401(k) · DOL Form 5500 · 2024
Clean Harbors Enviromental Services, Inc. 401(k) Plan
Data updated 2026-08-11
- $1.2B
- Total assets
- 17,223
- Participants
- 99th
- Percentile by assets
- $72,281
- Avg per participant
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.
- 99th percentile by assets (of 123,622 plans)
- #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.
- $1.2B
- total plan assets (2024 EOY)
- 17,223
- covered participants
- 99th
- percentile by assets (of 123,622 plans)
- $72,281
- avg assets per participant
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.
Participants vs Massachusetts filers
In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Clean Harbors Savings and Retirement Plan reports 17,223 participants - 26x that state average ($1.2B EOY assets).
Massachusetts filing particulars
| Total Assets (Beginning of Year) | $1.1B |
|---|---|
| Net Assets (End of Year) | $1.2B |
| Net Income | $148M |
| Employer EIN | 042698999 |
| Plan Effective Date | 1985-04-06 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Clean Harbors Enviromental Services, Inc.)
| 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
- Fidelity Retirement Savings Plan $34.2B · 66,907
- Liberty Mutual 401(k) Plan $11.4B · 34,618
- Massachusetts Institute of Technology Supplemental 401(k) Plan $7.7B · 14,762
- Boston Scientific Corporation 401(k) Retirement Savings Plan $6.8B · 20,639
- State Street Salary Savings Program $6.5B · 12,777
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 |
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Clean Harbors Savings and Retirement Plan by total assets, not by location.
- Qorvo 401(k) Plan (OR) $1.2B · 4,237
- Brown Health 401(k) Retirement Savings Plan (RI) $1.2B · 15,838
- Idexx Retirement and Incentive Savings Plan (ME) $1.2B · 6,776
- Sargent & Lundy Savings Investment Plan (IL) $1.2B · 2,892
Frequently Asked Questions
How did Clean Harbors Savings and Retirement Plan assets move in 2024? ▼
How have Clean Harbors Enviromental Services, Inc. plan assets changed over time? ▼
Where does Clean Harbors Savings and Retirement Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Clean Harbors Savings and Retirement Plan? ▼
Next read for Clean Harbors Savings and Retirement Pla…
Filing takeaways
Ways to act on Clean Harbors Savings and Retirement Plan's numbers.
- By total assets, Clean Harbors Savings and Retirement Plan ranks among the largest 1% of all filed plans. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
- Clean Harbors Enviromental Services, Inc.'s sponsor-wide assets have grown 38.9% since 2022 across 3 plan years on file. More Utilities plans