- Simple Water Calculator
- Detailed Water Calculator
- *Keep in mind that the average daily water use for Lake Michigan water users in DuPage County is 106 gallons/person/day.
- Faucet Drip Calculator– calculate how much water is wasted from dripping faucets
- watercalculator.org– learn about your water footprint
- Your Community
- Aquascape Designs
- Chicago Metropolitan Agency for Planning
- City Water, Light & Power Springfield
- The Conservation Foundation
- Council of Great Lakes Governors
- Garden Illinois
- Glendale Heights Goes Green
- Great Lakes and Saint Laurence Cities Initiative
- Great Lakes Commission
- Home Water Works
- Illinois State Water Survey
- ISAWWA Water Efficiency Committee
- Lake County Water Resources

- My Water Footprint
- Richmond Gardens located between the Village of Clarendon Hills & the Village of Westmont
- SCARCE
- University of Illinois Extension Chicago Master Gardeners Program
- USEPA Regional 5 Water info
- Water Star Wisconsin
The following are some websites that were created by 6th grade
students at Hadley Junior High for their Problem-Based Learning (PBL):
- Alliance for Water Efficiency
- AWWA Water Conservation
- Drink Tap
- Eco Promotional Products
- Energy Star Program
- EPA Water Efficiency Strategies
- Niagara Conservation
- Residential Water Calculator
- Wasting Water is Weird
- Water: H20 = Life
- Water Conservation at Home
- WaterWiser®
- Water Use It Wisely
- WaterSense Program