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Hydrograph River at a Glance Download
Purgatoire River below Trinidad Lake Stage (ft)Flow (cfs)USGS--Water Resources of the United StatesPGRC2(plotting HGIRG) Graph Created (9:32PM Jan 16, 2017)ObservedLatest observed value: 3.95 ft at 1:30 PM MST 13-Jan-2017. Flood Stage is 10 ft
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Datum: NGVD29
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 30 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Purgatoire River below Trinidad Lake are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Madrid Upstream Gauge Downstream Gauge Downstream Gauge - at Trinidad
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 8
Low Stage (in feet): 0

Historic Crests
(1) 8.01 ft on 08/06/2004
(2) 7.89 ft on 09/10/1981
(3) 7.86 ft on 05/14/1994
(4) 7.85 ft on 08/03/1999
(5) 7.85 ft on 08/03/1990
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(P): Preliminary values subject to further review.

Recent Crests
(1) 7.61 ft on 07/17/2013
(2) 7.29 ft on 08/10/2010
(3) 7.47 ft on 09/02/2008
(4) 7.76 ft on 05/31/2005
(5) 8.01 ft on 08/06/2004
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(P): Preliminary values subject to further review.

Low Water Records
(1) 3.99 ft on 12/21/2009

For more information on your flood risk go to

Zoom Level:14
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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
12 Damage occurs to construction works near Trinidad Lake Dam
10 Water rises over railroad tracks near Trinidad Lake Dam
8 The river is bankfull
About This Location Collapse

Latitude: 37.143889° N, Longitude: 104.547222° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 6073.64 ft 6083.64 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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River stage observations provided by the USGS
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Hydrologic Resources Additional Resources
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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.
NWS Information
National Weather Service
Pueblo Weather Forecast Office
3 Eaton Way
Pueblo, CO 81001
(719) 948-9429
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Page last modified: 21-Dec-2016 5:19 PM
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