9-2180 South Wellington Road

Nanaimo, B.C.

tel:  250-753-3333

fax:  250-753-3364



Rainwater Harvesting
Article from Island Farm & Garden,
the Jan/Feb 2013 issue. [more]


Keeping Groundwater Safe
Article from Island Farm & Garden,
the Jan/Feb 2013 issue. [more]


Well Water Wisdom
Article from Island Farm & Garden,
the Jan/Feb 2013 issue. [more]

Well Disinfection

Well disinfection is used to inactivate or control bacteria populations in a well and the distribution system. There are several methods used to disinfect water wells including simple chlorination, shock chlorination or bulk displacement and a procedure for wells that are difficult to disinfect.


Are there things I need to do
before disinfecting my well?

A well should be tested regularly for water quality. If coliforms or Escherichia coli (E. coli)  are repeatedly detected in your well water, the first step to take to eliminate them is to look for the following:

  • Are there any potential contamination sources near the well, such as manure or compost piles, septic disposal fields, or hazardous materials storage?
  • Does the ground slope promote drainage of surface water toward the well or ponding of water around the well?
  • Is the well cap missing, cracked or damaged?
  • Does the well cap allow water or vermin to enter into the well?
  • Does the well casing stick up less than 30 cm (12 inches) from the ground surface (see Figure 1) or the floor of the pump house? Can surface or standing water easily flood over the top of the well casing?
  • Is there an unfilled space or gap between the well casing and the ground around the well e.g. the surface seal is missing or incomplete?
  • Is the well finished below grade?
  • Are there noticeable cracks in the surface seal around the well casing?

If you answered “yes”  to any of the above questions, fix the problem before proceeding with disinfection. Otherwise the well will continue to be vulnerable to contamination.

For information on the treatment of wells that are hard to disinfect click on the document above from the B.C. Provincial Government Site.

For more information on our services and products please check out the links below.

Services & Products

R.O. System

With a R.O. Water System you can remove that Chlorine Taste, and remove 99% of the impurities found … [more]

Rainwater Harvesting

Significant economic, social & environmental benefits can be achieved with Rainwater Harvesting. [more]

Filtration and Treatment

Your home drinking water should be free of bacteria, sediment, odour, be healthy and taste good. [more]

Tanks & Storage

Can tanks be buried? What base is required? What about algae growth? How heavy are the tanks? [more]

Water Testing

You should test your water, even if its been treated, to give yourself peace of mind. [more]

Wells & Pumps

ABC Water Systems carry a line of quality pumps along with certified technicians. [more]

Office Location

  • 9-2180 South Wellington Road
    Nanaimo, B.C., V9X 1V8

    tel:  250-753-3333
    fax: 250-753-3364



  • 8am to 5pm - Monday to Friday
  • Closed holiday weekends.
  • Available 24hrs on call for emergency service

Services & Products

  • R.O. System
  • Rainwater Harvesting
  • Filtration and Treatment
  • Tanks and Storage
  • Water Testing
  • Wells and Pumps