Piedra, CA: 1 Violation — 70/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Water utilities in Piedra have maintained a consistent compliance record over recent monitoring periods — the city's above-average grade in CA reflects low violation rates and no systemic health concerns flagged in current data.
How Piedra Compares
Data: EPA SDWIS Last verified: 2026-06-03
Piedra Water: The Quick Version
- Your city's water systems recorded 1 violation in the past 5 years.
- Estimated remediation: $400 per household.
- CDC health risk index: 12.33 — above typical levels.
Water Systems Serving Piedra
Federal drinking water records identify 1 system operating in Piedra, CA. One of those systems serves the overwhelming majority of residential addresses, concentrating infrastructure management, rate authority, and EPA compliance reporting within a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in Piedra, California, covering 1 community water system serving approximately 36 people.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Piedra: B (70/100)
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
Piedra water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Piedra
- 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.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 93649 | B | 1 | 0 | Kings River Point |
All ZIP Codes in Piedra
- 93649 [B] — 1 violation
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 Piedra
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
Key Contaminants Detected in Piedra
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Deep Dive Reports
Detailed analysis for Piedra, CA