Chatsworth, CA: 1 Violation - Home Safety 75/100
2 ZIP codes · 4 water systems · Updated
ZipCheckup grade for Chatsworth: B.
This ZIP looks solid, with a few items worth a quick check.
In current CA EPA data, Chatsworth's tap water sits in the high-safety tier.
How Chatsworth Compares
Data: EPA SDWIS
What You Should Know About Chatsworth Water
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.008 mg/L.
- Estimated remediation: $1,000 per household.
- CDC health risk index: 10.71.
Who Supplies Your Water in Chatsworth
Throughout Chatsworth, CA, water comes from one of 3 primary utilities out of 4 total systems - independent providers with different rate structures, infrastructure, and compliance records that vary across the service territory.
- B
- B
- B
Overview
We track home safety data for 2 ZIP codes in Chatsworth, California (population ~40,557), covering 4 community water systems serving approximately 4,044,852 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Home Safety Score
Average Home Safety Score for Chatsworth: B (75/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Chatsworth water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0080 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Lead | Inorganic | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 91311 | B | 1 | 0 | Los Angeles-city, Department of Water & Power |
All ZIP Codes in Chatsworth
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Chatsworth
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
Top Contaminants in Chatsworth Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Chatsworth Homeowners
Given current Chatsworth valuations, the remediation-to-property-value ratio is low - most homeowners are looking at a proportionally modest share that fits within routine financial planning.
Remediation costs in Chatsworth are relatively low compared to home values. The $400–$1,700 estimated range is a small fraction of median property value. Home values are 13% above the California average.
Lead Exposure Risk for Children in Chatsworth
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.
Lead risk in Chatsworth appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical NFIP Claim Context in Chatsworth
Historical NFIP data for Chatsworth contains 25 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $9,060. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$1,000</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Chatsworth, CA