{"product_id":"well-water-test-kit-california","title":"California Well Water Test Kit: Independent Certified Lab Analysis (53 Contaminants)","description":"\u003cp\u003eWell water test kit for California private-well households, covering 53 EPA-relevant contaminants including arsenic, lead, hexavalent chromium screening, uranium, total coliform, E. coli, nitrate, hardness, pH, and iron, processed by a California-routed NELAP-accredited lab with results in 5 to 10 business days.\u003c\/p\u003e\n\u003cp\u003eAn independent certified-lab mail-in well water test kit for California private-well households, covering 53 EPA-relevant contaminants (heavy metals at parts-per-billion ICP-MS detection including arsenic, lead, uranium, hexavalent chromium screening via total chromium, total coliform and E. coli bacteria, pH, hardness, iron, manganese, nitrate, fluoride, sulfate, chloride, and the full primary and secondary EPA panel), processed by an NELAP-accredited lab partner network, delivered with a free expert phone consultation to interpret your results.\u003c\/p\u003e\n\n\u003cp\u003eEach kit ships with color-coded sample collection bottles pre-loaded with the correct preservatives for each analyte, a printed instruction sheet, a chain-of-custody form, a sample collection bag, and a pre-paid return shipping label. You collect roughly 250 to 500 mL of water from your kitchen cold-water tap (the instructions walk you through it in 5 to 10 minutes), seal the bottles in the bag, drop the package at the carrier, and the lab receives it within 1 to 2 business days. The lab analyzes your samples using EPA Method 200.8 ICP-MS for metals, EPA Method 300.0 ion chromatography for anions, IDEXX Colilert for bacteria, and electrometric methods for pH and conductivity. End-to-end timeline is approximately 10 business days from order to results.\u003c\/p\u003e\n\n\u003cp\u003eIf you are unsure whether this is the right kit for your California well, watch the canonical 2026 buying guide before ordering: \"Best Well Water Test Kit (2026): 53 Contaminants, Certified Lab\" walks through what an independent lab catches that test strips miss, why mail-in lab analysis is the right baseline for a private well, and how to interpret the headline EPA contaminants. Watch it at https:\/\/youtube.com\/watch?v=ltv4ldhwlLY. After your results come back, the companion video \"Your Well Water Test Results Explained\" (https:\/\/youtube.com\/watch?v=ssjvruiS-sk) walks through how to read the Tap Score dashboard line by line.\u003c\/p\u003e\n\n\u003cp\u003eFree expert consultation: Aidan at 800-460-5810, 7 days a week, 8 AM to 5 PM Eastern. After your lab results come back, send them to us and Aidan will interpret them line by line, recommend treatment if needed, or tell you the water is fine. No upsell, no commission. We are an online-only national ecommerce business shipping to all 50 states; this consultation is remote.\u003c\/p\u003e\n\n\u003cp\u003eCalifornia private wells face PFAS contamination in multiple regions, arsenic in central valley wells (the highest-arsenic groundwater region in the United States), hexavalent chromium in the San Joaquin Valley, perchlorate from former rocket-fuel sites in San Bernardino, and nitrate from Central Valley agriculture. The 53-contaminant panel covers the full EPA primary set. CA private well households should test annually given the regional risk profile, especially if your well is in the Central Valley, the San Joaquin Valley, the Inland Empire, or any area downgradient of historical military, industrial, or agricultural activity.\u003c\/p\u003e\n\n\u003cp\u003eWhat this kit catches that test strips do not: lab-grade ICP-MS detection at parts-per-billion is two to three orders of magnitude more accurate than the colorimetric strips sold at hardware stores. Strips give you a rough color-match read on hardness, pH, and chlorine. They cannot quantify arsenic, lead, uranium, chromium, or any individual heavy metal at the trace levels that matter for health. They cannot detect bacteria. They cannot tell you whether your nitrate is at 2 ppm or 20 ppm. The lab can.