Civic Intelligence

Chesapeake Bay Watershed Archeological

EIN 52-2342146 • 501(c)3 • Tilghman, MD

Profile

Research for archaeological artifacts on various properties in the chesapeake bay area

PO Box 180Tilghman, MD 21671

n/A

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

Score unavailable

No value available

Liabilities-to-assets requires both liabilities and assets on the latest valid filing.

Source year 2025

Liabilities / Revenue

Score unavailable

No value available

Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.

Source year 2025

Net Margin

Score unavailable

No value available

Net margin requires both revenue and expenses on the latest valid filing.

Source year 2025

Top Officer Pay

81st percentile

$0

Higher top officer pay than 81% of similar nonprofits.

501(c)3 • <$500k nonprofits • Source year 2025

Asset Growth

49th percentile

-2.7%

Faster asset growth than 49% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Revenue Growth

3rd percentile

-100%

Faster revenue growth than 3% of similar nonprofits.

501(c)3 • <$500k nonprofits • Annualized from 2024 to 2025

Balance Sheet
Liabilities / AssetsScore unavailable

Assets

Up

$221,023

Up $23,446 (+12%) from 2023

Liabilities

-

No earlier filing loaded for comparison.

Net Assets

$221,023

No earlier filing loaded for comparison.

Operations
Liabilities / RevenueScore unavailableNet MarginScore unavailable

Revenue

Down

$0

Down $11,463 (-100%) from 2023

Expenses

Down

$6,071

Down $4,941 (-45%) from 2023

Net Income

Down

-$6,071

Down $6,522 (-1446%) from 2023

Trend Graphs

Balance Sheet Trend

Asset Growth49th percentile

Grouped bars show assets, liabilities, and net assets across loaded filings.

$300K$200K$100K$0Assets 2010: $43,377Net Assets 2010: $43,3772010Assets 2011: $39,037Net Assets 2011: $39,0372011Assets 2012: $27,644Net Assets 2012: $27,6442012Assets 2013: $29,786Liabilities 2013: $02013Assets 2014: $27,718Net Assets 2014: $27,7182014Assets 2015: $108,735Liabilities 2015: $0Net Assets 2015: $108,7352015Assets 2016: $246,636Liabilities 2016: $0Net Assets 2016: $246,6362016Assets 2017: $227,800Net Assets 2017: $227,8002017Assets 2018: $221,733Net Assets 2018: $221,7332018Assets 2019: $221,092Net Assets 2019: $221,0922019Assets 2020: $241,731Net Assets 2020: $241,7312020Assets 2021: $208,025Liabilities 2021: $02021Assets 2022: $197,126Net Assets 2022: $197,1262022Assets 2023: $197,577Liabilities 2023: $02023Assets 2025: $221,023Net Assets 2025: $221,0232025

Highlighted filing

2025

Assets$221,023
Liabilities-
Net Assets$221,023
Open 2025 Filing

Operations Trend

Revenue Growth3rd percentile

Revenue, expenses, and net income by year, with the latest filing highlighted.

$300K$200K$100K$0-$100KRevenue 2010: $67,915Expenses 2010: $39,121Net Income 2010: $28,7942010Revenue 2011: $38,130Expenses 2011: $42,470Net Income 2011: -$4,3402011Revenue 2012: $40,978Expenses 2012: $52,371Net Income 2012: -$11,3932012Revenue 2013: $39,660Expenses 2013: $37,518Net Income 2013: $2,1422013Revenue 2014: $34,626Expenses 2014: $36,694Net Income 2014: -$2,0682014Revenue 2015: $228,184Expenses 2015: $147,167Net Income 2015: $81,0172015Revenue 2016: $236,835Expenses 2016: $98,934Net Income 2016: $137,9012016Revenue 2017: $12,705Expenses 2017: $31,541Net Income 2017: -$18,8362017Revenue 2018: $43,200Expenses 2018: $49,267Net Income 2018: -$6,0672018Revenue 2019: $52,283Expenses 2019: $52,924Net Income 2019: -$6412019Revenue 2020: $58,350Expenses 2020: $37,711Net Income 2020: $20,6392020Revenue 2021: $11,100Expenses 2021: $44,806Net Income 2021: -$33,7062021Revenue 2022: $5,532Expenses 2022: $16,431Net Income 2022: -$10,8992022Revenue 2023: $11,463Expenses 2023: $11,012Net Income 2023: $4512023Revenue 2025: $0Expenses 2025: $6,071Net Income 2025: -$6,0712025

Highlighted filing

2025

Revenue$0
Expenses$6,071
Net Income-$6,071
Open 2025 Filing

Filings

Most recent year

2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.

