Guadalupe FRS - ID # 68207

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Page Last Updated: 23 October 2024

ID History | Site Data | Brief Rating | Water Year Peaks | Impound History | Staff Gages

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GAGE ID AND DATUM HISTORY

ID Elevation of
Instrument
in Gage Height		 Elevation of
Instrument
in Datum		 Period
       
68207 0.18 feet 1251.56 feet NAVD88 11/06/2023 -- current
68207 0.26 feet 1,251.64 feet NAVD88 04/24/2020 -- 05/30/2023
6503 0.26 feet 1,251.64 feet NAVD88 10/01/1997 -- 04/24/2020
6503 0.26 feet 1,249.62 feet NGVD29 10/01/1997 -- 04/24/2020
6503 0.00 feet 1,249.36 feet NGVD29 06/29/1989 -- 09/30/1997

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SITE DATA

STATUS Active
LOCATION Located west of I-10 and south of Baseline Road
DRAINAGE AREA 1.78 mi2
STREAM TYPE Dam of natural drainage
JURISDICTION Phoenix, Arizona
WATERSHED South Mountain
SECTION/TOWNSHIP/RANGE S05 T1S R4E
LATITUDE N 33° 22' 21.1"  |  +33.37250
LONGITUDE W 111° 58' 07.3"  |  -111.96871
ARIZONA STATE PLANE E 683575  | N 862864
USGS QUAD SHEET Guadalupe 7.5-Minute
STREAMGAGE INSTALLATION DATE 06/29/1989 - WY 1989
PERIOD OF AVAILABLE DATA RECORD 06/29/1989 - Current
LENGTH OF AVAILABLE DATA RECORD (AS OF 10/01/2024) 35.26 Years | 12,878 Days
GAPS (> 2 DAYS) IN RECORD 05/30/2023 - 10/31/2023
STAGE GAGE TYPE Pressure Transducer
STAGE GAGE ELEVATION 0.26 feet Gage Height
STAFF GAGES 6
CREST STAGE GAGES 0
ZERO GAGE HEIGHT ELEVATION 1,251.38 feet NAVD88
POINT OF ZERO FLOW (GATED INLET) 0.64 feet Gage Height
POINT OF ZERO FLOW (UNGATED INLET, CURRENTLY BLOCKED) 5.60 feet Gage Height
SPILLWAY ELEVATION 24.64 feet Gage Height
TOP OF DAM ELEVATION 32.14 feet Gage Height

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BRIEF RATING

Current Discharge Rating = #4 - Applied since 09/20/2023
Current Capacity Rating = #4 - Applied since 10/01/2016
Gage
Height
(feet)		 Elevation
(feet NAVD 88)		 Volume
(acre-feet)		 Discharge
(cfs)
gated inlet		 Discharge
(cfs)
spillway
0.00 1,251.38 0.0 0 0
1.64 1,253.02 2.0 9 0
2.64 1,254.02 4.0 10 0
4.64 1,256.02 11.0 12 0
8.64 1,260.02 36.0 14 0
13.64 1,265.02 85.7 17 0
18.64 1,270.02 155.8 20 0
23.64 1,275.02 256.3 22 0
24.64 1,276.02 282.1 23 75
26.64 1,278.02 338.7 23 951
28.64 1,280.02 400.7 24 4,015
30.64 1,282.02 467.7 24 8,933
32.14 1,283.52 522.8 25 13,688

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WATER YEAR PEAKS

Water
Year		 Peak
Gage Height
(feet)		 Peak
Volume
(acre-feet)		 Percent
Full
(Available Storage Capacity)		 Date of
Peak
2025        
2024 None 0.0 0.0 None
2023 None 0.0 0.0 None
2022 None 0.0 0.0 None
2021 None 0.0 0.0 None
2020 None 0.0 0.0 None
2019 10.37 51.5 18.3 10/13/2018
2018 None 0.0 0.0 None
2017 None 0.0 0.0 None
2016 None 0.0 0.0 None
2015 None 0.0 0.0 None
2014 14.86 96 34.4 09/08/2014
2013 1.46 4.0 1.7 07/21/2013
2012 None 0.0 0.0 None
2011 None 0.0 0.0 None
2010 None 0.0 0.0 None
2009 None 0.0 0.0 None
2008 9.41 36 12.8 07/13/2008
2007 None 0.0 0.0 None
2006 None 0.0 0.0 None
2005 1.66 5 1.8 08/03/2005
2004 None 0.0 0.0 None
2003 3.68 13 4.6 09/04/2003
2002 None 0.0 0.0 None
2001 4.07 10 3.6 10/21/2000
2000 None 0.0 0.0 None
1999 4.02 10 3.6 07/15/1999
1998 3.91 9 3.2 08/17/1998
1997 None 0.0 0.0 None
1996 None 0.0 0.0 None
1995 4.26 12 4.3 09/28/1995
1994 3.45 8 2.8 11/15/1994
1993 4.80 15 5.3 01/11/1993
1992 1.90 3 1.1 11/11/1991
1991 2.30 4 1.4 05/24/1991
1990 5.50 18 6.4 08/15/1990
1989 (partial) 0.80 <1 0.0 09/03/1989

