Employer · WARN Act history · Other Services
CH2MHill Plateau Remediation Company
750 workers across 1 WARN notice, primarily in WA - recorded in the current PlainLayoffs dataset.
- 750
- Workers cut
- 1
- WARN notice
- 1
- State
- 750
- Avg / notice
CH2MHill Plateau Remediation Company has 1 recorded WARN filing affecting 750 workers
According to WARN Act filings submitted to state workforce agencies, CH2MHill Plateau Remediation Company has 1 recorded filing covering 750 workers across 1 state, primarily WA, the 227th-largest recorded WARN footprint among 7,009 tracked employers. WARN notices cover qualifying reported events, so this record is not a complete count of the employer's workforce changes.
CH2MHill Plateau Remediation Company is a minor share of Other Services WARN activity — 0.2% of the sector's 460,348 workers across 3,497 employers, ranking #73 in Other Services.
DOL WARN employer filing desk
Employer CH2MHILL-PLA · CH2MHill Plateau Remediation Company 750 workers · 1 filings
NOTC-SINGLE · WORK-HEAVY · PHOTO-UNK · RUNWAY-OVER · STAT-SINGLE · BOOK-SINGLE · TYPE-LAYOFF
- NOTC-SINGLE 1 filing
- WORK-HEAVY #227
- PHOTO-UNK No peer
- RUNWAY-OVER 62d
- STAT-SINGLE WA
- BOOK-SINGLE 1 agency
- TYPE-LAYOFF 1 layoff
Stamps derive from filed notice_date, effective_date, workers_affected, state agency source, and filing type in this dataset, not a prediction of future layoffs.
Employer Profile
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds. Latest filing: Jul 2011.
WARN Notice History
2011
Richland, WA · Other Services
Effective: Sep 29, 2011
750
workers
Filed Jul 29, 2011
Four checks on this CH2MHill Plateau Remediation Company filing
What is the largest CH2MHill Plateau Remediation Company WARN filing on record? ▼
The largest row is the mass layoff filed for Richland, WA on Jul 29, 2011, covering 750 workers in Other Services.
Where were CH2MHill Plateau Remediation Company's WARN notices filed? ▼
This is a one-event record from Washington ESD; the named location is Richland, not a company-wide headcount change. States represented in this record: WA.
Does CH2MHill Plateau Remediation Company's filing history show a recurring pattern? ▼
One filing cannot establish a recurring layoff cadence. It records a specific WARN-covered event and should not be read as a forecast of this employer's workforce.
How much advance notice appears in CH2MHill Plateau Remediation Company's record? ▼
The measurable notice runway clears the federal 60-day baseline; use the dated filing history to see which location and event produced it.
See also: WA WARN filings · Other Services industry WARNs · WARN Act guide
Source: State WARN Act layoff registries CH2MHill Plateau Remediation Company notice history aggregated from state workforce agency filings · September 2026 A WARN filing is a required notice, not a judgment of the employer's management or finances. Coverage follows states with structured public registries; this public-record summary is not legal advice, financial advice, or employment advice.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.