STRATEGY STUDIO / PUBLIC DATA EXPLORER

DES PLAINES WETLANDS CONSERVANCY INC

Cite this

Plain text DES PLAINES WETLANDS CONSERVANCY INC. Strategy Studio, nonprofit organization profile, tax years 2020–2024. https://strategystudio.org/org/391461671. Retrieved 2026-10-19.

APA Strategy Studio. (n.d.). DES PLAINES WETLANDS CONSERVANCY INC [Nonprofit organization profile; tax years 2020–2024]. Retrieved October 19, 2026, from https://strategystudio.org/org/391461671

MLA “DES PLAINES WETLANDS CONSERVANCY INC.” Strategy Studio, tax years 2020–2024, https://strategystudio.org/org/391461671. Accessed 19 Oct. 2026.

Retrieved 2026-10-19; covers tax years 2020–2024. Data: Strategy Studio, CC BY 4.0.

2024 · Form 990 · revenue $218K · expenses $390K · assets $21.2M

EIN
39-1461671
Address
9626 113TH ST, PLEASANT PR, WI 53158-2302
Website
WWW.EXPLOREDESPLAINESWETLANDS.COM
NTEE code
C320
Subsection
501(c)(3)
Ruling year
1984
Cross-check
ProPublica Nonprofit Explorer

Mission

ENVIRONMENTAL CONSERVANCY OF ECOLOGICALLY-SIGNIFICANT UNDEVELOPED LAND AND PROMOTING EDUCATION REGARDIG THE NEED TO CONSERVE.

Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).

People paid by the organization

None of the 8 people listed on these returns reported compensation from the organization. They are listed below.

Officers and directors, no compensation reported

8 people listed on the returns with $0 (or no amount) in every compensation column: current people first. Hours are as filed on the latest return each person appears on.

NameLatest titleYearsHrs/wk (latest)CompensationOrganizations
Gregory Elfering DIRECTOR2020-2024 0 $0 reported 1
Marc Whitehead DIRECTOR2020-2024 0 $0 reported 1
Chris Elfering SECRETARY2020-2024 0 $0 reported 1
Mike Harvey VICE PRESIDENT2020-2024 0 $0 reported 1
Rick Vojtisek TREASURER2020-2024 0 $0 reported 1
Sean Wilson PRESIDENT2020-2024 0 $0 reported 1
Bill Engelking DIRECTOR2024 0 $0 reported 1
Bil Engelking (former) DIRECTOR2020-2023 0 $0 reported 1

People by year

2024 · 7 people listed · none paid · 0 employees · 0 volunteers
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GREGORY ELFERING DIRECTOR0 $0$0$0 $01
BILL ENGELKING DIRECTOR0 $0$0$0 $01
MARC WHITEHEAD DIRECTOR0 $0$0$0 $01
CHRIS ELFERING SECRETARY0 $0$0$0 $01
MIKE HARVEY VICE PRESIDENT0 $0$0$0 $01
RICK VOJTISEK TREASURER0 $0$0$0 $01
SEAN WILSON PRESIDENT0 $0$0$0 $01
2023 · 7 people listed · none paid · 0 employees · 0 volunteers
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GREGORY ELFERING DIRECTOR0 $0$0$0 $01
BIL ENGELKING DIRECTOR0 $0$0$0 $01
MARC WHITEHEAD DIRECTOR0 $0$0$0 $01
CHRIS ELFERING SECRETARY0 $0$0$0 $01
MIKE HARVEY VICE PRESIDENT0 $0$0$0 $01
RICK VOJTISEK TREASURER0 $0$0$0 $01
SEAN WILSON PRESIDENT0 $0$0$0 $01
2022 · 7 people listed · none paid · 0 employees · 0 volunteers
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GREGORY ELFERING DIRECTOR0 $0$0$0 $01
BIL ENGELKING DIRECTOR0 $0$0$0 $01
MARC WHITEHEAD DIRECTOR0 $0$0$0 $01
CHRIS ELFERING SECRETARY0 $0$0$0 $01
MIKE HARVEY VICE PRESIDENT0 $0$0$0 $01
RICK VOJTISEK TREASURER0 $0$0$0 $01
SEAN WILSON PRESIDENT0 $0$0$0 $01
2021 · 7 people listed · none paid · 0 employees
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GREGORY ELFERING DIRECTOR- $0$0$0 $01
BIL ENGELKING DIRECTOR- $0$0$0 $01
MARC WHITEHEAD DIRECTOR- $0$0$0 $01
CHRIS ELFERING SECRETARY- $0$0$0 $01
MIKE HARVEY VICE PRESIDE- $0$0$0 $01
RICK VOJTISEK TREASURER- $0$0$0 $01
SEAN WILSON PRESIDENT- $0$0$0 $01
2020 · 7 people listed · none paid · 0 employees
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
GREGORY ELFERING DIRECTOR3 $0$0$0 $01
BIL ENGELKING DIRECTOR3 $0$0$0 $01
MARC WHITEHEAD DIRECTOR3 $0$0$0 $01
CHRIS ELFERING SECRETARY3 $0$0$0 $01
MIKE HARVEY VICE PRESIDE3 $0$0$0 $01
RICK VOJTISEK TREASURER3 $0$0$0 $01
SEAN WILSON PRESIDENT10 $0$0$0 $01

