Monitoring Violations CA

Oak Glen Retreat

EPA ID: CA3600133 · 576 people served · 3 ZIP codes

The EPA enforcement database lists 1 active violation for Oak Glen Retreat — a provider that delivers drinking water to approximately 576 people and has not yet formally resolved those findings.

Data: EPA SDWIS Last verified: 2026-04-02

A · 97

Avg Safety Score

576

People Served

ZIP Codes Served

Violations (5yr)

Groundwater

Water Source

0.0006 mg/L

Max Lead Level

Zone 3

Radon Risk · Low

Contaminants Flagged

$1.1M

Median Home Value in Service Area

Service Area Demographics

$154,997

Median Household Income

69,904

Service Area Population

24%

Disadvantaged Population

30th

Poverty Percentile

10th

Energy Burden Percentile

56%

Pre-1986 Housing

The Oak Glen Retreat serves a community with a median household income of $154,997 and an estimated 69,904 residents across its service area. Approximately 56% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

💧 Where Does Your Water Come From?

Groundwater

Oak Glen Retreat'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.

Elevated Risk

Source Contamination Risk

40th

Wastewater Discharge Proximity

60th

Superfund Site Proximity

About 2% of homes in Orange 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

48 yr

Avg Pipe Age

Copper

Pipe Material

20 yr

Est. Remaining Life

Stable

Decay Status

Installed 71% of expected lifespan used End of life

Detected Contaminants

How Oak Glen Retreat compares to EPA limits

What This Means For You

Consumer Confidence Report Rule at 2 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. 11 detections recorded. 2 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.

State limits: PFOA: 0.0051 ppt, PFOS: 0.0065 ppt

Health concern: PFAS are linked to cancer, thyroid disease, immune suppression, and developmental effects. They do not break down naturally.

Recommended filter: Reverse osmosis (RO) or activated carbon filters certified for PFAS removal. Find the right filter →

Comparable Water Systems

Similar-sized systems in California

San Ardo Water District

575 people

B 2 violations

River Pines Pud

574 people

C 2 violations

Stinson Beach County Wtr District

583 people

B 1 violation

Carmel Riviera Mwc

584 people

0 violations

Banning Hts. Mutual Water Company

567 people

0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance PFAS Treatment

Flood Insurance $800

PFAS Treatment $533

Total Estimated Cost $1,333

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.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

PFAS Exposure — Lifetime Cost $1,000

Per person (emerging research est.)

Estimated Cumulative Cost Per Household

5 years

$2,665

10 years

$5,330

20 years

$10,660

Compare: Estimated remediation cost is $1,333 (one-time) vs. $5,330 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Oak Glen Retreat (EPA ID: CA3600133) is a community water system in California that serves approximately 576 people from groundwater sources.

This system provides water to 3 ZIP codes across 1 community.

Average Home Safety Score: A (97/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

2 monitoring/reporting violations recorded. These are procedural violations (missed tests or late reports), not necessarily water safety issues.

Recent Violations

Date	Contaminant	Type	Status
May 1, 2025	Consumer Confidence Report Rule	Monitoring	Unresolved
April 1, 2025	Consumer Confidence Report Rule	Monitoring	Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant	Category	Violations	Health-Based
Consumer Confidence Report Rule	Reporting Failure	2	No

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code	Lead Level	Exceeds Limit	Sample Date
92885	0.0006 mg/L	No	N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

92885 — Yorba Linda
92886 — Yorba Linda
92887 — Yorba Linda

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Oak Glen Retreat (CA3600133) on EPA.gov.

Frequently Asked Questions

Is Oak Glen Retreat water safe to drink?

Oak Glen Retreat has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.

How many people does Oak Glen Retreat serve?

Oak Glen Retreat serves approximately 576 people across 3 ZIP codes in California.

Where does Oak Glen Retreat get its water?

The primary water source is groundwater.

Frequently Asked Questions

Is water from Oak Glen Retreat safe to drink? ▼

Oak Glen Retreat earns a A safety grade with 2 violations in the past 5 years. Tap water meets EPA standards for most contaminants.

What contaminants are in Oak Glen Retreat's water? ▼

Detected contaminants include Consumer Confidence Report Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.

Should I use a water filter? ▼

Given 1 contaminant above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.

How many people does Oak Glen Retreat serve? ▼

Oak Glen Retreat serves approximately 576 people with drinking water across 3 ZIP codes.

What is Oak Glen Retreat's water source? ▼

Oak Glen Retreat draws water from groundwater sources. Source type affects which contaminants are most likely to be present.

Is there lead in Oak Glen Retreat's water? ▼

The maximum detected lead level is 0.0006 mg/L. This is within EPA action level guidelines.

What is the demographic profile of Oak Glen Retreat's service area? ▼

The Oak Glen Retreat service area has a median household income of $154,997. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.

Where does Oak Glen Retreat get its water? ▼

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

Oak Glen Retreat (EPA ID: CA3600133) — request the latest Consumer Confidence Report or ask about specific contaminants.

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