LESSON Lead Safe University · Free

Easy Wins · 16 · School

Run the school water fountain for five seconds before they drink. Tell them it’s good luck.

School water fountains in pre-1986 buildings run through old copper plumbing soldered with lead. Stagnant overnight water picks up lead. The first draw of the morning, and the first draw after long breaks, is the worst. Teach your kid to run the fountain for 4–5 seconds before filling their bottle. Frame it as good luck before a test. Kids will actually do it.

Pre-1986 schools: ~40%
Stagnant Pb uplift: 3–10×
Flush time: 4–5 sec
Why kids do it: “good luck”

Sources: NCES public school facility age data; EPA 3Ts (Training, Testing, Telling) for schools; CDC school drinking water guidance.

You can’t control the school plumbing. You can control four things.

One. Teach the fountain flush: run it 4–5 seconds before drinking. Frame it as good luck before a test. Kids 5–12 do it instantly when it’s a ritual instead of a chore.

Two. Send a water bottle from home, refilled with NSF/ANSI 53–filtered water. The simplest single move on this page.

Three. Skip art-room clay if it’s imported or unbranded. Crayola is fine. Bulk “classroom clay” from import suppliers is where lead has shown up in recalls.

Four. Ask about classroom paint if the building was built before 1978 and the windows haven’t been redone, that’s where friction surfaces release lead dust.

The risk map

Where lead actually shows up at school.

Schools are six different environments stitched together, classroom, water fountain, art room, cafeteria, playground, gym. The lead risk profile is wildly different room to room. Here’s the ranked list, with one fix per zone.

Zone	Risk	Why	The one fix
Water fountain (pre-1986 building)	High	Lead solder on copper joints. Stagnant overnight water leaches Pb. First draw of the day is worst.	4–5 second flush before every drink, or bottle from home.
Art room clay & imported supplies	High	Imported air-dry clays and bulk “classroom clay” have failed CPSC testing. Cheap import crayons (not Crayola) repeatedly recalled for lead pigment.	Ask the teacher: “Where is the clay sourced?”
Old drinking water cooler (lead-lined tank model)	Medium	Pre-1988 coolers had lead-lined tanks. Banned by the Lead Contamination Control Act of 1988. A handful are still in service in older buildings.	Look at the unit. If pre-1988, ask the principal to flag it.
Classroom paint (pre-1978 building, friction surfaces)	Medium	Lead-based paint banned 1978. Pre-1978 building + window sills, door jambs, hinges = friction = lead dust.	If pre-1978 building, ask whether windows have been replaced or encapsulated.
Cafeteria trays & serving ware (imported ceramic)	Medium	Most US schools use molded plastic trays (clean). A subset use imported ceramic plates, same risk profile as imported home dishes.	Check what’s being served on. Plastic = fine.
Playground soil (near highway / old industrial)	Medium	Pre-1996 leaded gasoline deposited Pb in topsoil within ~30m of major roads. Old industrial sites can have orders of magnitude higher contamination.	Hand-wash after recess. Always.
Gym & locker rooms	Low	Generally newer construction. Painted block walls, vinyl floors, no friction surfaces.	Nothing to do.
Library / computer lab	Low	No water, no paint dust, no clay, no soil contact. Books and laptops are not the issue.	Nothing to do.

Source detail: EPA 3Ts toolkit; CDC school lead guidance; NCES public school facility surveys; CPSC art-supply recalls database.

Why “flush before you drink” works on kids.

You can’t tell a 7-year-old “run the fountain for five seconds because of pre-1986 lead-soldered copper plumbing.” You can tell them “Dad says it’s good luck before a test.” They will do that one. They will tell their friends. Within a week the whole class is doing it. The five-second flush detects nothing fancy, it just dumps the worst slug of stagnant overnight water down the drain. Same trick adults use at home in the morning before making coffee.

If your kid is 10+, you can be honest: “Old buildings have old pipes, the first water out has more metal in it, you wait for the cold fresh water.” They get it. They’ll do it. The trick is making it a small ritual, not a fear-based instruction.

