Higher concern
Last tested: November 2024
Action Advised
Source: Official EPA UCMR5 federal monitoring data. Last tested November 2024.
Townships: Idaho Falls CCD, ID Swan Valley CCD, ID Ucon CCD, ID
The short answer for Swan Valley CCD (83401)
Idaho Falls tap water has 19 contaminants above EPA guidelines, including lithium at 4.8× the limit (tested April 2024). See the full compound-by-compound breakdown and filter recommendations.
The health risk for Idaho Falls
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)
April 2024
0 µg/L
10 µg/L
50 µg/L
48.000 µg/L
Detected
µg/L
10 µg/L
EPA limit
guideline
380% above limit
Comparison
vs. guideline
EPA limit: 10 µg/L | Your water: 48.000 µg/L
Certified Filters for Idaho Falls 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: April 2024 · Well #4 Treatment
48.000 µg/L
10 µg/L
380% above limit
lithium Tested: April 2024 · Well #6 Treatment
48.000 µg/L
10 µg/L
380% above limit
lithium Tested: April 2024 · Wells #9 & #10 Treatment
46.100 µg/L
10 µg/L
361% above limit
lithium Tested: April 2024 · Wells #15 & #15B Treatment
46.000 µg/L
10 µg/L
360% above limit
lithium Tested: April 2024 · Well #16 Treatment
44.000 µg/L
10 µg/L
340% above limit
View all tested compounds
Treatment Plant (Wells #2, #4 & #6) · Tested: November 2024
Compound
Measurement
EPA Limit
Comparison
lithium
20.600 µg/L
10 µg/L
106% 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
Well #1 Treatment · Tested: November 2024
Compound
Measurement
EPA Limit
Comparison
lithium
16.000 µg/L
10 µg/L
60% 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
Well #1 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
39.800 µg/L
10 µg/L
298% 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
Well #10 Treatment · Tested: November 2024
Compound
Measurement
EPA Limit
Comparison
lithium
11.200 µg/L
10 µg/L
12% 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
Well #11 Treatment · Tested: November 2024
Compound
Measurement
EPA Limit
Comparison
lithium
18.700 µg/L
10 µg/L
87% 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
Well #12 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
36.800 µg/L
10 µg/L
268% 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
Well #16 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
44.000 µg/L
10 µg/L
340% 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
Well #17 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
42.300 µg/L
10 µg/L
323% 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
Well #18 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
43.400 µg/L
10 µg/L
334% 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
Well #2 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
37.000 µg/L
10 µg/L
270% 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
Well #3 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
35.000 µg/L
10 µg/L
250% 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
Well #4 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
48.000 µg/L
10 µg/L
380% 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
Well #5 Treatment · Tested: November 2024
Compound
Measurement
EPA Limit
Comparison
lithium
12.900 µg/L
10 µg/L
29% 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
Well #5 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
47.000 µg/L
10 µg/L
370% 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
Well #6 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
48.000 µg/L
10 µg/L
380% 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
Well #8 Treatment · Tested: November 2024
Compound
Measurement
EPA Limit
Comparison
lithium
15.700 µg/L
10 µg/L
57% 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
Well #8 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
51.600 µg/L
10 µg/L
416% 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
Well #9 Treatment · Tested: November 2024
Compound
Measurement
EPA Limit
Comparison
lithium
18.500 µg/L
10 µg/L
85% 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
Wells #11 & #14 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
40.100 µg/L
10 µg/L
301% 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
Wells #13 & #13B Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
42.300 µg/L
10 µg/L
323% 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
Wells #15 & #15B Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
46.000 µg/L
10 µg/L
360% 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
Wells #9 & #10 Treatment · Tested: April 2024
Compound
Measurement
EPA Limit
Comparison
lithium
46.100 µg/L
10 µg/L
361% 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
Water utilities serving ZIP 83401 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. Outlines appear when service-area boundary data is available for this ZIP.
Frequently Asked Questions about ZIP 83401 Tap Water
What contaminants are above EPA limits in ZIP 83401?
ZIP 83401 has 19 contaminants above EPA health guidelines in the latest available data, including lithium at 4.8x the EPA guideline. The full table on this page lists every tested compound and its measured level.
Will boiling ZIP 83401 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 83401?
Public records identify FALLS WATER COMPANY INC as a primary water system associated with ZIP 83401. Service boundaries can vary by address, so confirm exact service with the utility.
When was ZIP 83401 tap water last tested?
The most recent test date used in this report is November 2024. EnviroClarity last refreshed this page on 2026-05-04.
Where can I find the official water quality report for ZIP 83401?
Every U.S. public water system is required to publish an annual Consumer Confidence Report (CCR). Contact FALLS WATER COMPANY INC or visit their website for the latest official report covering ZIP 83401. 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.