What contaminants are in Montclair's water?

Montclair's water utility tests for 30 different contaminants. All tested contaminants are within EPA MCLGs. You can view detailed information about each contaminant, including test results, health effects, and comparisons to EPA MCLGs in the sections above.

Do I need a water filter in Montclair?

While Montclair's water meets all EPA MCLGs, many residents still choose to use water filters to improve taste, remove chlorine, or provide extra peace of mind. If you're sensitive to taste or odor, a simple pitcher filter or faucet-mount filter can make a noticeable difference.

Does Montclair have any water quality violations?

MONTE VISTA CWD currently has no reported Maximum Contaminant Level (MCL) violations, meaning the water meets all federal legal limits. However, health-based guidelines are often more protective than legal limits, which is why we compare test results to EPA MCLG Levels on this page.

Is Montclair's water hard or soft?

Montclair's water has 166 PPM average hardness. Soft water is generally easier on plumbing and appliances, and requires less soap for cleaning.

Can you drink tap water in Montclair?

Yes, you can drink tap water in Montclair. The water meets all EPA health-based guidelines and is considered safe for consumption.

How often is Montclair's water tested?

MONTE VISTA CWD is required by federal law to test water quality regularly. The frequency depends on the contaminant - some are tested daily (like bacteria), while others are tested monthly, quarterly, or annually. The test results shown on this page are from the most recent testing period reported to the EPA.

Where does Montclair's tap water come from?

Montclair's drinking water comes from surface water purchased. Surface water sources include rivers, lakes, and reservoirs, which require more extensive treatment to remove sediments and potential contaminants. The utility treats this water using conventional, disinfection, filtration before distribution.

What is the overall water quality in Montclair?

Montclair has excellent water quality with all 30+ tested contaminants within EPA health guidelines (MCLGs). The water meets all federal safety standards and is considered safe for consumption. MONTE VISTA CWD serves 56,839 people with consistently high-quality water.

What are the most common contaminants detected in Montclair water?

The most commonly detected contaminants in Montclair water include: Hardness (Total), Odor, Nitrate (as NO3). All detected contaminants are within EPA health-based guidelines. These contaminants are regularly monitored by MONTE VISTA CWD and reported to the EPA. View the detailed contaminant section above for specific levels and health information.

Montclair Tap Water Quality Report

Montclair's water quality meets all EPA MCLGs. All tested contaminants are within safe levels.

Utility

MONTE VISTA CWD

People Served

56,839

MCL Violations

Last Updated

2023-03-30

Is Montclair Tap Water Safe to Drink?

Montclair's tap water currently meets all EPA Maximum Contaminant Level Goals (MCLGs). All 30+ contaminants tested are within safe levels according to health-based guidelines. The water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.

The data below shows test results from 1 water utility serving 56,839 people in the Montclair area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2023-03-30.

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Montclair Water Service Areas

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Recommended Water Filters for Montclair

Based on Montclair's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Our Pick

BEST LEAD REMOVAL

Pentair Residential Filtration, LLC

Everpure Residential H-300-NXT

(387 reviews)

468

NSF Certified:

NSF-401

NSF-42

NSF-53

Capacity

3001 gal

Filter Life

10 mo

Flow Rate

0.5 gpm

Removes 5 contaminants:

Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Cryptosporidium, Lead

View Details

Best Value

BEST LEAD REMOVAL

Whirlpool Corporation

W11256135

(40,578 reviews)

NSF Certified:

NSF-401

NSF-42

NSF-53

Capacity

1001 gal

Filter Life

3 mo

Flow Rate

0.7 gpm

Removes 19 contaminants:

1,2 Dichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos, Atrazine +14 more

View Details

Best Value

BEST LEAD REMOVAL

Whirlpool Corporation

W11569861

(1,273 reviews)

59.97

NSF Certified:

NSF-401

NSF-42

NSF-53

Capacity

1001 gal

Filter Life

3 mo

Flow Rate

0.52 gpm

Removes 22 contaminants:

1,2 Dichlorobenzene, 1,2,4 Trichlorobenzene, 1,4 Dichlorobenzene, 2,4-D, Asbestos +17 more

View Details

Best Value

EDITOR'S CHOICE

BEST BUDGET

Santevia

19.99

NSF Certified:

NSF-42

NSF-53

Flow Rate

0.36 gpm

Removes 1 contaminants:

Chlorine

View Details

Browse All Water Filter Types

Verify Your Water Is Safe

While public data shows safe levels, many residents prefer independent testing for peace of mind—especially for unregulated contaminants.

RECOMMENDED

SimpleLab

Standard Home Water Test

$232

Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

(209 reviews)

7-10 days

200+ tested

EPA Certified

Tests 200+ contaminants

EPA-certified laboratory

Easy mail-in sample collection

Order Test Kit

SimpleLab

Advanced Home Water Test

$369

Most comprehensive home water test including all standard tests plus additional parameters for ultimate peace of mind.

(19 reviews)

7-10 days

300+ tested

EPA Certified

Tests 300+ parameters

Most thorough analysis available

EPA-certified laboratory

Order Test Kit

Tap Score

Advanced Microplastics Test

$636

Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.

(30 reviews)

10-14 days

1+ tested

Advanced detection technology

Comprehensive particle analysis

Emerging contaminant testing

Order Test Kit

EPA-Certified Labs

7-10 Day Results

Easy Mail-In Collection

Browse All Test Kits

Frequently Asked Questions About Montclair Tap Water

Montclair's tap water currently meets all EPA MCLGs. All 30+ contaminants tested are within safe levels according to health-based guidelines. The water is considered safe to drink, though some people may still prefer filtered water for taste or extra protection.

Montclair Tap Water Quality Report

Is Montclair Tap Water Safe to Drink?

Montclair Water Service Areas

Recommended Water Filters for Montclair

Everpure Residential H-300-NXT

W11256135

W11569861

Browse All Water Filter Types

Verify Your Water Is Safe

Standard Home Water Test

Advanced Home Water Test

Advanced Microplastics Test

Frequently Asked Questions About Montclair Tap Water

Is Montclair tap water safe to drink?

What contaminants are in Montclair's water?

Do I need a water filter in Montclair?

Does Montclair have any water quality violations?

Is Montclair's water hard or soft?

Can you drink tap water in Montclair?

How often is Montclair's water tested?

Where does Montclair's tap water come from?

What is the overall water quality in Montclair?

What are the most common contaminants detected in Montclair water?

Stay Informed About Your Water Quality