South Platte River at Fort Lupton

Last updated: Jun 30, 2025, 2:18 AM UTC

Severe Thunderstorm Watch

Warning: no valid ratings curve available. Transformations to and from FEET/CFS/KCFS will not happen.

U.S. Geological Survey
Observations courtesy of U.S. Geological Survey

Scale to Flood Categories

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Observed (OBS) 06/29/2025 7:00 PM MDT

CATEGORY STAGE

Major Flooding 15 ft

Moderate Flooding 13 ft

Minor Flooding 11 ft

Action 10 ft

Reliability of the Forecast:

NOTE: Forecasts are issued as needed during times of high water, but are not routinely available.
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	CATEGORY	STAGE
	Major Flooding	15 ft
	Moderate Flooding	13 ft
	Minor Flooding	11 ft
	Action	10 ft

Flood Impacts 🅘

15 - Numerous roads along and crossing the river are damaged and impassable. There is extensive flooding of agricultural land and inundation of structures near the river.
14 - Significant flooding is likely, including some structures near the river between Fort Lupton and Platteville.
13 - Water flows over or around several bridges crossing the river. There is moderate flooding and damage to agricultural lands.

Gauge Info

Coordinates	40.1161, -104.818
RFC	MBRFC
State	CO
WFO	BOU
County	Weld
Data Provider(s)
U.S. Geological Survey	USGS--Water Resources of the United States
USGS	06721000

Gauge Location

Recent Crests

1.	7.23 ft	on 06-26-2021
2.	6.93 ft	on 05-25-2020
3.	7.05 ft	on 07-21-2019
4.	6.71 ft	on 07-24-2018
5.	8.55 ft	on 05-18-2017

Historic Crests

1.	10.98 ft	on 09-13-2013
2.	10.82 ft	on 06-12-2015
3.	10.44 ft	on 04-25-2007
4.	9.93 ft	on 08-19-2004
5.	9.81 ft	on 07-13-2011

Vertical Datum Table

type	NGVD29
major Flooding	4875.00 ft
moderate Flooding	4873.00 ft
minor Flooding	4871.00 ft
action	4870.00 ft
Latest Value	4863.76 ft
Gauge Zero	4860.00 ft

Gauge Photos

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Looking Downstream

Probability Information

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Chance of Exceeding Levels During Entire Period
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Weekly Chance of Exceeding Levels
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Short Range Forecast Uncertainty
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Unique Local Info

Observations provided by the U.S. Geological Survey in cooperation with Metro Wastewater Reclamation District.

Collaborative Agencies

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.

Resources

Hydrologic Resource Links

Additional Resource Links

WFO Information

Weather Forecast Office

Denver/Boulder

325 Broadway

Boulder, CO 80305-3328

(303) 494-4221

Ask Questions/Webmaster

Official Homepage

1.	7.23 ft	on 06-26-2021
2.	6.93 ft	on 05-25-2020
3.	7.05 ft	on 07-21-2019
4.	6.71 ft	on 07-24-2018
5.	8.55 ft	on 05-18-2017
6.	7.56 ft	on 04-30-2016
7.	10.82 ft	on 06-12-2015
8.	9.06 ft	on 07-31-2014
9.	10.98 ft	on 09-13-2013
10.	7.90 ft	on 09-12-2012
11.	9.81 ft	on 07-13-2011
12.	9.71 ft	on 04-24-2010
13.	9.70 ft	on 06-02-2009
14.	8.99 ft	on 08-16-2008
15.	10.44 ft	on 04-25-2007
16.	9.12 ft	on 08-05-2005
17.	9.93 ft	on 08-19-2004
18.	7.52 ft	on 05-11-2003

1.	10.98 ft	on 09-13-2013
2.	10.82 ft	on 06-12-2015
3.	10.44 ft	on 04-25-2007
4.	9.93 ft	on 08-19-2004
5.	9.81 ft	on 07-13-2011
6.	9.71 ft	on 04-24-2010
7.	9.70 ft	on 06-02-2009
8.	9.12 ft	on 08-05-2005
9.	9.06 ft	on 07-31-2014
10.	8.99 ft	on 08-16-2008
11.	8.55 ft	on 05-18-2017
12.	7.90 ft	on 09-12-2012
13.	7.56 ft	on 04-30-2016
14.	7.52 ft	on 05-11-2003
15.	7.23 ft	on 06-26-2021
16.	7.05 ft	on 07-21-2019
17.	6.93 ft	on 05-25-2020
18.	6.71 ft	on 07-24-2018