Ctwc - Shoreline Region-sound View
EPA ID: CT1050732 · 3,028 people served · 1 ZIP code
Federal data shows 7 unresolved violations at Ctwc - Shoreline Region-sound View — roughly 3,028 residents in the service area.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Ctwc - Shoreline Region-sound View Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Ctwc - Shoreline Region-sound View serves a community with a median household income of $127,429 and an estimated 9,855 residents across its service area. Approximately 75% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Ctwc - Shoreline Region-sound View's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Ctwc - Shoreline Region-sound View compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 7 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 6 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 6 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Connecticut
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Ctwc - Shoreline Region-sound View (EPA ID: CT1050732) is a community water system in Connecticut that serves approximately 3,028 people from groundwater sources.
This system serves ZIP code 06371 in Old Lyme.
Average Home Safety Score: D (40/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 10, 2025 | Surface Water Treatment Rule | Monitoring | Resolved |
| March 23, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Unresolved |
| June 20, 2024 | Contaminant 0700 | Health-based | Resolved |
| July 1, 2023 | Stage 1 DBP Rule | Monitoring | Resolved |
| April 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 7 | No |
| Stage 2 DBP Rule | Treatment Failure | 6 | Yes |
| Surface Water Treatment Rule | Treatment Failure | 6 | No |
| Consumer Confidence Report Rule | Reporting Failure | 3 | Yes |
| Lead and Copper Rule | Treatment Failure | 2 | No |
| Contaminant 2998 | Other Violation | 1 | No |
| Total Coliform | Microbiological | 1 | No |
| Contaminant 0700 | Other Violation | 1 | Yes |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 06371 | 0.0021 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CT or modeled from parcel and building-footprint data.
- 06371 — Old Lyme
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Ctwc - Shoreline Region-sound View (CT1050732) on EPA.gov.
Frequently Asked Questions
Is Ctwc - Shoreline Region-sound View water safe to drink?
Ctwc - Shoreline Region-sound View has recorded 6 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Ctwc - Shoreline Region-sound View serve?
Ctwc - Shoreline Region-sound View serves approximately 3,028 people across 1 ZIP code in Connecticut.
Where does Ctwc - Shoreline Region-sound View get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Ctwc - Shoreline Region-sound View (EPA ID: CT1050732) — request the latest Consumer Confidence Report or ask about specific contaminants.