Daily Flood Situation Report May 1

Helen KnipeDaily Flood Situation Report

Significant State Activity

Other Immediate Concerns

New The most significant rises are currently forecast for the Lower Weber River at Plain City, the Little Bear at Paradise, and East Canyon Creek near Jeremy Ranch downstream to East Canyon Reservoir. See Hydrologic Outlook here [NWS Twitter]
Active Current flood risk is spring runoff, increasing streamflows, and snowmelt. Some reported flood-related landslides are being monitored.

Current State (SERT) Actions

  • Active The State EOC is now at Activation Level 2-Partial Activation.
Map of Utah with regions based on emergency management.
Region 1

Cache County
Active The Bureau of Reclamation, Utah Division of Water Resources, and Cache County are actively monitoring the Hyrum Dam for potential high-flow releases in the Little Bear River that may exceed the safe channel capacity. [Bureau of Reclamation, Interagency Correspondence]
Active Due to the heavy snowpack, the county has also determined that it is both necessary and appropriate to extend the seasonal restrictions on county roads to motorized vehicles. [Cache County]
Morgan County
Active The National Weather Service (NWS) has advised the County that East Canyon Creek will go above flood stage on Sunday and into the first part of next week. The County is preparing and monitoring. [LNO Correspondence]

Rich County
New On the evening of April 30th, Garden City experienced flooding actively crossing the highway into Bear Lake.[UHP]

Weber County
New Flooding in both directions SR-39 at MP 10 (2 miles east of Ogden). [UDOT Traffic]


Region 2


Salt Lake County

  • New On April 30th, Springville City declared a local declaration of emergency. [LNO Correspondence]
  • New Crews worked in Emigration Canyon through the night on debris management. Unclogging culverts is difficult due to the opening of the culvert often being submerged, therefore there is a lack of visibility for equipment. Crews removed 3 pallets from a clogged culvert at the mouth of the canyon. Things are under control, but the flows are high. [LNO Correspondence, SLCo]
  • Active Sugar House Park is closed through May 1st for continued controlled releases. [SLCo Parks & Recreation]
  • Update SR-190 to close today (5/1) from 11am-5pm due to avalanche hazard. [UDOT Canyons]
  • Update SR-210 will be closed today (5/1) at 8 am due to avalanche hazards. No ETO for any public travel periods. [UDOT Canyons]

Utah County

  • New US-89 is closed around Thistle due to flooding issues. Up to 6 inches of water is on the road. Utah Highway Patrol (UHP) is sending troopers to divert traffic SB at US-89 and NB to turn drivers around just before the flooded areas. NB US-89 is closed at MP 310 (1 mile south of Thistle). This may go into May 2nd. [UHP, UDOT Traffic]

Region 3


● No significant updates to report at this time.


Region 4

Garfield County
New Asay Creek continues to run high and the Sevier River is flooding the lowlands. [LNO Correspondence]


Region 5


● No significant updates to report at this time.

Region 6/7

Grand County

Update Dolores River – Predicting a rise of greater than 16 feet, putting Dolores River over its bank at the University of Utah’s Bonderman Field Station at Rio Mesa. This is earlier than anticipated, before the spill release of the McPhee on May 4th. [LNO Correspondence]

Tribal Nations

● No significant updates to report at this time.

Impact and activity information is provided by Local Emergency Management partners, the State Emergency Response Team (SERT), and private and non-profit partners through various coordinating communication channels. This is a developing situation, and information may quickly become outdated. Additional situation reports may be made as verified information becomes available.