{"dataset":{"name":"U.S. Drinking Water Quality — Contaminant Measurements","license":"https://creativecommons.org/licenses/by/4.0/","homepage":"https://www.thewatermap.com"},"meta":{"generatedAt":"2026-05-25T20:12:36.440Z"},"system":{"slug":"metro__098__cape-coral","name":"Cape Coral","state":"FL","year":2024,"url":"https://www.thewatermap.com/water/fl/cape-coral/2024","apiUrl":"https://www.thewatermap.com/api/water/fl/cape-coral/2024","markdownUrl":"https://www.thewatermap.com/water/fl/cape-coral/2024/llms.txt","coordinates":{"latitude":26.5625742,"longitude":-81.9438802},"contaminantsMeasured":11,"contaminantsWithFederalLimit":11,"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":"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,"low":0.21,"high":3,"kind":"range","display":"0.21–3","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.21-3.0"},"federalStandard":{"type":"MRDL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3,"low":0.21,"high":3,"kind":"range","display":"0.21–3","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.21-3.0"},{"value":1.34,"low":null,"high":null,"kind":"point","display":"1.34","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.34"}]}]},{"family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","contaminants":[{"analyteId":"haa5","name":"HAA5","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.","whyItMatters":"Long-term exposure above the federal limit is associated with an increased cancer risk.","measured":{"value":9.88,"low":2.7,"high":9.88,"kind":"range","display":"2.7–9.88","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.70-9.88"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":9.88,"low":2.7,"high":9.88,"kind":"range","display":"2.7–9.88","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"2.70-9.88"},{"value":5.7,"low":null,"high":null,"kind":"point","display":"5.7","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"5.70"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":33.47,"low":null,"high":null,"kind":"point","display":"33.47","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"33.47"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":33.47,"low":null,"high":null,"kind":"point","display":"33.47","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"33.47"},{"value":31.6,"low":18.1,"high":31.6,"kind":"range","display":"18.1–31.6","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"18.10 - 31.60"}]}]},{"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":0.84,"low":null,"high":null,"kind":"point","display":"0.84","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.84"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.84,"low":null,"high":null,"kind":"point","display":"0.84","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.84"},{"value":0.46,"low":null,"high":null,"kind":"point","display":"0.46","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.46"}]},{"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":0.013,"low":null,"high":null,"kind":"point","display":"0.013","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.013"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.013,"low":null,"high":null,"kind":"point","display":"0.013","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.013"}]}]},{"family":"metal","familyLabel":"Metals","contaminants":[{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.0065,"low":null,"high":null,"kind":"point","display":"0.0065","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0065"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0065,"low":null,"high":null,"kind":"point","display":"0.0065","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0065"},{"value":0.0044,"low":null,"high":null,"kind":"point","display":"0.0044","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0044"}]},{"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":0.034,"low":null,"high":null,"kind":"point","display":"0.034","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.0340"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.034,"low":null,"high":null,"kind":"point","display":"0.034","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.0340"}]},{"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":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"1.4"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"1.4"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"86"},"federalStandard":{"type":"MCL","value":160,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"86"},{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"86"}]}]},{"family":"radionuclide","familyLabel":"Radionuclides","contaminants":[{"analyteId":"combined_radium","name":"Combined Radium","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Combined radium-226 and radium-228 — naturally occurring radioactive elements.","whyItMatters":"Long-term exposure above the federal limit increases the risk of bone cancer.","measured":{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.7"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.7"},{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2.7"}]},{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.7"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.7"},{"value":2.8,"low":null,"high":null,"kind":"point","display":"2.8","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2.8"}]}]}],"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,"low":0.21,"high":3,"kind":"range","display":"0.21–3","units":"mg/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.21-3.0"},"federalStandard":{"type":"MRDL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3,"low":0.21,"high":3,"kind":"range","display":"0.21–3","units":"mg/L","statisticType":"range","samplingContext":"system","rawVerbatim":"0.21-3.0"},{"value":1.34,"low":null,"high":null,"kind":"point","display":"1.34","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"1.34"}]},{"analyteId":"haa5","name":"HAA5","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.","whyItMatters":"Long-term exposure