Sherwood, WI (54169): 1 Health-Based Violation Recorded for Mapped Water Systems
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Sherwood Waterworks)
Health-based violation records by water system:
EPA records for the water systems mapped to 54169 in Sherwood, WI contain 6 recorded violations for inclusive record years 2021 through 2026, all mapped systems combined; 1 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 health-based violation and 5 non-health-based (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 2 - county-level radon potential, not a home measurement.
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This report sorts findings for 54169 in Sherwood into two severity tiers using its own criteria: lead above the EPA action level, unresolved violations on record or a PFAS result above the level of an EPA PFAS maximum contaminant level (enforced from 2029) for the critical tier, and a PFAS detection or elevated carbon monoxide risk for the high-priority tier. In the available data, the high-priority tier holds 1 and the critical tier hold none; each card below describes one 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: 2 of 4 components and 1 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) CRITICAL
Your Water System
ZIP code 54169 in Sherwood, Wisconsin is mapped to the water system Sherwood Waterworks (EPA ID: WI4080271). This system provides water to approximately 3,114 people from surface water sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Sherwood Waterworks | WI4080271 | 3,114 | Surface water |
| Harrison Utilities - Fka Waverly Sd | WI4080076 | 5,500 | Surface water |
| Darboy Sanitary District 1 | WI4450117 | 13,024 | Groundwater |
Other Water Quality Reports in Wisconsin
- 53001 (Adell) - 1 violation recorded for mapped water systems
- 53002 (Allenton)
- 53003 (Ashippun)
- 53004 (Belgium) - 6 violations recorded for mapped water systems
- 53005 (Brookfield) - 8 violations recorded for mapped water systems
- 53006 (Brownsville) - 4 violations recorded for mapped water systems
- 53007 (Butler) - 2 violations recorded for mapped water systems
- 53008 (Brookfield)
- 53010 (Campbellsport) - 5 violations recorded for mapped water systems
- 53011 (Cascade) - 3 violations recorded for mapped water systems
- 53012 (Cedarburg) - 3 violations recorded for mapped water systems
- 53013 (Cedar Grove) - 2 violations recorded for mapped water systems
- 53014 (Chilton) - 2 violations recorded for mapped water systems
- 53015 (Cleveland) - 2 violations recorded for mapped water systems
- 53016 (Clyman)
- 53017 (Colgate) - 6 violations recorded for mapped water systems
- 53018 (Delafield) - 26 violations recorded for mapped water systems
- 53019 (Eden)
- 53020 (Elkhart Lake)
- 53021 (Fredonia) - 4 violations recorded for mapped water systems
Nearby Water Quality Reports
- 54129 (Hilbert) - 5 mi - 8 violations recorded for mapped water systems
- 54915 (Appleton) - 6 mi - 17 violations recorded for mapped water systems
- 54113 (Combined Locks) - 6 mi - 6 violations recorded for mapped water systems
- 54123 (Forest Junction) - 7 mi
- 54136 (Kimberly) - 7 mi - 3 violations recorded for mapped water systems
- 53088 (Stockbridge) - 7 mi
- 54952 (Menasha) - 7 mi - 10 violations recorded for mapped water systems
- 54140 (Little Chute) - 8 mi - 2 violations recorded for mapped water systems
- 53062 (New Holstein) - 8 mi
- 54130 (Kaukauna) - 8 mi - 20 violations recorded for mapped water systems
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sherwood Waterworks (WI4080271) 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 54169.
Detected compounds: PFBA.
Highest measured level: 0.0056 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 (10) MODERATE
Home & Infrastructure (6) OK
Cost & Community (8) HIGH
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 54169 safe to drink?
EPA SDWIS records 6 violations since 2021 across the water systems mapped to ZIP 54169 (primary system: Sherwood Waterworks), including 1 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 54169's water come from?
The recorded water source for Sherwood Waterworks, a system mapped to ZIP code 54169, is Surface water. This system serves approximately 3,114 people.
How can I get my water tested in Sherwood?
If Sherwood Waterworks 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 54169?
54169 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Calumet 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 54169's water?
Yes, PFAS have been detected in samples from water systems mapped to 54169. 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). Sherwood, WI (54169): 1 Health-Based Violation Recorded for Mapped Water Systems. https://zipcheckup.com/report/54169/
@misc{zipcheckup-report-54169,
author = {{ZipCheckup}},
title = {{Sherwood, WI (54169): 1 Health-Based Violation Recorded for Mapped Water Systems}},
year = {2026},
url = {https://zipcheckup.com/report/54169/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 54169
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 54129 | Hilbert, WI | 4.9 mi | N/A | 8 |
| 54915 | Appleton, WI | 6.0 mi | N/A | 17 |
| 54113 | Combined Locks, WI | 6.5 mi | B | 6 |
| 54123 | Forest Junction, WI | 7.1 mi | N/A | 0 |
| 54136 | Kimberly, WI | 7.1 mi | B | 3 |
| 53088 | Stockbridge, WI | 7.3 mi | N/A | 0 |
| 54952 | Menasha, WI | 7.3 mi | N/A | 10 |
| 54140 | Little Chute, WI | 7.6 mi | B | 2 |
| 53062 | New Holstein, WI | 8.0 mi | N/A | 0 |
| 54130 | Kaukauna, WI | 8.2 mi | B | 20 |
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