What contaminants are in Guernsey's water?

Guernsey's water utility tests for 128 different contaminants. Currently, 4 contaminants are 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 Guernsey?

Yes, we recommend using a water filter in Guernsey. With 4 contaminants 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 Guernsey have any water quality violations?

GUERNSEY, TOWN OF 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.

What are the main contaminants in Guernsey tap water?

The main contaminants of concern in Guernsey's tap water include Gross Alpha Activity, Uranium, Radium, combined (-226 & -228). These substances were found above EPA health-based guidelines. You can view detailed information about each contaminant, including health effects and recommended filters, in the contaminants section above.

Can you drink tap water in Guernsey?

While you can technically drink tap water in Guernsey as it meets legal requirements, 4 contaminants are above EPA health guidelines. We recommend using a certified water filter for optimal protection, especially for vulnerable individuals.

How often is Guernsey's water tested?

GUERNSEY, TOWN OF 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 Guernsey's tap water come from?

Guernsey'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 before distribution.

What is the overall water quality in Guernsey?

Guernsey has 4 contaminants above EPA health guidelines (MCLGs) out of 128+ 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 Guernsey have hard or soft water?

Water hardness information is not currently available for Guernsey. You can contact GUERNSEY, TOWN OF at 307-836-2335 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 Guernsey water?

The most commonly detected contaminants in Guernsey water include: Gross Alpha Activity, Uranium, Sodium, Radium, combined (-226 & -228), Gross Alpha (Excl. Radon and Uranium). Of these, 4 exceed EPA health guidelines. These contaminants are regularly monitored by GUERNSEY, TOWN OF and reported to the EPA. View the detailed contaminant section above for specific levels and health information.

Guernsey Tap Water Quality Report

Guernsey's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.

Utility

GUERNSEY, TOWN OF

People Served

1,157

MCL Violations

Last Updated

2021-05-03

Is Guernsey Tap Water Safe to Drink?

Guernsey's water has 4 contaminants above EPA health-based guidelines. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Guernsey's water.

The data below shows test results from 1 water utility serving 1,157 people in the Guernsey area. Water quality testing is conducted regularly and reported to the EPA. This report was last updated 2021-05-03.

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Guernsey Water Service Areas

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Recommended Water Filters for Guernsey

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

Our Pick

EDITOR'S CHOICE

BEST OVERALL PERFORMANCE

AquaTru

Classic

449

NSF Certified:

NSF-42

NSF-53

NSF-58

NSF-401

NSF-P473

NSF-372

Flow Rate

0.04 gpm

Daily Production

600 gpd

Removes 23 contaminants:

83+, Lead, Fluoride, Strontium, Uranium +18 more

View Details

Best Value

EDITOR'S CHOICE

BEST EFFICIENCY

AquaTru

Carafe

349

NSF Certified:

NSF-53

NSF-42

NSF-58

NSF-401

NSF-372

NSF-P473

Flow Rate

0.3 gpm

Daily Production

4 gpd

Removes 17 contaminants:

PFOA, PFOS, Chlorine, Lead, Fluoride +12 more

View Details

Highly Rated

BEST HOT AND COLD WATER ON DEMAND

Waterdrop

A1

650

NSF Certified:

NSF-58

Flow Rate

0.042 gpm

Daily Production

130 gpd

Removes 12 contaminants:

10+, 10+ contaminants, Fluoride, Uranium, Copper +7 more

View Details

BEST LEAD REMOVAL

Solventum Purification Inc.

3MRO401

(35 reviews)

679.95

NSF Certified:

NSF-58

Daily Production

11.48 gpd

Removes 15 contaminants:

Arsenic, Barium, Cadmium, Chromium (Total), Chromium (VI) +10 more

View Details

Browse All Water Filter Types

Verify Your Water Quality with Independent Testing

With 4 contaminants above EPA health guidelines, independent laboratory testing provides a second opinion and can track changes over time.

RECOMMENDED

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

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

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 Guernsey Tap Water

Guernsey's water has 4 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Guernsey's water.

Guernsey Tap Water Quality Report

Is Guernsey Tap Water Safe to Drink?

Guernsey Water Service Areas

Recommended Water Filters for Guernsey

Classic

Carafe

A1

3MRO401

Browse All Water Filter Types

Verify Your Water Quality with Independent Testing

Advanced Home Water Test

Standard Home Water Test

Advanced Microplastics Test

Frequently Asked Questions About Guernsey Tap Water

Is Guernsey tap water safe to drink?

What contaminants are in Guernsey's water?

Do I need a water filter in Guernsey?

Does Guernsey have any water quality violations?

What are the main contaminants in Guernsey tap water?

Can you drink tap water in Guernsey?

How often is Guernsey's water tested?

Where does Guernsey's tap water come from?

What is the overall water quality in Guernsey?

Does Guernsey have hard or soft water?

What are the most common contaminants detected in Guernsey water?

Stay Informed About Your Water Quality