Twin Ridge Condos
EPA ID: NH1932050 · 348 people served · 1 ZIP code
Throughout five consecutive years of federal water monitoring, Twin Ridge Condos recorded zero violations — solid performance for a utility serving 348 people.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Stable · Risk tier: High · 78% chance of violation in next 12 months
Violations went from 2 (2021) to 3 (2023). Violation counts have remained relatively steady.
Service Area Map
Coverage area for Twin Ridge Condos Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Twin Ridge Condos serves a community with a median household income of $109,040 and an estimated 7,850 residents across its service area. Approximately 69% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Twin Ridge Condos's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Rockingham County, New Hampshire rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 5 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in New Hampshire
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
Twin Ridge Condos (EPA ID: NH1932050) is a community water system in New Hampshire that serves approximately 348 people from surface water sources.
This system serves ZIP code 03865 in Plaistow.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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 NH or modeled from parcel and building-footprint data.
- 03865 — Plaistow
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Twin Ridge Condos (NH1932050) on EPA.gov.
Frequently Asked Questions
Is Twin Ridge Condos water safe to drink?
Based on EPA records, Twin Ridge Condos has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Twin Ridge Condos serve?
Twin Ridge Condos serves approximately 348 people across 1 ZIP code in New Hampshire.
Where does Twin Ridge Condos get its water?
The primary water source is surface water.