Enthalpy Analytical, LLC

At a glance

What it is certified to test

6 of the 9 common well tests on the PA list (see which)

Price

no per-test price printed on the lab’s website when we read it (15 Nov 2026): ask 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

Pennsylvania (Pennsylvania DEP - Laboratory Accreditation Program)

Address

1941 Reymet Road, Richmond, VA 23237 · Open in Google Maps

Phone

(804) 358-8295

Website

www.onterris.com

Not on the state list: found and checked by us, 15 Nov 2026

Public / homeowner samples

Public samples: ask the lab

PA DEP accreditation report has no homeowner-sample flag

Location note

Lab is in VA, certified by Pennsylvania (often used as a mail-in lab).

Certification record

Certificate ID

PA DEP 68-03503

Issued by

Pennsylvania DEP - Laboratory Accreditation Program (certification program)

List version

PA DEP Accredited Labs Report - Drinking Water (chemistry + microbiology), version STALE - report dated 6/11/2024

We fetched it

29 Oct 2026 (file SHA-256 415f95aac8bd…) · open the state file

Tests on the state list

• 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*').

STALE LIST: PA DEP bulk Accredited Labs Report(s) dated 6/11/2024. The live PA DEP lab search was unreachable on 2026-10-29 (HTTP 500 / TLS error). Confirm current accreditation with PA DEP or the lab.

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 460021 / EPA VA00913 · Coliform / E. coli, Nitrate, Arsenic, Lead, Uranium, Manganese, VOCs, Other metals · Public samples: ask the lab
  Virginia DCLS - Drinking Water Certified Labs (analyte detail) (Current as of 8/1/2026)
• Florida · FL DOH E871222 · Coliform / E. coli, Nitrate, Arsenic, Lead, Uranium, Manganese, VOCs, Other metals · Public samples: ask the lab
  Florida 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))
• Maryland · 341 · Coliform / E. coli, Nitrate, Arsenic, Lead, VOCs, Other metals · Public samples: ask the lab
  Maryland's Certified Drinking Water Laboratories (MDE Laboratory Certification Program) (Latest Revisions: 10/1/2026)
• North Carolina · 51714 · Coliform / E. coli, Nitrate, Arsenic, Lead, Uranium, Manganese, VOCs, Other metals · Public samples: ask the lab
  NC SLPH Environmental Sciences - Certified Drinking Water Laboratories (Commercial) (generated on request (no date printed), fetched 2026-11-07)
• South Carolina · 93016001 · Lead · Public samples: ask the lab
  SCDES Commercial Environmental Laboratory Mapping (CELMAPP) - certified commercial laboratories, Safe Drinking Water (no date printed; CELMAPP data last refreshed 2026-10-10 (LastRefreshDate of SCDES's details table))

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 Pennsylvania 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).