Open filing
Assets
$221,023
Liabilities
-
Net assets
$221,023
Revenue
$0
Expenses
$6,071
Net income
-$6,071
Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2025Detailed filing. Detailed filing data is available for this year.$2.21$2.21$0.00$0.06$0.06
2023Summary only. Only limited summary data is available for this year.$1.98$0.00$0.11$0.11$0.00
2022XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$1.97$1.97$0.06$0.16$0.11
2021Summary only. Only limited summary data is available for this year.$2.08$0.00$0.11$0.45$0.34
2020XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$2.42$2.42$0.58$0.38$0.21
2019Detailed filing. Detailed filing data is available for this year.$2.21$2.21$0.52$0.53$0.01
2018XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$2.22$2.22$0.43$0.49$0.06
2017XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$2.28$2.28$0.13$0.32$0.19
2016XML pending. An XML filing is linked for this year, but detailed extraction is still pending.$2.47$0.00$2.47$2.37$0.99$1.38
2015Detailed filing. Detailed filing data is available for this year.$1.09$0.00$1.09$2.28$1.47$0.81
2014Detailed filing. Detailed filing data is available for this year.$0.28$0.28$0.35$0.37$0.02
2013Summary only. Only limited summary data is available for this year.$0.30$0.00$0.40$0.38$0.02
2012Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.28$0.28$0.41$0.52$0.11
2011Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.39$0.39$0.38$0.42$0.04
2010Facts available. Structured filing facts are available, but richer extracted sections are limited.$0.43$0.43$0.68$0.39$0.29
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2025 to Dec 31, 2025
Signed
Feb 14, 2026
Return Version
2025v4.0
Mission and Program Overview

Mission

Research for archaeological artifacts on various properties in the chesapeake bay area

Program Services

DescriptionGrantsExpenses
RESEARCH FOR ARCHAEOLOGICAL ARTIFACTS ON VARIOUS PROPERTIES IN THE CHESAPEAKE BAY AREA.-$1,910
Compensation and Service Providers
Top Officer Pay81st percentile

Employees

NameTitleFull / Part TimeBaseOtherTotal
DARRIN LOWERYExecutive DirecFT$0--
DAVID R THOMPSONSecretary-$0--
NORMAN BRADYTreasurer-$0--
Filing and Contact Details

Filer

Filer Name
Chesapeake Bay Watershed Archeological
EIN
52-2342146
Phone
4437868661
Address
PO BOX 180, TILGHMAN, MD 21671

Signing Officer

Name
Darrin Lowery
Title
Executive Director
Signed
2026-02-14
Discuss with paid preparer
Yes

Preparer

Firm
Weaver Mavity Short Associates LLC
Address
117 Bay Street, Easton, MD 21601
Preparer
Leah B Lednum CPA
Phone
4108208400
Supplemental Narrative

Additional Explanations

Other Expenses.1009

“Depreciation $4161”

Other Expenses.1

“Boat repairs & maintenance $1520”

Other Expenses.2

“BOAT GAS & OIL $320”

Other Expenses.3

“BOAT REGISTRATION $70”

Other Assets.1004

“Miscellaneous - Beginning $26698 Miscellaneous - Ending $22537”

Other Assets.1011

“Prepaid Expenses and Deferred Charges - Beginning $12021 Prepaid Expenses and Deferred Charges - Ending $12021”

Other Assets.1012

“Intangible Assets - Beginning $500 Intangible Assets - Ending $500”

Other Assets.1

“ARTIFACT COLLECTION - Beginning $184535 ARTIFACT COLLECTION - Ending $184535”

