ZipCheckup grade for 95387: A.
Checked records flag no major concern; missing data is unknown.
Westley, CA (95387) Home Safety: 92/100
EPA data for Western Hills Water District/diablo Gran
EPA records for the water systems mapped to 95387 in Westley, 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
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 3 - county-level radon potential, not evidence of a low home result.
- Flood 2 cumulative NFIP claim records. Claim evidence is historical, not current map coverage.
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Score Breakdown
Overall Home Safety Score: 92/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) MODERATE
Your Water System
ZIP code 95387 in Westley, California is mapped to the water system Western Hills Water District/diablo Gran (EPA ID: CA5010039). This system provides water to approximately 2,000 people from surface water sources.
Other Water Quality Reports in California
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- 90002 (Los Angeles)
- 90003 (Los Angeles)
- 90004 (Los Angeles)
- 90005 (Los Angeles)
- 90006 (Los Angeles)
- 90007 (Los Angeles)
- 90008 (Los Angeles)
- 90009 (Los Angeles)
- 90010 (Los Angeles)
- 90011 (Los Angeles)
- 90012 (Los Angeles)
- 90013 (Los Angeles)
- 90014 (Los Angeles)
- 90015 (Los Angeles)
- 90016 (Los Angeles)
- 90017 (Los Angeles)
- 90018 (Los Angeles)
- 90019 (Los Angeles)
- 90020 (Los Angeles)
Nearby Water Quality Reports
- 95385 (Vernalis) - 5 mi
- 95363 (Patterson) - 5 mi
- 95358 (Modesto) - 11 mi
- 95313 (Crows Landing) - 13 mi
- 95368 (Salida) - 14 mi
- 95351 (Modesto) - 14 mi - 4 violations recorded for mapped water systems
- 95352 (Modesto) - 14 mi
- 95397 (Modesto) - 14 mi
- 95353 (Modesto) - 14 mi
- 95378 (Tracy) - 15 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Western Hills Water District/diablo Gran (CA5010039) 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.
Environmental Hazards (11) HIGH
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.
Protect Your Home in Westley
Based on local data for ZIP 95387, 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 Westley has 2 FEMA flood claims 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)
Gutter Installation & Repair
The median home in 95387 was built around 1983. Aging gutters can cause foundation damage, basement flooding, and mold - a professional assessment can prevent costly repairs.
Typical cost: Gutter installation: typically $1,000–$2,500 for a standard home
Estimate Your Home Maintenance CostsWindow Replacement
The median build year of homes in Westley is 1983; check the age and condition of your own windows. ENERGY STAR windows can save $101–$583/year on energy bills.
Typical cost: Window replacement: typically $300–$800 per window installed
Estimate Your Home Maintenance CostsService 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 95387 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 95387 (primary system: Western Hills Water District/diablo Gran), 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 95387's water come from?
The recorded water source for Western Hills Water District/diablo Gran, a system mapped to ZIP code 95387, is Surface water. This system serves approximately 2,000 people.
How can I get my water tested in Westley?
If Western Hills Water District/diablo Gran 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 95387?
95387 is mapped to a county in EPA Radon Zone 3 (low county-level radon potential; EPA recommends testing every home), located in Stanislaus 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 95387?
FEMA records contain 2 flood insurance claims filed in ZIP code 95387; the recorded rated-zone value (the most frequent one if there are several claims) is C, which is claims evidence and may differ from the current FEMA map zone for a property. Claim records do not establish current property risk. Review FEMA's map for the specific property.
How to cite this page
ZipCheckup. (2026). Westley, CA (95387) Home Safety: 92/100. https://zipcheckup.com/report/95387/
@misc{zipcheckup-report-95387,
author = {{ZipCheckup}},
title = {{Westley, CA (95387) Home Safety: 92/100}},
year = {2026},
url = {https://zipcheckup.com/report/95387/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 95387
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 95385 | Vernalis, CA | 5.3 mi | N/A | 0 |
| 95363 | Patterson, CA | 5.5 mi | A | 0 |
| 95358 | Modesto, CA | 11.3 mi | B | 0 |
| 95313 | Crows Landing, CA | 13.2 mi | N/A | 0 |
| 95368 | Salida, CA | 13.6 mi | A | 0 |
| 95351 | Modesto, CA | 13.7 mi | C | 4 |
| 95352 | Modesto, CA | 13.7 mi | N/A | 0 |
| 95397 | Modesto, CA | 13.7 mi | N/A | 0 |
| 95353 | Modesto, CA | 14.1 mi | N/A | 0 |
| 95378 | Tracy, CA | 14.5 mi | N/A | 0 |
Nearby ZIP Code Reports
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Overall safety breakdown
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ZIP 95387 scores in the top tier nationally.