| Impacts - E19 Information |
| 5.5 Feet | Bankfull conditions are possible. Isolated minor lowland flooding occurs upstream and downstream of Elko. No flooding expected in Elko. |
| 6.2 Feet | Minor lowland flooding occurs upstream and downstream of Elko. Very minor flooding from backed-up storm drains begins in Elko, especially the parking lots on Water St between 7th and 9th Streets. |
| 6.7 Feet | Minor flooding begins in Elko. The storm drain at 1st and Water Streets starts to back up. |
| 7.0 Feet | Minor lowland flooding begins throughout the reach and minor flooding of rural roads occurs. Minor flooding occurs from backed-up storm drains in Elko along the following intersections: 1st and Water Streets, 3rd and Water Streets, the parking lots on Water Street between 7th and 9th Streets, 2nd and Douglas Streets, and 6th and Front Streets. |
| 8.0 Feet | Moderate lowland flooding occurs throughout the reach, with minor flooding in Elko caused by backed-up storm drains. Minor flooding of rural roads occurs. In Elko, flood waters continue to rise between Douglas and Water Streets on the north side of the river, and to Front Street south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements will be impacted along this cooridor. |
| 8.5 Feet | Moderate flooding occurs throughout the reach, including Elko. Some flooding and damage occurs to rural roads throughout the flood plain. Elko flooding occurs between Douglas and Water Streets north of the river and to Front Street south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements will be impacted along this cooridor. |
| 9.0 Feet | Moderate to major flooding occurs throughout the reach. Significant damage occurs to roads, railroads, and structures. Livestock are impacted. Elko flooding occurs between Douglas and Water Streets north of the river and to Front Street south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements will be impacted along this cooridor. City pumping of flooded areas begins. |
| 10.0 Feet | Major flooding occurs throughout the reach. Major damage occurs to roads, railroads, and structures. Livestock are impacted. Elko is flooded to near River Street north of the river, and to near Wilson Avenue south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements in low-lying parts of town flood. Flooded areas are pumped by the city. Elko sewage treatment plant reaches capacity. |
| 10.7 Feet | Near-record flooding. Significant damage to roads, railroads, and structures. Moderate impact occurs to transportation and communications. Livestock will be greatly impacted. Elko is flooded from near River Street north of the river to near Wilson Street south of the river. Flooding also occurs north of 12th Street including Opal Drive and southwest of A Street to near Bullion Road. River is above storm drain elevation. Elko sewage plant exceeds capacity. |
| 11.0 Feet | Record flooding. Major damage occurs to roads, railroads, and agriculture, including livestock drownings. Major impact occurs to transportation and communications. Approaches to all three bridges in Elko are nearly flooded: Errecart Boulevard, 5th Street, and 12th Street. Homes located within the floodplain could be impacted. |
| 11.5 Feet | Flood disaster. Major damage occurs to roads, railroads, and agriculture, including livestock drownings. Major impact occurs to transportation and communications. Approaches to all three bridges in Elko will likely flood: Errecart Boulevard, 5th Street, and 12th Street. Homes located within the floodplain could be impacted. |
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