CITY REPORT OH

Terrace Park, OH: High Radon Potential Area - Home Safety 42/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Terrace Park: D.

Federal records show several conditions worth reviewing.

Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →

On the A-F scale ZipCheckup uses, Terrace Park, OH rates a D or an F.

How Terrace Park Compares

Terrace Park42/100
Ohio avg60/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
0
ZIPs Linked to Systems with Violations
D · 42
Avg Safety Score
Zone 1
County Radon Potential (High)
$581K
Median Home Value
$600
Est. Remediation (0.1% of home value)

Terrace Park Water: The Quick Version

  • Average of reported 90th-percentile lead results: 0.0016 mg/L.
  • Homes built before 1986: 86% - older plumbing may contain lead solder.
  • Estimated remediation: $600 per household.
  • Health risk index (ZipCheckup composite of CDC data): 13.16.

Water Systems Serving Terrace Park

Only a single entry appears in the water system list for Terrace Park, OH; federal records tie 1 to the area.

Overview

We track home safety data for 1 ZIP code in Terrace Park, Ohio (population ~2,294), covering 1 community water system serving approximately 15,000 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Terrace Park: D (42/100)

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

Terrace Park water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0016 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

1 of 1 ZIP records with known zones is 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.

Areas with No Violations

ZIP Code Safety Score System Population
45174 D Indian Hill City Public Water System 15,000

All ZIP Codes in Terrace Park

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

CDC Health Data for Terrace Park

11.4%
Asthma (US: 9.8%)
13.2%
Diabetes (US: 10.4%)
17.3%
Poor Mental Health (US: 14.8%)

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

Asthma 11.4% ↑
Diabetes 13.2% ↑
Mental Health 17.3% ↑

Vertical line = national average. ■ Above national · ■ Below national

How Old Is Terrace Park's Housing Stock?

1954
Median Build Year
86%
Built Before 1986
76%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 86% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

By Census estimates, roughly half or more of the homes in Terrace Park were built before 1986; the median build year is 1954.

1954
Median Year Built
86%
Pre-1986 (lead solder era; lead paint banned 1978)
76%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (76%) 1970–1986 (10%) Post-1986 (14%)

Over half of homes in Terrace Park were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Terrace Park: Remediation Cost in Perspective

Low tier for Terrace Park: remediation estimated at up to 1% of what homes are worth.

Median Home Value
$581,000
Est. Remediation
$600
Remediation as % of home value 0.1%

Estimated remediation costs in Terrace Park can be compared with local home values. The $400–$800 estimated range can be set against the median property value; actual costs vary by home. Home values are 216% above the Ohio average.

Protecting Children from Lead in Terrace Park

86%
Homes Built Before 1986
0.0016
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

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.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical Flood-Claim Evidence for Terrace Park

14
Total FEMA Flood Claims
$22,939
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Terrace Park contains 14 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $22,939. 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 $600 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 Terrace Park

  1. 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.
  2. Install a certified water filter. Choose a pitcher or under-sink filter certified to reduce the specific contaminants of concern.
  3. Check your home's plumbing. With 86% of homes built before 1986, lead solder is a real possibility.
  4. 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 Terrace Park, OH

Frequently Asked Questions

What does the Home Safety Score mean for Terrace Park, OH?
Terrace Park has an average Home Safety Score of 42/100 (Grade D) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
Does Terrace Park water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Terrace Park is 0.0016 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How does Terrace Park compare to Ohio average?
Terrace Park has an average Home Safety Score of 42/100, which is below the Ohio state average of 60/100 for the same model series.
How many water systems serve Terrace Park?
Our records map 1 water system to 1 ZIP code in Terrace Park. The related population figure in our data is approximately 2,294 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Terrace Park?
Estimated remediation cost per household in Terrace Park: $600; modeled range $400 to $800. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Terrace Park, OH: High Radon Potential Area - Home Safety 42/100. https://zipcheckup.com/cities/oh/terrace-park/
BibTeX 
@misc{zipcheckup-cities-oh-terrace-park,
  author = {{ZipCheckup}},
  title  = {{Terrace Park, OH: High Radon Potential Area - Home Safety 42/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/oh/terrace-park/}
}

Page version: October 2026.

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