Red Tractor in a Hay field by Edwin Remsberg
Updated: April 15, 2024
By Craig W. Yohn

Agriculture Nutrient Management Program, Interim Program Director
Craig W. Yohn

UME Nutrient Management Advisors

Allegany County

Andrea Uphold
One Commerce Drive
Cumberland, MD 21502
301-724-3320
Fax: 301-722-4015
auphold@umd.edu

 

Anne Arundel County

Rashmi Sahu
97 Dairy Lane
Gambrills, MD 21054 
301-226-7479

rsahu@umd.edu

 

Baltimore County

Zoe Askew
1114 Shawan Rd., Suite 2
Cockeysville, MD 21030
410-887-8090
Fax: 410-785-5950

zaskew@umd.edu

Calvert County

Chris Dowell
30 Duke Street, Room 103
PO Box 486
Prince Frederick, MD 20678
410-535-3662; DC Area: 301-855-1150
Fax: 410-535-2438
csdowell@umd.edu

Caroline County

Craig Yohn
9194 Legion Road, Suite 4
Denton, MD 21629 
410-479-4030
443-239-5059
Fax: 410-479-4042

cyohn@umd.edu

Carroll County

Kamil Rosales 
700 Agricultural Center
Westminster, MD 21157
410-386-2760 or 1-888-326-9645
Fax: 410-876-0132
krosale1@umd.edu

Cecil County

Sam Covington
200 Chesapeake Blvd., Suite 1500
Elkton, MD 21921
410-996-5280
Fax: 410-996-5285

scoving2@umd.edu

Charles County

Francis Warring
9501 Crain Highway, Box 1
Bel Alton, MD 20611
301-934-5403; DC Area: 301-753-8195
Fax: 301-753-1857
fwarring@umd.edu

Dorchester County

Craig Yohn 
Interim Program Director,
Agriculture Nutrient Management Program
501 Court Lane, Room 208
PO Box 299
Cambridge, MD 21613-0299
410-228-8800
Fax: 410-228-3868

cyohn@umd.edu

Frederick County

Sabrina Summers
330 Montevue Lane
Frederick, MD 21702
301-600-1594
Fax: 301-600-1588

sabsum@umd.edu

Garrett County

Andrea Uphold
1916 Maryland Highway (Suite A)
Mt. Lake Park, MD 21550
301-334-6960
Fax: 301-334-6961

auphold@umd.edu

Harford County

Patricia Hoopes
3535 Conowingo Road
Street, MD 21154
410-638-3255
Fax: 410-638-3053
phoopes@umd.edu

Howard County

Krista Mitchell
8930 Stanford Blvd, Suite 25
Columbia, MD 21045
410-313-2709
Fax: 410-313-2712
kristaw@umd.edu

Kent County

Sam Covington
Kent County Public Works Complex 
709 Morgnec Rd., Suite 202
Chestertown, MD 21620
410-778-1661
Fax: 410-778-9075

scoving2@umd.edu

Montgomery County

Krista Mitchell
18410 Muncaster Road
Derwood, MD 20855
301-590-2840
Fax: 301-590-2828

moconm@umd.edu

Prince George's County

Chris Dowell
6707 Groveton Drive
Clinton, MD 20735
301-868-8783
Fax: 301-599-6714
csdowell@umd.edu

Queen Anne's County

Jeff Moore

505 Railroad Ave., Suite 4
Centreville, MD 21617
410-758-0166
Fax: 410-758-3687
jfmoore@umd.edu

Somerset County

Anne-Meredith Webster 
30730 Park Drive
Princess Anne, MD 21853
410-651-1351
Fax: 410-651-0806

amw99@umd.edu 

St. Mary's County

Gregory Simpson
26737 Radio Station Way, Suite E-2
PO Box 663
Leonardtown, MD 20650
301-475-4480
Fax: 301-475-4483
simpsong@umd.edu

Talbot County

Sam Harrison
28577 Mary's Court, Suite 1
Easton, MD 21601
410-822-1244
Fax: 410-822-5627

sharri13@umd.edu

Washington County

Jeff Semler
7303 Sharpsburg Pike
Boonsboro, MD 21713
301-791-1304
Fax: 301-791-1048
jsemler@umd.edu

Wicomico County

Craig Yohn
Interim Program Director,
Agriculture Nutrient Management Program
PO Box 1836
28647 Old Quantico Rd
Salisbury, MD 21801
410-749-6141
443-239-5059
Fax: 410-548-5126

cyohn@umd.edu
 

Worcester County

Anne-Meredith Webster
PO Box 219
305 Bank Street
Snow Hill, MD 21863
410-632-1972
Fax: 410-632-3023

amw99@umd.edu