Newport Beach, CA: 6 Violations — 80/100 (2026)
6 ZIP codes · 6 water systems · Updated 2026-06-03
The water systems supplying Newport Beach show a track record of above-average compliance with federal standards — consistently among the better performers in CA.
How Newport Beach Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Newport Beach, CA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Safety grade breakdown for Newport Beach's 6 ZIP codes.
Key Facts for Newport Beach Residents
- Your city's water systems recorded 6 violations in the past 5 years.
- Average lead level: 0.009 mg/L.
- Homes built before 1986: 75% — older plumbing may contain lead solder.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 10.23.
Newport Beach's Water Providers
3 water utilities share the residential service territory in Newport Beach, CA — out of 6 total systems in federal records.
Overview
We track water quality and home safety data for 6 ZIP codes in Newport Beach, California (population ~61,752), covering 6 community water systems serving approximately 623,936 people region-wide.
6 of 6 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Newport Beach: B (80/100)
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
Newport Beach water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0090 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 6 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 7 | 6 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 92658 | A | 1 | 0 | City of Newport Beach |
| 92659 | A | 1 | 0 | City of Newport Beach |
| 92660 | B | 1 | 0 | City of Newport Beach |
| 92661 | B | 1 | 0 | City of Newport Beach |
| 92662 | B | 1 | 0 | City of Newport Beach |
| 92663 | B | 1 | 0 | City of Newport Beach |
All ZIP Codes in Newport Beach
- 92658 [A] — 1 violation
- 92659 [A] — 1 violation
- 92660 [B] — 1 violation
- 92661 [B] — 1 violation
- 92662 [B] — 1 violation
- 92663 [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.
Newport Beach 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
What's in Newport Beach's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Newport Beach Infrastructure Age
With 75% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Federal plumbing rules changed in two stages — lead pipes were phased out before 1970, and lead solder was banned in 1986 — but in Newport Beach, where the median build year is 1966, most of the housing was already in place before those rules took effect. The materials installed under older standards remain embedded in a substantial portion of the residential inventory today.
Over half of homes in Newport Beach were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Newport Beach
Property equity in Newport Beach runs well ahead of estimated remediation costs — a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.
Remediation costs in Newport Beach are relatively low compared to home values. The $1,050–$2,375 estimated range is a small fraction of median property value. Home values are 171% above the California average.
Newport Beach: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 75% of Newport Beach stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Newport Beach: Flood History & Water Damage Risk
A moderate NFIP record for Newport Beach — 276 insurance claims paired with 67% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Newport Beach has a moderate flood history with 276 FEMA claims averaging $7,856 per payout. 67% 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.
Deep Dive Reports
Detailed analysis for Newport Beach, CA