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Crystal Quest Countertop Filter
- Faucet
- Point of use
- City water
- Well water
- Complete system
- No listing
$86.90as of 2026-09-10MSRP $86.90 as of 2026-09-10
Secondary sourceVerified 2026-09-10Retailer listing
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Our verdict on the Crystal Quest Countertop Filter
The Crystal Quest SMART Countertop Water Filter System is a faucet-diverter countertop unit whose SMART cartridge is independently lab-tested to reduce chlorine by an average 96.0% (IAPMO R&T report 2295-20618, NSF/ANSI 42 method), while the brand separately markets the same cartridge for chloramine and heavy-metal reduction with no certifier listing behind that claim. It requires a potable, cold water supply within the manual's 30-60 psi operating range, and no listing was found in the NSF, IAPMO R&T, and WQA directories as of 2026-09-10.[1][2][3][4][5][6]
Best for
- Buyers on a municipal water supply who want a point-of-use countertop filter that connects to a kitchen faucet and operates within a 30-60 psi supply line.
Not for
- Buyers whose well water is untested or of unknown microbiological quality and who have no disinfection step before or after the system, because the manual limits the system to a potable, safe-to-drink water supply and warns against using it on microbiologically unsafe or unknown-quality water without adequate disinfection before or after the system.
- Installations where supply pressure or temperature fall outside the manual's published 30-60 psi / 40-85°F operating range.
Primary sourceVerified 2026-09-10Brand officialManufacturer datasheetNSF listingIAPMO listingWQA listing
Certification check: Crystal Quest Countertop Filter
No listing found in the NSF, IAPMO R&T, and WQA directories as of 2026-09-10.
| Directory | Result | Listing |
|---|---|---|
| NSF | No listing found (checked 2026-09-10) | View listing |
| IAPMO R&T | No listing found (checked 2026-09-10) | View listing |
| WQA | No listing found (checked 2026-09-10) | View listing |
Claimed vs. certified: Crystal Quest Countertop Filter
| Contaminant | Status | Third-party listing | What the brand says |
|---|---|---|---|
| aluminum | Marketed only | No entry |
|
| benzene | Marketed only | No entry |
|
| chloramine | Marketed only | No entry |
|
| chlorine | Marketed only | No entry |
|
| copper | Marketed only | No entry |
|
| fluoride | Marketed only | No entry |
|
| herbicides | Marketed only | No entry |
|
| insecticides | Marketed only | No entry |
|
| lead | Marketed only | No entry |
|
| MTBEs | Marketed only | No entry |
|
| PCBs | Marketed only | No entry |
|
| pesticides | Marketed only | No entry |
|
| petroleum byproducts | Marketed only | No entry |
|
| pharmaceutical by-products | Marketed only | No entry |
|
| trihalomethanes (THMs) | Marketed only | No entry |
|
| volatile organic compounds (VOCs) | Marketed only | No entry |
|
| water hardness | Marketed only | No entry |
|
What the Crystal Quest Countertop Filter does not do
The system is not designed to treat microbiologically unsafe water or water of unknown quality; the manual restricts it to a potable, safe-to-drink, cold water supply and warns against use on such water without disinfection before or after the system. The Crystal Quest Countertop Filter's recorded operating limits are operating pressure at least 30 psi and up to 60 psi, operating temperature at least 40 °F and up to 85 °F, verified 2026-09-10.
