# South Peninsula Water Polo Foundation

Amateur sports competitions nonprofit in Menlo Park, California 94026. EIN 94-3397378. Data as of November 8, 2026.

Page: https://backpr.com/find/nonprofit/943397378-south-peninsula-water-polo-foundation

## Mission (the organization's own words)

> The south peninsula water polo foundation(sopen) was founded to teach and promote the sport of water polo in the california high school/middle school communities of san mateo and santa clara counties. Any youth in the appropriate age group may apply to join one of the training programs. Sopen is committed to offering a high quality training program that is fun and challenging in a positive...

Source: Form 990-EZ, year ending May 2022: https://projects.propublica.org/nonprofits/organizations/943397378/202202409349200250/full

## IRS facts

- Type: Amateur sports competitions (IRS activity code N70)
- Tax status: 501(c)(3), contributions deductible, recognized 2003
- Source: IRS Business Master File, posted October 13, 2026: https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf

## Finances (IRS Form 990 e-file data)

| Year ending | Revenue | Expenses | Assets | Net assets | Employees | Volunteers | Source |
|---|---|---|---|---|---|---|---|
| May 2022 | $105,611 | $94,391 | $85,407 | $85,407 | - | - | [Form 990-EZ](https://projects.propublica.org/nonprofits/organizations/943397378/202202409349200250/full) |

Revenue sources, year ending May 2022: gifts and grants $15,750, program fees $89,861, investment income $0.

## How it compares

- Revenue rank: 7 of 12 amateur sports nonprofits in Menlo Park.
- Revenue $103,024 is higher than roughly 30 to 40% of 2,432 amateur sports nonprofits in California; median $143,571.
- Source: IRS Business Master File, posted October 13, 2026; BackPR analysis.

- Licensed programs in Menlo Park: 28 licensed child care centers, 4 school-age programs: https://backpr.com/find/california/menlo-park
- California rules: https://backpr.com/resources/states/california

## Questions

**What is South Peninsula Water Polo Foundation's EIN?**

South Peninsula Water Polo Foundation's EIN (Employer Identification Number) is 94-3397378. It is the nine-digit number the IRS uses to identify the organization. Source: IRS Exempt Organizations Business Master File posted October 13, 2026.

**Is South Peninsula Water Polo Foundation a nonprofit?**

Yes. The IRS lists South Peninsula Water Polo Foundation in Menlo Park, California as tax-exempt under section 501(c)(3), recognized since 2003. This is from the IRS Business Master File posted October 13, 2026. Status can change, so check its current status on the IRS Tax Exempt Organization Search before you donate.

**Are donations to South Peninsula Water Polo Foundation tax-deductible?**

Yes, the IRS lists gifts to South Peninsula Water Polo Foundation as tax-deductible (IRS Business Master File posted October 13, 2026). How much you can deduct depends on your own taxes, and this is not tax advice. Check its current status on the IRS Tax Exempt Organization Search before you donate.

**What does South Peninsula Water Polo Foundation do?**

In its own words on its Form 990 for the year ending May 2022: "The south peninsula water polo foundation(sopen) was founded to teach and promote the sport of water polo in the california high school/middle school communities of san mateo and santa clara counties. Any youth in the appropriate age group may apply to join one of the training programs. Sopen is committed to offering a high quality training program that is fun and challenging in a positive..." The IRS classifies it as: Amateur sports competitions.

**How much money does South Peninsula Water Polo Foundation take in?**

For the year ending May 2022, South Peninsula Water Polo Foundation reported total revenue of $105,611 and total expenses of $94,391 on its Form 990-EZ (IRS Form 990 e-file data).

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Data as of November 8, 2026. Sources: IRS Business Master File, IRS Form 990 series e-file data, U.S. Census Bureau. No officer or staff names are published.