Gila River at 116th Avenue - ID # 6848

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Page Last Updated: 15 July 2019


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

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GAGE ID HISTORY

ID Elevation of
Instrument
in Gage Height
Elevation of
Instrument
in Datum
Period
       
6848 0.10 feet 929.84 feet NAVD88 10/01/2017 -- Current
6848 1.15 feet 928.29 feet M.S.L. 12/16/1998 -- 09/30/2017

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SITE DATA

STATUS Active
LOCATION Located on the Avondale Boulevard bridge crossing of the Gila River
DRAINAGE AREA 42,726 mi2
STREAM TYPE Natural Stream
JURISDICTION Avondale, Arizona
WATERSHED Lower ACDC / South Mountain
SECTION/TOWNSHIP/RANGE S36 T1N R1W
LATITUDE N 33° 22' 58.2"  |  +33.38282
LONGITUDE W 112° 18' 29.2"  |  -112.30812
ARIZONA STATE PLANE E 580514  | N 867021
USGS QUAD SHEET Tolleson 7.5-Minute
STREAMGAGE INSTALLATION DATE 12/16/1998 - WY 1999
PERIOD OF AVAILABLE DATA RECORD 12/16/1998 - Current
LENGTH OF AVAILABLE DATA RECORD (AS OF 06/01/2019) 20.46 Years | 7,472 Days
GAPS (> 2 DAYS) IN RECORD None
STAGE GAGE TYPE Pressure Transducer
STAGE GAGE ELEVATION 1.15 feet Gage Height
STAFF GAGES 0
CREST STAGE GAGES 0
ZERO GAGE HEIGHT ELEVATION 929.737 feet NAVD88
POINT OF ZERO FLOW -1.0 feet Gage Height
EXTREME FOR PERIOD OF RECORD 49,394 cfs | 9.15 feet | 02/13/2005

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BRIEF RATING

Current Rating = #2 - Applied since 10/01/2017
Discharge
(cfs)
Elevation
feet,
Gage Height
Elevation
feet,
NAVD88
0 -0.50 929.24
100 -0.20 929.54
500 0.97 930.71
1,000 1.64 931.38
2,500 2.89 932.63
5,000 3.76 933.50
10,000 4.81 934.55
25,000 6.81 936.55
50,000 9.17 938.91
100,000 12.30 942.04

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WATER YEAR PEAKS

Water
Year
Peak
Gage Height
(feet)
Peak
Discharge
(cfs)
Date of
Peak
2020      
2019      
2018 None 0 None
2017 5.99 11,075 03/02/2017
2016 None 0 None
2015 None 0 None
2014 2.85 1,251 09/08/2014
2013 None 0 None
2012 None 0 None
2011 None 0 None
2010 6.95 17,638 01/23/2010
2009 1.98 1,505 02/18/2009
2008 3.75 4,843 02/01/2008
2007 None 0 None
2006 None 0 None
2005 9.15 49,394 02/13/2005
2004 None 0 None
2003 None 0 None
2002 0.43 418 11/05/2001
2001 None 0 None
2000 0.25 364 11/26/1999
1999 None 0 None

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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
               
03/16/2019 06:00 03/10/2019 08:36 03/22/2019 18:00 297 2.82 2,403 2019
03/02/2017 04:27 03/01/2017 22:24 03/04/2017 08:27 58.1 5.99 11,075 2017
09/08/2014 22:52 09/08/2014 10:58 09/09/2014 19:16 32.3 2.85 1,251 2014
03/15/2010 00:16 02/23/2010 20:41 04/17/2010 04:41 1,256 5.15 6,397 2010
01/23/2010 03:20 01/22/2010 15:33 01/26/2010 01:12 81.7 6.95 17,638 2010
02/18/2009 02:54 02/17/2009 16:33 02/21/2009 17:55 97.4 1.98 1,505 2009
08/05/2008 21:07 08/05/2008 20:27 08/05/2008 21:10 0.7 1.42 960 2008
03/16/2008 21:19 03/16/2008 15:19 03/17/2008 15:19 24.02 1.52 985 2008
03/05/2008 03:19 02/13/2008 15:19 03/13/2008 15:19 696 2.80 2,403 2008
02/01/2008 07:45 01/23/2008 09:18 02/09/2008 15:19 414 3.75 4,843 2008
01/18/2008 02:46 01/17/2008 09:18 01/20/2008 11:56 74.6 1.40 953 2008
03/07/2005 01:32 03/07/2005 01:32 03/07/2005 19:32 18.0 1.35 935 2005
03/01/2005 07:32 02/28/2005 13:32 03/02/2005 22:32 57.0 1.85 1,347 2005
02/22/2005 04:32 02/20/2005 19:32 02/28/2005 07:32 180 5.35 13,326 2005
02/13/2005 02:17 02/11/2005 14:07 02/20/2005 18:52 221 9.15 49,394 2005
01/28/2005 02:15 01/26/2005 17:00 02/03/2005 23:16 198 4.05 5,981 2005
01/13/2005 20:15 01/12/2005 14:15 01/17/2005 11:15 117 4.25 6,828 2005
01/08/2005 20:15 01/08/2005 14:15 01/12/2005 11:15 93.0 4.15 6,397 2005
01/05/2005 02:14 01/01/2005 11:09 01/08/2005 08:15 165 7.85 34,904 2005
11/05/2001 10:03 11/04/2001 09:27 11/06/2001 12:05 50.6 0.43 418 2002
11/23/1999 07:04 11/23/1999 07:04 11/30/1999 23:25 184 0.25 364 2000

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FLOOD FLOW FREQUENCY

Flood Flow Frequency
Based on FEMA 1995 Flood Insurance Study
Magnitude and Probability of Instantaneous Peak Flow  |  Discharge, in cfs, for indicated Recurrence Interval
10-year 50-year 100-year 500-year
57,000 185,000 227,000 285,000

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