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Ynp-Old Faithful water quality
EPA test results and violation history for Ynp-Old Faithful in Wyoming. Public water system ID WY5680085. Serves ZIP codes 82190.
ND = not detected. PFAS from EPA UCMR 5 (2023–2025); lead and violations from EPA SDWIS.
What EPA records show for Ynp-Old Faithful
- No PFAS detectedNone of the 29 PFAS in EPA UCMR 5 testing were detected.
Your water looks good. A faucet filter covers the rest
Your utility's record is mostly clean. A certified faucet filter removes chlorine taste and guards against lead from your own pipes, which utility testing can't see.
PUR PLUS Faucet Mount Filter
- Good for: Lead from older pipes, chlorine taste and odor, mercury, some pesticides
- Install: Screws onto most standard faucets in a few minutes
- ✓ Verified in NSF directory. PUR faucet mounts are listed by NSF under NSF/ANSI 53 for lead and NSF/ANSI 42 for chlorine.
Other good options
Brita Elite Filter Pitcher
- Good for: Chlorine taste and odor; a cheap everyday upgrade
- Install: None
- Manufacturer lists WQA certification to NSF/ANSI 42 and 53.
Aquasana Claryum 2-Stage Under-Sink Filter
- Good for: Lead, PFOA/PFOS, chlorine and chloramine, at a higher flow than pitchers; keeps minerals
- Install: Under the sink with its own faucet; about an hour
- Manufacturer lists WQA certification to NSF/ANSI 42, 53 and 401, including lead and PFOA/PFOS.
As an Amazon Associate we earn from qualifying purchases. Data comes from EPA public records, which cover your utility, not your home's own pipes.
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Questions
Does Ynp-Old Faithful water have PFAS?
None of the 29 PFAS in EPA's UCMR 5 testing were detected in Ynp-Old Faithful's samples.
Is Ynp-Old Faithful tap water safe to drink?
Lead from home plumbing isn't captured by utility data, so a certified filter is worthwhile in older homes.
What water filter should I use in Ynp-Old Faithful's service area?
Your water looks good. A faucet filter covers the rest. Your utility's record is mostly clean. A certified faucet filter removes chlorine taste and guards against lead from your own pipes, which utility testing can't see.