TERRA FIRMA RAINWATER COLLECTIVE
Data sourced from IRS 990 public filings
TERRA FIRMA RAINWATER COLLECTIVE At Terra Firma Rainwater Collective, we create and sustain lasting change by facilitating rainwater collection, capturing fresh water to bring social and economic benefits to millions, while significantly reducing urban flooding and ravine formation that swallow neighborhoods at alarming rates. We employ decades of expertise in water management to develop solutions to the twin challenges of rapid urbanization and adequate water supply in Central Africa, while advancing financial opportunity for communities and building resiliency in a changing climate.
TERRA FIRMA RAINWATER COLLECTIVE has received 7 grants from 5 known foundation funders. Revenue decreased from $90,960 in 2024 to $73,386 in 2025. Most recent reported revenue: $73,386.
Annual Revenue
$73,386
Known Funders
5
Grants Received
7
Financial History
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $73,386 | $75,685 | $77,249 |
| 2024 | $90,960 | $75,817 | $99,167 |
| 2023 | $42,866 | $132,641 | $84,025 |
| 2022 | $62,661 | $56,837 | $73,799 |
| 2021 | $77,596 | $14,613 | $67,975 |
Top Funders
PORTLAND, OR
NEW YORK, NY
Wilmington, DE
Wilmington, DE
Wilmington, DE
WASHINGTON, DC
CARBONDALE, CO
Key Personnel
From 2025 IRS 990 filing
Roger Poirier
Board Member & Secretary
Mary Rogan
Board Member & Treasurer
Erica Borum
Board Member & Vice President
Mark Weinhold
President & Founder
Frequently Asked Questions
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