Nonprofits in Watertown, South Dakota

Nonprofits in Watertown, South Dakota. Browse 222 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Watertown Convention & Visitors Bur

    EIN 611538825 · Headquarters: WATERTOWN, SD, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Watertown Curling Club

    EIN 993378277 · Headquarters: Watertown, SD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Watertown Development Company

    EIN 466012194 · Headquarters: WATERTOWN, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Watertown Elks 838 Charity Foundation

    EIN 460373337 · Headquarters: Watertown, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  5. Watertown Fastpitch Softball Association Inc

    EIN 814574003 · Headquarters: Watertown, SD, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. Watertown Figure Skate Club Inc

    EIN 264541186 · Headquarters: WATERTOWN, SD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Watertown Hockey Association Inc

    EIN 510138200 · Headquarters: WATERTOWN, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Watertown Humane Society Thrift Store

    EIN 262205138 · Headquarters: Watertown, SD, USA · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  9. Watertown Jaycees Inc

    EIN 460382059 · Headquarters: Watertown, SD, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Watertown Lacrosse Club

    EIN 815083697 · Headquarters: WATERTOWN, SD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Watertown Laker Foundation

    EIN 873189870 · Headquarters: Watertown, SD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Watertown Lions Club

    EIN 466015462 · Headquarters: Watertown, SD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Watertown Love

    EIN 842824613 · Headquarters: Watertown, SD, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Watertown Mutual Plate Glass Insurance Co

    EIN 466011958 · Headquarters: WATERTOWN, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Watertown Pickleball Association

    EIN 871286377 · Headquarters: WATERTOWN, SD, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Watertown Pink Ladies Dart League

    EIN 811561748 · Headquarters: Watertown, SD, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Watertown Senior Activities Center

    EIN 911821078 · Headquarters: WATERTOWN, SD, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Watertown Storm Softball

    EIN 994190347 · Headquarters: Watertown, SD, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Watertown Tennis Association

    EIN 311744459 · Headquarters: Watertown, SD, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  20. Watertown Tennis Association

    EIN 352651116 · Headquarters: Watertown, SD, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Watertown Volunteer Center

    EIN 460454442 · Headquarters: WATERTOWN, SD, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Watertown Youth Soccer Association

    EIN 911787664 · Headquarters: WATERTOWN, SD, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

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