Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Ralston Creek (CO) at Arvada Stage (ft)Flow (cfs)Observed: 1.31 ft at 3:13AM Jul 09, 2020Observed: 1.31 ft at 6:41AM Jul 09, 2020Observed: 1.29 ft at 6:39PM Jul 09, 2020Observed: 1.35 ft at 10:28PM Jul 09, 2020Observed: 1.29 ft at 5:22AM Jul 10, 2020Observed: 1.28 ft at 6:37AM Jul 10, 2020Observed: 1.22 ft at 9:16AM Jul 10, 2020Observed: 1.17 ft at 5:25PM Jul 10, 2020Observed: 1.18 ft at 6:35PM Jul 10, 2020Observed: 1.23 ft at 2:10AM Jul 11, 2020Observed: 1.19 ft at 6:33AM Jul 11, 2020Observed: 1.13 ft at 1:43PM Jul 11, 2020Observed: 1.1 ft at 6:31PM Jul 11, 2020Observed: 1.15 ft at 11:50PM Jul 11, 2020Observed: 1.18 ft at 6:29AM Jul 12, 2020Observed: 1.12 ft at 4:04PM Jul 12, 2020Observed: 1.15 ft at 6:27PM Jul 12, 2020Observed: 1.21 ft at 10:31PM Jul 12, 2020Observed: 1.32 ft at 10:44PM Jul 12, 2020Observed: 1.44 ft at 10:54PM Jul 12, 2020Highest Observation: 1.49 ft at 11:04PM Jul 12, 2020Observed: 1.44 ft at 11:46PM Jul 12, 2020Observed: 1.38 ft at 12:02AM Jul 13, 2020Observed: 1.32 ft at 12:23AM Jul 13, 2020Observed: 1.27 ft at 12:50AM Jul 13, 2020Observed: 1.21 ft at 1:35AM Jul 13, 2020Observed: 1.15 ft at 5:02AM Jul 13, 2020Observed: 1.15 ft at 6:25AM Jul 13, 2020Observed: 1.1 ft at 10:30AM Jul 13, 2020Observed: 1.04 ft at 3:08PM Jul 13, 2020Observed: 1.1 ft at 6:23PM Jul 13, 2020MHFDCRPC2(plotting HGIRZ) Graph Created (12:00AM Jul 14, 2020)ObservedLatest observed value: 1.1 ft at 6:23 PM MDT 13-Jul-2020. Flood Stage is 4.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Ralston Creek (CO) at Arvada. Only observed stages are available for this point.
Return to Area Map
Downstream Gauge Downstream Gauge - at Arvada
Flood Categories (in feet)
Major Flood Stage: 5.5
Moderate Flood Stage: 5
Flood Stage: 4.5
Action Stage: 3.5
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
KML Image
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
If you notice any errors in the below information, please contact our Webmaster
8 HOUSES IN WESTWOODS NEIGHBORHOOD FLOODED
6.5 OUTBUILDING IN WESTWOODS NEIGHBORHOOD FLOODED
5.5 BRIDGES DOWNSTREAM ON RALSTON CREEK FLOODED
4.5 CANAL WALL OVERTOPPED.
3.5 OVERFLOW BANKS INTO MEADOWS.
About This Location Collapse

Latitude: 39.820000° N, Longitude: 105.173300° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 4.5 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 5590 5594.5 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Observations provided by the Mile High Flood District
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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.
NWS Information
National Weather Service
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
Ask Questions/Webmaster
Page last modified: 4-Mar-2019 11:28 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities