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WATER PUMPS, TANKS, TESTS, WELLS, REPAIRS
WATER CONSERVATION MEASURES
WATER CONTAMINANT LEVELS
WATER FILTERS, HOME USE
WATER HAMMER NOISE DIAGNOSE & CURE
WATER ODORS, CAUSE CURE
WATER PUMP REPAIR GUIDE
WATER PRESSURE LOSS DIAGNOSIS & REPAIR
WATER PUMP SHORT CYCLING
WATER SOFTENERS & CONDITIONERS
WATER TANK REPAIR PROCEDURES
WATER TANK: USES, TROUBLESHOOTING
WATER TESTS, CONTAMINANTS, TREATMENT
WATER TREATMENT EQUIPMENT CHOICES
WELLS CISTERNS & SPRINGS
WELL CHLORINATION & DISINFECTION
WELL FLOW RATE
WELL WATER PRESSURE DIAGNOSIS
WELL YIELD IMPROVEMENT
WINTERIZE A BUILDING
City, municipal, or community water testing: should individuals bother to test such water supplies? If so why, when, and what tests are typically performed?
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Normally we would not test water in a property served by a municipal supply, as federal, state, or other regulations require thorough and frequent testing that is more extensive than a private individual is likely to employ.
However for small water systems such as those serving a limited number of homes, and particularly where the water supply system is being privately managed by a local firm or by a local property manager, some screening tests may be appropriate.
This would be particularly true if a review of the history of local testing and water sanitation by the local provider raises questions about the accuracy and thoroughness of the water management company. Be sure to review actual parameters with your home inspector or laboratory: parameters and costs vary.
The water test parameters listed below are typical state testing requirements for municipal water supply testing. Be sure to review actual parameters with your home inspector or laboratory: parameters and costs vary.
Reasons for Additional Testing of Municipal Water Supplies for Contaminants
Presuming you're in the U.S., federal regulations require very extensive and regular testing of the public water supply.
But there could be an in-building contaminant source from piping, or from a source such as legionnaire's bacteria growth in a hot water tank or other bacterial contamination in a pressure tank or piping. Water conditioner can also be a contaminant reservoirs.
You may want to clean such tanks or treatment equipment and disinfect it as a precautionary measure, then wait 2 weeks or longer (to allow any bacteria to regenerate), then perform at a minimum a bacteria test recommended by your local water test lab.
Discuss with the lab including Giardia testing in your bacteria test result. for an unknown buildnig & situation no one can safely tell you to ignore any concern you express, but finding Giardia in a public water supply would normally be a surprise. But indeed such water quality issues are not just imaginary, as you can read in the following research citations:
Watch out: bactrial contaminants and other contaminants can enter the human body by more means than just drinking water, such as by foods. See Millard (1994) cited below for an example.
Research on Contaminant in Public Water Supply
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