The system is not designed to treat microbiologically unsafe water or water of unknown quality; the manual restricts it to a potable, safe-to-drink, cold water supply and warns against use on such water without disinfection before or after the system.[1]
Primary sourceVerified 2026-09-10Manufacturer datasheet
It is not designed for hot-water lines; the manual specifies a cold, potable water supply only, with a maximum rated operating temperature of 85°F.[1]
Primary sourceVerified 2026-09-10Manufacturer datasheet
Operating limits
| Parameter | Limit | What it means |
|---|---|---|
| operating pressure | at least 30 psi and up to 60 psi[1] | Published manual operating range for the Countertop Replaceable Water Filter System. Primary sourceVerified 2026-09-10Manufacturer datasheet |
| operating temperature | at least 40 °F and up to 85 °F[1] | Published manual operating range for the Countertop Replaceable Water Filter System. Primary sourceVerified 2026-09-10Manufacturer datasheet |
Do not buy it for these situations
Water pressureDo not install where the supply pressure or temperature falls outside the manual's published 30-60 psi / 40-85°F operating range without resolving the mismatch first.[1]
Primary sourceVerified 2026-09-10Manufacturer datasheet
Well waterDo not use on well water that is untested or of unknown microbiological quality without adequate disinfection before or after the system; the manual limits the system to a potable, safe-to-drink water supply and warns against microbiologically unsafe or unknown-quality water used without such disinfection.[1]
Primary sourceVerified 2026-09-10Manufacturer datasheet
Fit and sizing: Crystal Quest Countertop Filter
The Crystal Quest Countertop Filter is a faucet unit installed at the point of use, for city water and well water. It is rated for 0.5 gpm of service flow, verified 2026-09-10.
| Form factor | Faucet |
|---|---|
| Installed at | Point of use (one fixture) |
| Water source | City water and Well water |
| Service flow | 0.5 gpm[1] Primary sourceVerified 2026-09-10Manufacturer datasheet |
| Dimensions | 13 in H × 5 in W × 5 in D[1] Primary sourceVerified 2026-09-10Brand official |
| Operating pressure | 30–60 psi[1] Primary sourceVerified 2026-09-10Manufacturer datasheet |
| Operating temperature | 40–85 °F[1] Primary sourceVerified 2026-09-10Manufacturer datasheet |
What the Crystal Quest Countertop Filter really costs
The Crystal Quest Countertop Filter costs $86.90 as of 2026-09-10.
DIY install[1]
Primary sourceVerified 2026-09-10Brand official
Ten-year cost of ownership
| Purchase price (as of 2026-09-10) | $86.90 |
|---|---|
| Sum of the lines above (as of 2026-09-10) | $86.90 |
This is not a ten-year total. We could not verify a replacement-cartridge cost for this product, so the recurring spend — usually the largest part of what a filter costs over ten years — is missing from the rows above.
Warranty: One-year limited warranty against defects in materials and workmanship when used in compliance with the manual; does not include replacement cartridges unless defective upon receipt. (1 years)[1]
Primary sourceVerified 2026-09-10Manufacturer datasheet
Installing the Crystal Quest Countertop Filter
Installing the Crystal Quest Countertop Filter is an easy job. DIY install, verified 2026-09-10.
Manufacturer documentation
- Install manual: https://cdn.shopify.com/s/files/1/1286/9985/files/Countetop-SingleDoubleTriple-Manual24book1.pdf?v=1726687996 (accessed 2026-09-10)
Ongoing maintenance
- Replace the SMART Filter Cartridge after about 10,000 gallons or 1-3 years, per Crystal Quest, or sooner if the water flow noticeably slows or stops.
- Inspect, clean, and lubricate the housing O-rings with a non-petroleum oil before reassembly; do not use coconut oil.
- Flush a new cartridge for 3-4 cycles of 5-10 minutes before drinking the water, and let the tap run at least 20 seconds before each use for drinking or cooking.
- After a vacation or other prolonged non-use, flush the system for 5-6 minutes before using it again.
