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ALPINE OAKS ESTATES LLC

PWS ID: CA3701988 · DANA POINT, California 92629

ALPINE OAKS ESTATES LLC serves 185 people in DANA POINT, California using Groundwater water sources. It has 41 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ALPINE OAKS ESTATES LLC

ALPINE OAKS ESTATES LLC is a private-owned community water system that delivers drinking water to 185 residents in DANA POINT, California (San Diego County) through 68 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 41 total violations for this system , of which 4 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 34 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Nitrate, recorded in 16 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across California, EPA tracks 7,249 public water systems serving 42,404,883 people, with 153,308 cumulative violations and 63,983 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 21.1 violations. ALPINE OAKS ESTATES LLC's 41 violations sit above the California average. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
185
Total Violations
41
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
68
County
San Diego
School/Daycare
No
MCL Violations
4
Monitoring Violations
34
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 16 2022
Lead and Copper Rule MR 10 2021
Coliform (TCR) MCL 4 2011
TTHM MR 2 2022
Coliform (TCR) MR 2 2008
Gross Alpha, Excl. Radon and U MR 2 1981
Consumer Confidence Rule Other 2 2005
Nitrate-Nitrite MR 2 2005

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for ALPINE OAKS ESTATES LLC.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CA3701988 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

California Drinking Water Authority

California State Water Resources Control Board — Division of Drinking Water is the primacy agency that licenses and inspects ALPINE OAKS ESTATES LLC under EPA-delegated authority.

Open CA regulator portal

Source: California State Water Resources Control Board — Division of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2022 Nitrate MR 16 SDWIS / CA3701988 / 1040
2022 TTHM MR 2 SDWIS / CA3701988 / 2950
2021 Lead and Copper Rule MR 10 SDWIS / CA3701988 / 5000
2011 Coliform (TCR) MCL 4 SDWIS / CA3701988 / 3100
2008 Coliform (TCR) MR 2 SDWIS / CA3701988 / 3100
2005 Consumer Confidence Rule Other 2 SDWIS / CA3701988 / 7000
2005 Nitrate-Nitrite MR 2 SDWIS / CA3701988 / 1038
1981 Gross Alpha, Excl. Radon and U MR 2 SDWIS / CA3701988 / 4000

How ALPINE OAKS ESTATES LLC Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric ALPINE OAKS ESTATES LLC California avg Federal benchmark
Total violations 41 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 8.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 64.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 185 5,850 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,249 regulated public water systems in California.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is ALPINE OAKS ESTATES LLC water safe to drink?
ALPINE OAKS ESTATES LLC (PWS ID: CA3701988) has 41 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 185 people using Groundwater sources.
How many people does ALPINE OAKS ESTATES LLC serve?
ALPINE OAKS ESTATES LLC serves 185 people in DANA POINT, California. It is a Private-owned system using Groundwater water sources with 68 service connections.
What type of violations does ALPINE OAKS ESTATES LLC have?
ALPINE OAKS ESTATES LLC has 41 total violations: 4 health-based violations (MCL exceedances or treatment failures), 34 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ALPINE OAKS ESTATES LLC water?
No PFAS testing data is available for ALPINE OAKS ESTATES LLC under the EPA's UCMR5 monitoring program.
What water source does ALPINE OAKS ESTATES LLC use?
ALPINE OAKS ESTATES LLC uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial