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it harms brain development in children and raises blood pressure in adults. 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relevant for people on sodium-restricted diets.","measured":{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":"mg/L","statisticType":"average","samplingContext":"plant:Citico Water Treatment Plant","censored":false,"detectionLimit":null,"rawVerbatim":"7.8"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.9,"low":7.7,"high":7.9,"kind":"range","display":"7.7–7.9","units":"mg/L","statisticType":"range","samplingContext":"plant:Range Detected","rawVerbatim":"7.7 - 7.9"},{"value":7.8,"low":null,"high":null,"kind":"point","display":"7.8","units":"mg/L","statisticType":"average","samplingContext":"plant:Citico Water Treatment Plant","rawVerbatim":"7.8"}]},{"analyteId":"zinc","name":"Zinc","family":"metal","familyLabel":"Metals","casrn":"7440-66-6","whatItIs":"A naturally occurring metal that can also enter water from corroding pipes.","whyItMatters":"Regulated only as a secondary (cosmetic) standard; 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persistent in the environment and the human body.","measured":{"value":6.4,"low":null,"high":null,"kind":"point","display":"6.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Citico Treatment Plant Eff","censored":false,"detectionLimit":null,"rawVerbatim":"6.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":5,"low":null,"high":null,"kind":"point","display":"5","units":"ng/L","statisticType":"range","samplingContext":"plant:Citico Treatment Plant Eff","rawVerbatim":"5.0 to 8.5"},{"value":6.4,"low":null,"high":null,"kind":"point","display":"6.4","units":"ng/L","statisticType":"average","samplingContext":"plant:Citico Treatment Plant Eff","rawVerbatim":"6.4"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"hardness","name":"Hardness","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of dissolved calcium and magnesium minerals.","whyItMatters":"Not federally regulated for health; 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