New Preston Marble Dale, CT Water Safety: 63/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-04
Compliance figures for New Preston Marble Dale indicate average water quality in CT overall — some service areas have recorded health-based violations in recent monitoring cycles, while others operate cleanly, making system-level data the most actionable reference point for residents.
How New Preston Marble Dale Compares
Data: EPA SDWIS Last verified: 2026-06-04
What You Should Know About New Preston Marble Dale Water
- Homes built before 1986: 70% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
Who Supplies Your Water in New Preston Marble Dale
Structurally, New Preston Marble Dale, CT'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 water quality and home safety data for 1 ZIP code in New Preston Marble Dale, Connecticut, covering 2 community water systems serving approximately 1,802 people.
No EPA violations recorded across any ZIP codes in New Preston Marble Dale — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for New Preston Marble Dale: C (63/100)
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
New Preston Marble Dale water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for New Preston Marble Dale
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 06777 | C | Aquarion-judea Main | 219 |
All ZIP Codes in New Preston Marble Dale
- 06777 [C]
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.
Housing & Infrastructure in New Preston Marble Dale
With 70% 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
Heavily weighted toward older construction, New Preston Marble Dale's housing stock carries a median build year of 1976. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in New Preston Marble Dale 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.
Cost Context: What Remediation Means for New Preston Marble Dale Homeowners
Across New Preston Marble Dale, the equity share taken up by estimated remediation is small — a favorable ratio for most property owners.
Remediation costs in New Preston Marble Dale are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 10% above the Connecticut average.
Lead Exposure Risk for Children in New Preston Marble Dale
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.
After the federal action removing lead-bearing solder from new plumbing took effect, building practice shifted — but 70% of the New Preston Marble Dale inventory predates that line. With aggregate samples near or beyond 0.015 mg/L, an in-home check moves out of the optional column into the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in New Preston Marble Dale
The National Flood Insurance Program captures decades of claims at the local level, building a record of cumulative community flood exposure. For New Preston Marble Dale, that record documents 10 claims and 100% of ZIP codes inside FEMA-designated flood zones. What makes those numbers relevant to water quality is the set of mechanisms flooding activates: heavy precipitation that floods treatment intake zones can introduce contaminants upstream of normal filtration; well casings in low-lying areas can be infiltrated by floodwaters carrying bacteria, sediment, and chemical residue; and distribution system pressure changes during flooding can create backflow conditions. These effects become more probable as flood frequency and magnitude increase — and the NFIP record indicates both are meaningful factors locally.
New Preston Marble Dale has a moderate flood history with 10 FEMA claims averaging $3,235 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
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>$1,600</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.
What You Can Do in New Preston Marble Dale
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 70% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for New Preston Marble Dale, CT