Water filters certified to remove Microcystin
Algal-bloom liver toxin; EPA health advisory 0.3-1.6 ug/L. Summer surface-water blooms (e.g. Lake Erie).
"Certified" means the model is listed in the NSF, WQA, or IAPMO public database as reducing Microcystin — not just "tested to" a standard.
Pick the path that fits you
You can start cheap with a no-install filter, or solve it permanently with an installed system that costs far less per gallon over time. Both options below are certified to reduce Microcystin.
Amazon prices as of October 20, 2026 at 2:01 PM ET. Prices can change; the price on Amazon is the one that counts. As an Amazon Associate we earn from qualifying purchases; some links are affiliate links and we may earn a commission at no extra cost to you. Disclosure.
Top certified picks on Amazon
Amazon prices as of October 20, 2026 at 2:01 PM ET. Prices can change; the price on Amazon is the one that counts. As an Amazon Associate we earn from qualifying purchases; some links are affiliate links and we may earn a commission at no extra cost to you. Disclosure.
46 consumer filters certified to remove Microcystin
Recognizable brands worth shopping. (126 models are certified in total, including commercial, dealer-installed, and OEM units — see the full registry.)
| Filter | Type | Capacity | Price | ¢/gal | |
|---|---|---|---|---|---|
Multipure Aquaperform NSF | UNDER-SINK | 600 gal | $765 | — | Check price |
eSpring 122940C NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring Model 122940VN NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940 NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940CA NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940CH NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940HK NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940J NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940K NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940M NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940SG NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940T NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940TH NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122940 IN NSF | FAUCET-MOUNT | 1,320 gal | — | — | |
eSpring 122941C NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 128212XY NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring Model 122941VN NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941 NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941CA NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941CH NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941J NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941K NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring 122941T NSF | UNDER-SINK | 1,320 gal | — | — | |
Amway 100186X NSF | UNDER-SINK | 1,320 gal | — | — | |
Amway CXV5764 NSF | UNDER-SINK | 1,320 gal | — | — | |
Amway CXV6425 NSF | UNDER-SINK | 1,320 gal | — | — | |
eSpring WTI1167X NSF | UNDER-SINK | 1,320 gal | — | — | |
LG ADQ747937 NSF | REFRIGERATOR | 200 gal | — | — | |
Multipure AQUALUXE NSF | UNDER-SINK | 500 gal | — | — | |
Multipure Aquapremier NSF | UNDER-SINK | 340 gal | — | — | |
Multipure CB-EXTRA NSF | UNDER-SINK | 340 gal | — | — | |
Samsung HAF-HIN-1 NSF | UNDER-SINK | 660 gal | — | — | |
Samsung HAF-HINSC-1 NSF | UNDER-SINK | 660 gal | — | — | |
Samsung HAF-HIN-2 NSF | UNDER-SINK | 660 gal | — | — | |
Samsung HAF-HINSC-2 NSF | UNDER-SINK | 660 gal | — | — | |
Samsung HAF-HIN-3 NSF | UNDER-SINK | 660 gal | — | — | |
Samsung HAF-HINSC-3 NSF | UNDER-SINK | 660 gal | — | — | |
Samsung RWP70a15def NSF/WQA | UNDER-SINK | 330 gal | — | — | |
Samsung RWP90 a bc d e f gh NSF/WQA | UNDER-SINK | 330 gal | — | — | |
Samsung RWPa4 x 2bcde y NSF | UNDER-SINK | 330 gal | — | — | |
Samsung RWP50020BWW NSF | REFRIGERATOR | 330 gal | — | — | |
ZeroWater ZAS NSF | UNDER-SINK | 600 gal | — | — | |
Amway 122940XX WQA | FAUCET-MOUNT | 1,320 gal | — | — | |
Amway 100188CH WQA | FAUCET-MOUNT | 1,320 gal | — | — | |
Amway 100189CH WQA | FAUCET-MOUNT | 1,320 gal | — | — | |
Amway 122940CH WQA | FAUCET-MOUNT | 1,320 gal | — | — |
Amazon prices as of October 20, 2026 at 2:01 PM ET. Prices can change; the price on Amazon is the one that counts. As an Amazon Associate we earn from qualifying purchases; some links are affiliate links and we may earn a commission at no extra cost to you. Disclosure.