At a glance
- What it is certified to test
- 4 of the 9 common well tests on the MD list (see which)
- Price
- not published on the state list: ask the lab for a quote
- Turnaround
- not stated on the state list or the lab’s website: ask when you order
- Homeowner samples
- not stated: ask the lab
Lab facts
- Listed by
- Maryland (Maryland Department of the Environment (MDE) - Water Supply Program, Laboratory Certification Program)
- Address
- 2101 Van Deman Street, Baltimore, MD 21224 · Open in Google Maps
- County
- Baltimore City
- Phone
- (410) 633-1800
- Public / homeowner samples
- Public samples: ask the labNot stated per lab. MDE's Be Well Wise page for private well owners says: "Have your water tested periodically by a state-certified laboratory that conducts a drinking water test." It names no lab, and MDE's list does not say which labs take samples from homeowners.
- Left blank on the list
- The Maryland list (version Latest Revisions: 10/1/2026) gives no website for this lab.
Certification record
- Certificate ID
- 109
- Issued by
- Maryland Department of the Environment (MDE) - Water Supply Program, Laboratory Certification Program (certification program)
- List version
- Maryland's Certified Drinking Water Laboratories (MDE Laboratory Certification Program), version Latest Revisions: 10/1/2026
- We fetched it
- 7 Nov 2026 (file SHA-256 9d19de9053bf…) · open the state file
Tests on the state list
| Contaminant | On this state list | Same lab, other state lists |
|---|---|---|
| Coliform / E. coli | Named on the official list | Florida, Virginia |
| Nitrate | Named on the official list | Florida, Virginia |
| Arsenic | Named on the official list | Florida, Virginia |
| Lead | Named on the official list | Florida, Virginia |
| PFAS | Not named on this list | |
| Uranium | Not named on this list | |
| Radon (water) | Not named on this list | |
| Manganese | Not named on this list | Florida, Virginia |
| VOCs | Not named on this list | |
| Other metals | Named on the official list | Florida, Virginia |
Groups as written on the state list (7)
- Microbiology Group 3 - HPC: Heterotrophic Plate Count
- Microbiology Group 4: Enzyme Substrate Determinations
- Microbiology Group 5: E.coli Enumeration
- Trace Metals Group 1: Lead, Copper
- Trace Metals Group 2: Antimony, Arsenic, Barium, Beryllium, Cadmium, Chromium, Mercury, Selenium, Thallium
- Inorganics Group 1: Nitrate-N
- Inorganics Group 2: Nitrite-N
- Named on the official list The state list names this analyte (or a column for it) for this lab.
- Group-level certification Certified for a parent group (e.g. 'Inorganics') that includes this analyte. Confirm the specific test with the lab.
- Partial group certification The list marks the group as 'Partial'. Confirm this analyte with the lab.
- Subcontracted The lab sends this analyte to another accredited lab (MDH 'X*').
MDE prints the approved tests as "Micro 3, 4, 5; Metals 1, 2; Inorganics 1, 2" (codes keyed to MDE's List of Approved Contaminants, Revised 10/10/2024). MDE prints no expiry date.
Also certified by other states
Same business (same street address and ZIP) on another state's official list. Each state certifies separately, so each listing keeps its own source.
- Virginia · VA lab 460285 / EPA MD00015 · Coliform / E. coli, Nitrate, Arsenic, Lead, Manganese, Other metals · Public samples: ask the labVirginia DCLS - Drinking Water Certified Labs (analyte detail) (Current as of 8/1/2026)
- Florida · FL DOH E871126 · Coliform / E. coli, Nitrate, Arsenic, Lead, Manganese, Other metals · Public samples: ask the labFlorida DOH - Laboratories Certified Under NELAP (DEP Qlik app): Analyte Search + Organization Name and Location Search, Matrix = Drinking Water, Certification Status = Accredited, Active labs (DOH Version: 11/07/2026 08:30:01 (Qlik app refresh 11/9/2026 4:26:47 AM; live database))
Before you send a sample
Call the lab to confirm it's currently certified for the exact test and method, that it accepts samples from homeowners, and how to collect and ship them. Bacteria samples have short holding times. Status can change between list updates. To check a status, contact the Maryland certification program.
Is this your lab?
Labs can ask for corrections through the agency that publishes their state list. Homeowner service, prices and turnaround above come only from the lab’s own website. To ask us to correct or remove this listing, write to us (how we handle listings).
Maryland's Certified Drinking Water Laboratories (MDE Laboratory Certification Program). Fetched 2026-11-07 (UTC). File SHA-256 9d19de9053bf…
Open the official source list