Highest-paid independent contractors

No independent contractors reported.

Who gave

Contributor names are not public for this form type.

Public charities filing Form 990 or 990-EZ report large donors on Schedule B, but the IRS withholds their names and addresses from public copies. Private foundations (990-PF) are different: their contributors are public.

Finances

Newest first. Each filing: its name on one row, its figures on the row beneath. Greyed filings are superseded by a later return for the same period and are left out everywhere else on this page.

RevenueExpensesAssetsNet assetsContributionsProgram revenueOfficer payEmployeesVolunteers
2024 · Form 990 period ending 2025-09-30 · view filing · original 990 ↗
$217,773$389,753 $21,222,386$21,091,423 $574,480$0 $000
2023 · Form 990 period ending 2024-09-30 · view filing · original 990 ↗
$413,792$339,480 $21,471,409$21,263,403 $340,766$0 $000
2022 · Form 990 period ending 2023-09-30 · view filing · original 990 ↗
$17,445,114$308,706 $21,658,016$21,189,091 $17,397,820$0 $000
2021 · Form 990 period ending 2022-09-30 · view filing · original 990 ↗
$2,006,912$254,507 $4,133,421$4,101,735 $1,983,829$0 -0-
2020 · Form 990 period ending 2021-09-30 · view filing · original 990 ↗
$364,933$187,192 $3,125,303$2,357,309 $343,000$0 -0-

Funders of this organization

11 grantors reported grants to this organization, $850,100 in all, tax years 2016 to 2025. Exact: the grantor wrote this organization's EIN. Fuzzy: the grantor wrote only a name (foundations' 990-PF has no EIN field), matched to the same or a near-identical name in the same state; the name as filed is shown. From the latest return for each grantor and year, so amended returns aren't counted twice. CSV

GrantorTypeMatchYears givenGrantsTotalLatest yearLatest year's amountGrants
FIDELITY INVESTMENTS CHARITABLE GIFT FUND DAF sponsor Exact 2021-2024 4$288,000 2024$24,500
show
MORGAN STANLEY GLOBAL IMPACT FUNDING TRUST INC DAF sponsor Exact 2021-2022 2$145,500 2022$100,000
show
THE AYCO CHARITABLE FOUNDATION DAF sponsor Exact 2021-2025 5$115,000 2025$15,000
show
DONOR ADVISED CHARITABLE GIVING DAF sponsor Exact 2021, 2023-2024 3$100,000 2024$35,000
show
SUNSHINE CHARITABLE FOUNDATION Private foundation Fuzzy filed as “Des Plaines Wetlands Conservancy Inc” 2021-2022 2$100,000 2022$50,000
show
NATIONAL PHILANTHROPIC TR DAF sponsor Exact 2021, 2023-2024 3$38,000 2024$8,000
show
THE CHICAGO COMMUNITY TRUST DAF sponsor Exact 2021 1$30,000 2021$30,000
show
HINRICHS FOUNDATION INC Private foundation Fuzzy filed as “DES PLAINES WETLANDS CONSERVANCY INC” 2018-2024 7$11,100 2024$1,000
show
BNY MELLON CHARITABLE GIFT FUND DAF sponsor Exact 2022 1$7,500 2022$7,500
show
AMERICAN ENDOWMENT FOUNDATION DAF sponsor Exact 2021 1$7,500 2021$7,500
show
ABBVIE FOUNDATION Private foundation Fuzzy filed as “Des Plaines Wetlands Conservancy Inc” 2016 1$7,500 2016$7,500
show

