Higher concern
Last tested: August 2025
Action Advised
Source: Official EPA UCMR5 federal monitoring data. Last tested August 2025.
The short answer for Santa Clara (ZIP 95052)
Santa Clara tap water has lithium above EPA guidelines at 1.1× the limit (tested March 2025). See the full report with all tested compounds and filter options.
The health risk for Santa Clara
lithium has been detected above EPA limits in this water system's recent tests. A certified filter designed for this contaminant type is strongly recommended.
lithium concentration (µg/L)
March 2025
0 µg/L
10 µg/L
20 µg/L
11.000 µg/L
Detected
µg/L
10 µg/L
EPA limit
guideline
10% above limit
Comparison
vs. guideline
EPA limit: 10 µg/L | Your water: 11.000 µg/L
Certified Filters for Santa Clara Tap Water
lithium was detected above EPA limits. These filters are independently certified to reduce common drinking-water contaminants.
Pitcher filter
Epic Pure XP Water Filter Pitcher
NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.
NSF/ANSI 42, 53, 401 & P473 Removes 99.99% PFAS Made in USA BPA-free
Own your home?
There's a more permanent solution
Reverse osmosis eliminates PFAS on demand — no refilling, covers cooking water too
See options →
⚠️
Common pitchers like Brita do not remove PFAS. You need a filter independently certified to NSF P473 (for pitcher filters) or NSF/ANSI 58 (for reverse osmosis systems). All three options below carry the relevant certification.
Certified Pitcher
Removes PFAS (99%+)
No installation, works today
Lowest upfront cost (~$70)
Must refill manually
Filters only what you pour in - not cooking water
Reverse Osmosis More complete
Removes PFAS + lead, arsenic, nitrates & more
Always-on - no refilling ever
Noticeably better tasting water
Filters drinking & cooking water automatically
Higher upfront cost ($200-$400)
Choose your option
Simplest to start · Made in USA
Epic Pure XP Water Filter Pitcher
From~$70
Best for
Renters, apartments, or anyone who wants to act today with zero setup. Dual-layer CoreXchange™ filter removes 70+ contaminants. 100 gallon capacity, replace every 3-4 months.
No install
NSF/ANSI 42, 53, 401 & P473
99.99% PFAS removal
BPA-free
View on Amazon →
RO · No plumbing · Plug-in only
AquaTru Classic Countertop RO
~$475
Best for
Renters or anyone who wants full RO purification without installation. Removes 84 certified contaminants - just plug in and pour. 4:1 pure-to-drain ratio (very water efficient).
No plumbing NSF/ANSI 42, 53, 58, 401 & P473 84 contaminants certified 4:1 efficiency ratio
View on Amazon →
⭐ RO · Always-on · Homeowners
Waterdrop G3P600 Reverse Osmosis System
~$450
Best for
Homeowners and families who want permanent, always-on protection. 8-stage tankless RO with smart LED faucet - filtered water on demand, no tank to wait on. Saves 70% of under-sink cabinet space.
