Mt. Hermon Association, Inc.
EPA ID: CA4410008 · 1,176 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Mt. Hermon Association, Inc. (CA4410008): 2 unresolved EPA violations on record. Per EPA records, Mt. Hermon Association, Inc.: 2 unresolved violations, 1,176 people in service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Mt. Hermon Association, Inc. Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mt. Hermon Association, Inc. serves a community with a median household income of $133,036 and an estimated 68,616 residents across its service area. Approximately 78% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Mt. Hermon Association, Inc.'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.
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
Detected Contaminants
How Mt. Hermon Association, Inc. compares to EPA limits
What This Means For You
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 1 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.
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
Mt. Hermon Association, Inc. (EPA ID: CA4410008) is a community water system in California that serves approximately 1,176 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 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 | Non-health-based | Unaddressed (current) |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Unaddressed (current) |
| November 14, 2021 | Contaminant 0700 | Non-health-based | Resolved |
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 |
| Contaminant 0700 | Other Violation | 1 | No |
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 Mt. Hermon Association, Inc. (CA4410008) on EPA.gov.
Frequently Asked Questions
Is Mt. Hermon Association, Inc. water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Mt. Hermon Association, Inc.. 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 Mt. Hermon Association, Inc. serve?
Mt. Hermon Association, Inc. serves approximately 1,176 people across 4 ZIP codes in California.
Where does Mt. Hermon Association, Inc. get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mt. Hermon Association, Inc. (CA): 1 Health Violation. https://zipcheckup.com/water-system/ca4410008/
@misc{zipcheckup-water-system-ca4410008,
author = {{ZipCheckup}},
title = {{Mt. Hermon Association, Inc. (CA): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca4410008/}
}
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
Mt. Hermon Association, Inc. (EPA ID: CA4410008) - request the latest Consumer Confidence Report or ask about specific contaminants.