FEMA puts Bonney Lake’s expected hazard damage per building above that of 70% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Bonney Lake gets a C for hazard risk: higher expected damage per building than 70% of U.S. towns, #105 of 285 in Washington. Most of that expected damage is river and rain flooding (50%), then earthquakes (49%). Flood insurance has paid 3 claims here since 2006.
Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded
What Bonney Lake faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Earthquakes
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
What’s behind Bonney Lake’s grade
River and rain flooding is 50% of the building damage FEMA expects in Bonney Lake, and Bonney Lake’s rate of river and rain flooding damage is lower than 50% of U.S. census tracts. Next is earthquakes at 49% (higher than 88% of U.S. census tracts).
C #105 of 285 in Washington; higher expected damage per building than 70% of U.S. towns (21,298).
Bonney Lake’s residents live in 9 census tracts; FEMA’s figures are combined by where they live.
The typical Washington town has higher expected damage than 76% of U.S. towns; within the state, Bonney Lake has less expected damage per building than 63% of Washington towns.
In dollars, FEMA expects about $8.8M a year in losses across Bonney Lake: $5.7M to buildings, the rest to people and crops.
Does Bonney Lake flood? Rarely: 3 flood claims since 2006
Every paid claim on a federal flood insurance policy in Bonney Lake, from FEMA’s records: 0.4 per 1,000 homes, fewer than 92% of the 13,809 U.S. towns with a flood insurance record.
- The 2025-12-AtmosphericRiver1 claim · $20K
- The Torrential rain1 claim · $3K
Bonney Lake isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Pierce County.6 federal disasters brought FEMA money to Bonney Lake
Disasters that paid out in Bonney Lake itself (aid to households or repair grants to the City of Bonney Lake), newest first, with that year’s flood claims.
- 2025Severe Storms, Straight-line Winds, Flooding, Landslides, and Mudslides19 households applied for aid$29K aid approved1 flood claim paid that year
- 2012Severe Winter Storm, Flooding, Landslides, and Mudslides$112K to the City of Bonney Lake for repairs
- 2009Severe Winter Storm, Landslides, Mudslides, and Flooding12 households applied for aid$10K aid approved1 flood claim paid that year
- 2008Severe Winter Storm and Record and Near Record Snow$12K to the City of Bonney Lake for repairs
- 2006Severe Winter Storm, Landslides, and Mudslides$51K to the City of Bonney Lake for repairs
- 2006Severe Storms, Flooding, Landslides, and Mudslides5 households applied for aid$2K aid approved$9K to the City of Bonney Lake for repairs
Pierce County has had 21 natural disasters declared by the President since 1953, most often severe storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Also 1 FEMA wildfire suppression grant (Fire Management Assistance, not a disaster declaration) for fires in Pierce County, 2020–2020.
Old photos of Bonney Lake after a storm or flood belong in the town’s history. Add one, or share what you remember below.
Add to the Bonney Lake archive →Bonney Lake and its neighbors
Bonney Lake is 2nd of the 6 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Lake Tapps | C+more damage than 65% | earthquakes | 1 |
| Bonney Lake | Cmore damage than 70% | river and rain flooding | 3 |
| Prairie Ridge | C−more damage than 76% | earthquakes | 20 |
| Prairie Heights | C−more damage than 78% | river and rain flooding | — |
| Alderton | Dmore damage than 87% | river and rain flooding | 53 |
| Sumner | D−more damage than 97% | earthquakes | 131 |
Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.
Get ready for what Bonney Lake faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Bonney Lake
Is Bonney Lake at risk for natural disasters?
On FEMA’s National Risk Index, Bonney Lake has higher expected damage per building than 70% of U.S. towns: C for hazard risk, #105 of 285 in Washington. Most of the expected damage is river and rain flooding (50%) and earthquakes (49%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Does Bonney Lake flood?
Flood insurance has paid 3 claims in Bonney Lake since 2006, $28K in all, or 0.4 per 1,000 homes, fewer than 92% of U.S. towns with a flood insurance record. 1 properties have flooded more than once. The most claims came from 2025-12-AtmosphericRiver (1).
Is Bonney Lake in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Pierce County, 44% of homes in mapped flood zones carry federal flood insurance, and 0.7% of all homes do.
How much is flood insurance in Bonney Lake?
FEMA’s Community Rating System list shows no discount for Bonney Lake’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
What was the biggest storm in Bonney Lake?
By FEMA money that reached Bonney Lake, Severe Winter Storm, Flooding, Landslides, and Mudslides (2012): $112K to the City of Bonney Lake for repairs. By flood claims, 2025-12-AtmosphericRiver: 1 paid, $20K.
Is Bonney Lake at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (50%), and Bonney Lake’s rate for it is lower than 50% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Bonney Lake.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Bonney Lake’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.