Stillwater, NJ Water Safety: 63/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
The systems supplying Stillwater vary in performance across NJ benchmarks — most meet minimum federal standards, but documented violations in select areas are on record.
How Stillwater Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Stillwater Residents
- Estimated remediation: $1,600 per household.
- CDC health risk index: 11.2.
Stillwater's Water Providers
Federal records list 1 water system serving Stillwater, NJ. One provider accounts for the large majority of residential water connections in the area, concentrating infrastructure and compliance accountability.
Overview
We track water quality and home safety data for 1 ZIP code in Stillwater, New Jersey, covering 1 community water system serving approximately 8,300 people.
No EPA violations recorded across any ZIP codes in Stillwater — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Stillwater: 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
Stillwater water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Stillwater
- 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 |
|---|---|---|---|
| 07875 | C | NEWTON WATER & SEWER UTILITY | 8,300 |
All ZIP Codes in Stillwater
- 07875 [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.
Stillwater 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
Stillwater: Flood History & Water Damage Risk
The NFIP claim record for Stillwater — 3 filed incidents — reflects genuine, recurring flood exposure rather than an isolated event or two. When a community accumulates flood claims at this volume and carries 100% of its ZIP codes inside FEMA-designated zones, flood history starts to factor into water quality planning in ways it doesn't for lower-exposure areas. Flooding introduces specific contamination pathways — runoff overwhelming treatment facility intake, surface water infiltrating private wells, and pressure disruptions in distribution systems allowing backflow — all of which become more relevant as flood frequency increases.
Stillwater has a moderate flood history with 3 FEMA claims averaging $9,265 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 Stillwater
- 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. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for Stillwater, NJ