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WARNER SPRINGS ESTATES

PWS ID: CA3702354 · TEMECULA, California 92590

WARNER SPRINGS ESTATES serves 448 people in TEMECULA, California using Groundwater water sources. It has 162 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: WARNER SPRINGS ESTATES

WARNER SPRINGS ESTATES is a private-owned community water system that delivers drinking water to 448 residents in TEMECULA, California (San Diego County) through 303 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 162 total violations for this system , of which 4 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 148 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 21 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. WARNER SPRINGS ESTATES's 162 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
448
Total Violations
162
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
303
County
San Diego
School/Daycare
No
MCL Violations
4
Monitoring Violations
148
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 21 2016
Revised Total Coliform Rule MON 18 2021
Coliform (TCR) MCL 4 2011
Consumer Confidence Rule Other 4 2008
Lead and Copper Rule MR 3 2015
E. COLI MR 2 2018
1,2,4-Trichlorobenzene MR 2 2018
cis-1,2-Dichloroethylene MR 2 2018
Xylenes, Total MR 2 2018
o-Dichlorobenzene MR 2 2018
1,1-Dichloroethylene MR 2 2018
1,2-Dichloroethane MR 2 2018
1,2-Dichloropropane MR 2 2018
1,1,2-Trichloroethane MR 2 2018
CHLOROBENZENE MR 2 2018
Toluene MR 2 2018
Styrene MR 2 2018
Methoxychlor MR 2 2018
Toxaphene MR 2 2018
Dalapon MR 2 2018
Diquat MR 2 2018
Endothall MR 2 2018
Di(2-ethylhexyl) adipate MR 2 2018
OXAMYL MR 2 2018
Simazine MR 2 2018
Di(2-ethylhexyl) phthalate MR 2 2018
Dinoseb MR 2 2018
Hexachlorocyclopentadiene MR 2 2018
Carbofuran MR 2 2018
Atrazine MR 2 2018

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 WARNER SPRINGS ESTATES.

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 CA3702354 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 WARNER SPRINGS ESTATES 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
2021 Revised Total Coliform Rule MON 18 SDWIS / CA3702354 / 8000
2018 E. COLI MR 2 SDWIS / CA3702354 / 3014
2018 1,2,4-Trichlorobenzene MR 2 SDWIS / CA3702354 / 2378
2018 cis-1,2-Dichloroethylene MR 2 SDWIS / CA3702354 / 2380
2018 Xylenes, Total MR 2 SDWIS / CA3702354 / 2955
2018 o-Dichlorobenzene MR 2 SDWIS / CA3702354 / 2968
2018 1,1-Dichloroethylene MR 2 SDWIS / CA3702354 / 2977
2018 1,2-Dichloroethane MR 2 SDWIS / CA3702354 / 2980
2018 1,2-Dichloropropane MR 2 SDWIS / CA3702354 / 2983
2018 1,1,2-Trichloroethane MR 2 SDWIS / CA3702354 / 2985
2018 CHLOROBENZENE MR 2 SDWIS / CA3702354 / 2989
2018 Toluene MR 2 SDWIS / CA3702354 / 2991
2018 Styrene MR 2 SDWIS / CA3702354 / 2996
2018 Methoxychlor MR 2 SDWIS / CA3702354 / 2015
2018 Toxaphene MR 2 SDWIS / CA3702354 / 2020

How WARNER SPRINGS ESTATES Compares

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

Metric WARNER SPRINGS ESTATES California avg Federal benchmark
Total violations 162 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 448 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 WARNER SPRINGS ESTATES water safe to drink? ▼
WARNER SPRINGS ESTATES (PWS ID: CA3702354) has 162 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 448 people using Groundwater sources.
How many people does WARNER SPRINGS ESTATES serve? ▼
WARNER SPRINGS ESTATES serves 448 people in TEMECULA, California. It is a Private-owned system using Groundwater water sources with 303 service connections.
What type of violations does WARNER SPRINGS ESTATES have? ▼
WARNER SPRINGS ESTATES has 162 total violations: 4 health-based violations (MCL exceedances or treatment failures), 148 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in WARNER SPRINGS ESTATES water? ▼
No PFAS testing data is available for WARNER SPRINGS ESTATES under the EPA's UCMR5 monitoring program.
What water source does WARNER SPRINGS ESTATES use? ▼
WARNER SPRINGS ESTATES 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.

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

Read our methodology — how this data is sourced, computed, and verified.

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