Lake County, CA Environment & Hazard Risk

• WildfireRelatively High$20.3M/yr expected annual loss, about once every 59 years
• LandslideRelatively High$872K/yr expected annual loss, about 94 events a year
• EarthquakeRelatively Moderate$23.8M/yr expected annual loss, about once every 12 years
• Volcanic activityRelatively Moderate$484K/yr expected annual loss, about once every 10,000 years
• DroughtRelatively High$2.3M/yr expected annual loss, about 60 events a year
• AvalancheRelatively High$1.3M/yr expected annual loss, about once every 8 years
• Heat waveRelatively Low$329K/yr expected annual loss, about 6.7 events a year
• Winter weatherRelatively Low$19.6K/yr expected annual loss, about 8.8 events a year
• LightningVery Low$58.8K/yr expected annual loss, about 5.4 events a year
• TornadoVery Low$59.6K/yr expected annual loss, about once every 10 years
• HailVery Low$5,276/yr expected annual loss, about once every 23 years
• Strong windVery Low$6,001/yr expected annual loss, about once every 109 years

Bars show the national percentile score (0 to 100) for each hazard. Dollar figures are expected annual losses to buildings, people and crops. Not rated here: coastal flooding, cold wave, hurricane, ice storm, riverine flooding, tsunami.

Check the flood zone for an address

Homes with flood insurance

871 of 36,234 (2.4%)

Homes in high-risk flood zones

5,319

Insured in high-risk zones

805 (15%)

Flood claims since 1978

1,432

Claims paid since 1978

$14.2M

• Flood25 · 1 death
• Heavy Rain21
• Winter Weather5
• High Wind4
• Flash Flood2
• Debris Flow2
• Hail1
• Heavy Snow1
• Lightning1

• Flood01/01/2006

  Countywide, Lake County

  1 death, 1 injured, $1M damage

  What happened

  A series of warm winter storms brought heavy rain, mudslides, flooding, and high winds to Northern California. - Levee overtopping, breaching, and river flooding occurred along the Feather and Sacramento mainstem rivers as well as along numerous smaller rivers, creeks, and streams. Several urban areas had significant street flooding. The Sacramento weir was opened for the first time since 1997 with twenty gates opened. - Transportation throughout the area was difficult during the course of the storms as airports were closed due to the high winds and major road closures resulted from flooding and mudslides. Interstate 80...the main artery between Sacramento and the San Francisco Bay area...was closed near Fairfield in Solano County for several hours due to severe flooding. Additionally, Interstate 80 eastbound between Sacramento and Reno, NV, was closed for more than a day due to a massive mudslide, as was both directions of U.S. Highway 50 between Sacramento and South Lake Tahoe.- The primary weather impacts were due to flooding. Snow levels during this period of precipitation were high...around 7000 to 8000 feet along much of the Sierra Nevada mountain range. - Three...

• Flood02/10/2017

  Lakeport, Lake County

  $7M damage

  What happened

  Flooding of Clear Lake brought the closure of multiple roads. Lakeshore Boulevard was closed due to flooding between Lange Street and Giselman Street, Other strees closed included Esplanade Street, K Street, Konoctie Avenue, and Lupoyoma Avenue. Clear Lake���s level stayed in flood stage for a month and led to mandatory evacuations in parts of the city of Lakeport. Lake County Public Works Director said early assessments suggested damage to county-maintained roads ranged between $5 million and $7 million.

• Flood02/13/2019

  Witter Spgs, Lake County

  3 injured, $20K damage

  What happened

  The media reported that they received information from the California Highway Patrol that a vehicle was swept into Scotts Creek as they were trying to cross a flooded roadway. 3 people were rescued from the car.

• Flood12/11/2014

  Lower Lake Pearce Ar, Lake County

  $400K damage

  What happened

  Flooding was reported in Clearlake, bringing significant and widespread damage. Neighborhoods were evacuated. Roads were damaged. Extensive road repair and debris removal was required.

• Debris Flow12/11/2014

  Lakeport, Lake County

  $300K damage

  What happened

  A slide at Lakeside Heights over topped the K-railing that was placed at the base of the slope and extended out into Hill Road, blocking an access to Sutter Lakeside Hospital.

• Highlands Mutual Water CompanyServes 7,772 · Surface water · Private1 health violation
• Hidden Valley Lake CsdServes 6,235 · Groundwater · Local governmentNo health violations
• Konocti County Water DistrictServes 5,928 · Surface water · Local governmentNo health violations
• Lakeport, City ofServes 4,762 · Surface water · Local governmentNo health violations
• Golden State Water Co.-Clearlake SystemServes 4,623 · Surface water · PrivateNo health violations
• Mt. Konocti Mutual Water CompanyServes 4,360 · Surface water · Local governmentNo health violations
• Kelseyville Co Waterworks District 3Serves 4,102 · Groundwater · Local governmentNo health violations
• Lake County Csa 21 - North LakeportServes 4,046 · Surface water · Local governmentNo health violations