{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-06-04T02:20:07.868Z"},"system":{"slug":"ca__liberty-park-water-association__CA3000618__2020","name":"Liberty Park Water Association — Huntington Beach, Ca","state":"CA","year":2020,"url":"https://www.thewatermap.com/water/ca/liberty-park-water-association-huntington-beach-ca/2020","apiUrl":"https://www.thewatermap.com/api/water/ca/liberty-park-water-association-huntington-beach-ca/2020","markdownUrl":"https://www.thewatermap.com/water/ca/liberty-park-water-association-huntington-beach-ca/2020/llms.txt","coordinates":{"latitude":33.7064067,"longitude":-117.9878373},"contaminantsMeasured":10,"contaminantsWithFederalLimit":4,"contaminantsAtOrAboveLimit":0,"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 publishing."},"families":[{"family":"inorganic","familyLabel":"Inorganic chemicals","contaminants":[{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":null,"statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.73"},"federalStandard":{"type":"MCL","value":2,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.73"},{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"0.73"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.86-3.26"},"federalStandard":{"type":"MCL","value":10,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.06,"low":null,"high":null,"kind":"point","display":"3.06","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.06"},{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"2.86-3.26"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":34.5,"low":32.4,"high":34.5,"kind":"range","display":"32.4–34.5","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"32.4-34.5"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":34.5,"low":32.4,"high":34.5,"kind":"range","display":"32.4–34.5","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"32.4-34.5"},{"value":33.45,"low":null,"high":null,"kind":"point","display":"33.45","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"33.45"}]},{"analyteId":"copper","name":"Copper","family":"metal","familyLabel":"Metals","casrn":"7440-50-8","whatItIs":"A metal that enters water from corroding household plumbing.","whyItMatters":"Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","rawVerbatim":"0"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":"7439-92-1","whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:No. of Samples Collected","label":"No. of Samples Collected","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:No. of Schools Requesting Lead Sampling","label":"No. of Schools Requesting Lead Sampling","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:No. of Schools Requesting Lead Sampling","rawVerbatim":"[Enter No.] 0"}]},{"analyteId":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":6.4,"low":6,"high":6.4,"kind":"range","display":"6–6.4","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"6-6.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":6.4,"low":6,"high":6.4,"kind":"range","display":"6–6.4","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"6-6.4"},{"value":6.2,"low":null,"high":null,"kind":"point","display":"6.2","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"6.2"}]}]},{"family":"microbial","familyLabel":"Microbial","contaminants":[{"analyteId":"ecoli","name":"Escherichia coli (E. coli)","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"Escherichia coli — bacteria found in the gut of humans and animals.","whyItMatters":"Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Total No. of Detections","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Total No. of Detections","label":"Total No. of Detections","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:No. of Detections","label":"No. of Detections","kind":"plant","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Total No. of Detections","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","rawVerbatim":"0"}]},{"analyteId":"total_coliform","name":"Total Coliform","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"A group of bacteria used as an indicator of overall water-system sanitation.","whyItMatters":"Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","rawVerbatim":"0"}]}]},{"family":"other","familyLabel":"Other","contaminants":[{"analyteId":"nitrate_nitrite","name":"Nitrate Nitrite","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.86-3.26"},"federalStandard":{"type":"MCL","value":10,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.06,"low":null,"high":null,"kind":"point","display":"3.06","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.06"},{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"2.86-3.26"}]}]},{"family":"physical_aggregate","familyLabel":"Physical & aggregate","contaminants":[{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.6"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"7.6"},{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"7.6"}]}]}],"contaminants":[{"analyteId":"fluoride","name":"Fluoride","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"16984-48-8","whatItIs":"A mineral often added to drinking water to help prevent tooth decay.","whyItMatters":"Beneficial at low levels, but long-term exposure above the federal limit can cause bone disease and tooth mottling.","measured":{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":null,"statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.73"},"federalStandard":{"type":"MCL","value":2,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.73"},{"value":0.73,"low":null,"high":null,"kind":"point","display":"0.73","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"0.73"}]},{"analyteId":"nitrate","name":"Nitrate","family":"inorganic","familyLabel":"Inorganic chemicals","casrn":"14797-55-8","whatItIs":"A compound from fertilizer runoff, septic systems, and erosion of natural