Case studies
WMS

Ewing Irrigation WMS Implementation Case Study

By Adam Ingram, Research Analyst — Warehouse, Transportation & Yard Systems · Supply Chain Research

Case study of Ewing Irrigation deploying Manhattan WMS and Replenishment across seven DCs to improve inventory accuracy and reduce labor.

Published
June 4, 2026
Read time
3 min read
Source
Manhattan Associates

Ewing Irrigation, a national distributor with seven 200,000 sq ft distribution centers and 195 branches, implemented Manhattan Warehouse Management and Replenishment. The project addressed expanding SKU counts and multi-site inventory challenges. Results included 100% inventory accuracy, a shift from six to five operating days, 50% throughput gain, and fill rate improvement to 98%.

Key takeaways

Inventory accuracy improved from prior levels to 100%

Reduced weekly operating days from six to five with 15% labor hour reduction

Fill rate increased to 98%, an 18% improvement

Throughput rose 50% while DC utilization dropped from 100% to 60%

Manhattan WMS and Replenishment supported 13,000 SKUs across 250 vendors

Market overview