2017
2016 1.28 69 08/10/2016
2015 0.48 14 10/09/2014
2014 4.98 1,110 09/08/2014
2013 1.00 48 0/31/2013
2012 1.08 53 08/23/2012
2011 None 0 None
2010 2.38 214 01/22/2010
2009 0.98 46 11/27/2008
2008 1.30 70 12/01/2007
2007 0.50 15 07/23/2007
2006 1.40 78 09/02/2006
2005 1.83 121 08/09/2005
2004 1.90 132 04/02/2004
2003 2.38 213 08/27/2003
2002 2.20 180 09/07/2002
2001 0.35 8 10/27/2000
2000 0.25 6 03/05/2000
1999 1.65 98 07/15/1999
1998 1.08 53 02/17/1998
1997 0.25 6 09/25/1997
1996 1.08 53 07/15/1996
1995 None 0 None
1994 None 0 None
1993 1.15 59 01/11/1993
1992 1.65 98 07/31/1992

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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
               
09/26/2025 18:36 09/26/2025 18:00 09/27/2025 16:14 22.2 0.86 4 2025
02/12/2024 18:00 02/12/2024 12:00 02/14/2024 10:15 46.3 1.64 76 2024
02/04/2024 13:43 02/01/2024 18:00 02/04/2024 19:06 73.1 1.52 60 2024
12/17/2023 18:48 12/17/2023 12:00 12/18/2023 00:00 12.0 1.30 36 2024
12/27/2021 18:00 12/27/2021 06:00 12/30/2022 00:00 66.0 1.35 41 2022
12/24/2021 18:00 12/24/2021 12:00 12/26/2021 06:00 42.0 0.92 7 2022
07/25/2021 12:00 07/25/2021 06:00 07/25/2021 18:45 12.8 0.97 9 2021
02/18/2020 22:27 02/17/2020 16:08 02/19/2020 17:30 49.4 1.15 23 2020
09/24/2019 06:51 09/24/2019 04:38 09/25/2019 12:00 31.4 1.23 30 2019
03/13/2019 00:00 03/12/2019 11:09 03/14/2019 06:00 42.9 0.58 20 2019
02/22/2019 00:00 02/21/2019 12:18 02/25/2019 12:00 95.7 1.00 48 2019
01/15/2019 18:45 01/15/2019 18:29 01/16/2019 00:00 5.5 0.50 15 2019
10/13/2018 11:20 10/13/2018 11:01 10/14/2018 06:00 19.0 0.40 10 2019
10/07/2018 03:53 10/07/2018 02:40 10/07/2018 18:00 15.3 0.53 17 2019
10/02/2018 09:03 10/02/2018 04:20 10/03/2018 12:00 31.7 1.00 48 2019
08/11/2018 04:30 08/11/2018 00:00 08/11/2018 14:39 14.7 0.60 21 2018
08/10/2018 22:42 08/09/2018 20:56 08/10/2018 10:55 14.0 0.75 29 2018
08/02/2018 21:29 08/02/2018 19:36 08/03/2018 10:25 14.8 1.15 59 2018
08/13/2017 06:00 08/13/2017 04:47 08/13/2017 14:23 9.6 0.94 43 2017
01/20/2017 20:19 01/20/2017 15:17 01/21/2017 00:00 8.7 0.83 35 2017
01/01/2017 13:26 01/01/2017 06:18 01/02/2017 14:31 32.2 1.85 125 2017
12/31/2016 04:36 12/30/2016 19:52 12/31/2016 11:10 15.3 0.70 26 2017
12/30/2016 20:34 12/30/2016 19:52 12/31/2016 11:10 15.3 0.70 26 2017
12/22/2016 03:15 12/22/2016 02:44 12/22/2016 06:00 3.3 0.55 18 2017
10/13/2016 11:26 10/13/2016 11:22 10/13/2016 11:57 0.6 0.63 22 2017
08/22/2016 15:07 08/22/2016 14:50 08/22/2016 18:00 3.2 0.60 21 2016
08/10/2016 22:47 08/10/2016 21:15 08/11/2016 18:00 20.8 1.28 69 2016
08/04/2016 18:11 08/04/2016 16:49 08/05/2016 15:15 22.4 1.18 61 2016
01/07/2016 11:45 01/06/2016 22:56 01/07/2016 16:21 17.4 0.55 18 2016
10/09/2014 03:30 10/09/2014 03:08 10/09/2014 09:08 6.0 0.48 14 2015
09/27/2014 17:40 09/27/2014 14:13 09/29/2014 03:08 36.9 2.25 189 2014
09/08/2014 12:30 09/08/2014 03:08 09/15/2014 15:09 180 4.98 1,110 2014
09/03/2014 07:17 09/03/2014 06:21 09/03/2014 11:55 5.6 1.68 101 2014
08/19/2014 17:39 08/19/2014 07:04 08/20/2014 16:23 33.3 2.28 194 2014
08/18/2014 02:09 08/17/2014 20:44 08/18/2014 12:10 15.4 1.12 57 2014
08/03/2014 09:09 08/03/2014 08:11 08/03/2014 15:44 7.6 1.28 68 2014
11/22/2013 12:06 11/22/2013 08:39 11/23/2013 06:27 21.8 2.05 155 2014
08/31/2013 11:52 08/31/2013 09:59 08/31/2013 17:52 7.9 1.00 48 2013
08/26/2013 22:02 08/26/2013 21:28 08/27/2013 08:15 10.8 0.65 23 2013
12/12/2011 10:58 12/12/2011 10:41 12/12/2011 22:27 11.8 0.52 17 2012
07/31/2010 09:40 07/31/2010 07:48 07/31/2010 19:25 11.6 1.38 76 2010
01/22/2010 07:27 01/21/2010 05:26 01/23/2010 19:27 62.0 2.38 214 2010
