What contaminants are in Sumas's water?

Sumas's water utility tests for 20 different contaminants. Currently, 1 contaminant is above 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 Sumas?

Yes, we recommend using a water filter in Sumas. With 1 contaminant above EPA MCLGs, a certified water filter can reduce your exposure to these substances. Look for filters certified for NSF-53 (health effects) or NSF-58 (reverse osmosis) that specifically remove the contaminants found in your water.

Does Sumas have any water quality violations?

SUMAS WATER DEPT 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.

Can you drink tap water in Sumas?

While you can technically drink tap water in Sumas as it meets legal requirements, 1 contaminant is above EPA health guidelines. We recommend using a certified water filter for optimal protection, especially for vulnerable individuals.

How often is Sumas's water tested?

SUMAS WATER DEPT 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 Sumas's tap water come from?

Sumas's drinking water comes from groundwater. Groundwater sources like wells and aquifers often have natural filtration through soil and rock layers. The utility treats this water using various methods before distribution.

What is the overall water quality in Sumas?

Sumas has 1 contaminant above EPA health guidelines (MCLGs) out of 20+ tested. While meeting federal legal limits (MCLs), the presence of contaminants above health-based guidelines suggests that using a certified water filter could provide additional protection, especially for sensitive populations.

Does Sumas have hard or soft water?

Water hardness information is not currently available for Sumas. You can contact SUMAS WATER DEPT at null for specific hardness data. Generally, water hardness varies by source - groundwater tends to be harder (more minerals) while surface water is often softer. Signs of hard water include white deposits on fixtures, soap scum, and difficulty lathering soap.

What are the most common contaminants detected in Sumas water?

The most commonly detected contaminants in Sumas water include: Arsenic, Nitrite and Nitrate. Of these, 1 exceeds EPA health guidelines. These contaminants are regularly monitored by SUMAS WATER DEPT and reported to the EPA. View the detailed contaminant section above for specific levels and health information.

Sumas Tap Water Quality Report

Sumas's water has 1 contaminant above EPA MCLGs. Consider using a certified water filter for additional protection.

Utility

SUMAS WATER DEPT

People Served

1,740

MCL Violations

Last Updated

Is Sumas Tap Water Safe to Drink?

Sumas's water has 1 contaminant above EPA health-based guidelines (MCLGs). While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.

The data below shows test results from 1 water utility serving 1,740 people in the Sumas area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated .

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Recommended Water Filters for Sumas

Based on Sumas'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

Test Your Water Quality

Professional laboratory testing provides accurate, detailed analysis of your drinking water.

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Standard Home Water Test

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7-10 days

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Advanced Microplastics Test

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

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10-14 days

1+ tested

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Comprehensive particle analysis

Emerging contaminant testing

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Frequently Asked Questions About Sumas Tap Water

Sumas's water has 1 contaminant above EPA MCLGs. While the water meets federal legal limits, we recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.

Sumas Tap Water Quality Report

Is Sumas Tap Water Safe to Drink?

Recommended Water Filters for Sumas

Everpure Residential H-300-NXT

W11256135

W11569861

Browse All Water Filter Types

Test Your Water Quality

Standard Home Water Test

Advanced Home Water Test

Advanced Microplastics Test

Frequently Asked Questions About Sumas Tap Water

Is Sumas tap water safe to drink?

What contaminants are in Sumas's water?

Do I need a water filter in Sumas?

Does Sumas have any water quality violations?

Can you drink tap water in Sumas?

How often is Sumas's water tested?

Where does Sumas's tap water come from?

What is the overall water quality in Sumas?

Does Sumas have hard or soft water?

What are the most common contaminants detected in Sumas water?

Stay Informed About Your Water Quality