Is North Waltham, MA Tap Water Safe to Drink?
North Waltham, MA tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.
Where Does North Waltham Get Its Water?
Water in North Waltham, MA is provided by 1 public water system: WALTHAM WATER DEPARTMENT.
How Is North Waltham Tap Water Treated?
Treated water is disinfected using calcium hypochlorite and ozone.
What's in North Waltham Tap Water?
The following contaminants were detected most frequently in North Waltham public water systems. All detected levels fall at or below EPA health guidelines in this dataset.
| Contaminant | Peak detected | EPA guideline | ZIPs detected | Status |
|---|---|---|---|---|
| lithium | 9 µg/L | — | 0 ZIPs | Within guideline |
| PFTrDA | 0.007 µg/L | — | 0 ZIPs | Within guideline |
| 6:2 FTS | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| PFBA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
| HFPO-DA | 0.005 µg/L | — | 0 ZIPs | Within guideline |
Health Risk Profile for North Waltham
Current EPA monitoring data for North Waltham shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.
Best Filters for PFAS Water Profile
PFAS compounds are detected in this water supply. A reverse osmosis (RO) system or an activated-carbon filter specifically certified under NSF/ANSI P473 is required for reliable PFAS reduction. Standard pitcher and faucet filters without P473 certification do not remove PFAS.
8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
See recommendations matched to your exact address: choose your ZIP code below.
Frequently Asked Questions about North Waltham Tap Water
Is North Waltham tap water safe to drink?
North Waltham tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.
What contaminants are in North Waltham tap water?
The most commonly detected contaminants in North Waltham water systems include: lithium, PFTrDA, 6:2 FTS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.
Where does North Waltham get its drinking water?
North Waltham receives water from one public water system, including WALTHAM WATER DEPARTMENT.
Do I need a water filter in North Waltham?
Current data does not show guideline exceedances in North Waltham. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.
How often is North Waltham tap water tested?
Public water systems in North Waltham are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2023-12-06.
Tap water reports by ZIP in North Waltham
- 02455 - North Waltham tap water report Some concern
Water utilities serving North Waltham, MA
Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
- NEWTON WATER DEPT. (MWRA)Some concern