Red Oak, IA: 2 Violations - Home Safety 66/100
2 ZIP codes · 1 water system · Updated
ZipCheckup grade for Red Oak: C.
A mixed picture - some signals here are worth your attention.
Red Oak, IA: a C, mid-scale.
How Red Oak Compares
Data: EPA SDWIS
What You Should Know About Red Oak Water
- Your city's water systems recorded 2 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0027 mg/L.
- Health risk index (ZipCheckup composite of CDC data): 14.62.
Who Supplies Your Water in Red Oak
Federal drinking water data connect ZIP codes in Red Oak, IA to a count of 1 system, and the list on this page shows one of them. A listing reflects that link, not proof of which system serves a given street.
- C
Overview
We track home safety data for 2 ZIP codes in Red Oak, Iowa, covering 1 community water system serving approximately 7,004 people. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Red Oak: C (66/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Red Oak water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0027 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
2 of 2 ZIP records with known zones are in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Nitrate | Inorganic | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 51566 | C | 2 | 0 | Red Oak Water Supply |
All ZIP Codes in Red Oak
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Red Oak
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Red Oak Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Lead Exposure Risk for Children in Red Oak
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Available area-level lead records for Red Oak do not determine the lead level at an individual tap. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Red Oak
Historical NFIP data for Red Oak contains 46 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $3,443. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Red Oak
- Test your water at home. City-level data shows averages - your tap may differ. Check the certification, price and turnaround time of any water test kit or lab service.
- Install a certified water filter. For Nitrate, listed in the water-quality records for Red Oak: if it is a rule or reporting requirement rather than a contaminant, ask your utility what the record involved; for bacteria, follow any boil-water notice from your utility; for a specific chemical contaminant, check whether a filter is certified to reduce it. Not every contaminant has a consumer filter certification.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Red Oak, IA