Jacoby Creek Cwd
EPA ID: CA1210021 · 924 people served · 4 ZIP codes
ZipCheckup's reading of EPA records for Jacoby Creek Cwd (CA1210021): no drinking-water violations recorded since 2021. Zero violations are listed in EPA monitoring data for Jacoby Creek Cwd; a count of records like this is not a water-quality test for the 924 residents it serves.
Data: EPA SDWIS
Service Area Map
Coverage area for Jacoby Creek Cwd Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Jacoby Creek Cwd have a median household income of $79,703 and about 48,986 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 71% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Jacoby Creek Cwd'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in California
System Overview
Jacoby Creek Cwd (EPA ID: CA1210021) is a community water system in California that serves approximately 924 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0014 mg/L | No | 2025-12-31 |
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Jacoby Creek Cwd (CA1210021) on EPA.gov.
Frequently Asked Questions
Is Jacoby Creek Cwd water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Jacoby Creek Cwd 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 Jacoby Creek Cwd serve?
Jacoby Creek Cwd serves approximately 924 people across 4 ZIP codes in California.
Where does Jacoby Creek Cwd get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Jacoby Creek Cwd Water Quality Report, CA. https://zipcheckup.com/water-system/ca1210021/
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title = {{Jacoby Creek Cwd Water Quality Report, CA}},
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url = {https://zipcheckup.com/water-system/ca1210021/}
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