{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-25T20:27:04.360Z"},"system":{"slug":"metro__054__new-orleans","name":"New Orleans","state":"LA","year":2024,"url":"https://www.thewatermap.com/water/la/new-orleans/2024","apiUrl":"https://www.thewatermap.com/api/water/la/new-orleans/2024","markdownUrl":"https://www.thewatermap.com/water/la/new-orleans/2024/llms.txt","coordinates":{"latitude":29.9561422,"longitude":-90.0733934},"contaminantsMeasured":20,"contaminantsWithFederalLimit":11,"contaminantsAtOrAboveLimit":0,"contaminantsApproachingLimit":1,"source":{"type":"Consumer Confidence Report (CCR)","description":"Figures are transcribed from the water utility's own annual Consumer Confidence Report, cross-checked by a second model, and approved by a person before publishing."},"families":[{"family":"disinfectant","familyLabel":"Disinfectants","contaminants":[{"analyteId":"chlorine","name":"Chlorine","family":"disinfectant","familyLabel":"Disinfectants","casrn":null,"whatItIs":"A disinfectant added to drinking water to kill bacteria and viruses.","whyItMatters":"Effective and necessary, but high residual levels can cause taste and odor issues; the EPA caps the residual disinfectant level.","measured":{"value":3.3,"low":0.1,"high":3.3,"kind":"range","display":"0.1–3.3","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Eastbank","censored":false,"detectionLimit":null,"rawVerbatim":"0.1 – 4.9\nhighest RAA = 3.3"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.3,"low":0.1,"high":3.3,"kind":"range","display":"0.1–3.3","units":"mg/L","statisticType":"reported_level","samplingContext":"zone:Eastbank","rawVerbatim":"0.1 – 4.9\nhighest RAA = 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