Home › By state › Iowa › Sirwa #2 (Creston)

Sirwa #2 (Creston) water quality

EPA test results and violation history for Sirwa #2 (Creston) in Iowa, which serves about 20,793 people from surface water. Public water system ID IA8080701. Serves ZIP codes 50065, 50067, 50068, 50074, 50108, 50133, 50140, 50144, 50149, 50151, 50155, 50174….

NDmax PFOA, ppt (limit 4)
NDmax PFOS, ppt (limit 4)
0of 29 PFAS detected
5lead, ppb (90th percentile)

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

What EPA records show for Sirwa #2 (Creston)

  • No PFAS detectedNone of the 29 PFAS in EPA UCMR 5 testing were detected.
  • Lead: 5 ppb (90th percentile)Latest reported 90th-percentile lead level; highest on record 5 ppb. Federal action level is 15 ppb. Lead usually comes from home plumbing, so levels vary house to house.
  • No health-based violations in 10 yearsEPA SDWIS shows no health-based violations for this system since 2016.

A certified lead filter is the right fit

Lead and microbial issues are best handled by a filter certified to NSF/ANSI 53. Our top pick's lead certification is listed in NSF's own directory, not just claimed on the box.

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.
Check price on Amazon

Other good options

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.
Check price on Amazon

iSpring RCC7AK Under-Sink Reverse Osmosis System

Under-sink reverse osmosis · $$
  • Good for: PFAS, nitrate, arsenic, fluoride, radium, lead and most other dissolved contaminants
  • Install: Under the kitchen sink, about an hour with basic tools
  • Manufacturer lists NSF/ANSI 58 testing. Reverse osmosis is the treatment EPA names as most effective for PFAS.
Check price on Amazon

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.

Check your exact address

Utility boundaries don't always follow ZIP codes. Enter your address to confirm which system serves you.

Free. A ZIP code works; a full address is more exact. We don't store it.

Questions

Does Sirwa #2 (Creston) water have PFAS?

None of the 29 PFAS in EPA's UCMR 5 testing were detected in Sirwa #2 (Creston)'s samples.

Is Sirwa #2 (Creston) tap water safe to drink?

EPA records show no health-based violations for Sirwa #2 (Creston) in the last 10 years. 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 Sirwa #2 (Creston)'s service area?

A certified lead filter is the right fit. Lead and microbial issues are best handled by a filter certified to NSF/ANSI 53. Our top pick's lead certification is listed in NSF's own directory, not just claimed on the box.

Nearby water systems