Similar organizations

Ranked without any AI: same NTEE code first, then the same NTEE group; then revenue within 2x, 5x or 10x; then the same state; then similar name and mission text. Same state only · More (100)

OrganizationStateNTEELatest revenueLatest expensesTop-paid titleTop payWhy similar
GREEN LAKE CONSERVANCY INCWIC32 $371,920$70,890 DIRECTOR$0 Same NTEE code C32, revenue within 2x, same state
FRIENDS OF DEVILS LAKE STATE PARKWIC32 $287,952$96,696 PRESIDENT$0 Same NTEE code C32, revenue within 2x, same state
WATERWAYS ASSOCIATION OF MENOMINEE AND SHAWANO COUNTIES INCWIC32 $204,619$231,254 BOARD MEMBER$0 Same NTEE code C32, revenue within 2x, same state
COURT OREILLES LAKES ASSOCIATION INCWIC32 $186,031$332,189 PRESIDENT$0 Same NTEE code C32, revenue within 2x, same state
FRIENDS OF LAKE HENRY INCWIC32 $187,752$2,121 TREASURER$0 Same NTEE code C32, revenue within 2x, same state
VALLEY STEWARDSHIP NETWORK INCWIC32 $303,104$338,147 Chairman$0 Same NTEE code C32, revenue within 2x, same state
SHAWANO LAKE PROPERTY OWNERS ASSOCWIC32 $263,781$155,605 BOARD MEMBER$0 Same NTEE code C32, revenue within 2x, same state
FRIESS LAKE ADVANCEMENT ASSOCIATIONWIC32 $132,687$115,308 President$0 Same NTEE code C32, revenue within 2x, same state
NORTH AMERICAN STORMWATER AND EROSION CONTROL ASSOCIATION OF WISWIC32 $154,565$143,712 Executive Director$50,417 Same NTEE code C32, revenue within 2x, same state
LAKE OWEN ASSOCIATION INCWIC32 $259,290$104,707 DIRECTOR$0 Same NTEE code C32, revenue within 2x, same state
ROUND LAKE PROPERTY OWNERS ASSN INCWIC32 $165,033$60,584 DIRECTOR$0 Same NTEE code C32, revenue within 2x, same state
THREE LAKES WATERFRONT ASSN INCWIC32 $135,517$153,655 Secretary$0 Same NTEE code C32, revenue within 2x, same state
NAMAKAGON LAKE ASSOCIATION INCWIC32 $113,516$96,236 President$0 Same NTEE code C32, revenue within 2x, same state
SPIDER CHAIN OF LAKES IMPROVEMENT ASSOCIATIONWIC32 $318,322$77,391 DIRECTOR$0 Same NTEE code C32, revenue within 2x, same state
FRIENDS OF KICKAPOO VALLEY RESERVE INCWIC32 $117,418$97,832 TREASURER$1,350 Same NTEE code C32, revenue within 2x, same state
LAKE EAU GALLE ASSOCIATION INCWIC32 $134,240$4,732 President$0 Same NTEE code C32, revenue within 2x, same state
UPPER SUGAR RIVER WATERSHED ASSOCIATIONWIC32 $164,562$179,677 TREASURER$0 Same NTEE code C32, revenue within 2x, same state
RIDGETOP LAKES CONSERVANCY INCNYC32 $150,365$698 President$0 Same NTEE code C32, revenue within 2x, similar mission
LAKE GEORGE CONSERVANCY INCINC32 $374,299$57,356 DIRECTOR$0 Same NTEE code C32, revenue within 2x
SSI CONSERVANCY TRUST INCGAC32 $320,226$105,976 PRESIDENT$0 Same NTEE code C32, revenue within 2x
RIVERSIDE CONSERVANCY INCFLC32 $277,731$250,941 EXECUTIVE DIRECTOR$64,836 Same NTEE code C32, revenue within 2x
MECOX BAY CONSERVANCY INCNYC32 $127,547$253,890 Executive Dir.$140,000 Same NTEE code C32, revenue within 2x
COPAKE LAKE CONSERVATION SOCIETY INCNYC32 $135,120$84,881 DIRECTOR$0 Same NTEE code C32, revenue within 2x, similar mission
NORTH DELTA CONSERVANCYCAC32 $117,405$112,363 PRESIDENT$0 Same NTEE code C32, revenue within 2x
SOUTHERN MAINE WETLANDS CONSERVANCYFLC32 $148,896$133,984 PRESIDENT/DI$73,000 Same NTEE code C32, revenue within 2x, similar name

Who funds organizations like this

Grantors that funded the 100 most similar organizations. Ranked by total given to them. Foundations (990-PF) and donor-advised fund sponsors only. Same matching as Funders above (by EIN, or by name for foundations).