Primary sourceVerified 2026-09-10Manufacturer datasheetBrand official
Track record: Crystal Quest Countertop Filter
Crystal Quest shows 4.9 out of 5 from 12 reviews as of 2026-09-10; Amazon shows 5 out of 5 from 1 reviews as of 2026-09-10.
| Source | Rating | Reviews | As of |
|---|---|---|---|
| Crystal Quest | 4.9 out of 5 | 12 | 2026-09-10 |
| Amazon | 5 out of 5 | 1 | 2026-09-10 |
What owners praise
Among the product's dozen on-site reviews, several owners said the system made their water taste noticeably better and was easy to install; one owner with well water reported it helped with a metallic smell and high lime content.[1]
Secondary sourceVerified 2026-09-10Brand official
What owners complain about
One repeat buyer, on a third purchase, said the only downside was the price of replacement filters.[1]
Secondary sourceVerified 2026-09-10Brand official
Recalls and litigation
LitigationCalifornia's Proposition 65 enforcement record (AG Number 2011-00606) shows a 60-day notice filed 2011-07-01 by the Center for Environmental Health against Quest Technologies, Inc. and Crystal Quest Manufacturing alleging arsenic (inorganic arsenic compounds) in drinking water filtration systems, followed by a civil complaint filed 2011-09-28 (CEH v. Crystal Quest Mfg., et al., Marin County Superior Court CIV-1104806). A settlement with Quest Technologies, Inc. was reported 2012-08-08 (total payments $36,000: a $4,671 civil penalty, $6,999 payment in lieu of penalty, and $24,330 in attorney's fees and costs), and a judgment pursuant to that settlement was entered 2012-12-12. The consent judgment covers Quest Technologies, Inc.'s “residential and commercial point of entry and point of use drinking water filtration systems utilizing activated carbon filters” and their replacement filters, and requires that such products not leach arsenic above 5 parts per billion under the test protocol it specifies. The judgment states that by executing it, the Defendant “does not admit any issue of fact or law” and “denies that any violations whatsoever have occurred.” (2012-12-12)
https://oag.ca.gov/prop65/60-Day-Notice-2011-00606
Primary sourceVerified 2026-09-10Government agencyUnverified
The Crystal Quest Countertop Filter against its family and its rivals
The Crystal Quest Countertop Filter has 2 siblings in its family: Classic Countertop Water Filter System, Lead Countertop Water Filter System. Search demand pairs it with Rorra Countertop System, iSpring CKC1 / DGF2 Countertop.
The rest of the family
| Model | What differs |
|---|---|
| Classic Countertop Water Filter System | Single-housing only (no Double/Triple option) but offers a built-in filter-type choice (SMART Plus/Ultra/Ultimate, Arsenic, Fluoride, or Nitrate Removal cartridges) instead of add-on cartridge stages; SKU CQE-CT-00100, from $104.00 as of 2026-09-10. |
| Lead Countertop Water Filter System | Single configuration (SKU CQE-CT-00164, from $130.90 as of 2026-09-10) uses a dedicated 1/2-micron “Lead & Cyst removal carbon block” cartridge instead of the SMART cartridge; its Double and Triple configurations add the SMART cartridge alongside it. No NSF, IAPMO R&T, or WQA listing was found for this line as of 2026-09-10. |
Cross-shopped against
| Rival | Why this pair |
|---|---|
| Rorra Countertop System | Approved build list: 2,350 total monthly search volume for another countertop-filter page. |
| iSpring CKC1 / DGF2 Countertop | Approved build list: 960 total monthly search volume for a gravity-fed countertop competitor. |
Crystal Quest Countertop Filter questions, answered
What does live certification checking show for the Crystal Quest SMART Countertop system?
Verified health claim
Certification check: no listing found in the NSF, IAPMO R&T, and WQA directories as of 2026-09-10. Separately, Crystal Quest's own brand-hosted IAPMO R&T Lab report (2295-20618, issued November 12, 2020) shows that two samples of model CQE-CT-00103 averaged a 96.0% chlorine reduction (95.1% and 96.9% per sample, with a minimum single-point reduction of 90.4%) through 500 gallons, evaluated per the NSF/ANSI 42 chlorine-reduction test method; that report documents a compliance test performed by IAPMO R&T Lab, a third-party testing lab, and commissioned by Crystal Quest — not a certifier directory listing.
