PlainWater

TOYON PARK WATER SYSTEM LLC

PWS ID: CA0500039 · VALLEY SPRINGS, California 95252

TOYON PARK WATER SYSTEM LLC serves 150 people in VALLEY SPRINGS, California using Groundwater water sources. It has 51 recorded EPA violations, including 9 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TOYON PARK WATER SYSTEM LLC

TOYON PARK WATER SYSTEM LLC is a private-owned non-transient non-community water system that delivers drinking water to 150 residents in VALLEY SPRINGS, California (Calaveras County) through 11 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 51 total violations for this system , of which 9 (18%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 20 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 13 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. TOYON PARK WATER SYSTEM LLC's 51 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
150
Total Violations
51
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
11
County
Calaveras
School/Daycare
No
MCL Violations
9
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 13 2004
Coliform (TCR) MCL 9 2002
Nitrate-Nitrite MR 4 2001
Lead and Copper Rule MR 3 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 TOYON PARK WATER SYSTEM 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 CA0500039 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 TOYON PARK WATER SYSTEM 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
2018 Lead and Copper Rule MR 3 SDWIS / CA0500039 / 5000
2004 Coliform (TCR) MR 13 SDWIS / CA0500039 / 3100
2002 Coliform (TCR) MCL 9 SDWIS / CA0500039 / 3100
2001 Nitrate-Nitrite MR 4 SDWIS / CA0500039 / 1038

How TOYON PARK WATER SYSTEM LLC Compares

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

Metric TOYON PARK WATER SYSTEM LLC California avg Federal benchmark
Total violations 51 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 9 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 150 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 TOYON PARK WATER SYSTEM LLC water safe to drink?
TOYON PARK WATER SYSTEM LLC (PWS ID: CA0500039) has 51 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does TOYON PARK WATER SYSTEM LLC serve?
TOYON PARK WATER SYSTEM LLC serves 150 people in VALLEY SPRINGS, California. It is a Private-owned system using Groundwater water sources with 11 service connections.
What type of violations does TOYON PARK WATER SYSTEM LLC have?
TOYON PARK WATER SYSTEM LLC has 51 total violations: 9 health-based violations (MCL exceedances or treatment failures), 20 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TOYON PARK WATER SYSTEM LLC water?
No PFAS testing data is available for TOYON PARK WATER SYSTEM LLC under the EPA's UCMR5 monitoring program.
What water source does TOYON PARK WATER SYSTEM LLC use?
TOYON PARK WATER SYSTEM LLC uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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