11/27/2008 08:19 11/27/2008 03:16 11/27/2008 23:24 20.1 0.98 46 2009
01/27/2008 19:44 01/27/2008 16:15 01/29/2008 08:15 40.0 0.68 25 2008
12/01/2007 15:51 12/01/2007 02:56 12/02/2007 13:46 34.8 1.30 70 2008
07/23/2007 18:26 07/23/2007 16:33 07/24/2007 12:26 19.9 0.50 15 2007
03/22/2007 23:17 03/22/2007 15:36 03/23/2007 12:47 21.2 0.35 8 2007
02/19/2007 14:14 02/19/2007 13:35 02/20/2007 10:38 21.1 0.38 9 2007
09/02/2006 23:29 09/02/2006 19:06 09/04/2006 04:37 33.5 1.40 78 2006
03/21/2006 14:55 03/21/2006 14:53 03/21/2006 22:02 7.2 0.45 13 2006
08/09/2005 20:32 08/09/2005 18:27 08/10/2005 13:05 18.6 1.83 121 2005
08/02/2005 22:19 08/02/2005 22:04 08/03/2005 19:06 21.0 0.68 25 2005
07/30/2005 21:43 07/30/2005 19:06 08/02/2005 19:06 72.0 1.35 74 2005
02/24/2005 02:49 02/24/2005 02:49 02/24/2005 08:49 6.0 0.20 5 2005
02/09/2005 08:48 02/05/2005 05:13 02/11/2005 08:48 148 0.43 12 2005
01/29/2005 14:11 01/29/2005 14:11 01/29/2005 14:46 0.6 0.28 7 2005
01/25/2005 07:11 01/25/2005 07:11 01/25/2005 11:11 4.0 0.33 8 2005
01/04/2005 20:46 01/04/2005 08:46 01/05/2005 02:46 18.0 0.33 8 2005
12/04/2004 01:05 12/03/2004 19:05 12/05/2004 19:05 48.0 0.23 6 2005
11/30/2004 04:24 11/30/2004 04:24 12/01/2004 12:03 31.7 0.68 25 2005
04/02/2004 12:12 04/02/2004 11:15 04/03/2004 05:50 18.6 1.90 132 2004
10/10/2003 14:43 10/10/2003 14:08 10/11/2003 05:28 15.3 1.58 92 2004
09/04/2003 22:02 09/04/2003 21:27 09/05/2003 05:27 8.0 1.35 74 2003
08/27/2003 08:27 08/27/2003 00:52 08/30/2003 02:27 73.6 2.38 213 2003
08/15/2003 14:52 08/15/2003 14:22 08/15/2003 18:32 4.2 1.08 53 2003
02/14/2003 03:15 02/13/2003 18:41 02/14/2003 21:15 26.6 1.00 48 2003
09/07/2002 23:07 09/07/2002 18:07 09/08/2002 01:50 7.7 2.08 159 2002
09/07/2002 00:26 09/06/2002 20:26 09/07/2002 15:46 19.3 2.20 180 2002
07/24/2002 00:02 07/23/2002 23:35 07/24/2002 05:45 6.2 1.42 80 2002
09/20/1999 23:39 09/19/1999 21:59 09/20/1999 08:21 10.4 1.38 76 1999
07/15/1999 08:01 07/14/1999 15:17 07/15/1999 15:54 24.6 1.65 98 1999
02/17/1998 18:28 02/17/1998 11:31 02/19/1998 12:13 48.7 1.08 53 1998
07/14/1996 23:17 07/14/1996 22:35 07/15/1996 09:16 10.7 1.08 53 1996
01/11/1993 12:16 01/11/1993 06:56 01/12/1993 05:19 22.4 1.15 59 1993
09/20/1992 13:34 09/20/1992 04:17 09/21/1992 16:06 35.8 1.05 52 1992
07/30/1992 11:44 07/30/1992 11:34 07/30/1992 11:44 0.2 1.65 98 1992

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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
ADMS
2-year 5-year 10-year 20-year 50-year 100-year 200-year 500-year
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=30, 1992-2021
2-year 5-year 10-year 20-year 50-year 100-year 200-year 500-year

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STAFF GAGES

Staff Gages at Station
Staff Gage Range Staff Gage Information
3.0 - 6.67 Located upstream of bridge
8.0 - 13.34 Located upstream of bridge
Staff Gage at dip crossing downstream
0 - 5 Located 240 feet downstream of gage
(subtract 0.66 feet to get equivalent gage height)
Staff Gages Upstream of US60
0 - 5 Located 420 feet upstream of gage
(add 0.8 feet to get equivalent gage height)
5 - 10 Located 420 feet upstream of gage
(add 0.8 feet to get equivalent gage height)
10 - 13 Located 420 feet upstream of gage
(add 0.8 feet to get equivalent gage height)

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CREST STAGE GAGES

Crest Gage Number Pin Elevation
(Feet, Gage Height)		 Additional Information
1 1.04 Located near the level sensor on the right bank
2 4.89 Located near the level sensor on the right bank

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