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COUNTRYSIDE MOBILE HOME PARK

PWS ID: CA5800828 · MARYSVILLE, California 95901

COUNTRYSIDE MOBILE HOME PARK serves 185 people in MARYSVILLE, California using Groundwater water sources. It has 47 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: COUNTRYSIDE MOBILE HOME PARK

COUNTRYSIDE MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 185 residents in MARYSVILLE, California (Yuba County) through 86 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 47 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 47 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 3 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. COUNTRYSIDE MOBILE HOME PARK's 47 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
47
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
86
County
Yuba
School/Daycare
No
MCL Violations
0
Monitoring Violations
47
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 3 2017
1,1-Dichloroethylene MR 2 2011
trans-1,2-Dichloroethylene MR 2 2011
1,2-Dichloroethane MR 2 2011
Carbon tetrachloride MR 2 2011
Trichloroethylene MR 2 2011
1,1,2-Trichloroethane MR 2 2011
CHLOROBENZENE MR 2 2011
Benzene MR 2 2011
Styrene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
DICHLOROMETHANE MR 2 2011
Gross Alpha, Excl. Radon and U MR 2 1981
Vinyl chloride MR 2 2011
Toluene MR 2 2011
Ethylbenzene MR 2 2011
1,2,4-Trichlorobenzene MR 2 2011
1,2-Dichloropropane MR 2 2011
Xylenes, Total MR 2 2011
Tetrachloroethylene MR 2 2011
o-Dichlorobenzene MR 2 2011
1,1,1-Trichloroethane MR 2 2011
p-Dichlorobenzene 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 COUNTRYSIDE MOBILE HOME PARK.

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 CA5800828 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 COUNTRYSIDE MOBILE HOME PARK 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
2017 Lead and Copper Rule MR 3 SDWIS / CA5800828 / 5000
2011 1,1-Dichloroethylene MR 2 SDWIS / CA5800828 / 2977
2011 trans-1,2-Dichloroethylene MR 2 SDWIS / CA5800828 / 2979
2011 1,2-Dichloroethane MR 2 SDWIS / CA5800828 / 2980
2011 Carbon tetrachloride MR 2 SDWIS / CA5800828 / 2982
2011 Trichloroethylene MR 2 SDWIS / CA5800828 / 2984
2011 1,1,2-Trichloroethane MR 2 SDWIS / CA5800828 / 2985
2011 CHLOROBENZENE MR 2 SDWIS / CA5800828 / 2989
2011 Benzene MR 2 SDWIS / CA5800828 / 2990
2011 Styrene MR 2 SDWIS / CA5800828 / 2996
2011 cis-1,2-Dichloroethylene MR 2 SDWIS / CA5800828 / 2380
2011 DICHLOROMETHANE MR 2 SDWIS / CA5800828 / 2964
2011 Vinyl chloride MR 2 SDWIS / CA5800828 / 2976
2011 Toluene MR 2 SDWIS / CA5800828 / 2991
2011 Ethylbenzene MR 2 SDWIS / CA5800828 / 2992

How COUNTRYSIDE MOBILE HOME PARK Compares

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

Metric COUNTRYSIDE MOBILE HOME PARK California avg Federal benchmark
Total violations 47 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 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 COUNTRYSIDE MOBILE HOME PARK water safe to drink? ▼
COUNTRYSIDE MOBILE HOME PARK (PWS ID: CA5800828) has 47 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 COUNTRYSIDE MOBILE HOME PARK serve? ▼
COUNTRYSIDE MOBILE HOME PARK serves 185 people in MARYSVILLE, California. It is a Private-owned system using Groundwater water sources with 86 service connections.
What type of violations does COUNTRYSIDE MOBILE HOME PARK have? ▼
COUNTRYSIDE MOBILE HOME PARK has 47 total violations: 0 health-based violations (MCL exceedances or treatment failures), 47 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in COUNTRYSIDE MOBILE HOME PARK water? ▼
No PFAS testing data is available for COUNTRYSIDE MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does COUNTRYSIDE MOBILE HOME PARK use? ▼
COUNTRYSIDE MOBILE HOME PARK 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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