Water Quality Report

Torrance, CA (90506) Home Safety Report

EPA data for Gswc - Southwest

0 recorded EPA violations (2021-2026)

EPA records for the water systems mapped to 90506 in Torrance, CA contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.

Data source: U.S. Environmental Protection Agency (EPA) SDWIS

Based on EPA Drinking Water FEMA Flood Data U.S. Census CDC Energy Information Admin. USGS Water Data & 9 more federal sources
Latest air quality, EPA records and weather alerts Current data temporarily unavailable
Current EPA violation data unavailable
Water records and current conditions
Current EPA violation data unavailable
Safety Score N/A
Water Quality No violations
Lead Risk Below action level Below the reporting limit, 90th percentile, sample period ending 2022-12-31
NFIP Claim History N/A
Data confidence: High (direct measurement) Medium (sampled / sub-geography) Low (modeled / inferred) Methodology →

At a Glance

  • Water No drinking-water violations in EPA records since 2021.
  • Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
  • Radon EPA Zone 2 - county-level radon potential, not a home measurement.
Contaminant Summary
Evidence unavailable
Report data assembled: Jul 27, 2026 EPA water-system identity: source date or period is not present in ZipCheckup's accepted source record EPA violation history: more than two update cycles old Lead, copper and UCMR measurements: source date or period is not present in ZipCheckup's accepted source record
1
Water System
277,740
People Served
0
Health Violations (since 2021)
Surface water
Water Source
Zone 2
County Radon Potential · Moderate

Get updates when new water-quality data is available for your area

Free alerts when new EPA data affects ZIP code 90506. No spam - just safety updates.

Unsubscribe anytime. We only send updates when your safety score changes. See our Privacy Policy.

Score Breakdown

Overall Home Safety Score: Score unavailable

Required evidence is missing. Missing values remain unknown and are not imputed or renormalized.

Canonical components

EPA water compliance
100/100
Observed
PFAS MCL screen
Unknown
Evidence missing
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
75/100
Observed

Required domains

Drinking water
Unknown
Indoor environment
50/100
Outdoor environment
75/100

Coverage: 3 of 4 components and 2 of 3 domains observed.

Model 4.0.0; series home-safety-v4-cross-vertical.

Safety & Health (6) HIGH

Your Water System

ZIP code 90506 in Torrance, California is mapped to the water system Gswc - Southwest (EPA ID: CA1910155). This system provides water to approximately 277,740 people from surface water sources.

Other Water Quality Reports in California

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Gswc - Southwest (CA1910155) on EPA.gov.

3 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.

📊 EPA Safe Drinking Water · View source →
Environmental Hazards (9) CRITICAL
Home & Infrastructure (2) OK
Cost & Community (6) OK

CPSC product recall notices

These national notices are not matched to this ZIP code or water system.

View all recalls →

📊 CPSC · View source →

Protect Your Home in Torrance

Based on local data for ZIP 90506, these services may benefit homeowners in your area.

Based on local data for your area. Use the tools below to explore your options.

Roofing Inspection & Repair

Active weather alerts in California increase the risk of roof damage from hail and high winds. A professional inspection can identify vulnerabilities.

Typical cost: Roof inspection: typically $75–$300; repairs $300–$1,500

Estimate Your Home Insurance Needs

Service recommendations are based on public data for this ZIP code (FEMA, Census ACS, NWS). Actual needs vary by property. By calling, your information will be shared with an independent service provider. ZipCheckup may receive compensation. Cost estimates are approximate and vary by property, condition, and contractor.

Frequently Asked Questions

Is the tap water in 90506 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 90506 (primary system: Gswc - Southwest), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.

Where does 90506's water come from?

The recorded water source for Gswc - Southwest, a system mapped to ZIP code 90506, is Surface water. This system serves approximately 277,740 people.

How can I get my water tested in Torrance?

If Gswc - Southwest supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.

What is the radon risk for 90506?

90506 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in Los Angeles County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

How to cite this page

APA ZipCheckup. (2026). Torrance, CA (90506) Home Safety Report. https://zipcheckup.com/report/90506/
BibTeX
@misc{zipcheckup-report-90506,
  author = {{ZipCheckup}},
  title  = {{Torrance, CA (90506) Home Safety Report}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/90506/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 90506

ZIP Code City, State Distance Grade Violations
90073 Los Angeles, CA <1 mi N/A 0
90079 Los Angeles, CA <1 mi N/A 0
90089 Los Angeles, CA <1 mi N/A 0
90095 Los Angeles, CA <1 mi B 0
90224 Compton, CA <1 mi N/A 0
90267 Manhattan Beach, CA <1 mi N/A 0
90295 Marina Del Rey, CA <1 mi N/A 0
90296 Playa Del Rey, CA <1 mi N/A 0
90307 Inglewood, CA <1 mi N/A 0
90309 Inglewood, CA <1 mi N/A 0

Overall safety breakdown

Home Safety Score →

Find the right water filter

Water Filter Matcher →

Compare filters, tests & services

Compare My Options →

Compare with another ZIP

Compare Tool →
Coverage: 11/17 risk factors Data sources →
Get alerts for 90506