Does the Crystal Quest Countertop System remove lead?
Verified health claim
Crystal Quest's own product page says the SMART cartridge's ion exchange resin reduces heavy metals including lead, copper, aluminum and water hardness; this is a brand marketing claim rather than a certified reduction claim, since no listing was found in the NSF, IAPMO R&T, or WQA directories for this product as of 2026-09-10. Crystal Quest also sells a separate Lead Countertop Water Filter System, whose Single configuration (the line's base SKU) uses a dedicated 1/2-micron “Lead & Cyst removal carbon block” cartridge instead of the SMART cartridge, while its Double and Triple configurations add the SMART cartridge alongside it.
How long does the SMART Countertop filter cartridge last?
Can the Crystal Quest Countertop System be used on well water?
Verified health claim
Crystal Quest's manual requires a potable, safe-to-drink water supply and warns against using the system on microbiologically unsafe or unknown-quality water without adequate disinfection before or after the system; its own important-information note tells owners to “Ask your local water municipality for a copy of their water analysis or have your private well tested by a reputable water testing lab,” rather than excluding well water outright. Two of the product's on-site customer reviews describe using it successfully on well water, including one reporting improvement to a metallic smell and high lime content.
Is Crystal Quest a legitimate water filter brand?
Verified health claim
Crystal Quest is an operating water-treatment manufacturer that sells this exact SMART Countertop system directly on crystalquest.com and on Amazon, with 12 on-site customer reviews averaging 4.9 out of 5 as of 2026-09-10 and a brand-hosted IAPMO R&T Lab compliance report for chlorine reduction; no listing was found in the NSF, IAPMO R&T, and WQA directories for this product as of 2026-09-10.
What is the difference between the Single, Double, and Triple SMART Countertop configurations?
The Single configuration (SKU CQE-CT-00103) uses only the SMART Filter Cartridge; Double (CQE-CT-00106) adds a Carbon Block Filter Cartridge stage; and Triple (CQE-CT-00109) adds both a Sediment Filter Cartridge and a Carbon Block Filter Cartridge stage, per Crystal Quest's own replacement-cartridge compatibility table.
Sources: [1]
Sources and data report: Crystal Quest Countertop Filter
Every figure above is taken from the highest-trust source that carries it and re-derived from that source by a separate check. How we verify product data.
What we could not establish, and why
| Field | Why it is blank |
|---|---|
| seo.cluster.primary.kd | The approved build-list row carries no Ahrefs keyword-difficulty score for this term; Ahrefs API units were exhausted at research time and no live KD lookup was attempted. |
| identity.family | Crystal Quest sells this alongside several other distinctly named countertop systems (Classic, Fluoride, Nitrate, Arsenic, Lead, 80,000 Gallon, Ceramic) without a shared formal family/series name; 'SMART' names the cartridge chemistry rather than a product family. |
| certified.certIndexKey | The local certification index's crystal-quest.json file (generated 2026-08-23) carries record_count: 0 with an empty records array, and repository-wide searches for CQE-CT-00103 found no match; this says nothing beyond that corpus. |
| mechanism.treatmentMethods | The SMART cartridge's own media list (coconut-shell GAC and catalytic GAC, Eagle Redox Alloy 6500/9500, anion exchange resin, and an ion-exchange resin for heavy metals) cannot be faithfully represented in the closed treatment-method vocabulary without approximating the proprietary ERA redox alloy as kdf or the heavy-metal ion-exchange resin as ion-exchange-softener, which this record treats as an unacceptable approximation. |
| fit.bathroomsServed | The product page and manual publish no bathroom-count rating for this point-of-use countertop filter. |
| fit.householdSize | The product page and manual do not publish a supported household-size range for this model. |
| fit.roOutputGpd | This is a carbon/redox-media countertop filter, not a reverse-osmosis system, so the reviewed sources publish no RO output rating. |
| fit.roTankCapacity | This is a countertop filter with no RO storage tank; the reviewed sources publish no tank-capacity value. |
