Sample Collector's Handbook
In order for a public water supply to provide a safe, clean,
adequate supply of water to the consumer, it must be properly constructed,
operated and maintained. However, proper construction, operation
and maintenance alone cannot document the safety or quality of the water.
To develop and maintain a record of water quality, it is necessary to
collect representative samples of the water and have them analyzed by
a certified laboratory on a routine basis. Sampling, combined with proper
operation, operational testing and record keeping with periodic facility
inspection, is an effective means of documenting the safety and quality
of the water reaching the consumer.
It is critical that each sample collector carefully read the sample collection
requirements specified in each approved drinking water test method. Sampling
location and sampling technique vary and failure to follow the proper
procedures may result in re-sampling or violations.
We are pleased to publish this Sample Collector’s Handbook. This
handbook will assist public water supplies in implementing the requirements
of the Illinois Environmental Protection Agency’s drinking water
regulations.
We intend to update the Handbook periodically as the United States Environmental
Protection Agency (USEPA) and subsequently the Illinois Pollution Control
Board promulgates and the Illinois EPA publishes new and revised drinking
water regulations. Each public water supply must be aware of these changes
and make any necessary modifications to its sample collection procedures.
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