Liabilities / Assets
Score unavailable
Liabilities-to-assets requires both liabilities and assets on the latest valid filing.
EIN 74-3259210 • 501(c)6 • Richmond, VA
Profile
To promote clean water in maryland by (a) efficiently sharing knowledge on stormwater management, and (b) establishing and maintaining good working relationships with state and federal officials.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
Score unavailable
Liabilities-to-assets requires both liabilities and assets on the latest valid filing.
Liabilities / Revenue
Score unavailable
Liabilities-to-revenue requires both liabilities and revenue on the latest valid filing.
Net Margin
57th percentile
Higher net margin than 57% of similar nonprofits.
Top Officer Pay
77th percentile
Higher top officer pay than 77% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
68th percentile
Faster asset growth than 68% of similar nonprofits.
Revenue Growth
61st percentile
Faster revenue growth than 61% of similar nonprofits.
Assets
Up$101,727
Up $8,397 (+9.0%) from 2024
Liabilities
-
No earlier filing loaded for comparison.
Net Assets
$101,727
No earlier filing loaded for comparison.
Revenue
Up$198,290
Up $10,685 (+5.7%) from 2024
Expenses
Up$189,893
Up $8,893 (+4.9%) from 2024
Net Income
Up$8,397
Up $1,792 (+27%) from 2024
Most recent year
2025 • Form 990EZDetailed filing. Detailed filing data is available for this year.
To promote clean water in maryland by (a) efficiently sharing knowledge on stormwater management, and (b) establishing and maintaining good working relationships with state and federal officials.
| Description | Grants | Expenses |
|---|---|---|
| THE ASSOCIATION MONITORED AND ACTIVELY PARTICIPATED IN THE REGULATORY PROCESS ON MATTERS AFFECTING THE STORMWATER MANAGEMENT INDUSTRY IN MARYLAND. DURING THE YEAR, IT EVALUATED MANY COMPLEX NEW STORMWATER POLICY DEVELOPMENTS AND SUBMITTED STORMWATER MANAGEMENT RECOMMENDATIONS TO VARIOUS MARYLAND MUNICIPALITIES. THESE RECOMMENDATIONS BENEFIT THE ASSOCIATION'S MEMBERS AND THE INDUSTRY AS A WHOLE. | - | - |
| THE ASSOCIATION CONDUCTED A NUMBER OF EDUCATIONAL MEETINGS AND PROVIDED TRAINING TO UPDATE ATTENDEES ON REGULATIONS, LEGISLATION, COURT CASES, ENFORCEMENT ACTIONS, ETC., AFFECTING THE STORMWATER MANAGEMENT INDUSTRY IN MARYLAND. | - | - |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| KORDELL WILEN | President | PT | $0 | - | - |
| MARK RICHMOND | Treasurer | PT | $0 | - | - |
| AMY STEVENS | Director | - | $0 | - | - |
| LEE EDGAR | Director | - | $0 | - | - |
| DONALD DORSEY | Director | - | $0 | - | - |
| LINDSEY SNYDER | Director | - | $0 | - | - |
| JASMINE WILDING | Director | - | $0 | - | - |
| Line Item | Amount |
|---|---|
| Current Year Nondeductible Lobbying and Political Cost | $12,531 |
| Total Nondeductible Lobbying and Political Cost | $12,531 |
“To promote clean water in maryland by (a) efficiently sharing knowledge on stormwater management, and (b) establishing and maintaining good working relationships with state and federal officials.”
“The association monitored and actively participated in the regulatory process on matters affecting the stormwater management industry in maryland. During the year, it evaluated many complex new stormwater policy developments and submitted stormwater management recommendations to various maryland municipalities. These recommendations benefit the association's members and the industry as a whole.”
“The association conducted a number of educational meetings and provided training to update attendees on regulations, legislation, court cases, enforcement actions, etc., affecting the stormwater management industry in maryland.”