8-stage tankless NSF/ANSI 42, 53, 58 & 372 Removes PFAS, arsenic, fluoride & more Smart LED faucet
View on Amazon →
Most elevated compounds
Compound
Measurement
EPA Limit
Comparison
lithium Tested: March 2025 · Well 18-2
11.000 µg/L
10 µg/L
10% above limit
6:2 FTS Tested: August 2024 · Well 4
0.005 µg/L
0.005 µg/L
100% of limit
4:2 FTS Tested: February 2025 · Well 9-2
0.003 µg/L
0.003 µg/L
100% of limit
6:2 FTS Tested: August 2025 · Well 22-2
0.005 µg/L
0.005 µg/L
100% of limit
6:2 FTS Tested: August 2024 · Well 24
0.005 µg/L
0.005 µg/L
100% of limit
View all tested compounds
Well 18-2 · Tested: March 2025
Compound
Measurement
EPA Limit
Comparison
lithium
11.000 µg/L
10 µg/L
10% above limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
SCVWD Turnout · Tested: November 2023
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
SFWD Turnout · Tested: November 2023
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 10 · Tested: August 2023
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 11 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 13-2 · Tested: August 2024
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 15 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 17-2 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 2-2 · Tested: August 2024
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 22-2 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
6:2 FTS
0.005 µg/L
0.005 µg/L
100% of limit
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 24 · Tested: August 2024
Compound
Measurement
EPA Limit
Comparison
6:2 FTS
0.005 µg/L
0.005 µg/L
100% of limit
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 25 · Tested: Multiple dates
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 28 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
8:2 FTS
0.005 µg/L
0.005 µg/L
100% of limit
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 3-2 · Tested: August 2023
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 30 · Tested: August 2024
Compound
Measurement
EPA Limit
Comparison
4:2 FTS
0.003 µg/L
0.003 µg/L
100% of limit
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 34 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
6:2 FTS
0.005 µg/L
0.005 µg/L
100% of limit
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 4 · Tested: August 2024
Compound
Measurement
EPA Limit
Comparison
6:2 FTS
0.005 µg/L
0.005 µg/L
100% of limit
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 7 · Tested: August 2024
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 8 · Tested: August 2025
Compound
Measurement
EPA Limit
Comparison
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 9-2 · Tested: February 2025
Compound
Measurement
EPA Limit
Comparison
4:2 FTS
0.003 µg/L
0.003 µg/L
100% of limit
lithium
<9.000 µg/L
10 µg/L
Below limit
PFHxS
<0.003 µg/L
0.004 µg/L
Below limit
HFPO-DA
<0.005 µg/L
0.01 µg/L
Below limit
PFNA
<0.004 µg/L
0.01 µg/L
Below limit
PFHxA
<0.003 µg/L
3 µg/L
Below limit
PFBA
<0.005 µg/L
6 µg/L
Below limit
11Cl-PF3OUdS
<0.005 µg/L
0.005 µg/L
Below limit
4:2 FTS
<0.003 µg/L
0.003 µg/L
Below limit
6:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
8:2 FTS
<0.005 µg/L
0.005 µg/L
Below limit
9Cl-PF3ONS
<0.002 µg/L
0.002 µg/L
Below limit
ADONA
<0.003 µg/L
0.003 µg/L
Below limit
PFBS
<0.003 µg/L
0.003 µg/L
Below limit
PFDA
<0.003 µg/L
0.003 µg/L
Below limit
PFDoA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpA
<0.003 µg/L
0.003 µg/L
Below limit
PFHpS
<0.003 µg/L
0.003 µg/L
Below limit
PFOA
<0.004 µg/L
0.004 µg/L
Below limit
PFOS
<0.004 µg/L
0.004 µg/L
Below limit
PFPeA
<0.003 µg/L
0.003 µg/L
Below limit
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Water utilities serving ZIP 95052 Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.
Modeled boundaries are shown with a dashed outline.
Frequently Asked Questions about ZIP 95052 Tap Water
What contaminants are above EPA limits in ZIP 95052?
ZIP 95052 has lithium above EPA health guidelines in the latest available data at 1.1x the EPA guideline. The full table on this page lists every tested compound and its measured level.
Will boiling ZIP 95052 tap water remove lithium?
No. Boiling tap water does not remove lithium. Lithium is a dissolved mineral, so heat does not break it down and evaporation can actually concentrate it. Reverse osmosis (NSF/ANSI 58) is the most reliable at-home option for reducing lithium.
Do basic pitcher filters remove lithium?
Standard pitcher filters are not certified to reduce lithium. Reverse osmosis (NSF/ANSI 58) is the most widely available home option for reducing lithium in drinking water.
Who provides tap water in ZIP 95052?
Public records identify CITY OF SANTA CLARA as a primary water system associated with ZIP 95052. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 95052 tap water last tested?
The most recent test date used in this report is August 2025. EnviroClarity last refreshed this page on 2026-05-04.
Where can I find the official water quality report for ZIP 95052?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact CITY OF SANTA CLARA or visit their website for the latest official report covering ZIP 95052. The EPA also maintains a national CCR locator.
Data reflects publicly reported utility records from EPA datasets and local utility disclosures.
This information is educational and not medical advice.