| fit.connectionSize | The manual says included adapters fit most kitchen faucets but does not publish a specific thread size or connection diameter for this model. |
| fit.requiresElectricity | The product page and manual describe a passive, diverter-valve installation but do not explicitly state an electricity requirement as a specification. |
| fit.requiresDrain | The product page and manual do not explicitly publish whether a drain connection is required for this countertop system. |
| cost.replacementSchedule | Crystal Quest publishes an 18-36 month cartridge-life range and a $59.00 SMART Filter Cartridge price (crystalquest.com site search, as of 2026-09-10), implying an annual range rather than a single figure; the schema accepts only a single interval and annual cost, so choosing one endpoint would misstate the source. |
| cost.tenYearTotalUsd | A single ten-year total cannot be derived honestly while the cited replacement schedule is itself null for the same range reason. |
| cost.wasteRatio | This is not a reverse-osmosis system, and the product page and manual publish no waste-to-product ratio. |
| cost.moneyBackGuarantee | Crystal Quest's site-wide Terms and Policies describe a restricted 30-day return process for new, unused products with discretionary approval and a possible 30% restocking fee, not an unconditional product money-back guarantee. |
| install.estimatedHours | The brand page says installation takes 'seconds' but publishes no specific minute or hour figure for this exact model. |
| install.video | No installation video specific to the SMART Countertop Water Filter System (CQE-CT-00103) was found and browser-verified; the general-title 'How to Change Water Filter Crystal Quest' YouTube result appearing in search is not confirmed to cover this exact model. |
| comparisons.familyCertNote | The live NSF, IAPMO R&T, and WQA checks did not return a listing that could support a family-wide certification-scope statement. |
| seo.verification | The independent verify loop has not yet run; this field is reserved for its verification stamp. |
Every source behind this page
- Brand officialaccessed: 2026-09-10https://crystalquest.com/products/smart-countertop-water-filter-system
- The current SMART Countertop Water Filter System page offers the product for sale with an in-stock Add to cart control across all six Configuration/Color variants.
- The brand describes a diverter valve that switches between filtered and unfiltered water, sitting on the counter and connecting to a kitchen faucet.
- The SMART Water Filter Cartridge blend is described as reducing heavy metals, chlorine and chloramine.
- The Single, Double and Triple configurations are described as expandable options of the same system.
- The current Specifications tab's Dimensions table gives 5"L x 13"H x 5"W for the Single / Polypropylene configuration.
- The current brand page displays a Regular price of $86.90 for the default Single / White (Polypropylene) configuration, SKU CQE-CT-00103.
- The brand page says the countertop system installs in seconds, sits on the counter, and connects easily to any kitchen faucet.
- The brand page describes an installs-in-seconds, diverter-valve setup that connects to any kitchen faucet with no plumber mentioned.
- The brand page's Benefits list states the system provides 10,000 gallons of filtered water (1-3 years), or when the flow of water automatically stops or slows down greatly.
- The product's Customer Reviews section includes owner reports of easier-tasting water, easy installation, and one owner describing improvement to well water with high lime content and an occasional metallic smell.
- A review dated 05/11/2026 from a self-described third-time purchaser says the only downside is the price of replacement filters.
- The brand page states that water flows through ion exchange resins, reducing heavy metals such as lead, copper, aluminum, and water hardness.
- The Benefits list states the system provides 10,000 gallons of filtered water (1-3 years), or when the flow of water automatically stops or slows down greatly.
- The product's Customer Reviews section includes a review titled “3-stage filter” stating “I have well water with high lime content and an occasional metallic smell, and it's made the water drinkable,” and a separate review titled “Perfect replacement” stating “An excellent system for well water in Florida.”
- The product page shows 12 customer reviews averaging 4.9 out of 5 as of the access date, sold directly by Crystal Quest.