“List of officers, directors, trustees, and key employees, column (b) "average hours per week devoted to position". For this question, the organization has reported the average hours per year devoted to position.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | MARK RICHMOND |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 4103136413 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 9801 BROKEN LAND PARKWAY |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | COLUMBIA |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 21046 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 93330 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 101727 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 8397 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 189893 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 93330 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 101727 |
| IRS990EZ/GrossReceiptsAmt | 0 | 198290 |
| IRS990EZ/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIVInd | 0 | X |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MembershipDuesAmt | 0 | 198290 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 93330 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 101727 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 93330 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 101727 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 5.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 5.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | KORDELL WILEN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | MARK RICHMOND |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | AMY STEVENS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | LEE EDGAR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | DONALD DORSEY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | LINDSEY SNYDER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | JASMINE WILDING |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | TREASURER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | DIRECTOR |
| IRS990EZ/OperateHospitalInd | 0 | false |
| IRS990EZ/Organization501cInd | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | TO PROMOTE CLEAN WATER IN MARYLAND BY (A) EFFICIENTLY SHARING KNOWLEDGE ON STORMWATER MANAGEMENT, AND (B) ESTABLISHING AND MAINTAINING GOOD WORKING RELATIONSHIPS WITH STATE AND FEDERAL OFFICIALS. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | THE ASSOCIATION MONITORED AND ACTIVELY PARTICIPATED IN THE REGULATORY PROCESS ON MATTERS AFFECTING THE STORMWATER MANAGEMENT INDUSTRY IN MARYLAND. DURING THE YEAR, IT EVALUATED MANY COMPLEX NEW STORMWATER POLICY DEVELOPMENTS AND SUBMITTED STORMWATER MANAGEMENT RECOMMENDATIONS TO VARIOUS MARYLAND MUNICIPALITIES. THESE RECOMMENDATIONS BENEFIT THE ASSOCIATION'S MEMBERS AND THE INDUSTRY AS A WHOLE. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | THE ASSOCIATION CONDUCTED A NUMBER OF EDUCATIONAL MEETINGS AND PROVIDED TRAINING TO UPDATE ATTENDEES ON REGULATIONS, LEGISLATION, COURT CASES, ENFORCEMENT ACTIONS, ETC., AFFECTING THE STORMWATER MANAGEMENT INDUSTRY IN MARYLAND. |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/ScheduleBNotRequiredInd | 0 | X |
| IRS990EZ/SubjectToProxyTaxInd | 0 | true |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 189893 |
| IRS990EZ/TotalRevenueAmt | 0 | 198290 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | WWW.MAMSA.NET |
| IRS990ScheduleC/AggregateReportedDuesNtcAmt | 0 | 153090 |
| IRS990ScheduleC/AgreeCarryoverPriorYearInd | 0 | false |
| IRS990ScheduleC/DuesAssessmentsAmt | 0 | 198290 |
| IRS990ScheduleC/NonDeductibleLbbyngPltclCYAmt | 0 | 12531 |
| IRS990ScheduleC/NonDeductibleLbbyngPltclTotAmt | 0 | 12531 |
| IRS990ScheduleC/OnlyInHouseLobbyingInd | 0 | false |
| IRS990ScheduleC/SubstantiallyAllDuesNondedInd | 0 | false |
| IRS990ScheduleC/TaxableAmt | 0 | -140559 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | TO PROMOTE CLEAN WATER IN MARYLAND BY (A) EFFICIENTLY SHARING KNOWLEDGE ON STORMWATER MANAGEMENT, AND (B) ESTABLISHING AND MAINTAINING GOOD WORKING RELATIONSHIPS WITH STATE AND FEDERAL OFFICIALS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ASSOCIATION MONITORED AND ACTIVELY PARTICIPATED IN THE REGULATORY PROCESS ON MATTERS AFFECTING THE STORMWATER MANAGEMENT INDUSTRY IN MARYLAND. DURING THE YEAR, IT EVALUATED MANY COMPLEX NEW STORMWATER POLICY DEVELOPMENTS AND SUBMITTED STORMWATER MANAGEMENT RECOMMENDATIONS TO VARIOUS MARYLAND MUNICIPALITIES. THESE RECOMMENDATIONS BENEFIT THE ASSOCIATION'S MEMBERS AND THE INDUSTRY AS A WHOLE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE ASSOCIATION CONDUCTED A NUMBER OF EDUCATIONAL MEETINGS AND PROVIDED TRAINING TO UPDATE ATTENDEES ON REGULATIONS, LEGISLATION, COURT CASES, ENFORCEMENT ACTIONS, ETC., AFFECTING THE STORMWATER MANAGEMENT INDUSTRY IN MARYLAND. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | LIST OF OFFICERS, DIRECTORS, TRUSTEES, AND KEY EMPLOYEES, COLUMN (B) "AVERAGE HOURS PER WEEK DEVOTED TO POSITION". FOR THIS QUESTION, THE ORGANIZATION HAS REPORTED THE AVERAGE HOURS PER YEAR DEVOTED TO POSITION. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART III |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART III, LINE 28 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART III, LINE 29 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990-EZ, PART IV |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | MARK RICHMOND |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 8047169021 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-10-27 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | MARYLAND MUNICIPAL STORMWATER |
| ReturnHeader/Filer/BusinessName/BusinessNameLine2Txt | 0 | ASSOCIATION INC |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | MARY |
| ReturnHeader/Filer/EIN | 0 | 743259210 |
| ReturnHeader/Filer/PhoneNum | 0 | 8047169021 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | C/O AQUALAW PLC 6 S 5TH STREET |
| ReturnHeader/Filer/USAddress/CityNm | 0 | RICHMOND |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | VA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 23219 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | true |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 208934673 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | CLARKSON DAVID CPA PC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 11541 NUCKOLS RD STE A |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | GLEN ALLEN |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | VA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 23059 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 8042700784 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-10-27 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | CHERI G DAVID CPA CVA |
| ReturnHeader/ReturnTs | 0 | 2025-10-29T15:22:39-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-06-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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