Higher concern
Last tested: July 2025
Action Advised
Source: Official EPA UCMR5 federal monitoring data. Last tested July 2025.
Township: South Gate-East Los Angeles CCD, CA Neighborhoods: Jordan Downs Imperial Courts Firestone Park Graham Watts Hacienda Village
The short answer for South Gate
South Gate tap water has 21 contaminants above EPA guidelines, including PFOS at 6.5× the limit (tested September 2023). See the full compound-by-compound breakdown and filter recommendations.
The health risk for South Gate
PFAS ('forever chemicals') have been detected above EPA limits in this water system's most recent tests. These synthetic chemicals do not break down in the body and are linked to a range of health effects. A certified filter is strongly recommended.
lithium, PFBS, PFHxS, PFOA, PFOS, PFPeA above limit.
PFOS concentration (µg/L)
September 2023
0 µg/L
0.004 µg/L
0.05 µg/L
0.004 µg/L
EPA limit
guideline
550% above limit
Comparison
vs. guideline
EPA limit: 0.004 µg/L | Your water: 0.026 µg/L
Certified Filters for South Gate Tap Water
PFOS (a PFAS 'forever chemical') 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
PFOS Tested: September 2023 · Wells 24 & 25
0.026 µg/L
0.004 µg/L
550% above limit
PFOS Tested: April 2025 · Well 5
0.023 µg/L
0.004 µg/L
475% above limit
PFOS Tested: April 2025 · Well 8
0.021 µg/L
0.004 µg/L
425% above limit
PFOS Tested: January 2024 · Park Reservoir
0.019 µg/L
0.004 µg/L
375% above limit
PFOS Tested: July 2025 · Otis Plant
0.015 µg/L
0.004 µg/L
275% above limit
View all tested compounds
Wells 24 & 25 · Tested: September 2023
Compound
Measurement
EPA Limit
Comparison
PFOS
0.026 µg/L
0.004 µg/L
550% above limit
PFOA
0.010 µg/L
0.004 µg/L
150% above limit
PFPeA
0.006 µg/L
0.003 µg/L
110% above limit
PFHxS
0.005 µg/L
0.004 µg/L
18% above limit
PFBS
0.004 µg/L
0.003 µg/L
17% above limit
PFHxA
0.006 µg/L
3 µg/L
0.2% of limit
lithium
<9.000 µg/L
10 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
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
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
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Park Reservoir · Tested: Multiple dates
Compound
Measurement
EPA Limit
Comparison
PFOS
0.019 µg/L
0.004 µg/L
375% above limit
PFOA
0.007 µg/L
0.004 µg/L
88% above limit
PFPeA
0.004 µg/L
0.003 µg/L
20% above limit
PFHxS
0.004 µg/L
0.004 µg/L
7% above limit
PFHxA
0.003 µg/L
3 µg/L
0.1% of limit
lithium
<9.000 µg/L
10 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
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
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Well 5 · Tested: Multiple dates
Compound
Measurement
EPA Limit
Comparison
PFOS
0.023 µg/L
0.004 µg/L
475% above limit
PFOA
0.008 µg/L
0.004 µg/L
95% above limit
PFHxS
0.006 µg/L
0.004 µg/L
45% above limit
PFPeA
0.003 µg/L
0.003 µg/L
3% above limit
lithium
<9.000 µg/L
10 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
PFTrDA
<0.007 µg/L
0.007 µg/L
Below limit
PFUnA
<0.002 µg/L
0.002 µg/L
Below limit
Reservoir · Tested: Multiple dates
Compound
Measurement
EPA Limit
Comparison
PFOS
0.013 µg/L
0.004 µg/L
225% above limit
PFOA
0.005 µg/L
0.004 µg/L
15% above limit
PFHxS
0.004 µg/L
0.004 µg/L
10% above limit
lithium
<9.000 µg/L
10 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
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: Multiple dates
Compound
Measurement
EPA Limit
Comparison
PFOS
0.021 µg/L
0.004 µg/L
425% above limit
PFOA
0.007 µg/L
0.004 µg/L
78% above limit
PFHxS
0.006 µg/L
0.004 µg/L
53% above limit
lithium
<9.000 µg/L
10 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
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
MWD Intertie · Tested: December 2024
Compound
Measurement
EPA Limit
Comparison
lithium
43.000 µg/L
10 µg/L
330% 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
MWD Intertie · Tested: June 2025
Compound
Measurement
EPA Limit
Comparison
lithium
36.000 µg/L
10 µg/L
260% 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
Otis Plant · Tested: July 2025
Compound
Measurement
EPA Limit
Comparison
PFOS
0.015 µg/L
0.004 µg/L
275% above limit
PFHxS
0.004 µg/L
0.004 µg/L
90% of limit
lithium
<9.000 µg/L
10 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
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 · Tested: Multiple dates
Compound
Measurement
EPA Limit
Comparison
PFOS
0.010 µg/L
0.004 µg/L
148% above 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
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
Bissell Plant · Tested: July 2025
Compound
Measurement
EPA Limit
Comparison
PFBA
0.011 µg/L
6 µg/L
0.2% 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
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
Clara Plant · Tested: July 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
Converse Plant · Tested: September 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
MWD Intertie · Tested: July 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
Nadeau Plant · Tested: September 2024
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
Pumping Station · Tested: January 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
Treatment Plant · Tested: September 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
Watson Plant · 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 19 · Tested: Multiple dates
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 28 · 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 29 · Tested: September 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
Wells 26 & 27 · 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
Water utilities serving ZIP 90280 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 90280 Tap Water
What contaminants are above EPA limits in ZIP 90280?
ZIP 90280 has 21 contaminants above EPA health guidelines in the latest available data, including PFOS at 6.5x the EPA guideline. The full table on this page lists every tested compound and its measured level.
Will boiling ZIP 90280 tap water remove PFOS?
No. Boiling does not remove PFAS, and the compounds can actually become more concentrated as water evaporates. To reduce PFAS at home, use a filter independently certified to NSF/ANSI P473 (activated-carbon pitcher or under-sink) or NSF/ANSI 58 (reverse osmosis).
Do basic pitcher filters remove PFOS?
Most basic pitcher filters are only certified to NSF/ANSI 42 or 53, which do not cover PFAS. Look for a filter independently certified to NSF/ANSI P473 (activated-carbon pitcher or under-sink) or NSF/ANSI 58 (reverse osmosis) on the spec sheet.
Who provides tap water in ZIP 90280?
Public records identify SOUTH GATE-CITY, WATER DEPT. as a primary water system associated with ZIP 90280. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 90280 tap water last tested?
The most recent test date used in this report is July 2025. EnviroClarity last refreshed this page on 2026-05-04.
Where can I find the official water quality report for ZIP 90280?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact SOUTH GATE-CITY, WATER DEPT. or visit their website for the latest official report covering ZIP 90280. 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.