Kentfield, CA Water Safety: 73/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Kentfield tap water earns a high safety grade — above-average compliance with CA and federal standards.
How Kentfield Compares
Data: EPA SDWIS Last verified: 2026-06-03
Kentfield Water: The Quick Version
- Estimated remediation: $1,200 per household.
- CDC health risk index: 10.78.
Water Systems Serving Kentfield
With one provider handling most of Kentfield's residential supply in CA, water service accountability is concentrated in a single utility among the 1 system on record.
Overview
We track water quality and home safety data for 1 ZIP code in Kentfield, California, covering 1 community water system serving approximately 300 people.
No EPA violations recorded across any ZIP codes in Kentfield — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Kentfield: B (73/100)
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
Kentfield water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Kentfield
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 94914 | B | MOREHEAD PARK | 300 |
All ZIP Codes in Kentfield
- 94914 [B]
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.
CDC Health Data for Kentfield
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
Climate-Related Water Risk for Kentfield
Taken together, Kentfield's 2 NFIP flood insurance claims and 100% FEMA flood zone coverage place it in the moderate range of exposure. That middle position has specific implications for water quality. The contamination pathways that flooding can open — surface water overwhelming treatment facility intake, floodwaters infiltrating private wells, distribution pressure changes creating backflow — are not constant risks in a moderate-exposure community. But they do become active during significant flood events, and the claim record here indicates enough of those events to make flood timing an occasional factor in local water quality conversations.
Kentfield has a moderate flood history with 2 FEMA claims averaging $125 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>$1,200</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.
Deep Dive Reports
Detailed analysis for Kentfield, CA