Maryland Department of NATURAL RESOURCES

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
CaseyAlbertCALBERT@res.usRES2023
LindsayAlbrightlalbright@straughanenvironmental.comStraughan Environmental2023
MeganAndersmegan.anders@kci.comKCI Technologies, Inc.2023
ChadBarbourchad.barbour@tetratech.comTetra Tech Inc.2023
MattBixlermbixler@armgroup.netARM Group LLC2023
CarissaByerscreh@kleinfelder.comCentury Engineering, LLC, A Kleinfelder Company2023
JasonClingermanjason@allstarecology.comAllStar Ecology, LLC2023
JimCrumrinejcrumrine@esatoday.comEnvironmental Systems Analysis, Inc.2023
AlexDysonpwdyso23@aacounty.orgAnne Arundel County2023
WilliamGreenwilliam.green@montgomerycountymd.govMontgomery County DEP2023
DouglasGriffithpwgrif04@aacounty.orgAnne Arundel County2023
AmyHennesseyahennessey@esatoday.comEnvironmental Systems Analysis, Inc.2023
NancyHofmannNancy.Hofmann@kci.comKCI Technologies, Inc.2023
BrentHoodbhood@versar.comVersar2023
DaveJordahldave.jordahl@montgomerycountymd.govMontgomery County DEP2023
KenMackKenny.Mack@montgomerycountymd.govMontgomery County DEP2023
IshaMcKnightimcknight@straughanenvironmental.comStraughan Environmental2023
EricNaiberteric.naibert@montgomerycountymd.govMontgomery County DEP2023
AaronNemeyeraaron@allstarecology.comAllStar Ecology, LLC2023
RobOwenrobert.owen@kci.comKCI Technologies, Inc.2023
LeahPurdylpurdy@res.usRES2023
SarahRobertssroberts@biohabitats.comBiohabitats2023
AlexiSanchez de Boadoaboado@clean-streams.comClean Streams LLC2023
RobertTrumbulertrumbule@verizon.netRobert Trumbule Horticultural and Entomological Consulting/Trout Unlimited2023
AustinVongavong@biohabitats.comBiohabitats2023
AndyBeckerandy.becker@kci.comKCI Technologies, Inc.2024
LydiaLandaullandau@cbm-consulting.comCBM Consulting2024
DanLekitesdlekites@wetlands.comWetland Studies and Solutions, Inc.2024
TylerLingenfelder​tlingenfelder@dewberry.comDewberry2024
AubinMaynardamaynard@mwcog.orgMetropolitan Washington Council of Governments2024
MaggieMcLane​magdelyn.mclane@montgomeryparks.orgM-NCPPC, Montgomery Parks2024
Evan​Rodwayerodway@straughanenvironmental.com​Straughan Environmental2024
WillSaffellwsaffell@esatoday.comEnvironmental Systems Analysis, Inc.2024
BarbaraSikorskibarbara.sikorski@maryland.govMaryland Department of Environment2024
SeanSippleseans@cri.bizCoastal Resources, Inc.2024
SuriSolisssolis@wildlandseng.comWildlands Engineering, Inc.2024
​GarrettTuckergtucker@carrollcountymd.govCarroll County Government2024
ElizabethTyleretyler@mwcog.orgMetropolitan Washington Council of Governments2024
​​GregoryZuknickgzuknick@eaest.comEA Engineering, Science, & Tech, Inc., PBC2024
GeorgeCarneygcarney@rkk.comRK&K2025
KarlHellmannkhellmann@rkk.comRK&K2025
MorganKaumeyermkaumeyer@baltimorecountymd.govBaltimore County DEPS2025
JoeGirgentejoeg@cri.bizCoastal Resources, Inc.2025
MattHedinmatth@cri.bizCoastal Resources, Inc.2025
KaraMathewskaram@cri.bizCoastal Resources, Inc.2025
JeffGringjeffg@cri.bizCoastal Resources, Inc.2025
VirginiaWatersvwaters@wetlands.comWetland Studies and Solutions, Inc.2025
JacobRobinsonjacob.robinson@kci.comKCI Technologies2025
AdamTatoneadtatone@mccormicktaylor.comMcCormick Taylor, Inc.2025
MarkVolimvoli@dewberry.comDewberry2025
AndrewKirschnickakirschnick@amtengineering.comAMT Engineering2025
FernandoGuillenFernando.guillen@stantec.comStantec2025
CarolineBowmancbowman@res.usRES2025
JaredBennettjabennett@res.usResource Environmental Solutions2025
JeffreyGleasonjgleason@armgroup.netARM Group2025
CamilleCalurecamille@ecosystemrestoration.comUnderwood & Associates2025
KeithBinstedkeith.binsted@ecosystemrestoration.comUnderwood & Associates2025
MarthaMcCauleymmccauley@eaest.comEA Engineering, Science, and Technology, Inc., PBC2025
GwendolynZeckowskigwendolyn.zeckowski@gmail.comClean Streams LLC2025
PatrickSpehnkouchpatrick.spehnkouch@tetratech.comTetra Tech2025
HannahZinnerthannah.zinnert@montgomerycountymd.govMontgomery County DEP2025
HaleyKellyhkelly@wetlands.comWetland Studies and Solutions, Inc.2025
DaveSigristdave.sigrist@montgomeryparks.orgM-NCPPC, Montgomery Parks2025
BrianCarlsonbrian@waterlandsolutions.comWater and Land Solutions2025
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