ZipCheckup grade for 53114: D.

Federal records show several conditions worth reviewing.

Your top priority: have older plumbing checked for lead solder. Check your ZIP → EPA: reduce lead

Health Violations Found
D 50

Darien, WI (53114): 1 Health-Based Violation Recorded for Mapped Water Systems - 50/100

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Sharon Waterworks)

Health Violations Found High County Radon Potential

Health-based violation records by water system:

EPA records for the water systems mapped to 53114 in Darien, WI contain 40 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

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score
D 50/100
Water Quality Issues 1 health-based violation
Lead Risk Below action level 0.0014 mg/L, 90th percentile, sample period ending 2025-09-30
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water EPA records for water systems mapped to this ZIP show 1 health-based violation and 39 non-health-based (since 2021).
  • Lead The reported 90th-percentile lead result of 0.0014 mg/L is below the EPA action level for water systems; EPA's health goal for lead is zero.
  • Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
Contaminant Summary
Health Violations
40 violations 1 health-based
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
D
ZIP-level Home Safety model score: 50 / 100
Bottom 7% of U.S. ZIP codes
2
Water Systems
1,549
People Served
1
Health Violations (since 2021)Median is 0
Groundwater
Water Source
0.0014 mg/L
Reported Lead Result
Zone 1
County Radon Potential · High
$226K
Median Home ValueState median: $214K

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Score Breakdown

Overall Home Safety Score: 50/100

This is the published model score. Component and domain values are shown independently; they are not added together on this page.

Canonical components

EPA water compliance
0/100
Observed
PFAS MCL screen
100/100
Observed
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

Drinking water
50/100
Indoor environment
0/100
Outdoor environment
100/100

Coverage: 4 of 4 components and 3 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (6) CRITICAL

Your Water System

ZIP code 53114 in Darien, Wisconsin is mapped to the water system Sharon Waterworks (EPA ID: WI2650145). This system provides water to approximately 1,549 people from groundwater sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Sharon Waterworks WI2650145 1,549 Groundwater
Darien Waterworks WI2650057 1,573 Groundwater

Other Water Quality Reports in Wisconsin

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sharon Waterworks (WI2650145) 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.

📊 EPA Safe Drinking Water · View source →
Environmental Hazards (10) HIGH
Home & Infrastructure (6) MODERATE

Possible home maintenance concerns - talk to a local expert.

Call (855) 384-4856

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Cost & Community (9) HIGH

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Darien

Based on local data for ZIP 53114, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Gutter Installation & Repair

The median home in 53114 was built around 1965. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.

Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home

Estimate Your Home Maintenance Costs

Window Replacement

The median build year of homes in Darien is 1965; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.

Typical cost: Window replacement: typically $300–$800 per window installed

Estimate Your Home Maintenance Costs

Roofing Inspection & Repair

Homes built around 1965 may be on their second or third roof. A professional inspection can catch damage before leaks start.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 53114 safe to drink?

EPA SDWIS records 40 violations since 2021 across the water systems mapped to ZIP 53114 (primary system: Sharon 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 53114's water come from?

The recorded water source for Sharon Waterworks, a system mapped to ZIP code 53114, is Groundwater. This system serves approximately 1,549 people.

How does Darien water compare to the national average?

Darien's Home Safety Score ranks lower than 93% of U.S. ZIP codes, and lower than 95% of ZIP codes within Wisconsin.

How can I get my water tested in Darien?

If Sharon 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.

Is lead a concern in 53114 tap water?

The Lead and Copper Rule record selected for 53114 reports a 90th-percentile lead result of 0.0014 mg/L for a water system mapped to this ZIP (record date 2025-09-30). The EPA action level is 0.015 mg/L. This result is below the EPA action level; it does not show the lead level in each home.

What is the radon risk for 53114?

53114 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Walworth County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). Darien, WI (53114): 1 Health-Based Violation Recorded for Mapped Water Systems - 50/100. https://zipcheckup.com/report/53114/
BibTeX 
@misc{zipcheckup-report-53114,
  author = {{ZipCheckup}},
  title  = {{Darien, WI (53114): 1 Health-Based Violation Recorded for Mapped Water Systems - 50/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/53114/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 53114

ZIP Code City, State Distance Grade Violations
53585 Sharon, WI 5.5 mi N/A 40
53505 Avalon, WI 5.9 mi N/A 0
53115 Delavan, WI 6.5 mi D 69
53525 Clinton, WI 6.8 mi C 1
53184 Walworth, WI 8.7 mi N/A 22
53125 Fontana, WI 10.0 mi N/A 18
53191 Williams Bay, WI 10.7 mi N/A 9
53121 Elkhorn, WI 12.6 mi C 4
61012 Capron, IL 13.0 mi N/A 0
53546 Janesville, WI 13.7 mi C 0

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