Defined Benefit (Pension) · DOL Form 5500 · 2024

California Water Service Company Pension Plan

Data updated 2026-08-25

$871M
Total assets Above avg plan size
1,242
Participants Near avg headcount
98th
Percentile by assets National rank
$700,930
Avg per participant High balance/head
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Official DOL plan name: California Water Service Company Pension Plan · Sponsored by California Water Service Company · California · Utilities

$871M in assets, 1,242 participants

California Water Service Company's California Water Service Company Pension Plan reported $871M in total assets and 1,242 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.

  • #631 in Utilities (732 peers)

Where California Water Service Company Pension Plan sits by assets

California Water Service Company Pension Plan sits in the top 5% of all filed plans by assets, $871M for 1,242 participants (~$700,930/participant), up 5.4% in 2024.

#631
in Utilities (732 peers)
+5.4%
assets growth YoY
8.7×
vs typical plan assets (national mean)

California Water Service Company Pension Plan's outsized position by total assets

California Water Service Company Pension Plan vs every filed plan by assets

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

$870,555,056 Top 2% higher than 98% 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

California Water Service Company Pension Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. California Water Service Company Pension Plan lands in the large band (1,242 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • California Water Service Company Pension Plan reported net income fell from $88M in the plan year 2023 filing to $45M in the plan year 2024 filing.
  • California Water Service Company Pension Plan end-of-year assets rose from $826M in the plan year 2023 filing to $871M in the plan year 2024 filing.
  • California Water Service Company Pension Plan reported participants rose from 1,207 in the plan year 2023 filing to 1,242 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 940362795 · California Water Service Company PY 2024 · Defined Benefit (Pension)

California Water Service Company Pension Plan · $871M · 1,242 · 98th

  • TYPE $871M
  • TYPE 1,242
  • TYPE 98th
  • TYPE Defined Benefit (Pension)
  • TYPE near Ufcw Union & Partcipating Food Industry Employers Tri-State Pension Fund
  • TYPE ind #631

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 California →

California Water Service Company Pension Plan in the asset neighbourhood

Curtiss Wright Corporation Retirement PlanCurtiss Wright Corporation R…$873MKimberly-Clark Corporation Pension PlanKimberly-Clark Corporation P…$872MUfcw Union & Partcipating Food Industry Employers Tri-State Pension FundUfcw Union & Partcipating Fo…$872MCalifornia Water Service Company Pension PlanCalifornia Water Service Com…$871MBlue Cross and Blue Shield of Massachusetts, Inc. Retirement Income TrustBlue Cross and Blue Shield o…$867M
End-of-year total assets ($M) among California Water Service Company Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$826M
Net Assets (End of Year)$871M
Net Income$45M
Employer EIN940362795
Plan Effective Date1950-11-01
Filing StatusFILING RECEIVED

Sponsor Plan History (California Water Service Company)

Sponsor-wide plan assets over time

All California Water Service Company plans reported in each filing year

Latest sponsor-wide plan assets
$1.3B 22.69580060207888% vs 2022
2024 filing year
$1B$1.1B$1.2B$1.3B 202220232024 $1.03B $1.26B ▲ +22.3%
Year Plans Participants Total Assets
2022 2 2,388 $1.0B
2023 2 2,436 $1.2B
2024 2 2,513 $1.3B

Nearby Defined Benefit (Pension) Plans in California

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

California Water Service Company Pension Plan vs. nearby Defined Benefit (Pension) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -10010203040 Total assets ($B) Participants California Water Service Company Pension Plan, Total assets ($B): 0.870555056 · Participants: 1242California Water Service Company Pension PlanKaiser Permanente Retirement Plan, Total assets ($B): 34.452234723 · Participants: 135057Kaiser Permanente Retirement PlanPacific Gas and Electric Company Retirement Plan, Total assets ($B): 17.60716624 · Participants: 27500Pacific Gas and Electric Company Retirement PlanRetirement Plan for Physicians and Salaried Employees of the Permanente Medical Group, Inc., Total assets ($B): 11.441381434 · Participants: 18983Retirement Plan for Physicians and Salaried Employees of the Permanente Medical Group, Inc.Western States Carpenters Pension Plan, Total assets ($B): 11.342334451 · Participants: 48582Western States Carpenters Pension PlanIlwu-Pma Pension Plan, Total assets ($B): 10.798538721 · Participants: 15833Ilwu-Pma Pension Plan
California Water Service Company Pension Plan vs. nearby Defined Benefit (Pension) plans in California, assets vs. participants

California Water Service Company Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside California, the nearest Defined Benefit (Pension) by assets is Ufcw Union & Partcipating Food Industry Employers Tri-State Pension Fund in PA ($872M); by covered participants it is Pension Fund of Cement Masons Union Local No. 502 in IL (1,243 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,242 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 California Water Service Company Pension Plan assets move in 2024?
California Water Service Company Pension Plan grew at a solid clip - up 5.4% during 2024, from $826M to $871M. Reported net income was $45M.
How have California Water Service Company plan assets changed over time?
Across 3 plan years on file (2022-2024), California Water Service Company's sponsor-wide assets grew 22.7%, from $1.0B to $1.3B.
Where does California Water Service Company Pension Plan rank by assets among Form 5500 filers?
California Water Service Company Pension Plan ranks in the 98th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to California Water Service Company Pension Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Ufcw Union & Partcipating Food Industry Employers Tri-State Pension Fund in PA ($872M, 4,402 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to California Water Service Company Pension Plan?
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Pension Fund of Cement Masons Union Local No. 502 in IL (1,243 participants, $541M in assets).