Maryland Biological Stream Survey

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Registry of Certifications


The applicants listed below attended MBSS spring training, passed the written Benthic Macroinvertebrate Sampling Certification test, and successfully completed a field audit. *This certification normally lasts for three years. However, due to the COVID-19 pandemic, certifications from 2019 were extended for an additional two years and will now expire on December 31, 2023.​​


Applicants Certified in MBSS Benthic Macroinvertebrate Sampling
​​​​(Certification valid for three years, including the year certified.)

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First NameLast NameEmail AddressAffiliationYear Certified
CaseyAlbert[email protected]RES2023
LindsayAlbright[email protected]Straughan Environmental2023
MeganAnders[email protected]KCI Technologies, Inc.2023
ChadBarbour[email protected]Tetra Tech Inc.2023
MattBixler[email protected]ARM Group LLC2023
CarissaByers[email protected]Century Engineering, LLC, A Kleinfelder Company2023
JasonClingerman[email protected]AllStar Ecology, LLC2023
JimCrumrine[email protected]Environmental Systems Analysis, Inc.2023
AlexDyson[email protected]Anne Arundel County2023
WilliamGreen[email protected]Montgomery County DEP2023
DouglasGriffith[email protected]Anne Arundel County2023
AmyHennessey[email protected]Environmental Systems Analysis, Inc.2023
NancyHofmann[email protected]KCI Technologies, Inc.2023
BrentHood[email protected]Versar2023
DaveJordahl[email protected]Montgomery County DEP2023
KenMack[email protected]Montgomery County DEP2023
IshaMcKnight[email protected]Straughan Environmental2023
EricNaibert[email protected]Montgomery County DEP2023
AaronNemeyer[email protected]AllStar Ecology, LLC2023
RobOwen[email protected]KCI Technologies, Inc.2023
LeahPurdy[email protected]RES2023
SarahRoberts[email protected]Biohabitats2023
AlexiSanchez de Boado[email protected]Clean Streams LLC2023
RobertTrumbule[email protected]Robert Trumbule Horticultural and Entomological Consulting/Trout Unlimited2023
AustinVong[email protected]Biohabitats2023
AndyBecker[email protected]KCI Technologies, Inc.2024
LydiaLandau[email protected]CBM Consulting2024
DanLekites[email protected]Wetland Studies and Solutions, Inc.2024
TylerLingenfelder[email protected]Dewberry2024
AubinMaynard[email protected]Metropolitan Washington Council of Governments2024
MaggieMcLane[email protected]M-NCPPC, Montgomery Parks2024
Evan​Rodway[email protected]​Straughan Environmental2024
WillSaffell[email protected]Environmental Systems Analysis, Inc.2024
BarbaraSikorski[email protected]Maryland Department of Environment2024
SeanSipple[email protected]Coastal Resources, Inc.2024
SuriSolis[email protected]Wildlands Engineering, Inc.2024
​GarrettTucker[email protected]Carroll County Government2024
ElizabethTyler[email protected]Metropolitan Washington Council of Governments2024
​​GregoryZuknick[email protected]EA Engineering, Science, & Tech, Inc., PBC2024
GeorgeCarney[email protected]RK&K2025
KarlHellmann[email protected]RK&K2025
MorganKaumeyer[email protected]Baltimore County DEPS2025
JoeGirgente[email protected]Coastal Resources, Inc.2025
MattHedin[email protected]Coastal Resources, Inc.2025
KaraMathews[email protected]Coastal Resources, Inc.2025
JeffGring[email protected]Coastal Resources, Inc.2025
VirginiaWaters[email protected]Wetland Studies and Solutions, Inc.2025
JacobRobinson[email protected]KCI Technologies2025
AdamTatone[email protected]McCormick Taylor, Inc.2025
MarkVoli[email protected]Dewberry2025
AndrewKirschnick[email protected]AMT Engineering2025
FernandoGuillen[email protected]Stantec2025
CarolineBowman[email protected]RES2025
JaredBennett[email protected]Resource Environmental Solutions2025
JeffreyGleason[email protected]ARM Group2025
CamilleCalure[email protected]Underwood & Associates2025
KeithBinsted[email protected]Underwood & Associates2025
MarthaMcCauley[email protected]EA Engineering, Science, and Technology, Inc., PBC2025
GwendolynZeckowski[email protected]Clean Streams LLC2025
PatrickSpehnkouch[email protected]Tetra Tech2025
HannahZinnert[email protected]Montgomery County DEP2025
HaleyKelly[email protected]Wetland Studies and Solutions, Inc.2025
DaveSigrist[email protected]M-NCPPC, Montgomery Parks2025
BrianCarlson[email protected]Water and Land Solutions2025
DennisGenito [email protected]​Baltimore County DEPS2025