Real ChatGPT answer · index seedf0511s13l0wcompleteReal estate · housing marketslocal

How do I check if a house I want to buy in Portland is located in a flood zone or has any environmental hazard issues?

ChatGPTgpt-63 queries11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
How do I check if a house I want to buy in Portland is located in a flood zone or has any environmental hazard issues?
3 real searches · 1 real-search pass
Portland Oregon official property environmental hazard maps PortlandMaps floodplain landslide underground storage tanks contaminated sites DEQ ECSIGoogle ↗
OBSERVED
Oregon DEQ Environmental Cleanup Site Information database official map search property addressGoogle ↗
OBSERVED
Portland Oregon official radon map earthquake liquefaction landslide hazard maps propertyGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
Portland Oregon official property environmental hazard maps PortlandMaps floodplain landslide underground storage tanks contaminated sites DEQ ECSI Google ↗
Oregon DEQ Environmental Cleanup Site Information database official map search property address Google ↗
Portland Oregon official radon map earthquake liquefaction landslide hazard maps property Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Portland Oregon official property environmental hazard maps PortlandMaps floodplain landslide underground storage tanks contaminated sites DEQ ECSI
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Oregon DEQ Environmental Cleanup Site Information database official map search property address
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
Portland Oregon official radon map earthquake liquefaction landslide hazard maps property
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1