Santos Ranch Public Water System #5-csa #35
EPA ID: CA3901216 · 320 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Santos Ranch Public Water System #5-csa #35 (CA3901216): no drinking-water violations recorded since 2021. Violation-free in EPA records - Santos Ranch Public Water System #5-csa #35, 320 residents served.
Data: EPA SDWIS
Service Area Map
Coverage area for Santos Ranch Public Water System #5-csa #35 Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Santos Ranch Public Water System #5-csa #35 have a median household income of $171,510 and about 25,193 residents live in those ZIP codes (Census; not the number of people this system supplies).
Environmental Justice Note: On average, 55% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Santos Ranch Public Water System #5-csa #35's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
System Overview
Santos Ranch Public Water System #5-csa #35 (EPA ID: CA3901216) is a community water system in California that serves approximately 320 people from groundwater sources.
This system serves ZIP code 95391 in Tracy.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CA or modeled from parcel and building-footprint data.
- 95391 - Tracy
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Santos Ranch Public Water System #5-csa #35 (CA3901216) on EPA.gov.
Frequently Asked Questions
Is Santos Ranch Public Water System #5-csa #35 water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Santos Ranch Public Water System #5-csa #35 in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Santos Ranch Public Water System #5-csa #35 serve?
Santos Ranch Public Water System #5-csa #35 serves approximately 320 people across 1 ZIP code in California.
Where does Santos Ranch Public Water System #5-csa #35 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Santos Ranch Public Water System #5-csa #35 Water Report, CA. https://zipcheckup.com/water-system/ca3901216/
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title = {{Santos Ranch Public Water System #5-csa #35 Water Report, CA}},
year = {n.d.},
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