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Hydrograph River at a Glance Download
Reata Pass Wash above Scottsdale Stage (ft)Flow (kcfs)Highest Observation: 0.3 ft at 6:00PM May 20, 2022Highest Observation: 0.3 ft at 11:59PM May 20, 2022Highest Observation: 0.3 ft at 6:00AM May 21, 2022Highest Observation: 0.3 ft at 12:00PM May 21, 2022Highest Observation: 0.3 ft at 6:00PM May 21, 2022Highest Observation: 0.3 ft at 11:59PM May 21, 2022Highest Observation: 0.3 ft at 6:00AM May 22, 2022Highest Observation: 0.3 ft at 12:00PM May 22, 2022Highest Observation: 0.3 ft at 6:00PM May 22, 2022Highest Observation: 0.3 ft at 11:59PM May 22, 2022Highest Observation: 0.3 ft at 12:00PM May 23, 2022Maricopa County Flood Control DistrictRPWA3(plotting HGIRR) Graph Created (5:33PM May 23, 2022)ObservedLatest observed value: 0.3 ft at 12:00 PM MST 23-May-2022. Flood Stage is 4 ft
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Tabular Data (UTC)
Tabular Data (MST)
XML Data
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Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Reata Pass Wash above Scottsdale. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 7
Moderate Flood Stage: 5
Flood Stage: 4
Action Stage: 1.6
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
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7 Major flooding along Reata Pass Wash. Widespread flooding throughout floodplain. Significant breakout of floodwater likely down Dobson Wash.
5 Moderate flooding along Reata Pass Wash. Water begins to encroach on residences most flood prone.
4 Minor flooding. Numerous low water crossings flooded along Reata Pass Wash. Low lying areas in floodplain inundated. Outbuildings and structures near residences potentially impacted. Bank erosion likely in reaches of wash without bank protection.
1.6 Low water crossings impacted along Reata Pass Wash. Stage corresponds to Maricopa County Flood Control Alarm Stage for this stream gage.
About This Location Collapse

Latitude: 33.698056° N, Longitude: 111.864167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 4 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
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