Certified Landscape Irrigation Auditor

Catch devices in irrigation auditing are primarily used for what purpose?

1. To measure water pressure

2. To collect water for analysis

3. To gather data on water distribution

4. To apply fertilizers effectively

The correct answer is: To gather data on water distribution

Catch devices in irrigation auditing are primarily utilized to gather data on water distribution. These devices, such as catch cans or buckets, are placed in the irrigation coverage area to capture the amount of water delivered by the irrigation system over a designated period. By measuring the volume of water collected in various locations, auditors can assess the uniformity and efficiency of the irrigation system. Understanding water distribution is essential for diagnosing problems such as overwatering or underwatering, which can affect plant health and resource management. This information allows for adjustments to be made to improve the system's performance, ensuring that water is being applied where it is needed most. While other options mention measuring pressure, analyzing collected water, or applying fertilizers, these functions do not primarily relate to the main role of catch devices in assessing how well an irrigation system distributes water. The focus of catch devices is specifically on understanding irrigation effectiveness, which is central to proper landscape irrigation auditing practices.