deposits.","whyItMatters":"Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.","measured":{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.86-3.26"},"federalStandard":{"type":"MCL","value":10,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.06,"low":null,"high":null,"kind":"point","display":"3.06","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.06"},{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"2.86-3.26"}]},{"analyteId":"calcium","name":"Calcium","family":"metal","familyLabel":"Metals","casrn":"7440-70-2","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":34.5,"low":32.4,"high":34.5,"kind":"range","display":"32.4–34.5","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"32.4-34.5"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":34.5,"low":32.4,"high":34.5,"kind":"range","display":"32.4–34.5","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"32.4-34.5"},{"value":33.45,"low":null,"high":null,"kind":"point","display":"33.45","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"33.45"}]},{"analyteId":"copper","name":"Copper","family":"metal","familyLabel":"Metals","casrn":"7440-50-8","whatItIs":"A metal that enters water from corroding household plumbing.","whyItMatters":"Short-term exposure causes stomach distress; long-term exposure can damage the liver and kidneys.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","rawVerbatim":"0"}]},{"analyteId":"lead","name":"Lead","family":"metal","familyLabel":"Metals","casrn":"7439-92-1","whatItIs":"A toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.","whyItMatters":"There is no safe level of lead; it harms brain development in children and raises blood pressure in adults. The EPA sets an action level, not a health goal above zero.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:No. of Samples Collected","label":"No. of Samples Collected","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0},{"context":"plant:No. of Schools Requesting Lead Sampling","label":"No. of Schools Requesting Lead Sampling","kind":"plant","units":"ug/L","average":null,"range":null,"ratio":0}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:No. of Samples Collected","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":"ug/L","statisticType":"reported_level","samplingContext":"plant:No. of Schools Requesting Lead Sampling","rawVerbatim":"[Enter No.] 0"}]},{"analyteId":"magnesium","name":"Magnesium","family":"metal","familyLabel":"Metals","casrn":"7439-95-4","whatItIs":"A naturally occurring mineral that contributes to water hardness.","whyItMatters":"Not federally regulated for health; affects scaling and taste.","measured":{"value":6.4,"low":6,"high":6.4,"kind":"range","display":"6–6.4","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"6-6.4"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":6.4,"low":6,"high":6.4,"kind":"range","display":"6–6.4","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"6-6.4"},{"value":6.2,"low":null,"high":null,"kind":"point","display":"6.2","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"6.2"}]},{"analyteId":"ecoli","name":"Escherichia coli (E. coli)","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"Escherichia coli — bacteria found in the gut of humans and animals.","whyItMatters":"Its presence in drinking water indicates fecal contamination and a real risk of waterborne illness.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Total No. of Detections","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[{"context":"plant:Total No. of Detections","label":"Total No. of Detections","kind":"plant","units":"","average":null,"range":null,"ratio":null},{"context":"plant:No. of Detections","label":"No. of Detections","kind":"plant","units":"","average":null,"range":null,"ratio":null}],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"reported_level","samplingContext":"plant:Total No. of Detections","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","rawVerbatim":"0"},{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","rawVerbatim":"0"}]},{"analyteId":"total_coliform","name":"Total Coliform","family":"microbial","familyLabel":"Microbial","casrn":null,"whatItIs":"A group of bacteria used as an indicator of overall water-system sanitation.","whyItMatters":"Coliforms themselves are usually harmless, but their presence signals that disease-causing organisms could enter the system.","measured":{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","censored":false,"detectionLimit":null,"rawVerbatim":"0"},"federalStandard":null,"status":{"key":"none","label":"None detected"},"breakdowns":[],"measurements":[{"value":0,"low":null,"high":null,"kind":"point","display":"0","units":null,"statisticType":"max_single","samplingContext":"plant:No. of Detections","rawVerbatim":"0"}]},{"analyteId":"nitrate_nitrite","name":"Nitrate Nitrite","family":"other","familyLabel":"Other","casrn":null,"whatItIs":null,"whyItMatters":null,"measured":{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.86-3.26"},"federalStandard":{"type":"MCL","value":10,"units":null,"enforceable":true},"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":3.06,"low":null,"high":null,"kind":"point","display":"3.06","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.06"},{"value":3.26,"low":2.86,"high":3.26,"kind":"range","display":"2.86–3.26","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"2.86-3.26"}]},{"analyteId":"ph","name":"pH","family":"physical_aggregate","familyLabel":"Physical & aggregate","casrn":null,"whatItIs":"A measure of how acidic or basic the water is.","whyItMatters":"Regulated only as a secondary standard; very low or high pH can corrode pipes or affect taste.","measured":{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":null,"statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"7.6"},"federalStandard":null,"status":{"key":"detected","label":"Detected — no federal limit"},"breakdowns":[],"measurements":[{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":null,"statisticType":"range","samplingContext":"system","rawVerbatim":"7.6"},{"value":7.6,"low":null,"high":null,"kind":"point","display":"7.6","units":null,"statisticType":"reported_level","samplingContext":"system","rawVerbatim":"7.6"}]}]}}