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IMPOUNDMENT EVENT HISTORY

Date of
Peak		 Time of
Peak		 Runoff
Start		 Runoff
End		 Duration
(hours)		 Peak
Stage
(feet GH)		 Peak
Volume
(acre-feet)		 Water
Year
View a Plot of These Data
               
10/13/2018 15:45 10/13/2018 13:46 10/17/2018 18:00 100 10.37 51.5 2019
10/02/2018 12:00 10/02/2018 09:16 10/04/2018 15:36 54.3 8.37 34.2 2019
09/27/2014 17:45 09/27/2014 16:00 09/29/2014 12:40 44.7 6.06 23 2014
09/08/2014 10:32 09/08/2014 02:25 09/12/2014 06:39 100 14.86 96 2014
08/12/2014 20:01 08/12/2014 19:51 08/13/2014 12:35 16.7 5.71 22 2014
07/21/2013 09:59 07/21/2013 09:56 07/21/2013 16:40 6.7 1.46 4.0 2013
08/28/2008 21:47 08/28/2008 21:47 single report 0.0 0.51 1 2008
07/13/2008 17:38 07/13/2008 16:10 07/15/2008 20:55 52.8 9.41 36 2008
08/03/2005 02:42 08/03/2005 01:47 08/03/2005 04:47 3.0 1.66 5 2005
09/04/2003 18:41 09/04/2003 18:21 09/04/2003 19:11 0.8 3.68 13 2003
07/30/2003 09:08 07/30/2003 08:28 07/30/2003 16:33 8.1 2.31 8 2003
10/21/2000 21:42 10/21/2000 20:07 10/22/2000 19:31 23.4 4.07 10 2001
07/15/1999 09:43 07/15/1999 06:53 07/16/1999 07:23 24.5 4.02 10 1999
08/17/1998 21:26 08/17/1998 20:11 08/18/1998 17:56 21.8 3.91 9 1998
08/12/1998 18:56 08/12/1998 18:56 08/12/1998 19:41 0.8 1.99 3 1998
09/28/1995 04:47 09/28/1995 03:47 09/29/1995 23:30 43.7 4.26 12 1995
08/21/1995 03:12 08/20/1995 21:37 08/22/1995 03:15 29.6 3.76 9 1995
11/15/1993 08:16 11/14/1993 18:00 11/16/1993 07:00 37.0 3.45 8 1994
01/11/1993 05:53 01/11/1993 00:40 01/13/1993 19:11 66.5 4.80 15 1993
12/22/1992 18:11 12/22/1992 18:11 single report 0.0 2.30 5 1993
12/04/1992 16:47 12/04/1992 16:32 12/05/1992 11:43 19.2 3.80 10 1993
11/11/1991 07:57 11/10/1991 18:10 11/20/1991 14:06 236 1.90 3 1992
05/24/1991 06:04 05/23/1991 12:42 06/22/1991 12:35 720 2.30 4 1991
09/15/1990 19:15 09/14/1990 21:46 09/17/1990 15:47 66.0 4.30 12 1990
08/15/1990 07:19 08/15/1990 05:11 08/26/1990 13:21 272 5.50 18 1990
07/24/1990 06:05 07/24/1990 04:53 08/02/1990 12:26 223 1.90 3 1990
07/15/1990 07:30 07/15/1990 03:41 07/21/1990 14:26 155 1.80 3 1990

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STAFF GAGES

Staff Gage Range (feet, NAVD88) Staff Gage Information
1,256.0    ---    1,260.0 Gage displays as follows: bottom of 1,257.0 is 1,257.0 and top of 1,257.0 is 1,258.0
Subtract 1,251,38 to get gage height.
1,261.0    ---    1,265.0 Gage displays as follows: bottom of 1,262.0 is 1,262.0 and top of 1,262.0 is 1,263.0
Subtract 1,251,38 to get gage height.
1,266.0    ---    1,270.0 Gage displays as follows: bottom of 1,267.0 is 1,267.0 and top of 1,267.0 is 1,268.0
Subtract 1,251,38 to get gage height.
1,271.0    ---    1,275.0 Gage displays as follows: bottom of 1,272.0 is 1,272.0 and top of 1,272.0 is 1,273.0
Subtract 1,251,38 to get gage height.
1,276.0    ---    1,280.0 Gage displays as follows: bottom of 1,277.0 is 1,277.0 and top of 1,277.0 is 1,278.0
Subtract 1,251,38 to get gage height.
1,281.0    ---    1,285.0 Gage displays as follows: bottom of 1,282.0 is 1,282.0 and top of 1,282.0 is 1,283.0
Subtract 1,251,38 to get gage height.

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