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Water quality data

Metadata Updated: September 17, 2023

The ZTRAX data is a national database of property sales collected by Zillow. The data is available to researchers who submit a research proposal to Zillow. Portions of this dataset are inaccessible because: Not publicly available. They can be accessed through the following means: Requires a data sharing agreement with Zillow. Format: National property sales database

This dataset is associated with the following publication: Mamun, S., A. Castillo, K. Swedberg, J. Zhang, K.J. Boyle, D. Cardoso, C.L. King, C. Nolte, M. Papenfus, D. Phaneuf, and S. Polasky. Valuing water quality in the United States using a national dataset on property values. PNAS (PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES). National Academy of Sciences, WASHINGTON, DC, USA, 120(5): e2210417120, (2023).

Access & Use Information

Public: This dataset is intended for public access and use. License: See this page for license information.

Downloads & Resources



Metadata Created Date September 17, 2023
Metadata Updated Date September 17, 2023

Metadata Source

Harvested from EPA ScienceHub

Additional Metadata

Resource Type Dataset
Metadata Created Date September 17, 2023
Metadata Updated Date September 17, 2023
Publisher U.S. EPA Office of Research and Development (ORD)
Data Last Modified 2022-10-24
Public Access Level public
Bureau Code 020:00
Schema Version
Data Dictionary
Harvest Object Id df0b52fe-a788-4359-a73e-24e5b9cba07a
Harvest Source Id 04b59eaf-ae53-4066-93db-80f2ed0df446
Harvest Source Title EPA ScienceHub
Program Code 020:000
Publisher Hierarchy U.S. Government > U.S. Environmental Protection Agency > U.S. EPA Office of Research and Development (ORD)
Related Documents,
Source Datajson Identifier True
Source Hash cb51797bc40b61243e90ba65ee958e67d3661d6bb7475d3881f757746086b96e
Source Schema Version 1.1

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