WASTE ISOLATION PILOT PLANT PENSION PLAN
ERISA Form 5500 plan record drawn from DOL EBSA — verify with linked source filings below.
NUCLEAR WASTE PARTNERSHIP LLC
This Defined Benefit (Pension) plan holds $207M in total assets and serves 869 participants as of 2022. It is sponsored by NUCLEAR WASTE PARTNERSHIP LLC in New Mexico. The plan reported a net loss of $11M for the year.
What the Filing Says About WASTE ISOLATION PILOT PLANT PENSION PLAN
WASTE ISOLATION PILOT PLANT PENSION PLAN is a Defined Benefit (Pension) retirement plan sponsored by NUCLEAR WASTE PARTNERSHIP LLC, headquartered in New Mexico. As of the 2022 Form 5500 filing, the plan reports $207M in total end-of-year assets and covers 869 participants across the Administrative & Support Services industry. The sponsor's EIN on file with the U.S. Department of Labor is 455197409, and the plan has been effective since 1998-08-31. Its filing status is currently FILING RECEIVED.
Year over year, total assets moved from $215M at the beginning of 2022 to $207M at year-end — a decline of 3.8%. Net assets (after liabilities) closed the year at $204M, with reported net income of $-11,186,549 driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return.
Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.
Financial Summary (2023)
| Total Assets (Beginning of Year) | $215M |
| Total Assets (End of Year) | $207M |
| Net Assets (End of Year) | $204M |
| Net Income | $-11,186,549 |
| Plan Type | Defined Benefit (Pension) |
| Employer EIN | 455197409 |
| Plan Effective Date | 1998-08-31 |
| Filing Status | FILING RECEIVED |
Nearby Defined Benefit (Pension) Plans in New Mexico
Peer Defined Benefit (Pension) plans — same state, same plan type — ranked by total assets.
- NTESS RETIREMENT INCOME PLAN $6.1B · 3,544
- TRIAD DEFINED BENEFIT PENSION PLAN $5.7B · 2,214
- PNM RESOURCES, INC. EMPLOYEES' RETIREMENT PLAN $407M · 146
- PRESBYTERIAN HEALTHCARE SERVICES EMPLOYEES' PENSION PLAN II $248M · 814
- WASTE ISOLATION PILOT PLANT PENSION PLAN $224M · 953
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Frequently Asked Questions
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Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.
Source: DOL EFAST2 filing system (efast.dol.gov) — original filing retrieval by EIN 455197409.
Reference: IRS Publication 560 — Retirement Plans for Small Business, contribution-limit rules.
Reference: IRS Publication 590-B — Distributions from IRAs, RMD rules under SECURE Act 2.0.
Read our methodology — how this data is sourced, computed, and verified.