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Nonprofit · EIN 51-0375307

PARTNERSHIP FOR THE DELAWARE ESTUARY INC

Tax-exempt · WILMINGTON, DE 19801

Financials

$3.8M$3.4M2023$4.6M$4.2M2024
Revenue Expenses · by fiscal year end
Financials of PARTNERSHIP FOR THE DELAWARE ESTUARY INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$4,558,416$4,160,205$398,211$3,526,669$826,389$2,700,280
December 31, 2023990$3,784,340$3,353,077$431,263$3,137,592$835,523$2,302,069
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$4,481,950
of which government grants
$3,419,259
Program service revenue
$0
Investment income
$51,388
Net income from fundraising events
$9,590
Other revenue
$25,078

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$257,297
Other salaries and wages
$1,788,211
Salaries, compensation and benefits (total)
$2,417,584
Professional fundraising fees
$0
Occupancy
$142,636
Travel
$54,872
Depreciation
$8,845
Program services (functional)
$3,109,863
Management and general (functional)
$884,524
Fundraising (functional)
$165,818

Balance sheet and other

Total assets, start of year
$3,137,592
Total assets, end of year
$3,526,669
Total liabilities, end of year
$826,389
Net assets, end of year
$2,700,280
Land, buildings and equipment
$585,777
Publicly traded securities
$26,255
Net assets without donor restrictions
$2,358,034
Net assets with donor restrictions
$342,246
Gross receipts
$4,558,416
Employees
37
Volunteers
251
Year formed
1996
State of legal domicile
DE

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
KATHY KLEINEXECUTIVE DI
Officer
35$150,359$5,236
ELIZABETH HORSEYDEVELOPMENT
Highest-paid employee
35$103,668$11,929
MARTHA MAXWELL-DOYLEPROGRAM DIRE
Highest-paid employee
35$103,450$11,787
990 for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensationOther / benefits
DANIELLE KREEGERSR. SCIENCE
Highest-paid employee
35$152,919$4,772
KATHY KLEINEXECUTIVE DI
Officer
35$142,680$5,200

Address and contacts

Address (IRS master file)
110 S POPLAR ST STE 202, WILMINGTON, DE 19801-5034
Principal officer (990 for 2024)
KATHY KLEIN, 110 SOUTH POPLAR STREET, WILMINGTON, DE 19801
Signed the 990
KATHY KLEIN, EXECUTIVE DIRECTOR
Phone
(302) 655-4990
Return prepared by
MILLIGAN & COMPANY LLC

Mission

PARTNERSHIP FOR THE DELAWARE ESTUARY, INC. (PDE), HOST OF THE DELAWARE ESTUARY PROGRAM, LEADS COLLABORATIVE, SCIENCE-BASED EFFORTS TO IMPROVE THE DELAWARE RIVER AND BAY, WHICH COVERS PORTIONS OF DELAWARE, NEW JERSEY, AND PENNSYLVANIA.

