Skip to main content

An official website of the United States government

Here’s how you know

Here’s how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Data
Metrics
Organizations
User Guide
Contact

Search datasets

Found 11 datasets matching filters. (clear all filters)

Sort by

Draw a geographic box

Draw and drag to set the area, then Apply . Use Within/Intersect to match datasets to the box. The map displays top 20 Within results.

Within

Intersect

#1 Federal
Flow management for hydropower extirpates aquatic insects, undermining river food webs
- Organization: Department of the Interior
- Dataset Last Updated: August 27, 2020 at 12:00 AM
Two unique datasets were gathered to document whether flow management for hydropower affects the abundance and diversity of aquatic insect assemblages. The first dataset was collected in Grand...
- xml
- xml
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: May 05, 2026 at 07:28 PM
#2 Federal
National Capital Region Network Biological Stream Survey Data Package - cumulative through 2022
- Organization: Department of the Interior
- Dataset Last Updated: May 20, 2026 at 12:00 AM
This is the biological stream survey monitoring dataset collected by the National Capital Region Network (NCRN) Inventory and Monitoring Program from 2004 through 2022. Biological stream surveys...
- xml
- csv
- csv
- csv
- csv
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 26, 2026 at 03:37 PM
#3 Federal
Physical habitat, landscape data, and water chemistry in the Karun River Basin
- Organization: U.S. Environmental Protection Agency
- Dataset Last Updated: October 01, 2020
Physical habitat, landscape data, and water chemistry in the Karun River Basin. This dataset is not publicly accessible because: Data is the property of Isfahan University of Technology, Iran. It...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: April 21, 2026 at 08:01 PM
#4 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Abraham Lincoln Birthplace National Historic Site
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2016 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: January 25, 2026 at 05:28 PM
#5 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Chickamauga and Chattanooga National Military Park
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2015 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:28 PM
#6 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Fort Donelson National Battlefield
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2016 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:28 PM
#7 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Cowpens National Battlefield (COWP), Kings Mountain National Military Park (KIMO), and Ninety Six National Historic Site (NISI)
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2015 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:28 PM
#8 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Mammoth Cave National Park
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2016 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:28 PM
#9 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Guilford Courthouse National Military Park (GUCO)
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2016 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:26 PM
#10 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Cumberland Gap National Historic Park
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2016 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:23 PM
#11 Federal
The Ephemeroptera, Odonata, Plecoptera, Megaloptera, and Trichoptera of Stones River National Battlefield (STRI)
- Organization: Department of the Interior
- Dataset Last Updated: January 01, 2016 at 12:00 AM
The U.S. Geological Survey conducted an inventory of aquatic insects of the orders Ephemeroptera (mayflies), Odonata (dragonflies, damselflies), Plecoptera (stoneflies), Megaloptera (fishflies,...
- pdf
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:28 PM

Filters

Clear filters

Filter selections are applied on each click

Filter by Geography
Start typing to see suggestions or use the pencil button to open a larger map

Filter by keyword
Start typing to see suggestions

Popular keywords:

Filter by organization
Start typing to select an organization

Popular organizations:

Organization Type

Federal Government

City Government

State Government

County Government

University

Tribal

Non-Profit

Filter by publisher
Start typing to select a publisher

Popular publishers:

Spatial Data options

All datasets

Geospatial only

Non-geospatial only

About
Open Government
Website Policies
PERFORMANCE.GOV
Data.gov on Github

Follow @GSA

data.gov

An official website of the GSA's Technology Transformation Services

About GSA
Accessibility statement
FOIA requests
No FEAR Act data
Office of the Inspector General
Performance reports
Privacy policy

Looking for U.S. government information and services?

Visit USA.gov