Niantic, CT: PFAS Found in Water - Home Safety 36/100
1 ZIP code · 1 water system · Updated
ZipCheckup grade for Niantic: F.
Federal data flags serious home-safety risks for this ZIP.
Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →
Although conditions vary by service area, Niantic's water systems collectively show below-average compliance within CT - health-based violations are documented throughout the city, and the overall grade reflects a pattern rather than isolated incidents.
How Niantic Compares
Data: EPA SDWIS
Key Facts for Niantic Residents
- Your city's water systems recorded 42 violations in the past 5 years.
- Homes built before 1986: 72% - older plumbing may contain lead solder.
- Estimated remediation: $3,900 per household.
Niantic's Water Providers
The structure of water supply in Niantic, CT is straightforward: one utility provides the bulk of residential service among 1 tracked system, concentrating rate-setting and infrastructure decisions under a single organization.
- F
Overview
We track home safety data for 1 ZIP code in Niantic, Connecticut, covering 1 community water system serving approximately 11,315 people. 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. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Niantic: F (36/100)
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
Niantic water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0000 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 |
|---|---|---|---|
| PFOA | PFAS | 4 | 1 |
| PFNA | PFAS | 4 | 1 |
| Dichloroacetic Acid | Disinfection Byproducts | 4 | 1 |
| Bromodichloromethane | Disinfection Byproducts | 4 | 1 |
| Dibromochloromethane | Disinfection Byproducts | 4 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 06357 | F | 42 | 0 | East Lyme Water & Sewer Commission |
All ZIP Codes in Niantic
- 06357 [F] - 42 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.
What's in Niantic's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Niantic Infrastructure Age
With 72% 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
When more than half a city's housing predates the 1986 federal ban on lead solder, plumbing-era lead risk becomes a citywide concern rather than an exception. Niantic's median build year of 1965 places it squarely in that category.
Over half of homes in Niantic 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 Niantic
Property value and cost data for Niantic produce a moderate remediation-share classification - a level where advance financial planning has real practical value and the commitment is realistic for most homeowners who approach it deliberately.
Remediation costs are moderate relative to home values in Niantic. The estimated $2,550–$5,400 range is manageable for most homeowners but still worth budgeting for. Home values are 9% below the Connecticut average.
Niantic: 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.
Older stock in Niantic represents 72% of the inventory, and citywide monitoring runs at or above the federal action level - making an in-home read a standard household-level step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Niantic: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Niantic contains 169 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $27,714. 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 <strong>$3,900</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.
What You Can Do in Niantic
- 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. Filters rated for PFOA can reduce the most common contaminant found in Niantic's water.
- Check your home's plumbing. With 72% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Niantic, CT