Environment nonprofits in Iowa

345 environmental nonprofits in Iowa file a Form 990. Together they report $113 million in revenue and hold $390 million in assets.

Browse all 122 environmental nonprofits in Iowa →

The largest are Iowa Natural Heritage Foundation, Greater Des Moines Botanical Garden, and The Spirit Of Okoboji.

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Environment in Iowa

Largest by revenue first.

Iowa Natural Heritage Foundation 501(c)(3) · Des Moines, IA	$29.8M
Greater Des Moines Botanical Garden 501(c)(3) · Des Moines, IA	$11.8M
TThe Spirit Of Okoboji 501(c)(3) · Okoboji, IA	$8.4M
CConservation Foundation Of Dickinson County 501(c)(3) · Okoboji, IA	$6.4M
Water Professionals International 501(c)(3) · Urbandale, IA	$3.7M
Trees Forever Inc 501(c)(3) · Marion, IA	$3.5M
Iowa Agriculture Water Alliance 501(c)(3) · Ankeny, IA	$3.4M
Indian Creek Nature Center 501(c)(3) · Cedar Rapids, IA	$3.1M
Brunswick-Topsham Land Trust Inc 501(c)(3) · Des Moines, IA	$2.8M
Iowa Confluence Water Trails 501(c)(3) · Des Moines, IA	$2.3M
Pathfinders Resource Conservation And Development Area Inc 501(c)(3) · Fairfield, IA	$2.1M
DDeb And Jeff Hansen Foundation 501(c)(3) · Wdm, IA	$1.9M
Iowa Environmental Council 501(c)(3) · Des Moines, IA	$1.9M
Nahant Marsh Education Center 501(c)(3) · Davenport, IA	$1.8M
Iowa Valley Resource Conservation & Development 501(c)(3) · Amana, IA	$1.8M
BBuild A Better Belmond 501(c)(3) · Belmond, IA	$1.7M
IIowa Agricultural Mitigation 501(c)(5) · Boone, IA	$1.4M
Whiterock Conservancy 501(c)(3) · Coon Rapids, IA	$1.4M
Soil And Water Conservation Society 501(c)(3) · Ankeny, IA	$1.2M
IIowa State Snowmobile Association 501(c)(4) · Thompson, IA	$1.2M
IIowa Nutrient Research And Education Council 501(c)(3) · Des Moines, IA	$1.1M
IIowa Arboretum Inc 501(c)(3) · Madrid, IA	$1.1M
Resource Conservation And Development For Northeast Iowa Inc 501(c)(3) · Postville, IA	$1.0M
Mason City Foundation 501(c)(3) · Mason City, IA	$909K
Dubuque Arboretum Association Inc 501(c)(3) · Dubuque, IA	$886K
Agriculture'S Clean Water Alliance 501(c)(3) · Ankeny, IA	$857K
Green Schools National Network Inc 501(c)(3) · Iowa City, IA	$791K
Golden Hills Resource Conservation And Development Area 501(c)(3) · Oakland, IA	$784K
Keep Iowa Beautiful 501(c)(3) · Johnston, IA	$733K
Iowa Great Lakes Beautification Pro 501(c)(3) · Okoboji, IA	$696K
William G Stowe Memorial Foundation 501(c)(3) · Des Moines, IA	$618K
Sustainable Iowa Land Trust 501(c)(3) · West Branch, IA	$539K
Iowa Business For Clean Energy 501(c)(3) · Wdm, IA	$527K
Clean Energy Districts Of Iowa 501(c)(3) · Decorah, IA	$465K
IIowa Drainage District Association 501(c)(6) · Wdm, IA	$370K
SSouthwest Iowa Nature Trails Project Inc 501(c)(3) · Imogene, IA	$352K
Iowa Storm Water Education Partnership 501(c)(3) · Des Moines, IA	$325K
Cedar Valley Arboretum & Botanic Gardens 501(c)(3) · Waterloo, IA	$300K
Agricultural Drainage Management Coalition Inc 501(c)(5) · Ankeny, IA	$299K
CClinton County Conservation Foundation Inc 501(c)(3) · Grand Mound, IA	$298K
SSoil Enhancement And Subsurface Water Management Coalition 501(c)(5) · Dexter, IA	$296K
IIowa Great Lakes Foundation 501(c)(3) · Des Moines, IA	$280K
RRabbit Hollow Nature Conservancy Inc 501(c)(3) · Dubuque, IA	$269K
Iowa Water Environment Association 501(c)(6) · Ames, IA	$266K
A M O S-A Metropolitan Organizing Strategy 501(c)(4) · Des Moines, IA	$257K
EEnergy Association Of Iowa Schools 501(c)(3) · Creston, IA	$238K
IIzaak Walton League Of America Inc 501(c)(3) · Newton, IA	$238K