Raw XML Appendix154 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

Path#Value
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IRS990EZ/BooksInCareOfDetail/USAddress/CityNm0TILGHMAN
IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd0MD
IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd021671
IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt03340
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IRS990EZ/FiledScheduleAInd0true
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IRS990EZ/FundraisingGrossIncomeAmt00
IRS990EZ/InfoInScheduleOPartIIInd0X
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IRS990EZ/LobbyingActivitiesInd0false
IRS990EZ/MadeLoansToFromOfficersInd0false
IRS990EZ/MethodOfAccountingCashInd0X
IRS990EZ/NetAssetsOrFundBalancesBOYAmt0227094
IRS990EZ/NetAssetsOrFundBalancesEOYAmt0221023
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IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt0221023
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt040.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt11.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt21.00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt00
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt10
IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt20
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm0DARRIN LOWERY
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm1DAVID R THOMPSON
IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm2NORMAN BRADY
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt0Executive Direc
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt1Secretary
IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt2Treasurer
IRS990EZ/OperateHospitalInd0false
IRS990EZ/Organization501c3Ind0X
IRS990EZ/OrganizationDissolvedEtcInd0false
IRS990EZ/OrganizationHadUBIInd0false
IRS990EZ/OtherAssetsTotalDetail/BOYAmt0223754
IRS990EZ/OtherAssetsTotalDetail/EOYAmt0219593
IRS990EZ/OtherExpensesTotalAmt06071
IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt0NONE
IRS990EZ/PartVIOfCompOfHghstPdEmplTxt0NONE
IRS990EZ/PoliticalCampaignActyInd0false
IRS990EZ/PrimaryExemptPurposeTxt0RESEARCH FOR ARCHAEOLOGICAL ARTIFACTS ON VARIOUS PROPERTIES IN THE CHESAPEAKE BAY AREA
IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt0RESEARCH FOR ARCHAEOLOGICAL ARTIFACTS ON VARIOUS PROPERTIES IN THE CHESAPEAKE BAY AREA.
IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt01910
IRS990EZ/ProhibitedTaxShelterTransInd0false
IRS990EZ/RelatedOrganizationCtrlEntInd0false
IRS990EZ/ScheduleBNotRequiredInd0X
IRS990EZ/SchoolOperatingInd0false
IRS990EZ/SpecialEventsDirectExpensesAmt00
IRS990EZ/SubjectToProxyTaxInd0false
IRS990EZ/TanningServicesProvidedInd0false
IRS990EZ/TaxImposedOnOrganizationMgrAmt00
IRS990EZ/TaxImposedUnderIRC4911Amt00
IRS990EZ/TaxImposedUnderIRC4912Amt00
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IRS990EZ/TaxReimbursedByOrganizationAmt00
IRS990EZ/TotalExpensesAmt06071
IRS990EZ/TotalProgramServiceExpensesAmt01910
IRS990EZ/TotalRevenueAmt00
IRS990EZ/TransactionWithControlEntInd0false
IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd0false
IRS990EZ/TypeOfOrganizationCorpInd0X
IRS990EZ/WebsiteAddressTxt0N/A
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus1YearAmt040410
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearMinus2YearsAmt0400
IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt040810
IRS990ScheduleA/First5Years509Ind0X
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt040410
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt0400
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt011100
IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt051910
IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt00
IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt00
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt011063
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt05532
IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt016595
IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt00
IRS990ScheduleA/InvestmentIncomeCYPct00.00000
IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt00
IRS990ScheduleA/OtherIncome509Grp/TotalAmt00
IRS990ScheduleA/Post1975UBTIGrp/TotalAmt00
IRS990ScheduleA/PubliclySupportedOrg509a2Ind0X
IRS990ScheduleA/PublicSupportCY509Pct00.00000
IRS990ScheduleA/PublicSupportTotal509Amt027695
IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/CurrentTaxYearMinus1YearAmt040410
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IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt040810
IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt00
IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt00
IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt040410
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IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt011100
IRS990ScheduleA/Total509Grp/TotalAmt068505
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt040410
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt011463
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt05532
IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt011100
IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt068505
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0Depreciation $4161
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1BOAT REPAIRS & MAINTENANCE $1520
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2BOAT GAS & OIL $320
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3BOAT REGISTRATION $70
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4Miscellaneous - Beginning $26698 Miscellaneous - Ending $22537
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5Prepaid Expenses and Deferred Charges - Beginning $12021 Prepaid Expenses and Deferred Charges - Ending $12021
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt6Intangible Assets - Beginning $500 Intangible Assets - Ending $500
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt7ARTIFACT COLLECTION - Beginning $184535 ARTIFACT COLLECTION - Ending $184535
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Other Expenses.1009
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Other Expenses.1
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IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Other Expenses.3
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IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc6Other Assets.1012
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc7Other Assets.1
ReturnHeader/BuildTS02025-03-06 01:10:19Z
ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd0true
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ReturnHeader/BusinessOfficerGrp/SignatureDt02026-02-14
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ReturnHeader/PreparerPersonGrp/PreparerPersonNm0Leah B Lednum CPA
ReturnHeader/ReturnTs02026-02-14T09:23:16-08:00
ReturnHeader/ReturnTypeCd0990EZ
ReturnHeader/TaxPeriodBeginDt02025-01-01
ReturnHeader/TaxPeriodEndDt02025-12-31
ReturnHeader/TaxYr02025

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