Rosecrest Mutual

ZipCheckup's reading of EPA records for Rosecrest Mutual (CA3100538): no drinking-water violations recorded since 2021. Although compliance varies widely among water utilities nationally, the SDWIS file for Rosecrest Mutual lists no EPA violations for this supplier, whose service area covers 31 residents.

Data: EPA SDWIS

System Overview

Rosecrest Mutual (EPA ID: CA3100538) is a community water system in California that serves approximately 31 people from groundwater sources.

This system serves ZIP code 95678 in Roseville.

Violation History

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.

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.

• 95678 - Roseville

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rosecrest Mutual (CA3100538) on EPA.gov.

Frequently Asked Questions

Is Rosecrest Mutual water safe to drink?

The accepted 2026Q2 ECHO snapshot contains zero violation records for Rosecrest Mutual 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 Rosecrest Mutual serve?

Rosecrest Mutual serves approximately 31 people across 1 ZIP code in California.

Where does Rosecrest Mutual get its water?

The primary water source is groundwater.

@misc{zipcheckup-water-system-ca3100538,
  author = {{ZipCheckup}},
  title  = {{Rosecrest Mutual Water Quality Report, CA}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ca3100538/}
}