Brookside Mhp
EPA ID: CA3600385 · 65 people served · 1 ZIP code
Zero violations in five consecutive years of EPA monitoring — Brookside Mhp has held a clean track record across every reporting cycle in that span, with no enforcement activity of any kind on file for the full service population of 65 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2023) to 2 (2024). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Brookside Mhp Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Brookside Mhp serves a community with a median household income of $74,408 and an estimated 9,394 residents across its service area. Approximately 57% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 51% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
Brookside Mhp'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.
About 1% of homes in San Bernardino County, California rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS).
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
Brookside Mhp (EPA ID: CA3600385) is a community water system in California that serves approximately 65 people from groundwater sources.
This system serves ZIP code 92359 in Mentone.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
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
- 92359 — Mentone
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Brookside Mhp (CA3600385) on EPA.gov.
Frequently Asked Questions
Is Brookside Mhp water safe to drink?
Based on EPA records, Brookside Mhp has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Brookside Mhp serve?
Brookside Mhp serves approximately 65 people across 1 ZIP code in California.
Where does Brookside Mhp get its water?
The primary water source is groundwater.