Treatment Process

Control Measures

Water Source

Ÿ Regular inspection of the source and pipe fittings

Ÿ Locate boreholes far away from septic tanks, grave sites.

Ÿ Use of planning and environmental regulations to regulate potential water polluting developments

Ÿ Flood prevention around the water source

Ÿ Control of sewage effluents

Raw Water Storage

Ÿ Regular washing and disinfection of the storage tanks

Ÿ Use of PVC tanks in place of stainless tanks

Sand and Carbon Filter

Ÿ Increase frequency of media and filter inspection

Ÿ Backwashing should be done regularly

Ÿ Change procedure for backwash cycles

Ÿ Proper staff training

Reverse Osmosis

Ÿ Change pre-treatment processes to produce water that complies with membrane specifications.

Ÿ Manual checks on the finished water quality directly after flushing the membrane

Treated Water Storage

Ÿ Regular washing and disinfection

Micro Filters

Ÿ Change filters when due

Ÿ Make sure the filter is fitted the correct way round

Ÿ Ensure that filter housing is disinfected during filter installation, and flush to remove residual disinfectant

UV Steriliser

Ÿ Link UV sensor to alarm to show when UV is faulty

Ÿ Regular replacement of UV lamp