The three easy wins

What to actually do this week.

Send a water bottle from home. Refilled with NSF/ANSI 53–filtered water.

This is the simplest single move on the page. A $20 stainless bottle plus a $30 NSF-53 pitcher at home solves the school water question entirely. No more fountain at all. No flush ritual to remember. No reliance on whether the school’s last lead test was 2019 or 2024.

Look for the certification mark NSF/ANSI 53, Lead reduction on the box. NSF 42 alone is not enough, that’s taste and chlorine, not lead. Brita “Elite” / Longlast+, ZeroWater, PUR Plus pitcher all carry NSF 53. The cheapo $15 pitchers usually don’t.

Fountain flush for 4–5 seconds. Frame: “Dad says it’s good luck before a test.”

Kids 5–12 will adopt this immediately if it’s a ritual. Stagnant overnight water in pre-1986 plumbing can run 3–10× higher in lead than fresh-flowing water. Five seconds at full open dumps the worst slug down the drain. After long weekends and breaks, a longer flush (15–30 seconds) is better, but most days, five is enough.

Older kids: tell them the truth. “Old buildings have old pipes. The first water out has more metal in it. You wait for the cold, fresh stuff.” That’s the whole explanation. They’ll do it.

Tour of the art room at parent-teacher night. Ask: “Where is the clay sourced? Crayola or bulk?”

You are not crazy for asking. Imported and bulk “classroom clay” has repeatedly failed lead testing, multiple CPSC recalls of imported air-dry clays in the last decade. Crayola crayons and Crayola modeling clay test clean (US-manufactured, AP-certified). The risk is in the bulk-import end of the supply chain.

Same logic for crayons, paint, glaze, and (especially) ceramic glazes used in older kilns. If the school art program uses Crayola, AMACO Velvet, and Crayola Model Magic, you’re fine. If it uses bulk unbranded import clay or pre-1990 ceramic glazes, that’s a real conversation worth having with the art teacher, not as an accusation, just as a parent asking a reasonable question.

What about asking the school for water test results?

Yes, you can ask. Here’s how.

Under the EPA’s voluntary 3Ts program (Training, Testing, Telling), schools are encouraged to test all drinking water outlets and publish results. Many states, New York, New Jersey, Illinois, California, Washington, others, mandate it. Federal law does not. So results vary by district.

What to ask the principal or facilities coordinator, in plain language:

The four-question script you can use at the next school board meeting

1. “When was the last time the school’s drinking water outlets were tested for lead?”

2. “Are the results published anywhere parents can see them?”

3. “Did any outlet test above the EPA action level of 15 ppb?” (or 10 ppb if your state is stricter, e.g. NY).

4. “If a fountain or sink tested high, was it taken offline, replaced, or just signed?”

None of these questions are confrontational. Most facilities directors are happy to share. If they can’t answer, that itself is information.

The dose math, briefly

Why this is medium-priority, not five-alarm.

EPA action level for school drinking water is 15 ppb. A child drinking 500 mL of water at 15 ppb gets 7.5 µg of lead, about 3× a child’s daily reference level (FDA IRL is 2.2 µg/day). At 50 ppb (the level that has triggered shutdowns at some Newark and Flint schools), a single 500 mL bottle hits 25 µg. That’s the upper end of the school-water concern.

Most school fountains test <5 ppb after flushing. Many test essentially nondetect at any time of day. The first-draw stagnant water in older buildings is the real spike. Hence the flush.

Bottle from home with NSF/ANSI 53–filtered water is sub-ppb. Done.

Next easy win

More in this series.

Easy Wins is the 80/20 of household lead safety, what to do in 15 minutes that moves the needle more than 15 hours of reading guides. We rank the source, the fix, and the actual dose math, in that order.

→ Full Easy Wins index

Pull the lever.

One try per day per article. 1 in 1,000 spins wins a free Full Fluoro-Spec Kit ($75 value, ships free in the US). Otherwise, take a discount and keep reading.