\u003c\/p\u003e\n\n\u003cp\u003eCommon contaminants this kit tests for include arsenic, lead, uranium, mercury, cadmium, chromium (total, with hexavalent chromium screened via the total chromium reading), copper, nickel, selenium, antimony, barium, beryllium, thallium, zinc, aluminum, silver, iron, manganese, calcium, magnesium, sodium, potassium, strontium, total coliform bacteria, E. coli, nitrate as N, nitrite as N, fluoride, chloride, sulfate, boron, phosphorus, silica, pH, total hardness, alkalinity, total dissolved solids (TDS), turbidity, conductivity, and the langelier saturation index.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eDetects lead at the same parts-per-billion threshold the EPA uses to set its 15 ppb action level, revealing lead leaching from older California home plumbing or historical lead service lines that no annual report can detect at your household tap.\u003c\/li\u003e\n  \u003cli\u003eDetects arsenic at low parts-per-billion (the EPA MCL is 10 ppb, and California Central Valley well arsenic is the worst groundwater arsenic profile in the United States), so you find out whether your well is below, at, or above the federal action level before you drink another glass.\u003c\/li\u003e\n  \u003cli\u003eQuantifies total chromium at parts-per-billion, which is the standard screening test for hexavalent chromium concerns in the San Joaquin Valley and Inland Empire (a follow-up dedicated hex-chrome test is recommended if total chromium comes back elevated).\u003c\/li\u003e\n  \u003cli\u003eTests for E. coli and Total Coliform bacteria using IDEXX Colilert, the gold-standard 24-hour colorimetric method that the EPA itself accepts for compliance monitoring.\u003c\/li\u003e\n  \u003cli\u003eMeasures nitrate as N at sub-ppm precision, the right tool for private wells anywhere in the Central Valley, the Salinas Valley, or any agricultural region where field runoff has been documented.\u003c\/li\u003e\n  \u003cli\u003eIncludes the full EPA primary set (the contaminants with health-based maximum contaminant levels) plus the EPA secondary set (the contaminants regulated for taste, odor, and aesthetic acceptability), so a single test characterizes your water comprehensively rather than ten separate single-contaminant strips.\u003c\/li\u003e\n  \u003cli\u003eFree expert phone interpretation included with every kit. After your lab report is delivered, Aidan walks through it with you and recommends treatment only if the chemistry actually justifies it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTest Type: mail-in independent certified laboratory water analysis (SimpleLab Tap Score panel)\u003c\/li\u003e\n  \u003cli\u003eWater Source: private well water (groundwater, household tap)\u003c\/li\u003e\n  \u003cli\u003eContaminants Tested: 53 analytes covering EPA primary and secondary drinking water standards\u003c\/li\u003e\n  \u003cli\u003eBacteria Panel: E. coli and Total Coliform (presence\/absence)\u003c\/li\u003e\n  \u003cli\u003eHeavy Metals Panel: 19 metals including arsenic, lead, mercury, cadmium, chromium, copper, uranium, aluminum, antimony, barium, beryllium, nickel, selenium, thallium, zinc, silver\u003c\/li\u003e\n  \u003cli\u003eMinerals and Treatment Indicators: iron, manganese, calcium, magnesium, sodium, potassium, strontium\u003c\/li\u003e\n  \u003cli\u003eWater Properties Panel: pH, total hardness, alkalinity, total dissolved solids (TDS), turbidity, conductivity, langelier saturation index\u003c\/li\u003e\n  \u003cli\u003eInorganics Panel: chloride, fluoride, nitrate as N, nitrite as N, sulfate, boron, phosphorus, silica\u003c\/li\u003e\n  \u003cli\u003eDetection Method: EPA 200.8 ICP-MS for metals, EPA 300.0 ion chromatography for anions, IDEXX Colilert for bacteria, electrometric for pH and conductivity\u003c\/li\u003e\n  \u003cli\u003eDetection Limit: parts-per-billion (ppb) for heavy metals, parts-per-million (ppm) for minerals, MPN\/100mL for bacteria\u003c\/li\u003e\n  \u003cli\u003eLab Accreditation: NELAP-accredited and EPA-certified partner laboratory network (state-routed by SimpleLab)\u003c\/li\u003e\n  \u003cli\u003eKit Contents: color-coded sample collection bottles with required preservatives, instruction sheet, chain-of-custody form, pre-paid return shipping label, sample collection bag\u003c\/li\u003e\n  \u003cli\u003eSample Volume Required: approximately 250 to 500 