The Water Math
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Which water filter pitchers are certified for lead?

A pitcher box says "reduces lead". A certifier's listing says which model, which filter, how many gallons, and against which standard. We checked the listings, not the boxes, on 26–27 October 2026.

Evidence behind this site: 201 studies and official sources · 47 certification listings read · 26 documented incidents · last checked 30 October 2026 · corrections

Certified for lead — confirmed on the official listing

"Certified" here means a third-party certifier (IAPMO R&T, NSF or WQA) lists the exact pitcher or filter model under NSF/ANSI 53 with the word Lead next to it. We list model numbers as the certifier does. Buy the filter model on the listing, not the brand.

Read on the certifiers' own listings: IAPMO R&T on 27 Oct 2026, NSF and WQA on 26 Oct 2026. "Gallons" is the listed capacity before the filter must be replaced.
Pitcher · filterGallonsLeadPFASOther listed claimsCertifier · file
Culligan ZeroWater (sold as "Culligan with ZeroWater Technology") · pitchers ZEROP07, ZEROP08, ZEROP10, ZEROP12 · dispensers ZEROD22, ZEROD23, ZEROD32, ZEROD33, ZEROD40 · filter ZEROFXX1 (ZEROD52 dispenser: 40 gal)20YesTotal PFASCadmium, copper, fluoride, mercury, hexavalent chromium, nitrate/nitriteIAPMO R&T · W-17155 (NSF/ANSI 53-2024)
PUR PLUS pitchers PPT111W/B/M, PPT001, PPT120W, PPT600, PPT650, PPT700, PPT711, CR-1100C · dispensers DS-1800Z, DS1811, PDI4000Z, PDS1820W · filter PPF951K (the basic PPF900Z filter is not listed for lead)40YesTotal PFASBenzene, cadmium, carbon tetrachloride, copper, ethylbenzene, mercury, methoxychlor, simazine, tetrachloroethylene, toluene, xylenesIAPMO R&T · W-29904 (NSF/ANSI 53-2024); also WQA
Brita Elite (formerly LONGLAST+) filter OB06 in Brita pitchers and dispensers (Tidal, Pacifica, Amalfi, Capri, Classic, Denali, Everyday, Geyser and others). The Standard OB03, Brita+ OB08 and Refillable OB07 filters are not listed for lead.120YesNot listedMercury, asbestos, 2,4-D, atrazine, benzene, cadmium, carbon tetrachloride, endrin, ethylbenzene, p-dichlorobenzene, simazine, tetrachloroethylene (WQA)NSF (Tidal, Pacifica) · WQA · IAPMO R&T W-13905
LifeStraw Home Glass 7-Cup pitcher · activated carbon + ion exchange filter plus membrane microfilter40YesNot listedCadmium, copper, cyst, mercury, turbidityWQA (NSF/ANSI 53)

"Total PFAS" is the NSF/ANSI 53 claim tested at 20 ng/L; the EPA's 2024 legal limit for PFOA and PFOS is 4 ng/L each, so a certified pitcher is good but not a guarantee of "below the legal line". Makers also set time limits (Brita says six months for Elite); the listing gives gallons only.

What the filters cost per year

Corrected 30 October 2026: earlier versions assumed 0.6 gallons a day per person; the EPA Exposure Factors Handbook (ch. 3, table 3-1) puts the average for drinking and cooking at 869 mL, about 0.23 gallons, and the adult 95th percentile at about 0.78. Filter counts are gallons ÷ listed capacity (not rounded up), or the maker's time limit if that comes first (Brita: six months). Prices are Target's on the day stated; they move, so check before you buy.

Filters a year = gallons ÷ listed capacity. Price per filter from Target on 27 Oct 2026 unless stated.
FilterPrice per filter7 people · average · 587 gal7 people · heavy · 1,997 gal2 people · average · 168 gal
Brita Elite OB06 · 120 gal$17.50 (2-pack $34.99)4.9 filters · about $8616.6 filters · about $2912 filters (6-month limit) · about $35
PUR PLUS PPF951K · 40 galat most $14.99 (Target lists $14.99–$29.99 by pack size)14.7 filters · up to $22049.9 filters · up to $7484.2 filters · up to $63
LifeStraw Home filter · 40 galat most $16.99 (Target lists $16.99–$39.99 by pack size)14.7 filters · up to $24949.9 filters · up to $8484.2 filters · up to $71
Culligan ZeroWater ZEROFXX1 · 20 gal$14.50 (6-pack $86.99, 21 Oct 2026)29.3 filters · about $42599.8 filters · about $1,4478.4 filters · about $121

The pattern: ZeroWater's 20-gallon cartridge makes it the most expensive certified pitcher to run by a wide margin, in exchange for the longest certified list (lead, Total PFAS, fluoride, chromium, nitrate). Brita Elite is the cheapest to run but carries no PFAS claim. If your water report shows lead and nothing else, that matters.

An under-sink RO's running cost (about $178 a year at average use for 7 people) beats ZeroWater filters from about 250 gallons a year, but not Brita Elite at any volume we checked. The numbers are on Is reverse osmosis worth it?.

Popular pitchers that did not make the list

Watch for "NSF/ANSI 372" or "lead-free" on a box. It certifies that the pitcher's own parts contain almost no lead. It says nothing about removing lead from your water.

Check any pitcher yourself in two minutes

  1. Find the exact filter model number (OB06, PPF951K, ZEROFXX1…), not just the brand.
  2. Search it on the certifier named on the box: IAPMO R&T listings, WQA certified products or NSF listings.
  3. Look for NSF/ANSI 53 and the word Lead next to your filter, and note the gallons.
  4. No listing, or only "tested to" / "meets" wording? Then it is a claim, not a certification.

Do you even need one?

Your water utility publishes a free yearly water quality report. If it shows no lead and your home has no lead service line or old lead solder, buying nothing is a fine answer. Lead usually enters between the street and your tap, so an old house can have lead the report does not show; the EPA counts up to nine million lead service lines still in the ground. If lead is your documented problem, any of the four pitchers above does the job for what you drink — then the yearly filter bill, not the pitcher price, decides.

Do your own math →

Disclosure

No link on this site earns us anything: we use plain links to the retailer, no affiliate links. This page has no affiliate links. Whether a pitcher is on the list depends only on the certifier's listing.