Indiana Dunes National Park
Stand · Find your defenders

Who’s defending Indiana Dunes?

3 groups have it in their care

National park in Indiana, 15,349 acres, managed by the National Park Service, designated in 2019.

The defenders

The groups doing the most work here

3 groups are on the record for Indiana Dunes, in the order they carry the weight. The range says how strongly our editors, the court dockets and their own filings tie each one here. Give directly; nothing routes through us.

On the ground

The situation

What’s happening to Indiana Dunes

Fifteen miles of Lake Michigan shoreline squeezed between steel mills and subdivisions, proof that wildness can persist in the most unlikely places. One of the most biodiverse parks in the entire system. Industrial pollution from adjacent facilities keeps contaminating its soils and waters, and nobody is held accountable.

  1. 2019Upgraded from national lakeshore to national park
  2. 2025Industrial pollution continues to impact park resources
Industrial contamination from adjacent facilities

Source: EPA / NPS · January 1, 2025

No public comment window is open on Indiana Dunes right now. A call script is ready on the Public Lands Action Network, and the groups above are how the fight gets funded and argued in the meantime.

Your move

How to stand for Indiana Dunes

Indiana Dunes has defenders. It needs more.

The work is theirs. The backing is yours.

Sources and methodThe situation, timeline, and threats: the MTJP threatened-lands record for Indiana Dunes, with per-item sources. Group crews and program ratios: IRS Form 990 via ProPublica Nonprofit Explorer, latest filed year, EINs on each group’s profile. Which groups defend this place, and their role: MTJP editorial curation, one verified link at a time, plus the federal court record and each group’s own footprint. Match ranges decompose into those signals on every row. Org-reported figures are always labeled. Data verified as of 2026-09-23. Nothing on this page is pay-to-play.