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Water Conservation: Guide and Project Ideas for Annual Reporting

Project Ideas

  • Leak Assessment and repair
  • End-use fixture replacement (sink aerator, toilet, etc.)
  • Irrigation system improvement
    • Xeriscape
    • Reduced turf area
    • Sprinkler audit/optimization
  • Process water change

Reporting Instructions


Data Required 

Example of Completed Project

  1. Documentation of water savings (gallons or kgal) from contractor


  1. Description of equipment prior to change (e.g. flow rate or flush rate)
  2. Description of new equipment (e.g. flow rate or flush rate)
  3. Number of users (e.g. number of employees)
  4. Type of environment (e.g. office)

Project Name: Toilet replacement

Details: We replaced two 5 gallon per flush toilets with 1.6 gallon per flush models. The toilets are in an office used by about 20 employees.

Calculation: (10 gal * 20 FTEs * 4 uses * 260 days) – (3.2 * 20 *4 *260)
= 141,440 gals saved

Project Examples

Mountain Whitewater Descents

Due to their aging building, during the warmer months Mountain Whitewater Descents uses a sump pump in the basement that is constantly in use to prevent flooding.  By using the water pumped out of the basement for their lawn sprinkler system, they decreased their consumption of city water and increased the efficiency of watering clay soil (with a frequent but short pumping pattern of the sump pump).  This $50 project saves the company 129,600 gallons of water per year.

Avago Technologies

By implementing several projects to reuse manufacturing water, Avago Technologies now reuses 35% of their water, and incoming water dropped 7% between 2009 and 2010.

National Wildlife Research Center

After noticing a discrepancy in calculated amount of water versus actual (metered) water usage, the National Wildlife Research Center discovered a water leak which was losing 60,000 gallons of water per month, making for an easy fix.

Other sources for project ideas:



Physical Address: 200 W. Mountain Unit A, Fort Collins, CO 80521
Phone: (970) 221-6700
Fax: (970) 221-6619

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