Water Conservation

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Water Conservation

High Efficiency Nozzles:

Nozzles with matched precipitation permit sprinklers to distribute water uniformly, therefore watering the area evenly. By allowing all areas to receive the same amount of water in a given amount of time, it saves water by not over watering some areas in order to apply enough water in the under watered areas.

Pressure Regulating Nozzles or Pressure Compensating Screens:

These are installed under the nozzle and can be used to reduce the radius of a nozzle by lowering the pressure. The same pressure is maintained at all the sprinklers and misting due to high pressure is prevented.

Rain Sensors:

This device turns off the system when it is raining.

Reservoir Type: Has a cup with probes to collect water, when the water level reaches the probes it shuts off the irrigation system until water evaporates. Leaves and debris can collect in the cup and must be removed.

Disc Type: Has a fiber disc that swells and breaks contact. Rain sensors can be set to suspend watering with as little as 1/8th inch up to 1 inch of rain. The sensors should be installed as exposed as possible so that wind and solar radiation will dry them and irrigation will resume. It should be noted that if the sensor is set for 1/8" and a greater amount of rain falls when 1/8" has evaporated, the controller will permit irrigation even though there is still adequate moisture in the ground.


Moisture Sensors:

Monitors the moisture in the soil and only permits watering when needed. Contacts buried in the ground measure the soil moisture by the amount of conductivity between the contacts. The more moisture there is in the ground, the higher the conductivity. These are more actuate than rain sensors and cost much more.

Flow Sensors:

Shuts off system when flow indicates a broken sprinkler or pipe. Some flow sensors can be programmed for each zone of sprinklers. Others are programmed for high flow of all the zones. For example, if the zone is designed for 30 gallons of water per minute and the flow exceeds the 30 gallons by a preset percentage, the zone is shut down. The more high tech controllers can have the flow of each zone recorded and controlled. The simpler devices use the zone with the highest flow to control as the benchmark.


Proper irrigation design uses matched precipitation nozzles, proper spacing of sprinklers and a uniform distribution of water. A good design incorporates construction details and written specifications. The best assurance of receiving a proper design is to use a CIT (Certified Irrigation Designer) who has been tested by The Irrigation Association.

The Irrigation Association is a non-profit trade organization representing the irrigation industry at the national and international level.


Installation should be performed by a CIC (Certified Irrigation Contractor) who has been tested and certified by The Irrigation Association on his knowledge in irrigation installation and maintenance, codes and laws, and water conservation.


The money spent on proper design, installation and inspection will be returned many times with water savings and less maintence.