401(k) · DOL Form 5500 · 2024

Clean Harbors Enviromental Services, Inc. 401(k) Plan

Data updated 2026-08-25

$1.2B
Total assets Very large vs avg
17,223
Participants Very large workforce
99th
Percentile by assets National rank
$72,281
Avg per participant Below avg balance/head
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Official DOL plan name: Clean Harbors Savings and Retirement Plan · Sponsored by Clean Harbors Enviromental Services, Inc. · Massachusetts · Utilities

$1.2B in assets, 17,223 participants

Clean Harbors Enviromental Services, Inc.'s Clean Harbors Savings and Retirement Plan reported $1.2B in total assets and 17,223 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • #659 in Utilities (732 peers)

Coverage in Massachusetts

Clean Harbors Savings and Retirement Plan covers 17,223 participants in Massachusetts, 26x the typical Massachusetts plan (state average ~659 per filing). Assets: $1.2B.

#659
in Utilities (732 peers)
+15.4%
assets growth YoY
12×
vs typical plan assets (national mean)

Clean Harbors Savings and Retirement Plan's outsized position by total assets

Clean Harbors Savings and Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$1,244,899,833 Top 1% higher than 99% of 123,620 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 2024

Clean Harbors Savings and Retirement Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Clean Harbors Savings and Retirement Plan is a mega filing (17,223 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Clean Harbors Savings and Retirement Plan end-of-year assets rose from $1.1B in the plan year 2023 filing to $1.2B in the plan year 2024 filing.
  • Clean Harbors Savings and Retirement Plan reported net income fell from $165M in the plan year 2023 filing to $148M in the plan year 2024 filing.
  • Clean Harbors Savings and Retirement Plan reported participants rose from 15,989 in the plan year 2023 filing to 17,223 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 042698999 · Clean Harbors Enviromental Services, Inc. PY 2024 · 401(k)

Clean Harbors Savings and Retirement Plan · $1.2B · 17,223 · 99th

  • PCT $1.2B
  • EIN 17,223
  • RANK 99th
  • PHOTO 401(k)
  • IND near Qorvo 401(k) Plan
  • EOY ind #659

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 Utilities retirement plans → · Plans in Massachusetts →

Clean Harbors Savings and Retirement Plan in the asset neighbourhood

Qorvo 401(k) Plan$1.2BBrown Health 401(k) Retirement Savings PlanBrown Health 401(k) Retireme…$1.2BSargent & Lundy Savings Investment PlanSargent & Lundy Savings Inve…$1.2BClean Harbors Savings and Retirement PlanClean Harbors Savings and Re…$1.2BIdexx Retirement and Incentive Savings PlanIdexx Retirement and Incenti…$1.2B
End-of-year total assets ($B) among Clean Harbors Savings and Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$1.1B
Net Assets (End of Year)$1.2B
Net Income$148M
Employer EIN042698999
Plan Effective Date1985-04-06
Filing StatusFILING RECEIVED

Sponsor Plan History (Clean Harbors Enviromental Services, Inc.)

Sponsor-wide plan assets over time

All Clean Harbors Enviromental Services, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$1.2B 38.94050822556323% vs 2022
2024 filing year
$0.8B$1B$1.2B$1.4B 202220232024 $0.9B $1.24B ▲ +37.8%
Year Plans Participants Total Assets
2022 1 14,911 $896M
2023 1 15,989 $1.1B
2024 1 17,223 $1.2B

Nearby 401(k) Plans in Massachusetts

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

Clean Harbors Savings and Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 020000400006000080000 -10010203040 Total assets ($B) Participants Clean Harbors Savings and Retirement Plan, Total assets ($B): 1.244899833 · Participants: 17223Clean Harbors Savings and Retirement PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Clean Harbors Savings and Retirement Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Scale composition for Clean Harbors Savings and Retirement Plan

Clean Harbors Savings and Retirement Plan reports $1.2B in end-of-year assets across 17,223 participants (0.010% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.018% of 93,925,755 covered participants) - about $72,281 per participant (52% of the national average assets-per-participant) . Net income for plan year 2024 was $148M.

This plan identity (EIN 042698999, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $896M to $1.2B (+38.9%) while covered participants moved from 14,911 to 17,223 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 14,911 $896M Open filing
2023 15,989 $1.1B Open filing
2024 · index core 17,223 $1.2B This page

Clean Harbors Savings and Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Qorvo 401(k) Plan in OR ($1.2B); by covered participants it is National Grid USA Co. Incentive Thrift Plan in NY (17,179 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.2B here).

Similar participant headcount

Nearest other-state filings by covered participants (17,223 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Clean Harbors Savings and Retirement Plan assets move in 2024? ▼
Clean Harbors Savings and Retirement Plan grew sharply - up 15.4% during 2024, from $1.1B to $1.2B. Reported net income was $148M.
How have Clean Harbors Enviromental Services, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Clean Harbors Enviromental Services, Inc.'s sponsor-wide assets grew 38.9%, from $896M to $1.2B.
Where does Clean Harbors Savings and Retirement Plan rank by assets among Form 5500 filers? ▼
Clean Harbors Savings and Retirement Plan ranks in the 99th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Clean Harbors Savings and Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Qorvo 401(k) Plan in OR ($1.2B, 4,237 participants).
Which 401(k) plans cover a similar participant headcount to Clean Harbors Savings and Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is National Grid USA Co. Incentive Thrift Plan in NY (17,179 participants, $6.4B in assets).