Enter any address in Trinity County, California to see its FEMA flood zone
2 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Trinity County, California has recorded 7 flood-related events since 1996 according to NOAA's Storm Events Database, including 3 flash floods and 4 river or area floods. The county has received 32 federal disaster declarations, 10 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1964–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Flood | Mar 9, 2023 |
| Severe Winter Storms, Straight-line Winds, Flooding, Landslides, And Mudslides | Severe Storm | Feb 21, 2023 |
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Flood | Dec 27, 2022 |
| Monument Fire | Fire | Aug 17, 2021 |
| Wildfires | Fire | Jul 14, 2021 |
| Wildfires | Fire | Aug 14, 2020 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Winter Storms, Flooding, Landslides, And Mudslides | Severe Storm | Feb 24, 2019 |
| Carr Fire | Fire | Jul 23, 2018 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 2, 2022 | 2.00K |
| Flood | Oct 24, 2021 | 0.00K |
| Flash Flood | Oct 21, 2021 | 3.20M |
| Flood | Mar 22, 1998 | — |
| Flood | Dec 29, 1996 | — |
| Flash Flood | Jul 14, 1996 | — |
Flash Flood — Aug 2, 2022
Monsoonal moisture surged northward into Northern California and a persistent low offshore brought the threat for thunderstorms the first several days of August. The 2nd of August was the peak for the thunder. A handful of special weather statements were issued over the course of several days. One storm set up over the River Complex Burn Scar from 2021 on August 2nd shortly before 6 p.m. A Flas...
Flood — Oct 24, 2021
Several rounds of heavy rain occurred across northwest California from October 21st to October 25th. The first round of heavy rainfall was associated with a frontal passage, and that event yielded rainfall rates sufficient for debris flows occurring across the River Complex burn scar. The next heavy rainfall event was associated with a classic atmospheric river on October 24th. Impacts were mai...
Flash Flood — Oct 21, 2021
An atmospheric river aided in heavy rain development across the River Complex burn scar. One or possibly more debris flows occurred as a result. Removal, protective measures, and repair costs from this debris flow are estimated to be $3.2 million.
Flood — Mar 22, 1998
Small stream flooding on Coffee Creek at Trinity Center and around Hayfork in Trinity County. In Humboldt County, the Elk River flooded on the lower reaches.
Flash Flood — Jul 14, 1996
A stationary thunderstorm over the Trinity Alps produced heavy rain at the headwaters of Canyon Creek and the North Fork of the Trinity River. A Trinity County Sheriff's Department sergeant reported a six foot wall of water in Canyon Creek near Junction City. US Forest Service rangers reported water levels 10 feet above base flow at the head of Canyon Creek. Hikers in the Trinity Alps Wilder...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Trinity County, California:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Trinity County, California that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.