Shell Rock, IA (50670): High Radon Potential Area
EPA data for Shell Rock Muni Water Supp
EPA records for the water systems mapped to 50670 in Shell Rock, 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
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result of 0.0046 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.
- Flood 31 cumulative NFIP claim records. Check the current FEMA map for a specific address.
Get updates when new water-quality data is available for your area
Free alerts when new EPA data affects ZIP code 50670. No spam - just safety updates.
Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.
See incorrect data? Let us know
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: 3 of 4 components and 2 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (6) HIGH
Your Water System
ZIP code 50670 in Shell Rock, Iowa is mapped to the water system Shell Rock Muni Water Supp (EPA ID: IA1286042). This system provides water to approximately 1,269 people from groundwater sources.
Other Water Quality Reports in Iowa
- 50001 (Ackworth) - 2 violations recorded for mapped water systems
- 50002 (Adair)
- 50003 (Adel) - 9 violations recorded for mapped water systems
- 50005 (Albion)
- 50006 (Alden)
- 50007 (Alleman)
- 50008 (Allerton)
- 50009 (Altoona) - 5 violations recorded for mapped water systems
- 50010 (Ames) - 4 violations recorded for mapped water systems
- 50011 (Ames)
- 50012 (Ames) - 2 violations recorded for mapped water systems
- 50013 (Ames) - 2 violations recorded for mapped water systems
- 50014 (Ames) - 5 violations recorded for mapped water systems
- 50020 (Anita)
- 50021 (Ankeny)
- 50022 (Atlantic)
- 50023 (Ankeny)
- 50025 (Audubon)
- 50026 (Bagley)
- 50027 (Barnes City)
Nearby Water Quality Reports
- 50647 (Janesville) - 7 mi
- 50619 (Clarksville) - 8 mi
- 50660 (New Hartford) - 9 mi
- 50677 (Waverly) - 11 mi - 3 violations recorded for mapped water systems
- 50602 (Allison) - 11 mi
- 50666 (Plainfield) - 11 mi
- 50622 (Denver) - 13 mi
- 50665 (Parkersburg) - 13 mi
- 50673 (Stout) - 14 mi
- 50613 (Cedar Falls) - 14 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Shell Rock Muni Water Supp (IA1286042) 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.
Environmental Hazards (11) HIGH
Home & Infrastructure (6) HIGH
Possible home maintenance concerns - talk to a local expert.
Call (855) 384-4856Paid Partner This is a free service. You will be connected with an independent service provider. We may receive compensation.
Cost & Community (9) HIGH
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Protect Your Home in Shell Rock
Based on local data for ZIP 50670, these services may benefit homeowners in your area.
Based on local data for your area. Use the tools below to explore your options.
Home & Flood Insurance
The ZIP code for this report in Shell Rock has 31 FEMA flood claims on record. Standard homeowner policies don't cover flood damage - make sure you're protected.
Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote
Check Your Flood Zone (Free)FEMA flood map lookup - see if your property is in a flood zone
Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)
Gutter Installation & Repair
The median home in 50670 was built around 1951. 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 CostsWindow Replacement
The median build year of homes in Shell Rock is 1951; 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 CostsRoofing Inspection & Repair
Homes built around 1951 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 NeedsService 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 50670 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 50670 (primary system: Shell Rock Muni Water Supp), 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 50670's water come from?
The recorded water source for Shell Rock Muni Water Supp, a system mapped to ZIP code 50670, is Groundwater. This system serves approximately 1,269 people.
How can I get my water tested in Shell Rock?
If Shell Rock Muni Water Supp 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 50670 tap water?
The Lead and Copper Rule record selected for 50670 reports a 90th-percentile lead result of 0.0046 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 50670?
50670 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Butler County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
What does the NFIP claim history show for ZIP 50670?
FEMA records contain 31 flood insurance claims filed in ZIP code 50670; the recorded rated-zone value (the most frequent one if there are several claims) is A, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Shell Rock, IA (50670): High Radon Potential Area. https://zipcheckup.com/report/50670/
@misc{zipcheckup-report-50670,
author = {{ZipCheckup}},
title = {{Shell Rock, IA (50670): High Radon Potential Area}},
year = {2026},
url = {https://zipcheckup.com/report/50670/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 50670
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 50647 | Janesville, IA | 6.9 mi | C | 0 |
| 50619 | Clarksville, IA | 7.6 mi | N/A | 0 |
| 50660 | New Hartford, IA | 8.6 mi | N/A | 0 |
| 50677 | Waverly, IA | 10.5 mi | D | 3 |
| 50602 | Allison, IA | 10.6 mi | N/A | 0 |
| 50666 | Plainfield, IA | 10.7 mi | N/A | 0 |
| 50622 | Denver, IA | 12.8 mi | C | 0 |
| 50665 | Parkersburg, IA | 13.1 mi | N/A | 0 |
| 50673 | Stout, IA | 13.9 mi | N/A | 0 |
| 50613 | Cedar Falls, IA | 14.4 mi | C | 0 |
Nearby ZIP Code Reports
2026 Rankings for Your Area
Overall safety breakdown
Home Safety Score →Find the right water filter
Water Filter Matcher →Compare filters, tests & services
Compare My Options →Compare with another ZIP
Compare Tool →2026 Rankings