990 for the year ended December 31, 2024

Program accomplishments

  • LIVING SHORELINES - PDE CONTINUED TO CONDUCT STUDIES TO BETTER UNDERSTAND THE FRESHWATER MUSSEL HABITAT REQUIREMENTS THAT IMPROVE LIVING SHORELINE DESIGNS, AND CONTINUED TO WORK ON LIVING SHORELINE PLANNING, INSTALLATION, AND MONITORING. THIS INCLUDED LIVING SHORELINE MONITORING AT LEWES, DE; MISPILLION, DE; AND MAURICE RIVER, NJ; AS WELL AS ON THE SCHUYLKILL RIVER IN PHILADELPHIA. BIVALVE RESEARCH AND FRESHWATER MUSSEL PROPAGATION - PDE CONDUCTED FRESHWATER MUSSEL GENETIC RESEARCH AND FRESHWATER MUSSEL GROWTH RESEARCH AT SEVERAL LOCATIONS ACROSS PA, DE, AND NJ. PDE IS ALSO CONTINUING TO WORK TOWARD THE START OF CONSTRUCTION OF THE FRESHWATER MUSSEL HATCHERY. WETLANDS MONITORING AND ASSESSMENT - PDE CONDUCTED WETLANDS MONITORING AND ASSESSMENT AS PART OF THE MID-ATLANTIC COASTAL WETLANDS MONITORING AND ASSESSMENT (MACWA) PROGRAM. MACWA ACTIVITIES INCLUDED SITE SPECIFIC INTENSIVE MONITORING (SSIM), AS WELL AS GROUNDWATER MONITORING AT SITES IN NJ AND DE TO ASSESS THE IMPACTS OF CLIMATE CHANGE AND SEA LEVEL RISE. THE USE OF NEWLY ACQUIRED ACOUSTIC MONITORING EQUIPMENT IS ALSO BEING INCORPORATED INTO MONITORING AT RESTORATION SITES TO ASSESS THE CHANGE IN WILDLIFE USAGE PRE- AND POST-RESTORATION. PUBLIC ENGAGEMENT - PDE STAFF ENGAGED IN COMMUNITY OUTREACH RELATED TO CLEAN WATER, HEALTHY HABITATS, AND STRONG COMMUNITIES. PDE PARTICIPATED IN AN INCREASED THE NUMBER OF PUBLIC EVENTS AND FESTIVALS IN 2024, PROVIDING PDE WITH MORE OPPORTUNITIES TO ENGAGE WITH PEOPLE FACE-TO-FACE. IN ADDITION TO IN-PERSON EVENTS, PDE REACHED COMMUNITIES THROUGH VARIOUS SOCIAL MEDIA PLATFORMS AND PDE'S ESTUARY NEWS NEWSLETTER. URBAN WATERS FEDERAL PARTNERSHIP COORDINATION - PDE SERVED AS THE COORDINATOR OF THE URBAN WATERS FEDERAL PARTNERSHIP (UWFP) FOR THE DELAWARE RIVER LOCATION, WHICH INCLUDES THE CITIES OF PHILADELPHIA (PA), CHESTER (PA), CAMDEN (NJ), AND WILMINGTON (DE). PDE STENGTHENED CONNECTIONS WITHIN EACH OF THESE COMMUNITIES AND WORKED WITH COMMUNITY GROUPS TO PLAN COMMUNITY PROJECTS THAT WILL HELP IMPROVE WATER QUALITY, HABITAT, AND CLIMATE RESILIENCE.
    Expenses $3,109,863

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Not on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
51-0375307
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1996
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C30)
Assets (IRS master file)
$3,526,669
Income (IRS master file)
$4,558,416

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$4,558,416$4,160,205$3,526,669IRS
990December 2023$3,784,340$3,353,077$3,137,592XML
990December 2022$3,346,234$3,120,392$2,557,494IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 51-0375307).

Questions about PARTNERSHIP FOR THE DELAWARE ESTUARY INC

What is the EIN of PARTNERSHIP FOR THE DELAWARE ESTUARY INC?
The employer identification number (EIN) of PARTNERSHIP FOR THE DELAWARE ESTUARY INC is 51-0375307.
Is PARTNERSHIP FOR THE DELAWARE ESTUARY INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to PARTNERSHIP FOR THE DELAWARE ESTUARY INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does PARTNERSHIP FOR THE DELAWARE ESTUARY INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of PARTNERSHIP FOR THE DELAWARE ESTUARY INC due?
The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PARTNERSHIP FOR THE DELAWARE ESTUARY INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of PARTNERSHIP FOR THE DELAWARE ESTUARY INC?
The 990 for the year ended December 31, 2024 names KATHY KLEIN.
Who are the officers and directors of PARTNERSHIP FOR THE DELAWARE ESTUARY INC?
The 990 for the year ended December 31, 2024 lists 3 people; 3 received compensation from the organization, the highest $150,359 (KATHY KLEIN, EXECUTIVE DI).
How much revenue does PARTNERSHIP FOR THE DELAWARE ESTUARY INC have?
On its 990 for the year ended December 31, 2024 it reported revenue of $4,558,416, expenses of $4,160,205 and total assets of $3,526,669 at year end.

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