Lead in water — sampled at the tap, lab-confirmed.
Lead in drinking water rarely shows up in source-water testing — it leaches from the plumbing between the main and the tap. The right test is at the fixture, in the morning, before anyone runs the water. Envirex samples and reports against the standards that apply to your building type.
What's in scope.
Below is the standard scope for an Envirex lead in water testing engagement. We size the project to the building — line-item, fixed-fee — and write the quote against this catalog.
Pre-sampling intake.Confirm building type, plumbing material history, prior sampling, and applicable standard (NYS schools, EPA Lead and Copper, NYC LL 64 / 71 for residential buildings, owner-elected).
First-draw sampling.Samples taken after a minimum 6-hour stagnation, before any water has run that morning. Captures the lead that has leached overnight from any lead-bearing plumbing components.
Flushed sampling (where required).Follow-up sample after a defined flush period — used to differentiate fixture-level lead from premise-plumbing or service-line lead.
Fixture-by-fixture coverage.Drinking fountains, classroom sinks, kitchen sinks, food-prep areas, refrigerated water dispensers — every outlet used for drinking or cooking.
AIHA-LAP / ELAP lab analysis.Samples sent to AIHA-LAP and NYS ELAP accredited laboratories. Results reported in parts per billion (µg/L) against applicable action levels.
Regulatory framework.
Every Envirex engagement is run against the regulator who will ultimately read the report. Here are the rules that shape lead in water testing work in New York.
NYS schools (Subpart 67-4).Public schools test all outlets used for drinking or cooking; action level 5 ppb. Outlets above threshold are removed from service and remediated.
EPA Lead and Copper Rule.Federal drinking-water standard; current action level 15 ppb at the 90th percentile, with revisions reducing this in current rulemaking.
NYC LL 64 of 2019 / LL 71 of 2021.NYC residential lead-in-water disclosure and sampling provisions.
EPA Voluntary 3Ts.Training, testing, taking action — EPA's voluntary framework for schools and child-care facilities.
Best suited for.
Public and independent schools, child-care facilities, co-op and condo boards, commercial owners conducting diligence, owners post-lead-service-line replacement.
What you receive.
Written sampling report with per-fixture results, pass/fail against applicable threshold, lab data attached, and (where helpful) a recommended action plan.
Lead in Water Testing FAQ.
Quick answers for owners, agents and counsel scoping this work.
Do I need to test if my building has copper plumbing?
How many samples do I need?
What if a fixture fails?
From our library.
A few short pieces from the Envirex library that go deeper on this topic.
Lead in school facilities: what NY school districts owe parents
New York's school lead obligations span drinking water, paint and renovation.
Read article Lead TestingNYS Lead Rental Registry: what owners in targeted ZIPs need to know
New York State's targeted lead rental registry now reaches dozens of ZIP codes outside NYC.
Read articleReady to schedule an inspection or quote a project?
Tell us about your property and what you need. We'll return a clear, written quote — no obligation, no pressure.