| Impacts - E19 Information |
| 5.5 Feet | Monitor stage. No flooding in reach from West Walker River Canyon through Antelope Valley CA, including Walker, Coleville, and Topaz CA. |
| 6.0 Feet | Flood Stage. Minor flooding of lowlands, pasture, and rural roads in West Walker River Canyon and Antelope Valley, including Walker, Coleville, and Topaz CA. Roughly similar to late May 2005, and slightly below peaks of June 2010 and May 2006. |
| 6.5 Feet | Moderate flooding of lowlands, pasture, and some rural roads from the West Walker River Canyon to Topaz Lake, including Walker, Coleville, and Topaz CA. Similar to peak of June 2011, and slightly below the peak of June 2017. |
| 7.0 Feet | Significant flooding of lowlands, agricultural land, yards, basements, rural roads in the West Walker River Canyon and in Antelope Valley, including Walker, Coleville, and Topaz CA. Flooding of structures limited although sandbagging necessary. Roughly similar to May 1996 flood, and slightly in excess of June 2017 peak. |
| 7.3 Feet | Major flooding in the West Walker River Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out, with major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon possible. |
| 7.5 Feet | Major flooding in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Many buildings, roads flooded and washed out. Major damage to agricultural lands. Extensive sandbagging required to protect property. Transportation affected. Severe damage to Highway 395 in West Walker Canyon. |
| 8.0 Feet | Flooding near disaster levels in the West Walker Canyon and in Antelope Valley - Walker, Coleville, and Topaz CA. Numerous structures flooded and roads washed out. Many sections of Highway 395 destroyed in West Walker Canyon. Major damage to agricultural land due to erosion and destroyed facilities, diversion dams, headgates, canals, levees. |
| 8.25 Feet | Flood disaster in West Walker Canyon and in Antelope Valley. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker Canyon with highway likely closed. Historically this flow has been reached or exceeded only once in January 1997. |
| 8.8 Feet | Flood disaster from Walker River Canyon to Antelope Valley/Topaz Lake. Widespread flood damage to roads, bridges, homes, and structures along river. Severe damage to Highway 395 in West Walker River Canyon with the highway probably closed. Historically this flow has been exceeded only once, in January 1997. |
| 9.5 Feet | Near record flooding. Area cut off as most transportation routes into area destroyed/flooded. Massive destruction of infrastructure and economy including utilities, roads, business, homes, etc. |
| 10.25 Feet | Flood of record. Highway 395 in West Walker River Canyon closed for months. Massive destruction to infrastructure and economy including transportation, power, water, homes, businesses, etc. Area isolated. At this stage in January 1997, a 6.5 mile stretch of Highway 395 completely scoured with debris from canyon deposited in the town of Walker. |
| 10.5 Feet | Incredible flood disaster in excess of January 1997 event. |
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