EPA records for the water systems mapped to 51440 in Dedham, IA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Print Report

At a Glance

• Water No drinking-water violations in EPA records 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.
• Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.

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In this report

Frequently Asked Questions

Is the tap water in 51440 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 51440 (primary system: Coon Rapids Municipal Utilities), 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 51440's water come from?

The recorded water source for Coon Rapids Municipal Utilities, a system mapped to ZIP code 51440, is Groundwater. This system serves approximately 1,242 people.

How can I get my water tested in Dedham?

If Coon Rapids Municipal Utilities 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 51440?

51440 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Carroll 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). Dedham, IA (51440): High Radon Potential Area. https://zipcheckup.com/report/51440/

BibTeX

@misc{zipcheckup-report-51440,
  author = {{ZipCheckup}},
  title  = {{Dedham, IA (51440): High Radon Potential Area}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/51440/}
}

Page version: October 2026.

Recommended Reading

Guides selected based on data for ZIP code 51440

Radon Radon Testing & Mitigation Guide How to test for radon and reduce indoor levels. Home Safety Score Explained How ZipCheckup calculates your home safety score. Understanding Water Quality Reports How to read your annual CCR and what the numbers mean. Home Inspection Water Checklist What to check before buying a home. Best Water Filters by Contaminant Find a certified filter for a specific contaminant you are concerned about. Moving Checklist: Water & Utilities Essential steps for setting up water service in a new home.