GrantorTypeTotal givenGrantsOrganizations fundedYearsWhich ones
FIDELITY INVESTMENTS CHARITABLE GIFT FUND funds this one DAF sponsor$2,182,82693 322016–2024 JONES RIVER WATERSHED ASSOCIATION INC; FRIENDS OF PALM BEACH INC; YELLOW DOG WATERSHED PRESERVE INC; SALT PONDS COALITION INC and 28 more
VANGUARD CHARITABLE ENDOWMENT PROGRAM DAF sponsor$1,582,70014 72020–2024 JONES RIVER WATERSHED ASSOCIATION INC; GARNET LAKE CONSERVATION ASSOCIATION INC; GREEN LAKE CONSERVANCY INC; CHILMARK POND FOUNDATION INC and 3 more
THE SCHMIDT FAMILY FOUNDATION Private foundation$1,230,0008 32020–2024 PLANT A MILLION CORALS FOUNDATION INC; GREAT BASIN RESOURCE WATCH; ROZALIA PROJECT
W K KELLOGG FOUNDATION Private foundation$1,077,5408 12009–2020 KHM INTERNATIONAL
DONOR ADVISED CHARITABLE GIVING funds this one DAF sponsor$1,069,08348 212014–2024 LAKE EFFECT CONSERVANCY; CHILMARK POND FOUNDATION INC; BAY LAKE IMPROVEMENT ASSOCIATION ENVIRONMENTAL PROTECTION FUND; SEASIDE SUSTAINABILITY INC and 17 more
RICKETTS CONSERVATION FOUNDATION Private foundation$1,041,6665 12020–2024 WYOMING WETLANDS SOCIETY
CHARLES STEWART MOTT FOUNDATION Private foundation$801,25014 12015–2024 HEART OF THE LAKES CENTER FOR LAND CONSERVATION POLICY
MINNEAPOLIS FOUNDATION DAF sponsor$598,00011 32011–2024 LAKE EFFECT CONSERVANCY; BAY LAKE IMPROVEMENT ASSOCIATION ENVIRONMENTAL PROTECTION FUND; PICKEREL LAKE CONSERVANCY
CONNECTICUT COMMUNITY FOUNDATION INC DAF sponsor$470,72215 12010–2025 POMPERAUG RIVER WATERSHED COALITION INC
FORGOOD INC DAF sponsor$462,52624 72011–2024 PROYECTO TITI INC; GREEN LAKE CONSERVANCY INC; YELLOW DOG WATERSHED PRESERVE INC; PLANT A MILLION CORALS FOUNDATION INC and 3 more
NATIONAL PHILANTHROPIC TR funds this one DAF sponsor$437,50018 62016–2024 PECONIC BAYKEEPER INC; FRIENDS OF PALM BEACH INC; HIGHLANDS GLACIAL LAKES INITIATIVE INC; SMALL HOPE BAY FOUNDATION INC and 2 more
CARLS FOUNDATION Private foundation$393,2006 22012–2016 HEART OF THE LAKES CENTER FOR LAND CONSERVATION POLICY; YELLOW DOG WATERSHED PRESERVE INC
COMMUNITY FOUNDATION OF JACKSON HOLE DAF sponsor$333,3106 12019–2024 WYOMING WETLANDS SOCIETY
MARTHAS VINEYARD COMMUNITY FOUNDATION INC DAF sponsor$317,4273 12022–2024 CHILMARK POND FOUNDATION INC
FORD FOUNDATION Private foundation$300,0007 12014–2019 OCEAN DOCTOR INC

The full list · all similar organizations

Where the money went

Every expense line on each return, biggest first: Form 990 Part IX (with its program, management and fundraising columns), 990-EZ Part I, or 990-PF Part I. Event marks lines the organization itself describes as events. “Events” in each summary adds those lines, conferences and meetings, and the direct costs of fundraising events. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

