Dennison, OH: 4 Violations - Home Safety Score unavailable
1 ZIP code · 2 water systems · Updated
Data: EPA SDWIS
Key Facts for Dennison Residents
- Your city's water systems recorded 4 violations in the past 5 years.
- Average lead level: 0.002 mg/L.
- Homes built before 1986: 76% - older plumbing may contain lead solder.
- Estimated remediation: $2,400 per household.
- CDC health risk index: 15.38 - above typical levels.
Dennison's Water Providers
Structurally, Dennison, OH's water supply is divided. Federal data identifies 2 water systems in the area, with 2 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track home safety data for 1 ZIP code in Dennison, Ohio (population ~4,639), covering 2 community water systems serving approximately 11,371 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
Water Sources
Dennison water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0020 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
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 4 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 44621 | — | 4 | 1 | Twin City Water and Sewer District Public Water System |
All ZIP Codes in Dennison
- 44621 - 4 violations ⚠
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.
Dennison Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Dennison's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Dennison Infrastructure Age
With 76% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Because the majority of Dennison's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1966 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in Dennison were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Dennison
The Dennison remediation share exceeds what lower-tier markets face - the cost-to-value ratio here is elevated, and the household financial perspective reflects a commitment that most homeowners need to plan for explicitly.
At 2.0% of home value, remediation costs in Dennison represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $1,600–$3,300. Home values here are 35% below the Ohio average.
Dennison: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Routinely in Dennison, where 76% of housing predates the solder ban and aggregate utility readings hover near the federal threshold, a faucet-level draw functions as a standard household step for families with small kids.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Dennison: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Dennison contains 11 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $5,141. Among ZIP codes with claim records, 0% 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 <strong>$2,400</strong> 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.
Deep Dive Reports
Detailed analysis for Dennison, OH