University of Maryland Extension

County Contacts

Find the information that corresponds with your county of residence. 

Allegany County
(301) 759-5040 for well water
(301) 759-5039 for septic systems
http://www.alleganyhealthdept.com/envhealth/Water.htm
http://www.alleganyhealthdept.com/envhealth/Septic.htm

Anne Arundel County
(410) 222-7398 for well water
(410) 222-7193 for septic systems
http://www.aahealth.org/programs/env-hlth/well-septic-systems

Baltimore County
(410) 887-2762
http://www.baltimorecountymd.gov/Agencies/environment/groundwatermgt/ind...

Calvert County
(410) 535 1600
http://www.co.cal.md.us/index.aspx?nid=132

Caroline County
(410) 479-0520
http://www.carolinemd.org/236/Utilities

Carroll County
(410) 876-1884
http://cchd.maryland.gov/environmental-health-private-sewerage/

Cecil County
(410) 996-5160
http://cecilcountyhealth.org/wp-content/uploads/dlm_uploads/2017/07/well...

Charles County
(301) 609-6792
http://www.charlescountymd.gov/pgm/planning/watershed/wastewater-and-sep...

Dorchester County
(410) 228-1167
http://www.dorchesterhealth.org/index.php?page=individual-water-supply for well water
http://www.dorchesterhealth.org/index.php?page=on-site-sewage-disposal for septic systems

Frederick County
(301) 600-1029
http://health.frederickcountymd.gov/375/Well-Septic

Garrett County
(301) 334-7760
http://garretthealth.org/wells/ for well water
http://garretthealth.org/sewage-disposal-systems/ for septic systems

Harford County
(410) 877-2330
http://harfordcountyhealth.com/harford-county-health-department-services... for well water
http://harfordcountyhealth.com/harford-county-health-department-services... for septic systems

Howard County
(410) 313-4900
https://www.howardcountymd.gov/Departments/Public-Works/Bureau-Of-Utilit...

Kent County
(410) 778-2142
http://kenthd.org/environmental-health/

Montgomery County
(240) 777-0311
https://www.montgomerycountymd.gov/water/supply/well-and-septic.html

Prince George's County
(301) 883-7681
https://www.princegeorgescountymd.gov/2133/Wells-Sewage-Disposal-Systems

Queen Anne’s County
(410) 758-2281
https://health.maryland.gov/qahealth/sitepages/environmental-health/envi...

Somerset County
(443) 523-1730
https://somersethealth.org/programs/environmental-health/bay-restoration...

St. Mary’s County
(301) 475-4321
http://www.smchd.org/water-monitoring-programs/ for well water
http://www.smchd.org/on-site-septic-system/ for septic systems

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