Bayville, NY: 1 Violation — 75/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Drinking water tracked for Bayville by NY authorities posts above-average scores — the majority of systems are free from health-based exceedances and the city's grade sits above the state median.
How Bayville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Bayville Residents
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.0019 mg/L.
- Homes built before 1986: 84% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 10.69.
Bayville's Water Providers
Across Bayville, NY, residential water comes from 2 primary utilities rather than a single consolidated provider. Each system operates independently — managing its own distribution infrastructure, rate schedules, and EPA compliance filings. Federal records track 2 water systems in the area, with these top providers accounting for the majority of residential connections.
Overview
We track water quality and home safety data for 1 ZIP code in Bayville, New York (population ~6,744), covering 2 community water systems serving approximately 14,200 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Bayville: B (75/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Bayville water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0019 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 11709 | B | 1 | 0 | Bayville (v) |
All ZIP Codes in Bayville
- 11709 [B] — 1 violation
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
Updated daily.
Bayville 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 Bayville's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Bayville Infrastructure Age
With 84% 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
The median home in Bayville was built in 1965 — a figure that places most of the city's residential stock in the era when lead solder was still standard in copper plumbing. Homes built before 1986 may have lead-soldered joints; those built before 1970 face the additional possibility of lead pipes in the service line itself.
Over half of homes in Bayville 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 Bayville
What does remediation cost in financial context for Bayville homeowners? Proportionally very little — the equity share here is low, and addressing documented issues is a manageable planning question rather than a material financial burden.
Remediation costs in Bayville are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 85% above the New York average.
Bayville: 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.
Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 84% of Bayville homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Bayville: Flood History & Water Damage Risk
Bayville's flood profile — 1384 NFIP claims over the program's multi-decade period and 100% of ZIP codes within FEMA-designated flood zones — reflects a community where flooding has shaped the local risk landscape in sustained ways. That sustained exposure has specific consequences for water quality that don't apply to lower-exposure areas. Treatment facilities handling intake from flood-saturated watersheds face contaminant loads that can exceed normal filtration capacity. Private wells in FEMA-designated zones face surface infiltration risk during every significant event. Distribution systems in areas that flood repeatedly accumulate backflow stress over time. None of these represent constant threats to water quality, but they are activated by the kinds of events that the NFIP record shows have occurred here, repeatedly, over many years.
Bayville has a significant flood history with 1,384 FEMA flood insurance claims on record, averaging $16,848 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
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. Flood damage can add significantly to the estimated <strong>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Bayville, NY