Allendale
NJ

Is Allendale, NJ Tap Water Safe to Drink?

Allendale tap water meets federal Safe Drinking Water Act standards but 1 of 1 ZIP code show detections above EPA health guidelines, primarily for lithium. A certified filter is recommended for households that want an additional layer of protection.

2Water systems
1ZIP codes
100%ZIPs above EPA guideline
Metro areaNew York-Newark-Jersey City, NY-NJ
Latest data2025-01-13

Where Does Allendale Get Its Water?

Water in Allendale, NJ is provided by 2 public water systems: ALLENDALE WATER DEPT and RAMSEY WATER DEPT.

How Is Allendale Tap Water Treated?

Treated water is disinfected using calcium hypochlorite and free chlorine. Treatment includes air stripping, conventional treatment (coagulation, flocculation, and filtration), direct filtration, granular activated carbon filtration and ion exchange.

What's in Allendale Tap Water?

The following contaminants were detected most frequently in Allendale public water systems. 1 of 1 ZIP codes showed detections above EPA health guidelines.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 11.4 µg/L 10 µg/L 1 ZIP Above guideline
PFOA 0.013 µg/L 1 ZIP Within guideline
PFTrDA 0.007 µg/L 0 ZIPs Within guideline
PFPeA 0.0052 µg/L 1 ZIP Within guideline
PFHxA 0.0052 µg/L 1 ZIP Within guideline

Health Risk Profile for Allendale

Based on EPA monitoring data, 1 of 1 ZIP codes in Allendale have recorded detections above EPA health guidelines. Sensitive populations such as infants, pregnant individuals, and those with weakened immune systems may benefit from an additional layer of protection such as a certified point-of-use filter.

Best Broad-Spectrum Filters for This Water Profile

This city profile includes PFAS detections, chlorine disinfection, and other dissolved contaminants. Reverse osmosis (RO) systems certified under NSF/ANSI 58 provide broad reduction coverage; for PFAS specifically, confirm NSF/ANSI P473 or equivalent PFAS reduction certification.

Under-sink RO system

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Allendale Tap Water

Is Allendale tap water safe to drink?

Allendale tap water meets Safe Drinking Water Act requirements but 1 of 1 ZIP codes show contaminant levels above EPA health-based guidelines. A certified point-of-use filter adds an extra layer of protection.

What contaminants are in Allendale tap water?

The most commonly detected contaminants in Allendale water systems include: lithium, PFOA, PFTrDA. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Allendale get its drinking water?

Allendale receives water from 2 public water systems, including ALLENDALE WATER DEPT.

Do I need a water filter in Allendale?

If your ZIP code is among those with detections above EPA health guidelines, choose a filter certified for the specific contaminants shown in your ZIP report. Reverse osmosis is generally the broadest option for PFAS, lithium, and many other dissolved contaminants.

How often is Allendale tap water tested?

Public water systems in Allendale 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 2025-01-13.

Tap water reports by ZIP in Allendale

Water utilities serving Allendale, NJ

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline.