401(k) · DOL Form 5500 · 2022

US Ecology, Inc. 401(k) Plan

Data updated 2026-08-25

$193M
Total assets Near avg plan size
2,848
Participants Above avg headcount
96th
Percentile by assets National rank
$67,859
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: US Ecology, Inc. 401(k) Savings and Retirement Plan · Sponsored by US Ecology, Inc. · Idaho · Administrative & Support Services

$193M in assets, 2,848 participants

US Ecology, Inc.'s US Ecology, Inc. 401(k) Savings and Retirement Plan reported $193M in total assets and 2,848 participants in its 2022 DOL Form 5500 filing, ranking in the 96th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #4,827 in Administrative & Support Services (4,927 peers)

Coverage in Idaho

US Ecology, Inc. 401(k) Savings and Retirement Plan covers 2,848 participants in Idaho, 8.2x the typical Idaho plan (state average ~347 per filing). Assets: $193M.

#4,827
in Administrative & Support Services (4,927 peers)
-13.5%
assets change YoY
1.9×
vs typical plan assets (national mean)

The plan reported a net loss of $30M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

US Ecology, Inc. 401(k) Savings and Retirement Plan's outsized position by total assets

US Ecology, Inc. 401(k) Savings and Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$193,262,455 Top 4% higher than 96% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

US Ecology, Inc. 401(k) Savings and Retirement Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. US Ecology, Inc. 401(k) Savings and Retirement Plan lands in the large band (2,848 participants).

Form 5500 schedule snapshot

Filing strip 953889638 · US Ecology, Inc. PY 2022 · 401(k)

US Ecology, Inc. 401(k) Savings and Retirement Plan · $193M · 2,848 · 96th

  • VS-ST $193M
  • VS-ST 2,848
  • VS-ST 96th
  • VS-ST 401(k)
  • VS-ST near Skillsoft Corporation 401(k) Profit Sharing Plan
  • VS-ST ind #4827

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Administrative & Support Services retirement plans → · Plans in Idaho →

US Ecology, Inc. 401(k) Savings and Retirement Plan in the asset neighbourhood

Ensco, Inc. Retirement Plan$193MUS Ecology, Inc. 401(k) Savings and Retirement PlanUS Ecology, Inc. 401(k) Savi…$193MSkillsoft Corporation 401(k) Profit Sharing PlanSkillsoft Corporation 401(k)…$193MVolvo Investment Plan$193MCalportland Company Thrift and Profit Sharing Plan for Salaried EmployeesCalportland Company Thrift a…$193M
End-of-year total assets ($M) among US Ecology, Inc. 401(k) Savings and Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Idaho filing particulars

Total Assets (Beginning of Year)$223M
Net Assets (End of Year)$193M
Net Income-$30M
Employer EIN953889638
Plan Effective Date1987-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (US Ecology, Inc.)

Sponsor-wide plan assets over time

All US Ecology, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
N/A
2023 filing year
$0M$100M$200M$300M 20222023 $193M $0M ▼ -100.0%
Year Plans Participants Total Assets
2022 1 2,848 $193M
2023 1 2,567 N/A

Nearby 401(k) Plans in Idaho

Peer 401(k) plans, same state, same plan type, ranked by total assets.

US Ecology, Inc. 401(k) Savings and Retirement Plan vs. nearby 401(k) plans in Idaho, assets vs. participants Scatter plot of 6 data points. 0200040006000800010000 0123 Total assets ($B) Participants US Ecology, Inc. 401(k) Savings and Retirement Plan, Total assets ($B): 0.193262455 · Participants: 2848US Ecology, Inc. 401(k) Savings and Retirement PlanMicron Technology Inc. Retirement at Micron (Ram) Plan, Total assets ($B): 2.812369388 · Participants: 9161Micron Technology Inc. Retirement at Micron (Ram) PlanIdaho National Laboratory Employee Investment Plan, Total assets ($B): 1.939840919 · Participants: 5961Idaho National Laboratory Employee Investment PlanSimplot Retirement Savings Plan, Total assets ($B): 1.118817578 · Participants: 7817Simplot Retirement Savings PlanIdaho Power Company Employee Savings Plan, Total assets ($B): 0.693699505 · Participants: 2009Idaho Power Company Employee Savings PlanBoise Cascade Company Savings Plan, Total assets ($B): 0.536496114 · Participants: 3405Boise Cascade Company Savings Plan
US Ecology, Inc. 401(k) Savings and Retirement Plan vs. nearby 401(k) plans in Idaho, assets vs. participants

US Ecology, Inc. 401(k) Savings and Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Idaho, the nearest 401(k) by assets is Skillsoft Corporation 401(k) Profit Sharing Plan in NH ($193M); by covered participants it is Pipeline Industry Annuity 401(k) Trust in OK (2,848 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($193M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,848 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did US Ecology, Inc. 401(k) Savings and Retirement Plan assets move in 2022?
US Ecology, Inc. 401(k) Savings and Retirement Plan pulled back noticeably - down 13.5% during 2022, from $223M to $193M. Reported net income was -$30M.
Where does US Ecology, Inc. 401(k) Savings and Retirement Plan rank by assets among Form 5500 filers?
US Ecology, Inc. 401(k) Savings and Retirement Plan ranks in the 96th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to US Ecology, Inc. 401(k) Savings and Retirement Plan?
Among 401(k) plans in other states, the closest by assets is Skillsoft Corporation 401(k) Profit Sharing Plan in NH ($193M, 881 participants).
Which 401(k) plans cover a similar participant headcount to US Ecology, Inc. 401(k) Savings and Retirement Plan?
Among 401(k) plans in other states, the closest by covered participants is Pipeline Industry Annuity 401(k) Trust in OK (2,848 participants, $277M in assets).