Developer Central
EPA's Developer Central is a resource for developers who are interested in building applications using EPA data and Web services.

Drought

Using different data layers to create an analytic tool that helps water utilities plan and make informed decision about drought concerns/issues. Use interactive visuals...

Water Budget Data Finder

Irrigation professionals using the WaterSense Landscape Water Budget Tool may use the Water Budget Data Finder to determine peak watering month and the appropriate...

Nutrient Indicators Dataset

As part of EPA’s ongoing efforts to work collaboratively with states and other partners to accelerate nutrient load reductions and state adoption of numeric...

NHDPlus

NHDPlus is a geo-spatial, hydrologic framework dataset envisioned by the US Environmental Protection Agency. The EPA Office of Water, assisted by the US Geological...

iaq_app 1

School IAQ Assessment Tool

Indoor levels of air pollutants can be two to five times higher, and occasionally 100 times higher, than outdoor levels. Nearly 56 million people,...

EPA Envirofacts API

Envirofacts integrates information from a variety of EPA’s environmental databases. Each of these databases contains information about facilities that are required to report activity...