Hamilton, OH: 17 Violations - Home Safety 37/100
6 ZIP codes · 7 water systems · Updated
ZipCheckup grade for Hamilton: F.
Lowest grade in federal records; check your home directly.
Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →
Because the grade blends several data sources, a D or F for Hamilton, OH does not by itself say which one drove it; the ZIP-level reports show the underlying data.
How Hamilton Compares
Data: EPA SDWIS
Hamilton Water: The Quick Version
- Your city's water systems recorded 17 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0034 mg/L.
- Estimated remediation: $500 per household.
- Health risk index (ZipCheckup composite of CDC data): 13.4.
Water Systems Serving Hamilton
Service in Hamilton, OH can differ by address: 7 water systems are tied to the area in federal records, and the 3 largest are listed with their violation records.
- F
- F
- F
Overview
We track home safety data for 6 ZIP codes in Hamilton, Ohio (population ~139,271), covering 7 community water systems serving approximately 1,002,475 people region-wide. The EPA snapshots used for this build directly map water systems to 3 of 6 ZIP codes.
3 of 3 ZIP codes 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 Hamilton: F (37/100)
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
Hamilton water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0034 mg/L (EPA action level: 0.015 mg/L)
- 0 of 3 ZIP codes with known status exceed the EPA lead action level
Radon Risk
6 of 6 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 |
|---|---|---|---|
| Consumer Confidence Rule | Reporting | 13 | 3 |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 10 | 2 |
| Public Notice Rule | Reporting | 5 | 2 |
| Chlorite | Disinfection Byproducts | 4 | 3 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 45011 | F | 16 | 0 | Butler Company Water District 2 Public Water System |
| 45015 | F | 5 | 0 | Hamilton Public Water System |
| 45013 | F | 3 | 0 | Hamilton Public Water System |
All ZIP Codes in Hamilton
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.
CDC Health Data for Hamilton
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
Key Contaminants Detected in Hamilton
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Hamilton: Remediation Cost in Perspective
Of the three cost-context tiers - low, moderate and elevated - Hamilton is in the low one.
Estimated remediation costs in Hamilton can be compared with local home values. The $300–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 18% above the Ohio average.
Protecting Children from Lead in Hamilton
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 Hamilton 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 Flood-Claim Evidence for Hamilton
Historical NFIP data for Hamilton contains 128 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $12,085. 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. The $500 remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
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 Hamilton
- 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 Consumer Confidence Rule, listed in the water-quality records for Hamilton: 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.
- Review your water system's CCR. If you use a community water system, request its annual Consumer Confidence Report for system-level test results or find it online.
Deep Dive Reports
Detailed analysis for Hamilton, OH