Water Quality Report

Olin, IA (52320): 2 Violations Recorded for Mapped Water Systems

EPA data for Olin Water Supply

High County Radon Potential

EPA records for the water systems mapped to 52320 in Olin, IA contain 2 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

Safety Score N/A

Water Quality Concerns 2 non-health-based violation records in EPA data

Lead Risk Below action level 0.0031 mg/L, 90th percentile, sample period ending 2024-12-31

NFIP Claim History Claim records 27 claims

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 2 violations (non-health) (since 2021).
Lead The reported 90th-percentile lead result of 0.0031 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 27 cumulative NFIP claim records. Check the current FEMA map for a specific address.

Contaminant Summary

Violations on record (not health-based)

2 violations

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

Water System

651

People Served

Health Violations (since 2021)

Groundwater

Water Source

0.0031 mg/L

Reported Lead Result1.3× the national median for this measure

Zone 1

County Radon Potential · High

$132K

Median Home Value13% 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

100/100

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 52320 in Olin, Iowa is mapped to the water system Olin Water Supply (EPA ID: IA5355094). This system provides water to approximately 651 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

52312 (Morley) - 5 mi
52337 (Stanwood) - 7 mi
52216 (Clarence) - 8 mi
52362 (Wyoming) - 9 mi
52212 (Center Junction) - 9 mi
52305 (Martelle) - 9 mi
52306 (Mechanicsville) - 9 mi
52323 (Oxford Junction) - 10 mi
52321 (Onslow) - 10 mi
52205 (Anamosa) - 11 mi - 2 violations recorded for mapped water systems

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Olin Water Supply (IA5355094) 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 (11) HIGH

Home & Infrastructure (6) HIGH

Possible home maintenance concerns - talk to a local expert.

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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 Olin

Based on local data for ZIP 52320, 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 Olin has 27 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 52320 was built around 1959. 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 Olin is 1959; 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 1959 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 52320 safe to drink?

EPA SDWIS records 2 violations since 2021 across the water systems mapped to ZIP 52320 (primary system: Olin 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 52320's water come from?

The recorded water source for Olin Water Supply, a system mapped to ZIP code 52320, is Groundwater. This system serves approximately 651 people.

How can I get my water tested in Olin?

If Olin 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 52320 tap water?

The Lead and Copper Rule record selected for 52320 reports a 90th-percentile lead result of 0.0031 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 52320?

52320 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Jones 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 52320?

FEMA records contain 27 flood insurance claims filed in ZIP code 52320; the recorded rated-zone value (the most frequent one if there are several claims) is X, 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

APA

ZipCheckup. (2026). Olin, IA (52320): 2 Violations Recorded for Mapped Water Systems. https://zipcheckup.com/report/52320/

BibTeX

@misc{zipcheckup-report-52320,
  author = {{ZipCheckup}},
  title  = {{Olin, IA (52320): 2 Violations Recorded for Mapped Water Systems}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/52320/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 52320

ZIP Code	City, State	Distance	Grade	Violations
52312	Morley, IA	5.4 mi	N/A	0
52337	Stanwood, IA	7.0 mi	N/A	0
52216	Clarence, IA	8.4 mi	N/A	0
52362	Wyoming, IA	8.8 mi	N/A	0
52212	Center Junction, IA	8.8 mi	N/A	0
52305	Martelle, IA	9.3 mi	N/A	0
52306	Mechanicsville, IA	9.4 mi	N/A	0
52323	Oxford Junction, IA	9.6 mi	N/A	0
52321	Onslow, IA	10.1 mi	N/A	0
52205	Anamosa, IA	10.7 mi	N/A	2