privatewelldata / Certified labs – Wisconsin DNR certification

National Testing Laboratories, Inc.

National Testing Laboratories, Inc. is on the official list: Wisconsin DNR certification. Updated 2026-10-17.

Ypsilanti, Michigan

Call ahead: certification lists include some labs that only test for public water systems.

Certified by

Wisconsin DNR certification

Tests it is certified for

Nitrate / nitrite · Arsenic · Lead · Metals · Organic chemicals / pesticides

Official scope

Lab type: Commercial Lab. Certified parameters: ## HALOACETIC ACIDS (5), ## THM (group), ## VOCS, REGULATED (group), ## VOCS, UNREGULATED (group), 2,4-D, 3-Hydroxycarbofuran, Alachlor, Aldicarb, Aldicarb Sulfone, Aldicarb Sulfoxide, Aldrin, Alkalinity, Aluminum, Antimony, Arsenic, Atrazine, Barium, Benzo[a]pyrene, Beryllium, Bromate, Bromide, Butachlor, Cadmium, Calcium, Carbaryl, Carbofuran, Chlorate, Chlordane, Chloride, Chlorine Dioxide, Chlorine, Free, Chlorine, Total, Chlorite, Chromium, Conductivity, Copper, Dalapon, Di(2-ethylhexyl)adipate, Di(2-ethylhexyl)phthalate, Dibromochloropropane (DBCP), Dicamba, Dieldrin, Dinoseb, Diquat, Endothall, Endrin, Ethylene Dibromide (EDB), Fluoride, Glyphosate, Heptachlor, Heptachlor epoxide, Hexachlorobenzene, Hexachlorocyclopentadiene, Iron, Lead, Lindane (gamma-BHC), Magnesium, Manganese, Mercury, Methomyl, Methoxychlor, Metolachlor, Metribuzin, Nickel, Nitrate, Nitrate + Nitrite, Nitrite, Orthophosphate, Oxamyl (Vydate), PCBs (as Aroclors) Screening, Pentachlorophenol, Picloram, Propachlor, Selenium, Silica, Silver, Silvex (2.4.5-TP), Simazine, Sodium, Sulfate, TDS (Total Dissolved Solids), Thallium, Total Organic Carbon (TOC), Toxaphene, Zinc, pH

Contact

Ypsilanti, Unknown County, MI
(734) 483-8333

Source

Wisconsin DNR – Drinking water certified labs (NR 809/812)

Licence

Public record (Wisconsin DNR)

Record refreshed

2026-10-17

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