- The Parts & Components tab's Replacement Cartridges table shows the Sediment Filter Cartridge only in Triple, the SMART Filter Cartridge in all three, and the Carbon Block Filter Cartridge in Double and Triple.
- Manufacturer datasheetaccessed: 2026-09-10https://cdn.shopify.com/s/files/1/1286/9985/files/Smart_CT_Chlorine_Test_CQE-CT-00103_2020_2295-20618_Chlorine_Pass.pdf?v=1618941784
- The IAPMO R&T Lab report for model CQE-CT-00103 (report 2295-20618) records a COMPLIED result for NSF/ANSI 42 chlorine reduction, with an average 96.0% reduction across two samples (95.1% and 96.9%) and a minimum single-point reduction of 90.4%.
- The IAPMO R&T Lab report for model CQE-CT-00103 (report 2295-20618, issued November 12, 2020) records a COMPLIED result for NSF/ANSI 42 chlorine reduction, with a 95.1% average reduction for Sample #1, 96.9% for Sample #2, 96.0% averaged across both samples, and a 90.4% minimum single-point reduction, through 500 gallons.
- The IAPMO R&T Lab report identifies Quest Technologies Inc dba Crystal Quest Water Filters at 55 Chastin Road, Suite 100, Kennesaw, Georgia as the entity that commissioned testing of model CQE-CT-00103.
- Manufacturer datasheetaccessed: 2026-09-10https://cdn.shopify.com/s/files/1/1286/9985/files/Countetop-SingleDoubleTriple-Manual24book1.pdf?v=1726687996
- The operating-specifications table gives a pressure range of 30-60 psi and a temperature range of 40-85°F.
- The manual instructs use on a potable, safe-to-drink, cold water supply only and warns against microbiologically unsafe or unknown-quality water without disinfection before or after the system.
- The manual's important-information section instructs use only on a potable (safe-to-drink) cold water supply and warns not to use the system with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
- The manual instructs installation on a cold water supply only, not the hot water line, and its operating-specifications table gives a temperature range of 40-85°F.
- The operating-specifications table gives a pressure range of 30-60 psi (2.1-4.2 bar).
- The operating-specifications table gives a temperature range of 40-85°F (4.4-29.4°C).
- The manual publishes 30-60 psi and 40-85°F as the product's operating pressure and temperature ranges.
- The manual's important-information section instructs use only on a potable, safe-to-drink, cold water supply and warns against water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.
- The manual's operating-specifications table gives a Rated Service Flow of 0.3-0.5 gpm; 0.5 gpm is recorded here as the rated maximum, which matches the current brand product-page specifications tab's Max Flow Rate of 0.5 gpm.
- The operating-specifications table gives a pressure range of 30-60 psi.
- The operating-specifications table gives a temperature range of 40-85°F.
- The manual states a one-year limited warranty against defects in materials and workmanship for the Countertop Replaceable Water Filter System, excluding replacement cartridges unless defective on receipt.
- The manual's diverter-valve-to-faucet installation section says included adapters fit most faucets and describes no separate tool as required for that step; a sump wrench is only used later for cartridge replacement.
- Official Crystal Quest Countertop Replaceable Water Filter System installation, operation, maintenance, operating-range, and warranty instructions covering the Single/Double/Triple SMART configurations.
- The manual gives O-ring maintenance, new-cartridge flushing, tap-run-before-use, and post-vacation flushing instructions.
- The manual's replacement-parts table rates the SMART Plus Filter Cartridge (CQE-RC-04002) at an 18-36 month lifetime expectancy.
- The manual's NOTE states “Ask your local water municipality for a copy of their water analysis or have your private well tested by a reputable water testing lab,” addressing both municipal and private-well owners rather than excluding well water.
- NSF listingaccessed: 2026-09-10https://info.nsf.org/Certified/DWTU/Listings.asp?CompanyName=Crystal+Quest&
- The NSF DWTU directory returned No Matching Products Found for CompanyName Crystal Quest.
