City of San Juan Bautista
EPA ID: CA3510002 · 2,335 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for City of San Juan Bautista (CA3510002): 2 unresolved EPA violations on record. City of San Juan Bautista's current EPA file includes 2 unresolved violations - every outstanding finding is documented in federal records for this utility, which supplies water to approximately 2,335 residents across its service territory.
Data: EPA SDWIS
Service Area Map
Coverage area for City of San Juan Bautista Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The City of San Juan Bautista serves a community with a median household income of $136,079 and an estimated 8,208 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
City of San Juan Bautista's water is pumped from underground aquifers. 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
Detected Contaminants
How City of San Juan Bautista compares to EPA limits
What This Means For You
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in California
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
City of San Juan Bautista, (EPA ID: CA3510002) is a community water system in California that serves approximately 2,335 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 resolved, 0 archived, 0 addressed, and 2 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unaddressed (current) |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Unaddressed (current) |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
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: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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 the full compliance record for City of San Juan Bautista (CA3510002) on EPA.gov.
Frequently Asked Questions
Is City of San Juan Bautista water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for City of San Juan Bautista. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does City of San Juan Bautista serve?
City of San Juan Bautista serves approximately 2,335 people across 2 ZIP codes in California.
Where does City of San Juan Bautista get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). City of San Juan Bautista (CA): 1 Health Violation. https://zipcheckup.com/water-system/ca3510002/
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author = {{ZipCheckup}},
title = {{City of San Juan Bautista (CA): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca3510002/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
City of San Juan Bautista (EPA ID: CA3510002) - request the latest Consumer Confidence Report or ask about specific contaminants.