Water Quality Report

San Francisco, CA (94107) Home Safety Report

EPA data for Sfpuc City Distribution Division

0 recorded EPA violations (2021-2026)

EPA records for the water systems mapped to 94107 in San Francisco, 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 2024-12-31
NFIP Claim History Claim records 1 claim
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.
  • Flood 1 cumulative NFIP claim record. Claim evidence is historical, not current map coverage.
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 Consumer Confidence Report: source date or period is not present in ZipCheckup's accepted source record
1
Water System
848,019
People Served
0
Health Violations (since 2021)
Surface water
Water Source
Zone 2
County Radon Potential · Moderate
$1227K
Median Home Value95% above state median ($629K)

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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
100/100
Observed
EPA radon zone
50/100
Observed
Annual EPA AirData AQI
Unknown
Evidence missing

Required domains

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

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

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

Safety & Health (7) MODERATE

Your Water System

ZIP code 94107 in San Francisco, California is mapped to the water system Sfpuc City Distribution Division (EPA ID: CA3810011). This system provides water to approximately 848,019 people from surface water sources.

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Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Sfpuc City Distribution Division (CA3810011) on EPA.gov.

2 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 →

UCMR 5 PFAS monitoring: no reportable detections in available records

Available federal UCMR5 records for water systems mapped to ZIP code 94107 show no PFAS detections among the compounds tested, at the program's reporting levels.

The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.

📊 EPA UCMR5 · View source →
Environmental Hazards (11) CRITICAL
Home & Infrastructure (6) OK
Cost & Community (9) HIGH

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 San Francisco

Based on local data for ZIP 94107, these services may benefit homeowners in your area.

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

Home & Flood Insurance

The ZIP code for this report in San Francisco has 1 FEMA flood claim on record. Standard homeowner policies don't cover flood damage - make sure you're protected.

Typical cost: Flood insurance: premiums vary by property and flood zone; request a quote

Check Your Flood Zone (Free)

FEMA flood map lookup - see if your property is in a flood zone

Free tip: Check your FEMA flood zone at msc.fema.gov (free lookup)

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 94107 safe to drink?

EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 94107 (primary system: Sfpuc City Distribution Division), 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 94107's water come from?

The recorded water source for Sfpuc City Distribution Division, a system mapped to ZIP code 94107, is Surface water. This system serves approximately 848,019 people.

How can I get my water tested in San Francisco?

If Sfpuc City Distribution Division 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 94107?

94107 is mapped to a county in EPA Radon Zone 2 (moderate county-level radon potential; EPA recommends testing every home), located in San Francisco County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.

What does the NFIP claim history show for ZIP 94107?

FEMA records contain 1 flood insurance claim filed in ZIP code 94107. Claim records do not establish current property risk. Review FEMA's map for the specific property.

How to cite this page

APA ZipCheckup. (2026). San Francisco, CA (94107) Home Safety Report. https://zipcheckup.com/report/94107/
BibTeX
@misc{zipcheckup-report-94107,
  author = {{ZipCheckup}},
  title  = {{San Francisco, CA (94107) Home Safety Report}},
  year   = {2026},
  url    = {https://zipcheckup.com/report/94107/}
}

Page version: October 2026.

Nearby ZIP Code Reports

Water quality comparison for ZIP codes near 94107

ZIP Code City, State Distance Grade Violations
94158 San Francisco, CA <1 mi N/A 0
94101 San Francisco, CA <1 mi N/A 0
94136 San Francisco, CA <1 mi N/A 0
94150 San Francisco, CA <1 mi N/A 0
94153 San Francisco, CA <1 mi N/A 0
94154 San Francisco, CA <1 mi N/A 0
94171 San Francisco, CA <1 mi N/A 0
94175 San Francisco, CA <1 mi N/A 0
94103 San Francisco, CA 1.2 mi N/A 0
94156 San Francisco, CA 1.2 mi N/A 0

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Coverage: 15/17 risk factors Data sources →
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