mL collected from the kitchen cold-water tap\u003c\/li\u003e\n  \u003cli\u003eSample Collection Time: 5 to 10 minutes at the kitchen sink\u003c\/li\u003e\n  \u003cli\u003eReturn Shipping: pre-paid carrier label included\u003c\/li\u003e\n  \u003cli\u003eLab Turnaround: approximately 5 to 7 business days from lab receipt; total order-to-results timeline approximately 10 business days\u003c\/li\u003e\n  \u003cli\u003eResults Format: PDF report plus interactive online Tap Score dashboard with EPA MCL benchmarks, color-coded health and aesthetic scores, and per-contaminant explanations\u003c\/li\u003e\n  \u003cli\u003eExpert Interpretation Included: yes; free phone consultation with Aidan at 800-460-5810\u003c\/li\u003e\n  \u003cli\u003eGeographic Coverage: all 50 United States; SimpleLab routes specimens to nearest accredited lab partner\u003c\/li\u003e\n  \u003cli\u003eRecommended Testing Frequency: annually for total coliform bacteria and nitrate; every 2 to 3 years for the full panel; CA wells should test annually given regional arsenic, hex-chrome, perchlorate, and PFAS risk; immediately after a flood, well work, new home purchase, or noticed change in taste, odor, or color\u003c\/li\u003e\n  \u003cli\u003eBrand: Mid Atlantic Water Test Kit, powered by SimpleLab Tap Score\u003c\/li\u003e\n  \u003cli\u003eWarranty: kit replacement if collection materials arrive damaged; lab analysis quality controlled per NELAP accreditation\u003c\/li\u003e\n  \u003cli\u003eSupport Phone: 800-460-5810, 7 days a week, 8 AM to 5 PM Eastern\u003c\/li\u003e\n  \u003cli\u003eSupport Email: support@midatlanticwater.net\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended testing frequency and best uses\u003c\/h3\u003e\n\u003cp\u003eTest annually for total coliform bacteria and nitrate, and run the full 53-contaminant panel every 1 to 2 years for ongoing California private-well monitoring. Test immediately after any well work (new pump, new casing, well repair), after a flood or surface intrusion event, after a boil-water notice, when you notice a change in taste, odor, color, or staining, and as part of due diligence before buying a home with a private well. The 53-contaminant panel is the right tool for: baseline well characterization, sizing and configuring a whole-house treatment system, post-treatment verification (testing again after you install a softener, iron filter, RO, or UV to confirm the equipment is working), and troubleshooting unexplained taste, odor, staining, or skin irritation problems.\u003c\/p\u003e\n\n\u003ch3\u003eHonest limitations\u003c\/h3\u003e\n\u003cp\u003eThis is not the right product for: legal or regulatory compliance testing that requires chain-of-custody by a state-certified sampler (contact the California State Water Resources Control Board for that), real-time field testing where you need a result in the moment, dedicated PFAS-only profiling beyond what is included in the EPA primary panel (CA hot-spot residents in known PFAS impact zones may want a follow-up dedicated PFAS test after the baseline 53-contaminant panel), or under-sink RO-only screening where you only care about the post-RO water. For comprehensive private-well baseline characterization, this is the right tool. For chain-of-custody legal water sampling, contact your state environmental agency.\u003c\/p\u003e\n\n\u003ch3\u003eWarranty and kit support\u003c\/h3\u003e\n\u003cp\u003eKit replacement is included if any collection materials arrive damaged or are lost in transit. Lab analysis is quality-controlled per NELAP accreditation standards, with internal blanks, duplicates, and spike recovery checks built into every batch. Customer support is available by phone at 800-460-5810 (7 days a week, 8 AM to 5 PM Eastern) and by email at support@midatlanticwater.net. Your results are confidential and you own the report.\u003c\/p\u003e\n","brand":"Mid Atlantic Water","offers":[{"title":"Default Title","offer_id":54059997102364,"sku":null,"price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/9523\/4605\/files\/3rd-party_824d8e7e-b341-4348-8a90-e41e4ea18d55.png?v=1776873065","url":"https:\/\/midatlanticwater.net\/products\/well-water-test-kit-california","provider":"Mid Atlantic Water","version":"1.0","type":"link"}