Water Health Check Report
Phoenix, AZ
City of Phoenix · Surface water source
Good — with 3 concerns
City of Phoenix meets all federal legal limits but 3 contaminants exceed EWG health guidelines. All contaminants within federal legal limits
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Lead—source matters
Lead in tap water comes from household plumbing, not the source water or treatment plant. Phoenix water leaves the treatment plant lead-free. Risk depends on your building's internal plumbing—highest in homes built before 1986, when lead solder was common. A NSF/ANSI 53 certified pitcher or under-sink filter removes lead at point of use.
Contaminants tested
30 total · 3 above EWG guideline| Contaminant | Level | Status |
|---|---|---|
PFBA (perfluorobutanoic acid) CAS 375-22-4 | 5.2 ppt | Above guideline |
PFBS (perfluorobutane sulfonic acid) CAS 375-73-5 | 11.4 ppt | Above guideline |
Lead CAS 7439-92-1 | 2.7 ppb | Above guideline |
Chlorine (residual) CAS 7782-50-5 | < 0.01 ppm | Within limits |
Total trihalomethanes (TTHMs) CAS Various | ND ppb | Within limits |
Copper CAS 7440-50-8 | ND ppm | Within limits |
Lithium CAS 7439-93-2 | 70.2 ppb | Within limits |
4:2 FTS (4:2 fluorotelomer sulfonic acid) CAS 757124-72-4 | ND | Not detected |
PFOS (perfluorooctane sulfonate) CAS 1763-23-1 | ND | Not detected |
PFTA (perfluorotetradecanoic acid) CAS 376-06-7 | ND | Not detected |
PFHpA (perfluoroheptanoic acid) CAS 375-85-9 | ND | Not detected |
ND | Not detected | |
PFNA (perfluorononanoic acid) CAS 375-95-1 | ND | Not detected |
ND | Not detected | |
PFOA (perfluorooctanoic acid) CAS 335-67-1 | ND | Not detected |
PFDoA (perfluorododecanoic acid) CAS 307-55-1 | ND | Not detected |
8:2 FTS (8:2 fluorotelomer sulfonic acid) CAS 39108-34-4 | ND | Not detected |
PFPeA (perfluoropentanoic acid) CAS 2706-90-3 | ND | Not detected |
PFPeS (perfluoropentane sulfonic acid) CAS 2706-91-4 | ND | Not detected |
PFDA (perfluorodecanoic acid) CAS 335-76-2 | ND | Not detected |
PFHxA (perfluorohexanoic acid) CAS 307-24-4 | ND | Not detected |
PFUnA (perfluoroundecanoic acid) CAS 2058-94-8 | ND | Not detected |
ADONA (4,8-dioxa-3H-perfluorononanoic acid) CAS 919005-14-4 | ND | Not detected |
PFHxS (perfluorohexane sulfonic acid) CAS 355-46-4 | ND | Not detected |
PFHpS (perfluoroheptane sulfonic acid) CAS 375-92-8 | ND | Not detected |
PFTrDA (perfluorotridecanoic acid) CAS 72629-94-8 | ND | Not detected |
HFPO-DA / GenX (hexafluoropropylene oxide dimer acid) CAS 13252-13-6 | ND | Not detected |
ND | Not detected | |
6:2 FTS (6:2 fluorotelomer sulfonic acid) CAS 27619-97-2 | ND | Not detected |
ND | Not detected |
Filter recommendation
3 contaminants above guidelines. Here's what removes them.
A guided 4-question flow matches you to the right filter for your setup, budget, and household.
Want to go further than filtration?
Your report shows 3 contaminants above health guidelines. A specialist at Drawn can give you an expert read on your specific profile — what to prioritise, which filters actually address it, and what optimisation looks like for your household.
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- Your contaminant profile explained in plain English
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Data sources
Status flags compare detected levels against both EPA legal limits and EWG health-based guidelines—which are stricter and science-derived, independent of political feasibility.