2024 · Form 990 · $389,753 spent · pay $0 · grants $2,000 · events $0
LineAs describedTotalProgramManagementFundraisingShare
Other (as described)TREES, SEED, FERTILIZER $104,676$104,676-- 26.9%
Depreciation and depletion $60,200$60,200-- 15.4%
Fees: other services $57,580$57,580-- 14.8%
Occupancy $53,544$53,544-- 13.7%
Other (as described)MAINTENANCE $44,880$44,880-- 11.5%
Other (as described)UNCOLLECTIBLE PLEDGES $25,000$25,000-- 6.4%
Other (as described)FUNDRAISING EXPENSES $20,723$20,723-- 5.3%
Interest $6,948$6,948-- 1.8%
Insurance $6,638$4,978$1,660- 1.7%
Fees: accounting $4,500-$4,500- 1.2%
Office expenses $3,064$2,298$766- 0.8%
Grants to US organizations and governments $2,000$2,000-- 0.5%
Total$389,753100%

View the filing

2023 · Form 990 · $339,480 spent · pay $0 · grants $5,500 · events $0
LineAs describedTotalProgramManagementFundraisingShare
Other (as described)TREES, SEED, FERTILIZER $88,417$88,417-- 26.0%
Depreciation and depletion $66,292$66,292-- 19.5%
Occupancy $64,959$64,959-- 19.1%
Other (as described)FUNDRAISING EXPENSES $34,559$34,559-- 10.2%
Other (as described)MAINTENANCE $24,710$24,710-- 7.3%
Interest $19,266$19,266-- 5.7%
Fees: other services $15,013$15,013-- 4.4%
Insurance $8,008$6,006$2,002- 2.4%
Other (as described)UNCOLLECTIBLE PLEDGES $7,500$7,500-- 2.2%
Grants to US organizations and governments $5,500$5,500-- 1.6%
Fees: accounting $4,500-$4,500- 1.3%
Office expenses $756$690$66- 0.2%
Total$339,480100%

View the filing

2022 · Form 990 · $308,706 spent · pay $0 · grants $2,500 · events $0
LineAs describedTotalProgramManagementFundraisingShare
Other (as described)TREES, SEED, FERTILIZER $117,218$117,218-- 38.0%
Depreciation and depletion $57,787$57,787-- 18.7%
Occupancy $47,335$47,335-- 15.3%
Other (as described)FUNDRAISING EXPENSES $39,125$39,125-- 12.7%
Fees: other services $26,035$26,035-- 8.4%
Interest $6,208$6,208-- 2.0%
Insurance $4,709$3,532$1,177- 1.5%
Fees: accounting $4,000-$4,000- 1.3%
Other (as described)MAINTENANCE $3,522$3,522-- 1.1%
Grants to US individuals $2,500$2,500-- 0.8%
Office expenses $267$200$67- 0.1%
Total$308,706100%

View the filing

2021 · Form 990 · $254,507 spent · pay $0 · grants $1,500 · events $0
LineAs describedTotalProgramManagementFundraisingShare
Other (as described)TREES, SEEDS, FERTILIZER $122,799$122,799-- 48.2%
Depreciation and depletion $53,489$53,489-- 21.0%
Other (as described)PROPERTY TAXES $25,625$25,625-- 10.1%
Interest $17,085$17,085-- 6.7%
Insurance $7,418$5,563$1,855- 2.9%
Office expenses $6,333$5,829$504- 2.5%
Other (as described)UTILITIES $5,870$5,870-- 2.3%
Fees: other services $5,453$5,453-- 2.1%
Other (as described)MAINTENANCE & SMALL EQUIP $5,316$5,316-- 2.1%
All other expenses $3,619$119$3,500- 1.4%
Grants to US individuals $1,500$1,500-- 0.6%
Total$254,507100%

View the filing

2020 · Form 990 · $187,192 spent · pay $0 · grants $1,500 · events $0
LineAs describedTotalProgramManagementFundraisingShare
Other (as described)TREES, PLANTS, SEED, FERT $86,837$86,837-- 46.4%
Depreciation and depletion $33,717$33,717-- 18.0%
Fees: legal $21,140$21,140-- 11.3%
Other (as described)PROPERTY TAX $15,473$15,473-- 8.3%
Fees: other services $7,625$7,625-- 4.1%
Interest $4,081$4,081-- 2.2%
Office expenses $3,757$3,094$663- 2.0%
Other (as described)BOOKKEEPING SERVICES $3,500-$3,500- 1.9%
Other (as described)UTILITIES $3,322$3,322-- 1.8%
Insurance $2,951$2,213$738- 1.6%
All other expenses $1,839$1,839-- 1.0%
Grants to US individuals $1,500$1,500-- 0.8%
Advertising and promotion $1,450$1,450-- 0.8%
Total$187,192100%

View the filing