- IAPMO listingaccessed: 2026-09-10https://pld.iapmo.org/
- IAPMO R&T's Product Listing Directory returned 0 of 0 results (No data found) for Listee Name Crystal Quest and for Listed Model CQE-CT-00103, with a control search for Listee Name Kohler confirmed to return real rows first.
- IAPMO R&T's directory returned 0 of 0 results for Listee Name Crystal Quest and for Listed Model CQE-CT-00103.
- WQA listingaccessed: 2026-09-10https://find.wqa.org/find-products#/keyword/Crystal%20Quest
- The WQA Find Gold Seal Certified Products search returned No results for keyword Crystal Quest, with a control search for keyword Culligan confirmed to return real rows first.
- The WQA search returned No results for keyword Crystal Quest and for keyword CQE-CT-00103.
- Retailer listingaccessed: 2026-09-10https://www.amazon.com/dp/B001B2RADG?tag=waterfilte0f3-20
- Amazon displayed $86.90 for the in-stock Smart Countertop Water Filter System | Crystal Quest (Single, White - Polypropylene) listing, ASIN B001B2RADG.
- Amazon lists Crystal Quest as the Brand, Manufacturer, and Shipper/Seller for this exact model; no other-sellers offer appears on the listing.
- Government agencyaccessed: 2026-09-10https://www.cpsc.gov/search?search_api_fulltext=Crystal%20Quest
- The CPSC search returned no results for Crystal Quest, with a control search for peloton confirmed to return real recall results first.
- Unverifiedaccessed: 2026-09-10https://www.bing.com/news/search?q=%22Crystal+Quest%22+water+filter+recall+lawsuit&FORM=HDRSC6
- The live Bing News query returned no results for the exact brand name combined with recall and lawsuit terms.
- Government agencyaccessed: 2026-09-10https://oag.ca.gov/prop65/60-Day-Notice-2011-00606
- The California Attorney General's Proposition 65 enforcement page for AG Number 2011-00606 lists a 60-day notice filed 07/01/2011 by the Center for Environmental Health against Quest Technologies, Inc. and Crystal Quest Manufacturing for arsenic (inorganic arsenic compounds) in drinking water filtration systems; a civil complaint filed 09/28/2011 (CEH v. Crystal Quest Mfg., et al., Marin County Superior Court CIV-1104806); a settlement with Quest Technologies, Inc. reported 08/08/2012 with total payments of $36,000 ($4,671 civil penalty, $6,999 payment in lieu of penalty, $24,330 attorney's fees and costs); and a judgment pursuant to that settlement dated 12/12/2012.
- Government agencyaccessed: 2026-09-10https://oag.ca.gov/system/files/prop65/settlements/2011-00606S2184.pdf
- The consent judgment as to Quest Technologies, Inc. dba Crystal Quest Mfg. (Marin County Superior Court CIV-1104806) covers “residential and commercial point of entry and point of use drinking water filtration systems utilizing activated carbon filters” and their replacement filters; requires that after the Final Compliance Date such products not leach arsenic above 5 parts per billion using the test protocol specified in the judgment; and states that by executing the judgment, Defendant “does not admit any issue of fact or law” and “denies that any violations whatsoever have occurred.”
- Brand officialaccessed: 2026-09-10https://crystalquest.com/products/lead-countertop-water-filter-system
- The Lead Countertop Water Filter System's Parts & Components table shows the Lead Filter Cartridge (CQE-RC-04148) in all three configurations, the SMART Filter Cartridge (CQE-RC-04002) only in the Double and Triple configurations (not the Single), and the Single configuration as SKU CQE-CT-00164 at $130.90.
Cite this page
TapWaterData Editorial. "Crystal Quest Countertop Filter Review: Certs & Cost." TapWaterData, verified 2026-09-10. https://www.tapwaterdata.com/filters/brand/crystal-quest/countertop
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