Iowa Interfaith Power And Light Iowa Faith And Climate Network 501(c)(3) · Des Moines, IA	$236K
N-Compass Inc 501(c)(3) · Marion, IA	$233K
FFriends Of Webster County Conservation 501(c)(3) · Fort Dodge, IA	$222K
SSioux County Conservation Foundation 501(c)(3) · Hawarden, IA	$213K
Des Moines Chapter Of The Izaak Walton League Of America 501(c)(3) · Des Moines, IA	$212K
FFriends Of Winnebago County Conservation Foundation Inc 501(c)(3) · Forest City, IA	$204K
Winneshiek Energy District 501(c)(3) · Decorah, IA	$195K
Holiday Lights At The Lake 501(c)(3) · Coralville, IA	$185K
FForest City Enhancement Committee Inc 501(c)(3) · Forest City, IA	$182K
FFriends Of Blood Run 501(c)(3) · Larchwood, IA	$176K
Swana Iowa Society Of Solid Waste Operat 501(c)(3) · Storm Lake, IA	$173K
Izaak Walton League Of America Inc 501(c)(3) · Cedar Rapids, IA	$162K
11000 Friends Of Iowa 501(c)(3) · Des Moines, IA	$153K
EEastern Iowa Conservation Foundation Ltd 501(c)(3) · Dubuque, IA	$148K
FFriends Of Jackson County Conservation 501(c)(3) · Maquoketa, IA	$143K
Woodbury County Conservation Foundation 501(c)(3) · Sioux City, IA	$137K
SShelby County Trails Board Inc 501(c)(3) · Harlan, IA	$132K
Rathbun Land And Water Alliance Inc 501(c)(3) · Centerville, IA	$132K
New Horizons Inc 501(c)(3) · New Hampton, IA	$126K
BBenton County Conservation Foundation 501(c)(3) · Vinton, IA	$124K
Friends Of Lake Panorama 501(c)(3) · Panora, IA	$120K
Jefferson County Farmers And Neighbors Inc 501(c)(3) · Fairfield, IA	$119K
CConservation Foundation Of Jefferson County Iowa 501(c)(3) · Fairfield, IA	$113K
Leopold Landscape Alliance 501(c)(3) · Burlington, IA	$109K
Iowa Division Of The Izaak Walton League Of America Inc 501(c)(3) · Des Moines, IA	$106K
LLogansport Water System 501(c)(4) · Boone, IA	$99K
IIzaak Walton League Of America Inc 501(c)(3) · Davenport, IA	$98K
Linn County Community Action Fund 501(c)(3) · Cedar Rapids, IA	$98K
Newton Arboretum And Botanical Gardens Inc 501(c)(3) · Newton, IA	$97K
FFive Island Trail Corporation 501(c)(3) · Emmetsburg, IA	$92K
Driftless Water Defenders 501(c)(3) · Iowa City, IA	$86K
FFriends Of Calkins Nature Area 501(c)(3) · Iowa Falls, IA	$81K
DDallas County Conservation Foundation 501(c)(3) · Perry, IA	$81K
Iowa Rivers Revival 501(c)(3) · Des Moines, IA	$76K
IIowa Recycling Association Incorporated 501(c)(3) · Davenport, IA	$71K
Iowa Association For Energy Efficiency 501(c)(3) · Pleasant Hill, IA	$71K
TThe Federated Garden Clubs Of Iowa Inc 501(c)(3) · Knoxville, IA	$64K
Friends Of The Yellow River State Forest Inc 501(c)(3) · Harpers Ferry, IA	$62K
Cedar Valley Trails Partnership 501(c)(3) · Cedar Falls, IA	$62K
PPrairie Forever Conservancy 501(c)(3) · Cedar Rapids, IA	$60K
Friends Of Lake Darling State Park 501(c)(3) · Brighton, IA	$59K
Earthmind Practice 501(c)(3) · Iowa City, IA	$59K
NNorthern Iowa River Greenbelt Association 501(c)(3) · Belmond, IA	$56K
Allamakee County Conservation Foundation 501(c)(3) · Lansing, IA	$53K
IIda County Conservation Foundation 501(c)(3) · Ida Grove, IA	$52K
IIzaak Walton League Ottumwa Chapter 501(c)(3) · Ottumwa, IA	$51K
CCarroll County Conservation Foundation 501(c)(3) · Carroll, IA	$46K
WWorth County Conservation Foundation 501(c)(3) · Northwood, IA	$46K
Limestone Bluffs Resource Conservation And Development Inc 501(c)(3) · Mechanicsvlle, IA	$46K
WWaters Edge Nature Center Foundation 501(c)(3) · Algona, IA	$40K
PPella Garden Club Inc 501(c)(3) · Pella, IA	$37K
Indian Creek Nature Center Charitable Trust 501(c)(3) · Cedar Rapids, IA	$34K
DDes Moines Founders Garden Club 501(c)(3) · Wdm, IA	$29K

Environment by metro area

Cities in Iowa