Calvert County, Maryland · septic · last verified 2026-09-07
00233
Action Wastewater Solutions
Action Wastewater Solutions, Inc.
File
- Street
- 8806 Donalds Way
- City / town
- Owings
- County
- Calvert
- State
- MD
- ZIP
- 20736
- Phone
- 410-610-7217
- Website
- —
- License number
- 00233
- Board
- Maryland Department of the Environment / MD State Board of On-Site Wastewater Professionals (OSDS Registered Individuals); Calvert County Health Department Division of Environmental Health (county septic installer license required — county installer/scavenger street roster not published online)
- Status
- Named with a Calvert County street on the MDE On-Site Wastewater Professionals / OSDS Registered Individuals list (List Updated September 2, 2026; pdfinfo CreationDate/ModDate Wed Sep 2 2026 UTC). Registration number printed on that roster. Calvert County also requires a county septic installer license (Chapter 110) and a separate scavenger / septage-hauler permit for pumping; neither county number series is printed on a fetchable public street roster this pass — county scavenger/installer lists are available upon request only. Seeded rows claim septic_install from the printed MDE registration; county scavenger (pumping) numbers are not invented.
- Expires
- 2026-12-31
- License contact
- Harry B. Wallach
- Last verified
- 2026-09-07
- COI on file
- no
Services claimed from opened sources
- septic install (septic_install)
Sources opened
- https://mde.maryland.gov/programs/water/BayRestorationFund/OnsiteDisposalSystems/Documents/Onsite%20Systems/OSDS-Registered-Individuals.pdf
- https://calverthealth.org/community/environmentalhealthservices/septic.htm
- https://calverthealth.org/community/environmentalhealthservices/PDF/glinosds.pdf
- https://calverthealth.org/community/environmentalhealthservices/PDF/prctstgu.pdf
- https://www.calvertcountymd.gov/DocumentCenter/View/16088
File notes
MDE OSDS list Updated 9/2/2026: registration 00233, Wallach Harry B, 8806 Donalds Way, Owings MD 20736, [email protected], 410-610-7217; company column prints Action Wasterwater Solutions, Inc. (roster spelling). Display name uses Wastewater. Same company/phone also on roster for Granger Hunter (01780) at this street and Marcellas/Shrawder at North Beach 7th St. Expires 12/31/2026. Census: Calvert County ZIP 20736.