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Lyon-Sioux Rws-Big Sioux water quality

EPA test results and violation history for Lyon-Sioux Rws-Big Sioux in Iowa. Public water system ID IA6000755. Serves ZIP codes 51240, 51241, 51242.

NDmax PFOA, ppt (limit 4)
NDmax PFOS, ppt (limit 4)
0of 29 PFAS detected
—lead, ppb (90th percentile)

ND = not detected. PFAS from EPA UCMR 5 (2023–2025); lead and violations from EPA SDWIS.

What EPA records show for Lyon-Sioux Rws-Big Sioux

  • 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.

Best match for your water

PUR PLUS Faucet Mount Filter

Faucet mount · $
  • 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.
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Other good options

Brita Elite Filter Pitcher

Pitcher · $
  • Good for: Chlorine taste and odor; a cheap everyday upgrade
  • Install: None
  • Manufacturer lists WQA certification to NSF/ANSI 42 and 53.
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Aquasana Claryum 2-Stage Under-Sink Filter

Under-sink carbon 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.
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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 Lyon-Sioux Rws-Big Sioux water have PFAS?

None of the 29 PFAS in EPA's UCMR 5 testing were detected in Lyon-Sioux Rws-Big Sioux's samples.

Is Lyon-Sioux Rws-Big Sioux 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 Lyon-Sioux Rws-Big Sioux'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.

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