Who publishes EF NPDES?

U.S. EPA Office of Environmental Information, part of U.S. Environmental Protection Agency, publishes this dataset on Data.gov.

How often is it updated?

The publisher lists the update frequency as weekly. The last update was on 10/01/2019.

How do I download it?

It is available as CSV. Use the links in Files and access, which open the official government source.

Checked Oct 30, 2026

Federal dataMaps & Geospatial

EF NPDES

Name: EF NPDES
Creator: U.S. EPA Office of Environmental Information
Published: 2019-10-01T00:00:00.000Z

Published by U.S. EPA Office of Environmental Information · Updated 10/01/2019 · Weekly

Official source Download CSV

Last updated: 10/01/2019; First published 10/01/2019
Update frequency: Weekly
Formats: 1; CSV
Coverage: Nationwide; Federal data

About this dataset

EF_NPDES is a subset of facilities from FRS_PROGRAM_FACILITY and associataed best-available geospatial coordinates which are refreshed daily. The layer shows only points from the NPDES (National Pollutant Discharge Elimination System) and PCS (Permit Compliance System) programs as reported in ICIS (Integrated Compliance Information System).

Maps & Geospatial

Files and access

Links open the official government source

CSVdmap-data-commons-oms.s3.amazonaws.comCSV
Web pageenviro.epa.govWeb page

Links open outside websites we do not control.

Frequently asked questions

Who publishes EF NPDES?: U.S. EPA Office of Environmental Information, part of U.S. Environmental Protection Agency, publishes this dataset on Data.gov.
How often is it updated?: The publisher lists the update frequency as weekly. The last update was on 10/01/2019.
How do I download it?: It is available as CSV. Use the links in Files and access, which open the official government source.

Where this catalog comes from

Data.gov CatalogU.S. General Services Administration
State and local open data portalsSocrata Discovery API
State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
Government ArcGIS Hub sitesCity and county GIS data

Catalog checked 10/24/2026

We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.

Source: Data.gov · Last updated 10/24/2026 · Listing only; the data stays with the publisher