Arsenic Filtration – Why Water Quality Can Change Over Time

If you use well water in Reno, Nevada, or similar regions, you might think that your water is safe. But did you know that arsenic, a naturally occurring yet toxic element, could be present in your well water? Research states that groundwater in more than 100 countries, including parts of the United States, is affected by arsenic contamination.

Arsenic is colorless, odorless, and tasteless by nature. That makes it undetectable without proper testing. According to the WHO, long-term exposure to arsenic through drinking water can lead to some serious health issues, including skin lesions, cancer, cardiovascular diseases, neurotoxicity, and developmental effects in children.

In this blog, you’ll learn how the Arsenic concentration impacts your well water quality and why regular water well testing is important.

Know More About The Presence of Arsenic in Well Water

Arsenic is a natural element that’s found in rocks, soil, water, and air. It can even enter the groundwater through the dissolution of arsenic-containing minerals. In well water, arsenic generally exists in two forms.

• Arsenic III (Arsenite) – It’s more toxic and harder to remove.
• Arsenic V (Arsenate) – Less toxic and easier to treat.

Why Does Arsenic Concentration Change Over Time?

Several factors can cause fluctuations in arsenic levels in well water.

• Geological Changes – Shifts in the Earth’s crust can release more arsenic into groundwater.
• Well Construction and Maintenance – If your wells are improperly sealed, they can allow contaminants to enter.
• Nearby Industrial Activities – Mining or agricultural practices in your surrounding areas can increase arsenic levels in the groundwater.
• Water Chemistry Variations – Changes in pH, oxygen levels, and other chemical factors can also affect arsenic solubility.

The Importance of Regular Well Water Testing

Your water quality doesn’t stay the same forever. Even if your well was tested as safe a few years ago, things underground can shift and change. That’s why it’s important to test your water on a routine basis. 

Most experts suggest checking for arsenic every 3-5 years, or more frequently if you notice changes in taste, color, or smell. Regular testing is the only way to be sure your water stays safe for your family.

Signs Your Groundwater May Be Contaminated

While arsenic itself is invisible, there are a few general signs that something may be wrong with your well water.

• Strange taste or odor – Metallic, bitter, or rotten-egg smell can indicate contamination.
• Discoloration – Reddish, brown, or cloudy water may point to iron, sediment, or other pollutants.
• Stains on sinks or laundry – Rust-colored or greenish stains can signal mineral or chemical issues.
• Health symptoms – Unexplained stomach problems, skin irritation, or fatigue in the household can sometimes be due to poor water quality.

How Well Water Testing Works

When you contact a professional well water expert for testing, the process involves a few steps.

• Sample Collection – A technician collects water samples from your well.
• Laboratory Analysis – Samples are sent to a certified lab for detailed analysis.
• Results Interpretation – Experts review the results and recommend appropriate filtration solutions.

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Arsenic Filtration Methods

If a well test shows arsenic in your water, filtration isn’t just a good idea; it’s necessary. Since arsenic is invisible, you can’t remove it by boiling or using simple filters. The only reliable way to protect your family is with a system made for arsenic removal. Here are some of the most effective methods available today.

1. Point-of-Use (POU) Systems

These systems treat water at a single tap, usually the kitchen sink. They’re ideal for drinking and cooking water. You can use either of the two options available.

• Reverse Osmosis (RO) Systems – Effective in removing arsenic, especially Arsenic V.
• Adsorptive Media Filters – Use materials that bind to arsenic, removing it from water.

2. Point-of-Entry (POE) Systems

These whole-house systems treat all water entering your home. They’re suitable if you want to check that all water, including for bathing and laundry, is free of arsenic. POE systems often use dual-tank designs with advanced media that remove arsenic efficiently.

How to Choose the Right Arsenic Filtration System for Your Home

Selecting the appropriate filtration system depends on various factors.

Factors	What It Means	Why It’s Important
Arsenic Concentration	The amount of arsenic found in your well water.	Higher arsenic levels need stronger and more advanced filtration systems.
Water Usage	How much water your household uses daily and where it’s needed.	A whole-house system is best if you want safe water everywhere, while a point-of-use system works for drinking and cooking only.
Budget	The money you can invest now and in the future.	Some systems cost more upfront but save money in the long run with less maintenance.

Commonly Asked Questions by Homeowners Using Well Water in Reno

• How do I know if my well water has arsenic?

As you can’t identify Arsenic by seeing, smelling, or tasting, the only way to know the presence of arsenic in water is through laboratory testing. 

• Can boiling water remove arsenic?

No, boiling water does not remove arsenic. In fact, it can concentrate the arsenic as water evaporates.

• How often should I test my well water for arsenic?

It’s recommended to test every 3-5 years, or more frequently if there are changes in water quality or after nearby industrial activities.

• Are there any government regulations for arsenic levels in well water?

Yes, according to the EPA, the Maximum Contaminant Level for arsenic in your drinking water is 10 parts per billion.

Takeaway

Arsenic contamination is a serious concern, but understanding the issue and using the right solutions can keep your family safe. To keep your drinking water safe, make sure to test your well water regularly and choose a filtration system designed for arsenic removal. 

Working with a certified water testing and filtration expert keeps your system effective. It gives you peace of mind and helps safeguard your family’s health for years to come.

Get Your Well Water Tested for Arsenic – Contact Bruce Mackay Pump & Well Service

If you’re unsure about your well water quality, don’t wait for signs of contamination. Bruce MacKay Pump & Well Service offers comprehensive water well testing and expert filtration solutions in Reno to make sure your water is safe and clean. 

With over 40 years of experience and a commitment to your well-being, we’re 24/7 available to help. 

Contact us today to schedule your water test and take the first step toward peace of mind.