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YES CHARTER ACADEMY

PWS ID: CA5800006 · OREGON HOUSE, California 95962

YES CHARTER ACADEMY serves 125 people in OREGON HOUSE, California using Groundwater water sources. It has 55 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: YES CHARTER ACADEMY

YES CHARTER ACADEMY is a private-owned non-transient non-community water system that delivers drinking water to 125 residents in OREGON HOUSE, California (Yuba County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 55 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 54 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 12 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. YES CHARTER ACADEMY's 55 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
125
Total Violations
55
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Yuba
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
54
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 12 2023
p-Dichlorobenzene MR 2 2011
Vinyl chloride MR 2 2011
1,1-Dichloroethylene MR 2 2011
trans-1,2-Dichloroethylene MR 2 2011
Carbon tetrachloride MR 2 2011
1,2-Dichloropropane MR 2 2011
Tetrachloroethylene MR 2 2011
Benzene MR 2 2011
Styrene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
o-Dichlorobenzene MR 2 2011
Ethylbenzene MR 2 2011
1,1,2-Trichloroethane MR 2 2011
Xylenes, Total MR 2 2011
1,2,4-Trichlorobenzene MR 2 2011
Toluene MR 2 2011
1,1,1-Trichloroethane MR 2 2011
Trichloroethylene MR 2 2011
CHLOROBENZENE MR 2 2011
DICHLOROMETHANE MR 2 2011
1,2-Dichloroethane MR 2 2011

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 YES CHARTER ACADEMY.

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 CA5800006 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 YES CHARTER ACADEMY 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
2023 Lead and Copper Rule MR 12 SDWIS / CA5800006 / 5000
2011 p-Dichlorobenzene MR 2 SDWIS / CA5800006 / 2969
2011 Vinyl chloride MR 2 SDWIS / CA5800006 / 2976
2011 1,1-Dichloroethylene MR 2 SDWIS / CA5800006 / 2977
2011 trans-1,2-Dichloroethylene MR 2 SDWIS / CA5800006 / 2979
2011 Carbon tetrachloride MR 2 SDWIS / CA5800006 / 2982
2011 1,2-Dichloropropane MR 2 SDWIS / CA5800006 / 2983
2011 Tetrachloroethylene MR 2 SDWIS / CA5800006 / 2987
2011 Benzene MR 2 SDWIS / CA5800006 / 2990
2011 Styrene MR 2 SDWIS / CA5800006 / 2996
2011 cis-1,2-Dichloroethylene MR 2 SDWIS / CA5800006 / 2380
2011 o-Dichlorobenzene MR 2 SDWIS / CA5800006 / 2968
2011 Ethylbenzene MR 2 SDWIS / CA5800006 / 2992
2011 1,1,2-Trichloroethane MR 2 SDWIS / CA5800006 / 2985
2011 Xylenes, Total MR 2 SDWIS / CA5800006 / 2955

How YES CHARTER ACADEMY Compares

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

Metric YES CHARTER ACADEMY California avg Federal benchmark
Total violations 55 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 125 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 YES CHARTER ACADEMY water safe to drink? ▼
YES CHARTER ACADEMY (PWS ID: CA5800006) has 55 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 125 people using Groundwater sources.
How many people does YES CHARTER ACADEMY serve? ▼
YES CHARTER ACADEMY serves 125 people in OREGON HOUSE, California. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does YES CHARTER ACADEMY have? ▼
YES CHARTER ACADEMY has 55 total violations: 0 health-based violations (MCL exceedances or treatment failures), 54 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in YES CHARTER ACADEMY water? ▼
No PFAS testing data is available for YES CHARTER ACADEMY under the EPA's UCMR5 monitoring program.
What water source does YES CHARTER ACADEMY use? ▼
YES CHARTER ACADEMY 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.

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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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