Paramus Tap Water and Fluoride: What Parents Should Know

The assumption most parents make — and why it's often wrong here

Parents raised in other states often assume tap water everywhere carries cavity-fighting fluoride. In New Jersey, assume nothing: the state consistently ranks among the least-fluoridated in the nation, with only a small fraction of residents on community water systems that adjust fluoride to the protective level. Bergen County homes draw from several different water systems depending on the street, so your neighbor two towns over may have a different answer than you. The one reliable move is to check your water — and it's genuinely a two-minute job.

How to check your own tap in two minutes

1. Find your water supplier — it's on your water bill, or your landlord knows.
2. Look up the Consumer Confidence Report (CCR). Every supplier publishes this annual water-quality report online; search the supplier's name plus "water quality report" and find the fluoride line. Around 0.7 milligrams per liter is the level set for cavity prevention; a small trace like 0.1 to 0.3 is naturally occurring, not protective.
3. Or use the CDC's "My Water's Fluoride" lookup, which lists participating systems by state and county.
4. On a private well? Municipal reports don't apply — a simple well-water test tells you your natural fluoride level, which matters in both directions.

Bring the number to your child's next visit. It's one of the most useful facts you can hand us.

What the answer changes

If your water is fluoridated: your child gets a steady, low-level assist all day. Keep the standard routine — fluoride toothpaste in age-appropriate amounts (rice-grain smear under three, pea from three), regular checkups — and skip supplements; more is not better.

If it isn't (the common NJ answer): the daily systemic assist is missing, so the rest of the toolkit matters more. Fluoride toothpaste becomes non-negotiable, professional fluoride varnish at checkups earns its keep, and for some children — based on age, cavity risk, and confirmed water levels — a prescription fluoride supplement is appropriate. That's a decision we make together with real numbers, never by default, because dosing depends on what your child actually drinks.

One more wrinkle: bottled water is usually fluoride-free, and reverse-osmosis filters remove fluoride while standard pitcher filters generally don't. A family that's "on city water" but drinks exclusively bottled has effectively opted out without meaning to.

When to ask us

Bring your water answer — or your confusion — to any visit; calibrating fluoride to your household is exactly what a pediatric dental home is for. Ask sooner if your child has had cavities already, drinks mostly bottled or RO-filtered water, or you're weighing a supplement you read about online.

Questions parents often ask

Can't I just give a fluoride supplement to be safe?

No — supplements are dosed to your child's age and your verified water fluoride level. Guessing risks fluorosis (cosmetic white flecking) at one end and no protection at the other. Check first, then dose.

Is fluoridated water safe?

At the adjusted level used in community water, decades of evidence and every major health organization say yes — it's one of public health's most-studied measures. Our fluoride-safety article covers it in depth.

We use a fridge filter. Does it remove fluoride?

Standard carbon filters (pitchers, fridge lines) leave fluoride in place. Reverse-osmosis and distillation remove it. Check your filter type — it decides which plan you're on.

Sources

• Centers for Disease Control and Prevention, My Water's Fluoride and community water fluoridation data
• New Jersey Department of Health, oral health and fluoridation information
• American Academy of Pediatric Dentistry, fluoride therapy and supplement guidance

Found your number — or can't find it anywhere? Bring the bill to the next visit or call (201) 345-3637; we'll decode it and set your child's fluoride plan accordingly.