Arolo Company
The North Bay Equipment Services Leaders: Residential | Commercial-Industrial | Agricultural | Municipal
424 Payran Street
Petaluma, CA 94952
(707) 762-4028

Clean water for drinking, nourishing, cooking & bathing is an essential part of daily life . The quality of your water can affect the health of your family, pets & landscaping.

Considering all the ways water impacts our lives, you can see why its so imperative that we make sure that the quality of your water is safe for your home and your health. Apperance, foul odor, taste, and stains on household fixtures may prompt you to explore water treatment options. There are primary and secondary water treatment concearns. Primary are health concerns. Secondary are for odor, taste & visual concerns. Before you attempt a quick fix, which could lead to a costly or ineffective remedy, take the appropriate step and have your water analyized by one of our qualified techincians.

Arolo Company is proud to hold a Grade T2 Water Treatment Operator Certificate & D2 Water Distribution Operator Certificate awarded by the State of California Department of Public Health for the experience and knowledge of water treatment system and ensuring that safe and potable water is served to California’s public water systems.


  • Bacteria
  • Nitrates
  • Hardness
  • Arsenic




Frequently Asked Questions



Water Analysis

Arolo Company can test the quality of your water to make sure its is safe to drink and acceptable for all other household uses. It is important to determine what contaminants are in your water and at what levels in order to properly diagnose and recommend a treatment will work best for your needs.

Typical Types of Testing (but not limited to):

Coliform Bacteria

Coliform bacteria originate as organisms in soil or vegetation and in the intestinal tract of warm-blooded animals (fecal coli). Finding coliform bacteria in a water supply is an indication that there is a potential for disease-producing organisms to be present also.Coliform bacteria washed into the ground by rain or melting snow are usually filtered out as water percolates through the soil. However, poorly-constructed or unsealed wells, fractured rock outcroppings, sinkholes, and quarries may provide a path for coliform bacteria to enter groundwater. Once in the groundwater, bacteria can easily pollute drinking water used by private well owners.


Nitrates are nitrogen-oxygen chemical units that combine with various organic and inorganic compounds. Although nitrate is found naturally in many types of food, high levels in drinking water pose a serious acute health threat for infants less than six months of age. Sources of nitrate include fertilizer infiltration in agricultural areas, animal feedlots, sewage absorption fields, municipal and industrial wastewater, urban drainage and decaying plant debris. The excess nitrates not used by the plants are carried through the soil to ground water in a process called "leaching." Once in water, they remain there until used by plants or another organism, or removed by water treatment techniques.


The most common problem associated with ground water may be hardness, generally associated with an abundance of calcium and/or magnesium dissolved in the water. Hard water has not been shown to cause health problems, but can be a nuisance as it may cause soap curds and deposits to form on pipes and other plumbing fixtures. Over time this can reduce the diameter of the pipes.


Arsenic is a semi-metallic element with the chemical symbol "As." It is a member of the nitrogen family, and it occurs naturally in rocks, soils, and waters that come in contact with these rocks and soils. Arsenic is odorless and tasteless. Arsenic can combine with other elements to form inorganic and organic arsenicals. In general, inorganic derivatives are regarded as more toxic than the organic forms. While food can contain both inorganic and organic arsenicals, primarily inorganic forms are present in water.


Frequently Asked Questions


Following information extracted from National Ground Water Association. Please visit their website for more information:


Q. How will I know if my water is safe to drink?

A. The only way to truly know is to have your water tested by a qualified water well system contractor.

Q. How often should I have my water tested?
A. Every year or two. Look for changes or trends in individual parameters.

Q. What’s causing the brown stains in the toilet?
A. These stains are caused by elevated iron or perhaps manganese in the water. This problem can be corrected by the installation of the proper filter.

For more information on how to provide your family and home with safe drinking water please visit


Water Treatment

Arolo Company Inc. offers a number of solutions to protect your family from harmful contaminants found in ground water

filterTreatment Systems

Filtration Systems reduce the odors, tastes of your groundwater


trpocrc3.gif    Triple O Systems Inc.


The "Triple O" water purification system is designed to remove many common  contaminants from well and spring water: Iron (orange stains), Manganese (black stains), Hydrogen Sulfide (rotten egg odor), Bacteria, Taste, Color, Acid pH and Turbidity.


top_left_logo.jpg Nimbus Water Systems


Reverse Osmosis is a water purification method, which is easy to design and install, and simple to maintain.


Ultra Violet Light Systems




Trojan offers an easy-to-use, safe, chemical-free way to disinfect your water - using ultraviolet (UV) light. UV is the best possible way to protect your water from harmful microorganisms such as E.coli, Giardia and Cryptosporidium.


ultraviolet_logo32.gif   Ultraviolet


The method of an ultraviolet germicidal light being used in purification and disinfection of water, air and surface is a unique and rapid method, without the use of heat or chemicals. The germicidal ultraviolet lamps utilized produce short wave radiation lethal to bacteria, virus and other microorganisms.


Chemicals and Pumps


Chemical pumps distribute the right amount of dosing, with a worry free method that provides an economical and safe way to treat your water


images.jpg  Grundfos




Cartridge Filters & Separaton





LAKOS Separators and Filtration systems can be used in a wide variety of applications, helping to separate settleable solids from liquid or to remove floating organics with our media filters and filter screens


Rusco.gif  Rusco


Rusco filtration systems use unique separation technology to separate sediment particles from your water supply. Rusco filter systems are available in 13 different mesh sizes to filter out larger sediment particles before they damage household appliances or industrial machines.



ML_400ed7c6cdb6e.jpg   Grinder pumps are utilized in septic and waste system with solid   materials

PENTEK_topbar_final6.jpg  Pentek

HousingGroupThumbnail.jpg   Pentek filter products remove contaminants and suspended solids from the water, providing clean, safe drinking water and protecting and extending the life of household appliances and critical equipment.

Water Softeners



Softener units remove the calcium and magnesium that cause the water to be hard. Softeners are also helpful with extending the life of your household appliances.

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