above the federal limit is associated with an increased cancer risk.","measured":{"value":9.88,"low":2.7,"high":9.88,"kind":"range","display":"2.7–9.88","units":"ug/L","statisticType":"range","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"2.70-9.88"},"federalStandard":{"type":"MCL","value":60,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":9.88,"low":2.7,"high":9.88,"kind":"range","display":"2.7–9.88","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"2.70-9.88"},{"value":5.7,"low":null,"high":null,"kind":"point","display":"5.7","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"5.70"}]},{"analyteId":"tthm","name":"TTHM","family":"disinfection_byproduct","familyLabel":"Disinfection byproducts","casrn":null,"whatItIs":"Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.","whyItMatters":"Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.","measured":{"value":33.47,"low":null,"high":null,"kind":"point","display":"33.47","units":"ug/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"33.47"},"federalStandard":{"type":"MCL","value":80,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":33.47,"low":null,"high":null,"kind":"point","display":"33.47","units":"ug/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"33.47"},{"value":31.6,"low":18.1,"high":31.6,"kind":"range","display":"18.1–31.6","units":"ug/L","statisticType":"range","samplingContext":"system","rawVerbatim":"18.10 - 31.60"}]},{"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":0.84,"low":null,"high":null,"kind":"point","display":"0.84","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.84"},"federalStandard":{"type":"MCL","value":4,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.84,"low":null,"high":null,"kind":"point","display":"0.84","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.84"},{"value":0.46,"low":null,"high":null,"kind":"point","display":"0.46","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.46"}]},{"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":0.013,"low":null,"high":null,"kind":"point","display":"0.013","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.013"},"federalStandard":{"type":"MCL","value":10,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.013,"low":null,"high":null,"kind":"point","display":"0.013","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.013"}]},{"analyteId":"barium","name":"Barium","family":"metal","familyLabel":"Metals","casrn":"7440-39-3","whatItIs":"A metal from erosion of natural deposits and industrial discharge.","whyItMatters":"Long-term exposure above the federal limit can raise blood pressure.","measured":{"value":0.0065,"low":null,"high":null,"kind":"point","display":"0.0065","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"0.0065"},"federalStandard":{"type":"MCL","value":2,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.0065,"low":null,"high":null,"kind":"point","display":"0.0065","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0065"},{"value":0.0044,"low":null,"high":null,"kind":"point","display":"0.0044","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"0.0044"}]},{"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":0.034,"low":null,"high":null,"kind":"point","display":"0.034","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"0.0340"},"federalStandard":{"type":"AL","value":1.3,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":0.034,"low":null,"high":null,"kind":"point","display":"0.034","units":"mg/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"0.0340"}]},{"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":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","censored":false,"detectionLimit":null,"rawVerbatim":"1.4"},"federalStandard":{"type":"AL","value":15,"units":"ug/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":1.4,"low":null,"high":null,"kind":"point","display":"1.4","units":"ug/L","statisticType":"p90","samplingContext":"at_the_tap","rawVerbatim":"1.4"}]},{"analyteId":"sodium","name":"Sodium","family":"metal","familyLabel":"Metals","casrn":"7440-23-5","whatItIs":"A naturally occurring salt component.","whyItMatters":"Not federally regulated for health; relevant for people on sodium-restricted diets.","measured":{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"mg/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"86"},"federalStandard":{"type":"MCL","value":160,"units":"mg/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"86"},{"value":86,"low":null,"high":null,"kind":"point","display":"86","units":"mg/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"86"}]},{"analyteId":"combined_radium","name":"Combined Radium","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Combined radium-226 and radium-228 — naturally occurring radioactive elements.","whyItMatters":"Long-term exposure above the federal limit increases the risk of bone cancer.","measured":{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.7"},"federalStandard":{"type":"MCL","value":5,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.7"},{"value":2.7,"low":null,"high":null,"kind":"point","display":"2.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2.7"}]},{"analyteId":"gross_alpha","name":"Gross Alpha","family":"radionuclide","familyLabel":"Radionuclides","casrn":null,"whatItIs":"Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.","whyItMatters":"Long-term exposure above the federal limit increases cancer risk.","measured":{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","censored":false,"detectionLimit":null,"rawVerbatim":"3.7"},"federalStandard":{"type":"MCL","value":15,"units":"pCi/L","enforceable":true},"status":{"key":"under","label":"Within the limit"},"breakdowns":[],"measurements":[{"value":3.7,"low":null,"high":null,"kind":"point","display":"3.7","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"3.7"},{"value":2.8,"low":null,"high":null,"kind":"point","display":"2.8","units":"pCi/L","statisticType":"reported_level","samplingContext":"system","rawVerbatim":"2.8"}]}]}}