Health Violations Found

Iona, ID (83427): 1 Health-Based Violation Recorded for Mapped Water Systems

EPA data combined for 2 water systems mapped to this ZIP (largest mapped system: Iona Water Department)

Health Violations Found

Health-based violation records by water system:

EPA records for the water systems mapped to 83427 in Iona, ID contain 55 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 N/A
Water Quality Issues 1 health-based violation
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2023-12-31
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 54 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.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
Contaminant Summary
Health Violations
55 violations 1 health-based 2 risks identified
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
2
Water Systems
2,717
People Served
1
Health Violations (since 2021)Median is 0
Groundwater
Water Source
Zone 2
County Radon Potential · Moderate
$368K
Median Home Value24% above state median ($297K)

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Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
46/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
100/100
Observed

Required domains

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

Coverage: 3 of 4 components and 2 of 3 domains observed.

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

Safety & Health (7) CRITICAL

Your Water System

ZIP code 83427 in Iona, Idaho is mapped to the water system Iona Water Department (EPA ID: ID7100041). This system provides water to approximately 2,717 people from groundwater sources.

There are 2 community water systems serving this area.

Water Systems Serving This Area

System Name EPA ID Population Source
Iona Water Department ID7100041 2,717 Groundwater
Falls Water Company Inc. ID7100030 22,650 Groundwater

Other Water Quality Reports in Idaho

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 Iona Water Department (ID7100041) on EPA.gov.

4 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 →

Health Risks from Detected Contaminants

Radium-226

High Risk

EPA reference value: 5 pCi/L (MCL for combined Radium-226 & 228)

Increased cancer risk, including bone cancer (known carcinogen)

At-risk groups: people who drink water with radium above the MCL over many years

Treatment options (verify a product is certified to reduce this contaminant): ion exchange (water softener), reverse osmosis, lime softening · Find a filter →

Learn more about Radium-226 in drinking water →

Radium-228

High Risk

EPA reference value: 5 pCi/L (MCL for combined Radium-226 & 228)

Increased cancer risk, including bone cancer (known carcinogen)

At-risk groups: people who drink water with radium above the MCL over many years

Treatment options (verify a product is certified to reduce this contaminant): ion exchange (water softener), reverse osmosis, lime softening · Find a filter →

Learn more about Radium-228 in drinking water →

📊 EPA SDWIS + SDWA · View source →
Environmental Hazards (10) MODERATE
Home & Infrastructure (6) OK
Cost & Community (7) HIGH

CPSC product recall notices

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

View all recalls →

📊 CPSC · View source →

Frequently Asked Questions

Is the tap water in 83427 safe to drink?

EPA SDWIS records 55 violations since 2021 across the water systems mapped to ZIP 83427 (primary system: Iona Water Department), 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 83427's water come from?

The recorded water source for Iona Water Department, a system mapped to ZIP code 83427, is Groundwater. This system serves approximately 2,717 people.

How can I get my water tested in Iona?

If Iona Water Department 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 83427?

83427 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Bonneville 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). Iona, ID (83427): 1 Health-Based Violation Recorded for Mapped Water Systems. https://zipcheckup.com/report/83427/
BibTeX 
@misc{zipcheckup-report-83427,
  author = {{ZipCheckup}},
  title  = {{Iona, ID (83427): 1 Health-Based Violation Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/83427/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 83427

ZIP Code City, State Distance Grade Violations
83401 Idaho Falls, ID 2.7 mi B 65
83406 Idaho Falls, ID 4.0 mi B 62
83454 Ucon, ID 4.8 mi N/A 0
83404 Idaho Falls, ID 5.3 mi B 7
83403 Idaho Falls, ID 6.5 mi N/A 0
83405 Idaho Falls, ID 6.5 mi N/A 0
83415 Idaho Falls, ID 6.5 mi N/A 0
83402 Idaho Falls, ID 6.7 mi B 1
83442 Rigby, ID 10.2 mi N/A 57
83431 Lewisville, ID 11.0 mi N/A 0

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Coverage: 13/17 risk factors Data sources →
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