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REPORTED · WARN NOTICE✓ VERIFIEDAdded Dec 23, 2025

Advanced Drainage Systems, Inc. Layoff — March 2025

SOURCEOFFICIAL FILINGWashington State Employment Security Department· filed January 28, 2025View the filing ↗

EMPLOYEES AFFECTED
54
SHARE OF WORKFORCE
~1.0%
EFFECTIVE DATE
Mar 29, 2025
54 OF 5,300 EMPLOYEES

What we know

Location: Sumner, WA (Permanent County).

A WARN notice for this layoff is recorded on January 28, 2025.

Disclosed through an official WARN filing with the WA state workforce agency.

Summary

Advanced Drainage Systems, Inc. disclosed this layoff in an official WARN (Worker Adjustment and Retraining Notification) notice recorded by the WA state workforce agency on January 28, 2025. The notice covers 54 employees in Sumner, WA (Permanent County), with the layoff effective March 29, 2025.

That is roughly 1% of the 5,300 people Advanced Drainage Systems, Inc. employs.

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SOURCE
Official WARN notice
View state filing ↗
A
Advanced Drainage Systems, Inc.WMS
Industrials · 5,300 employees
1
EVENTS TRACKED
54
JOBS IN WARN FILINGS
View company profile

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CREATED DEC 23, 2025LAST UPDATED JUL 26, 2026