About The Illinois State Water Survey

Use of Illinois State Water Survey Data

Data provided by the ISWS either on this website or through a specific request for data is subject to the ISWS Data Use License Agreement.

Weather & Agricultural

• Alternative Crops Suitability Maps (archived site)
• Arcola Data Station (2002-2006)
• Cook County Precipitation Network Daily Data Archive (to 2019)
• Illinois Climate Network Data
• Illinois Water and Climate Summaries
• Imperial Valley Precipitation Network Data (1992-2016)
  
• Water and Atmospheric Resources Monitoring Program (WARM)
  • Weather Data
  • Soil Data
  • Growing Degree Days
  • Pest Degree Days

Streamflow & Flood

• 7-Day 10-Year Low Flow Maps
• Benchmark Sediment Monitoring Program
• Illinois Rivers Decision Support System - Water Quality Database
• Illinois Streamflow Assessment Model
• Provisional Monthly Streamflow Network

Drought

• Drought Overview
• Drought Risk Analysis Tool
• Illinois State Climatologist - Drought in Illinois

Groundwater & Wells

• Domestic Wells Database
• Shallow Groundwater Wells Network

Atmosphere & Precipitation Chemistry

• Illinois Climate Network Data

Data Contacts

• Floodplain & Surface Water: Bill Saylor
• Floodplain Map Modernization: Glenn Heistand
• Groundwater Information & Aquifer Testing Services: Dan Hadley
• Illinois State Climatologist: statecli@isws.illinois.edu, (217) 333-0729
  
• Stream & Watershed Monitoring: Laura Keefer
• Water & Atmospheric Resources Monitoring Program: Jennie Atkins
  
• Well Records: gwinfo@isws.illinois.edu

Maps

• Illinois Maps

Data Disclaimer