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Upon initial system startup, the quality of the water for the intended application shall be verified at the point(s) of use as determined by the Authority Having Jurisdiction in accordance with Section K 104.3.1 and Section K 104.3.2. Water quality maintenance shall be in accordance with Section K 104.3.3.
K 104.3.1 Private Potable Water System
In the absence of water quality requirements determined by the Authority Having Jurisdiction, the minimum water quality for a private potable water system at the point of use shall comply with Table K 104.3.1.
TABLE K 104.3.1
MINIMUM WATER QUALITY
Escherichia coli (fecal coliform) Non-detectable
Protozoan Cysts Non-detectable
Viruses Non-detectable
Turbidity <0.3 NTU
K 104.3.2 Public Use Occupancies
The minimum water quality for a potable water system for public use occupancies at the point of use and testing procedures shall comply with the Environmental Protection Agency (EPA) Safe Drinking Water Act for a public water system.
K 104.3.3 Maintenance
Normal system maintenance shall require system testing for Escherichia coli (fecal coliform) and turbidity every 3 months in accordance with Table K 104.3.3. Upon failure of the fecal coliform test, the system shall be re-commissioned involving cleaning, and retesting in accordance with Section K 104.3. Testing for viruses and cysts shall occur once after 3 months of initial operation and once every 12 months thereafter.
Exception: Upon failure of the virus or cyst test, the tests will be repeated every 3 months until the tests results are negative for two consecutive tests.

TABLE K 104.3.3
MINIMUM SYSTEM MAINTENANCE REQUIREMENTS
Escherichia coli (fecal coliform) Non-detectable
Turbidity <0.3 NTU

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