Water Quality Report

Fonda, IA (50540): 1 Violation Recorded for Mapped Water Systems

EPA data for Rockwell City Water Supply

High County Radon Potential

EPA records for the water systems mapped to 50540 in Fonda, 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

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 Concerns 1 non-health-based violation record in EPA data
Lead Risk Below action level 0.002 mg/L, 90th percentile, sample period ending 2024-12-31
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 violation (non-health) (since 2021).
  • Lead The reported 90th-percentile lead result of 0.002 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
Violations on record (not health-based)
1 violation
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
1
Water System
2,250
People Served
0
Health Violations (since 2021)
Groundwater
Water Source
0.002 mg/L
Reported Lead Result
Zone 1
County Radon Potential · High
$99K
Median Home Value35% below state median ($152K)

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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
98/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
0/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

Drinking water
Unknown
Indoor environment
0/100
Outdoor environment
Unknown

Coverage: 2 of 4 components and 1 of 3 domains observed.

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

Safety & Health (5) HIGH

Your Water System

ZIP code 50540 in Fonda, Iowa is mapped to the water system Rockwell City Water Supply (EPA ID: IA1376098). This system provides water to approximately 2,250 people from groundwater sources.

Other Water Quality Reports in Iowa

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Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rockwell City Water Supply (IA1376098) 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) HIGH

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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 Fonda

Based on local data for ZIP 50540, 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 50540 was built around 1942. 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 Fonda is 1942; 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 1942 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 50540 safe to drink?

EPA SDWIS records 1 violation since 2021 across the water systems mapped to ZIP 50540 (primary system: Rockwell City 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 50540's water come from?

The recorded water source for Rockwell City Water Supply, a system mapped to ZIP code 50540, is Groundwater. This system serves approximately 2,250 people.

How can I get my water tested in Fonda?

If Rockwell City 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.

Is lead a concern in 50540 tap water?

The Lead and Copper Rule record selected for 50540 reports a 90th-percentile lead result of 0.002 mg/L for a water system mapped to this ZIP (record date 2024-12-31). 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 50540?

50540 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Pocahontas 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). Fonda, IA (50540): 1 Violation Recorded for Mapped Water Systems. https://zipcheckup.com/report/50540/
BibTeX 
@misc{zipcheckup-report-50540,
  author = {{ZipCheckup}},
  title  = {{Fonda, IA (50540): 1 Violation Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/50540/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 50540

ZIP Code City, State Distance Grade Violations
50593 Varina, IA 5.1 mi N/A 0
50575 Pomeroy, IA 8.3 mi N/A 3
50568 Newell, IA 8.4 mi N/A 0
50551 Jolley, IA 9.0 mi N/A 1
50574 Pocahontas, IA 11.7 mi N/A 0
50561 Lytton, IA 12.7 mi N/A 1
50510 Albert City, IA 14.3 mi N/A 0
50583 Sac City, IA 14.5 mi N/A 0
50567 Nemaha, IA 14.7 mi N/A 0
50571 Palmer, IA 14.8 mi N/A 0

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Coverage: 12/17 risk factors Data sources →
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