EMSL Analytical, Inc. (Carle Place)
- Coliform Bacteria
- Lead
NY Environmental and Analytical Labs Inc is a commercial laboratory in Port Washington, NY (Nassau County). It is on the New York drinking water program's list of certified laboratories (certificate 11510), and we last checked the list on September 29, 2026.
The record does not say whether it takes samples from homeowners. Some certified labs only work with public water systems, so call before you collect a sample.
Before you go: Accredited by the NYS Department of Health Environmental Laboratory Approval Program (ELAP lab ID 11510) for potable water analyses: Microbiological, Inorganic chemistry, Metals. Accreditation scope current through 2027-03-31. Call first to confirm the lab accepts samples from private well owners and to ask about bottles and pricing.
This profile is built from the official state list of certified drinking water laboratories, checked on September 29, 2026. Well Water Insider does not rate or endorse labs. Run this lab? Claim the profile to add prices, turnaround times, hours and a description.
Listed on the official state certified laboratory list.
How this lab takes samples, based on its listing. Call to confirm hours, bottles and prices.
Published lab fees in New York: $32 for a bacteria test and $80 for nitrate. Westchester County lab fees ($32.10 bacteria, $80.25 nitrate, well packages $383.51 and $583.10). Prices at this lab may differ.
Bacteria samples need a sterile bottle from the lab. Chemistry samples usually take a clean container the lab supplies.
Skip softeners and filters. Remove the aerator, run the water 3 to 5 minutes, then fill without touching the inside of the cap.
Bacteria samples are time-sensitive. Use a cooler with ice packs and hand it in or ship it the same day.
Compare results with EPA drinking water limits. If anything is over, our problem pages explain what it means and how to treat it.
From the state certification list and the lab's own listing. Ask which ones it runs for homeowners.
Total coliform and E. coli. The test the CDC recommends every year for every private well. Learn more
Calcium and magnesium. You need this number to size a water softener. Learn more
The cause of orange and black stains. EPA guidelines are 0.3 and 0.05 mg/L. Learn more
Usually from plumbing and older well parts. EPA says there is no safe level. Learn more
88 Harbor Road, Port Washington, NY 11050
Lab address
Yes. It is on the New York list of laboratories certified for drinking water testing, last checked September 29, 2026.
Its listing covers coliform bacteria, hardness, iron and manganese and lead. Call to confirm prices and which tests it runs for private well owners.
The listing does not say. Some certified labs only test for public water systems, so call before collecting a sample.
Call (516) 944-9500 and visit the lab's website. The address is 88 Harbor Road, Port Washington, NY 11050.
Homeowner samples