{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-27T02:52:50.381Z"},"system":{"slug":"ca_sdwis_edt__CA0410002__2024","name":"Cal-water Service Co.-chico","state":"CA","year":2024,"url":"https://www.thewatermap.com/water/ca/cal-water-service-co-chico/2024","apiUrl":"https://www.thewatermap.com/api/water/ca/cal-water-service-co-chico/2024","markdownUrl":"https://www.thewatermap.com/water/ca/cal-water-service-co-chico/2024/llms.txt","coordinates":{"latitude":39.7284945,"longitude":-121.8374777},"contaminantsMeasured":126,"contaminantsWithFederalLimit":76,"contaminantsAtOrAboveLimit":4,"contaminantsApproachingLimit":0,"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 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limit"},"breakdowns":[],"measurements":[{"value":14,"low":null,"high":null,"kind":"point","display":"14","units":"MG/L","statisticType":"max_single","samplingContext":"entry_point","rawVerbatim":"max detection 14.0 MG/L on 2024-08-06 (8/8 samples detected)"},{"value":11.075,"low":null,"high":null,"kind":"point","display":"11.075","units":"MG/L","statisticType":"avg","samplingContext":"entry_point","rawVerbatim":"avg over 8 samples (DL/2 substitution for 0 non-detects)"},{"value":56,"low":null,"high":null,"kind":"point","display":"56","units":"MG/L","statisticType":"max_single","samplingContext":"source","rawVerbatim":"max detection 56.0 MG/L on 2024-08-05 (52/52 samples detected)"},{"value":9.373076923076923,"low":null,"high":null,"kind":"point","display":"9.373076923076923","units":"MG/L","statisticType":"avg","samplingContext":"source","rawVerbatim":"avg over 52 samples (DL/2 substitution for 0 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at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.05508196721311476,"low":null,"high":null,"kind":"point","display":"0.05508196721311476","units":"MG/L","statisticType":"avg","samplingContext":"source","censored":false,"detectionLimit":null,"rawVerbatim":"avg over 61 samples (DL/2 substitution for 55 non-detects)"},"federalStandard":{"type":"mcl","value":2,"units":"MG/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":null,"low":null,"high":null,"kind":"non_detect","display":"Not detected","units":"MG/L","statisticType":"max_single","samplingContext":"entry_point","rawVerbatim":"all 8 samples below DL (0.1 MG/L)"},{"value":0.05508196721311476,"low":null,"high":null,"kind":"point","display":"0.05508196721311476","units":"MG/L","statisticType":"avg","samplingContext":"source","rawVerbatim":"avg over 61 samples (DL/2 substitution for 55 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limit"},"breakdowns":[],"measurements":[{"value":2.060402298850575,"low":null,"high":null,"kind":"point","display":"2.060402298850575","units":"MG/L","statisticType":"avg","samplingContext":"source","rawVerbatim":"avg over 87 samples (DL/2 substitution for 3 non-detects)"},{"value":5.7,"low":null,"high":null,"kind":"point","display":"5.7","units":"MG/L","statisticType":"max_single","samplingContext":"source","rawVerbatim":"max detection 5.7 MG/L on 2024-07-10 (84/87 samples detected)"},{"value":4.3,"low":null,"high":null,"kind":"point","display":"4.3","units":"MG/L","statisticType":"max_single","samplingContext":"entry_point","rawVerbatim":"max detection 4.3 MG/L on 2024-04-03 (16/16 samples detected)"},{"value":2.2375,"low":null,"high":null,"kind":"point","display":"2.2375","units":"MG/L","statisticType":"avg","samplingContext":"entry_point","rawVerbatim":"avg over 16 samples (DL/2 substitution for 0 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