Irrigation

Whether your irrigation system was in operation by us or someone else last year, our service techs and trucks are fully trained and stocked to service every system. Our trucks are equipped with all Hunter, Rainbird parts to make most repairs at the original site visit! Our goal is to keep your system operating in the same high-quality manner as the day it was installed. Nolte and Sons offers a wide variety of services for new installations, and for customers with existing lawn sprinkler systems. Annual maintenance is required to protect your system from freeze damage, ensure plant growth, accomplish maximum water efficiency, and to extend the overall life of your system.

To request any of our irrigation system services, visit the contact us page or call (515) 367-3300.

Spring Irrigation System Start Up

• Skilled and trained technicians will thoroughly examine your system for any winter damage and make all necessary repairs
• Backflow device reinstalled, tested and checked for leaks
• Adjust all sprinkler heads
• Examine rain sensor
• Set up controller

Mid-Summer Irrigation System Service

• Full examination of your system, including a walk through with the client
• Adjust system (heads)
• Clock readjustment for the current weather trends

Irrigation System Winterization

• Removal of water from your irrigation system with special techniques and equipment to ensure no damage to existing lines occurs over the winter
• Removal of Backflow device (if possible)
• Nolte and Sons will store the backflow device at your home for safekeeping over the winter. We will not take your property to our facilities for the winter unless requested by homeowner
• Shut down of controller

Upgrades to Existing Irrigation System

• Whether your landscaping has changed or if you need major repairs to an existing system, we can provide you with a detailed recommendation after the start up to improve your existing system layout and efficiency.

Backflow Test

• This is an annual required test by Iowa State law to ensure that the backflow device is preventing irrigation water from siphoning back into your domestic drinking water.
• A certified tester will test your backflow device and provide the proper authority with a current test certificate
• Test results will be sent directly to your city, you do not have to worry about anything, Nolte and Sons will take care of it for you.
• Most residential tests can be done without any appointments if the valve is located outside.