Arsenic Treatment

Our Arsenic treatment systems are designed to reduce arsenic to less than 0.010 mg/L (ppm), (10 μg/L (ppb)). Actual performance of the system may vary depending on specific water chemistry and conditions at the consumer's installation. Following installation of this system, the installation site should have the treated water tested for arsenic to verify arsenic reduction is being achieved and the system is functioning properly.

Aqua Pump was the first company in the state to install an Arsenic Removal System on a public water supply with Department of Public Health approval.

Read an article from The Norwich Bulletin about Hyde School in Woodstock, CT, featuring this system.

For more information about arsenic please consult our Arsenic Fact Sheet below:

Arsenic Fact Sheet

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Media used for arsenic treatment are affected by a number of water parameters. The R.E. Prescott Co., Inc. Layne RT™ Water Arsenic Reduction System is designed to reduce pentavalent arsenic. Actual performance of the system may vary depending on specific water conditions at the consumer’s installation. Following installation of this system, the consumer is recommended have the treated water tested for arsenic to verify that arsenic reduction is being achieved and the system is functioning properly.

The arsenic treatment component of this system must be replaced at the end of its useful life when the treated water exceeds 0.010 mg/l (0.005 mg/l in NJ & SC) of arsenic or sooner. The replacement component can be purchased from Aqua Pump Co., Inc. your local Layne RT™ Water Systems Professional.

Arsenic

Arsenic (As) is a naturally occurring contaminant found in many ground waters. It generally occurs in two forms (valences or oxidation states): pentavalent arsenic (also known as As(V), As(+5), and arsenate) and trivalent arsenic (also known as As(III), As(+3), and arsenite). In natural ground water, arsenic may exist as trivalent arsenic, pentavalent arsenic, or a combination of both. More information about arsenic and its toxicity can be found on the Agency for Toxic Substances and Disease Registry Toxicological Profile on Arsenic website, and the U.S. Environmental Protection Agency website.

Arsenic does not generally impart color, taste or smell to water and therefore, can only be detected by a chemical analytical test. Public water supplies are required to monitor delivered water for arsenic (trivalent plus pentavalent arsenic) and the results are available to the public from the utility. Consumers using private water sources will need to make arrangements for testing or following CT drinking water requirements. It is recommended that the test be done by a laboratory.

Total Arsenic

If the total arsenic concentration is above 0.050 mg/L please consult your Layne RT™ Water Systems Professional.

Arsenite As (III)

The Layne RT™ System is designed to remove As(V). If arsenite is present it is recommended that you oxidize the water prior to the arsenic treatment media. Contact Aqua Pump. Co., Inc, your local Layne RT™ Water Systems Professional for oxidizing options.

pH

Adsorption media operate most effectively between pH 5.5 and 8.5. At elevated pH, silica becomes a more aggressive interfering species. Do not use organic acids (such as citric or acetic acid) to adjust the pH ahead of the media.

Silica

Levels above 20 mg/L begin to interfere with arsenic adsorption on the media when combined with a pH above 7.5.

Phosphate (PO4)

Levels above 0.150 mg/L as PO4 or levels above 0.05 mg/L as P will reduce media life for arsenic adsorption.

Iron & Manganese

Soluble iron and manganese may precipitate onto the media bed. If iron and manganese are above the secondary MCLs (0.30 mg/L and 0.05 mg/L respectfully), it is recommended to remove them before the arsenic treatment system.

Hardness

Hardness does not significantly affect the performance of the arsenic treatment media.

Cautions

Oxidation/Disinfection

Oxidizing agents, such as chlorine or sodium hypochlorite (bleach), can degrade the arsenic treatment media. If chlorine is present in the raw water (> 1.0 ppm residual), it should be removed prior to the media with activated carbon filtration.

Hydrogen Sulfide

If hydrogen sulfide is present, the arsenic treatment media will temporarily remove it from the water before it is displaced by sulfates. Once it is displaced, the hydrogen sulfide will impart an odor to the water.


Installation Information

Whole house filters range in size, typically between 5' - 7' tall, or about the size of small closet. Aqua Pump can install most whole house filters in a single morning or an afternoon.

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TOLL FREE: 1 800-642-0420

Our Services

  • Well Repairs & System Maintenance
  • Water Testing (arsenic, nitrates, etc.)
  • Well Location
  • Water Filtration
  • Water Conditioning
  • Well Sanitizing
  • Leak Detection
  • Residential & Commercial

Local Phone Numbers

Danielson: 860-779-6544
Norwich: 860-887-7272
Simsbury: 860-658-2110
Stafford: 860-684-5349
Suffield: 860-668-4379
Willimantic: 860-456-3555

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Our Certified Operator Program offers Commercial & Industrial Applications, Arsenic & Uranium Removal, and Maintenance Plans.

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We want you to know that you can always reach us and that we will always do our best to fix the issue as fast as possible: 24 hours a day, 7 days a week.

About Aqua Pump Co., Inc.

Located in Stafford Springs, CT and established in 1973, we pride ourselves in providing outstanding service to our commercial and residential water supply customers.

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