Fairfield, IA (52557): PFAS Detected in Mapped Water Systems
EPA data for Fairfield Water Supply
EPA records for the water systems mapped to 52557 in Fairfield, IA contain 1 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 0 are marked health-based.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water EPA records for water systems mapped to this ZIP show 1 violation (non-health) (since 2021).
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- PFAS PFAS detected in UCMR5 sampling; see the PFAS section for each compound, compared with the federal PFAS MCL where one exists.
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
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No critical alerts appear in the record for Fairfield (52557); the high-priority level accounts for 1 elevated-risk finding.
Score Breakdown
Overall Home Safety Score: Score unavailable
Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.
Canonical components
Required domains
Coverage: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) HIGH
Your Water System
ZIP code 52557 in Fairfield, Iowa is mapped to the water system Fairfield Water Supply (EPA ID: IA5131033). This system provides water to approximately 9,821 people from groundwater sources.
Other Water Quality Reports in Iowa
- 50001 (Ackworth) - 2 violations recorded for mapped water systems
- 50002 (Adair)
- 50003 (Adel) - 9 violations recorded for mapped water systems
- 50005 (Albion)
- 50006 (Alden)
- 50007 (Alleman)
- 50008 (Allerton)
- 50009 (Altoona) - 5 violations recorded for mapped water systems
- 50010 (Ames) - 4 violations recorded for mapped water systems
- 50011 (Ames)
- 50012 (Ames) - 2 violations recorded for mapped water systems
- 50013 (Ames) - 2 violations recorded for mapped water systems
- 50014 (Ames) - 5 violations recorded for mapped water systems
- 50020 (Anita)
- 50021 (Ankeny)
- 50022 (Atlantic)
- 50023 (Ankeny)
- 50025 (Audubon)
- 50026 (Bagley)
- 50027 (Barnes City)
Nearby Water Quality Reports
- 52556 (Fairfield) - 1 mi - 1 violation recorded for mapped water systems
- 52567 (Libertyville) - 5 mi
- 52580 (Packwood) - 9 mi
- 52533 (Batavia) - 9 mi - 3 violations recorded for mapped water systems
- 52635 (Lockridge) - 11 mi
- 52535 (Birmingham) - 11 mi
- 52540 (Brighton) - 12 mi
- 52585 (Richland) - 12 mi
- 52651 (Stockport) - 14 mi
- 52551 (Douds) - 14 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Fairfield Water Supply (IA5131033) on EPA.gov.
5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
PFAS Contamination Detected
PFAS ("forever chemicals") have been reported in samples from water systems associated with ZIP code 52557.
Detected compounds: PFBA.
Highest measured level: 0.005 µg/L
Reverse osmosis (RO) and activated carbon block filters can reduce PFAS at the tap. Certifications list the compounds covered: an NSF/ANSI 53 or 58 claim for PFOA/PFOS does not cover every PFAS, so check that the product lists the compounds detected here.
Environmental Hazards (9) HIGH
Home & Infrastructure (2) OK
Cost & Community (6) OK
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 52557 safe to drink?
EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 52557 (primary system: Fairfield Water Supply), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 52557's water come from?
The recorded water source for Fairfield Water Supply, a system mapped to ZIP code 52557, is Groundwater. This system serves approximately 9,821 people.
How can I get my water tested in Fairfield?
If Fairfield Water Supply supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 52557?
52557 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Jefferson County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
Are there PFAS (forever chemicals) in 52557's water?
Yes, PFAS have been detected in samples from water systems mapped to 52557. Reverse osmosis and activated carbon filters certified to NSF/ANSI 53 or 58 specifically for PFOA/PFOS reduction can reduce PFAS.
How to cite this page
ZipCheckup. (2026). Fairfield, IA (52557): PFAS Detected in Mapped Water Systems. https://zipcheckup.com/report/52557/
@misc{zipcheckup-report-52557,
author = {{ZipCheckup}},
title = {{Fairfield, IA (52557): PFAS Detected in Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/52557/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 52557
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 52556 | Fairfield, IA | 1.0 mi | N/A | 1 |
| 52567 | Libertyville, IA | 5.5 mi | N/A | 0 |
| 52580 | Packwood, IA | 8.9 mi | N/A | 0 |
| 52533 | Batavia, IA | 9.3 mi | N/A | 3 |
| 52635 | Lockridge, IA | 10.6 mi | N/A | 0 |
| 52535 | Birmingham, IA | 10.7 mi | C | 0 |
| 52540 | Brighton, IA | 12.0 mi | N/A | 0 |
| 52585 | Richland, IA | 12.3 mi | N/A | 0 |
| 52651 | Stockport, IA | 13.6 mi | C | 0 |
| 52551 | Douds, IA | 13.8 mi | C | 0 |
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