Website and analysis code for AMEND, the Archive of Massachusetts Environmental Data
The US Environmental Protection Agency (EPA) provides a tabulated environmental justice (EJ) dataset and mapping tool called EJSCREEN. The EJSCREEN dataset consists of information across a variety of environmental indicators like stream toxicity, demographic indicators like the percentage of residents reporting membership in a racial minority group, and EJ indexes like ozone pollution levels for each US Census block group. This data originates from the US Census, EPA, and other sources.
The US EPA provides extensive documentation and a description of limitations and caveats for this data on their website.
The US EPA makes the tabulated EJSCREEN data available on an FTP site. The 2017 and 2023 versions of these records have been filtered to MA Census block groups and archived on this site, last updated on 17 October 2023.
A data dictionary for the EJSCREEN data is available at data.gov.
In addition to including this data in the integrated AMEND Database, we provide them in CSV format below.
For brevity, a random sample of 10 rows from the EJSCREEN table is shown below for illustration as to the table’s form and content. Because there are more than 100 columns in this dataset, only a few are shown here for illustration.
| Block Group ID | State | Ozone | Racial Minority Pct | Land Area |
|---|---|---|---|---|
| 250173106012 | MA | 37.3521233333 | 0.444512381535 | 3441077.0 |
| 250173400003 | MA | 35.7302933333 | 0.471111111111 | 174933.0 |
| 250092608002 | MA | 37.2066083333 | 0.611338797814 | 431524.0 |
| 250010152001 | MA | 40.1266616667 | 0.0530546623794 | 8550902.0 |
| 250173652023 | MA | 36.6294383333 | 0.137410643368 | 5726413.0 |
| 250173581004 | MA | 35.8259283333 | 0.342937456079 | 1365551.0 |
| 250110406003 | MA | 37.1239766667 | 0.0165853658537 | 115950683.0 |
| 250056406003 | MA | 38.8324333333 | 0.179748352307 | 180821.0 |
| 250235611002 | MA | 39.118255 | 0.111829944547 | 2222613.0 |
| 250277330003 | MA | 37.6774683333 | 0.571428571429 | 468815.0 |
For brevity, a random sample of 10 rows from the EJSCREEN table is shown below for illustration as to the table’s form and content. Because there are more than 100 columns in this dataset, only a few are shown here for illustration.
| Block Group ID | State | Ozone | Racial Minority Pct | Land Area |
|---|---|---|---|---|
| 250010130021 | MA | 59.77136 | 0.150515464 | 7153460.0 |
| 250092544011 | MA | 54.67033 | 0.444073456 | 2558247.0 |
| 250214431051 | MA | 58.24968 | 0.241537054 | 10802299.0 |
| 250092544032 | MA | 54.78944 | 0.327433628 | 2016662.0 |
| 250110415021 | MA | 55.08709 | 0.078692494 | 58142111.0 |
| 250173824001 | MA | 56.67007 | 0.245923913 | 451965.0 |
| 250173547001 | MA | 57.66686 | 0.368603643 | 207470.0 |
| 250250612031 | MA | 58.69081 | 0.244525547 | 352712.0 |
| 250259807001 | MA | 57.93349 | 0.0 | 2888945.0 |
| 250173342003 | MA | 56.41243 | 0.122352941 | 475139.0 |