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BRANSCOMB MOBILE HOME PARK

PWS ID: CA2300663 · ROHNERT PARK, California 94928

BRANSCOMB MOBILE HOME PARK serves 42 people in ROHNERT PARK, California using Surface Water water sources. It has 172 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: BRANSCOMB MOBILE HOME PARK

BRANSCOMB MOBILE HOME PARK is a private-owned community water system that delivers drinking water to 42 residents in ROHNERT PARK, California (Mendocino County) through 14 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 172 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 162 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 9 violations (MON). 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. BRANSCOMB MOBILE HOME PARK's 172 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
42
Total Violations
172
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
14
County
Mendocino
School/Daycare
No
MCL Violations
0
Monitoring Violations
162
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 9 2020
Coliform (TCR) MR 6 2007
Lead and Copper Rule MR 6 2017
Total Haloacetic Acids (HAA5) MR 6 2009
TTHM MR 6 2009
Surface Water Treatment Rule TT 4 2019
Arsenic MR 2 2016
Barium MR 2 2016
Cadmium MR 2 2016
Chromium MR 2 2016
Mercury MR 2 2016
Nitrite MR 2 2016
Beryllium, Total MR 2 2016
Thallium, Total MR 2 2016
Selenium MR 2 2016
1,2,4-Trichlorobenzene MR 2 2016
Xylenes, Total MR 2 2016
p-Dichlorobenzene MR 2 2016
trans-1,2-Dichloroethylene MR 2 2016
1,2-Dichloroethane MR 2 2016
1,1,1-Trichloroethane MR 2 2016
Carbon tetrachloride MR 2 2016
1,2-Dichloropropane MR 2 2016
1,1,2-Trichloroethane MR 2 2016
Benzene MR 2 2016
Toluene MR 2 2016
Ethylbenzene MR 2 2016
Styrene MR 2 2016
Endrin MR 2 2016
Methoxychlor MR 2 2016

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 BRANSCOMB 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 CA2300663 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 BRANSCOMB 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
2020 Revised Total Coliform Rule MON 9 SDWIS / CA2300663 / 8000
2020 Revised Total Coliform Rule RPT 1 SDWIS / CA2300663 / 8000
2019 Surface Water Treatment Rule TT 4 SDWIS / CA2300663 / 0200
2017 Lead and Copper Rule MR 6 SDWIS / CA2300663 / 5000
2016 Arsenic MR 2 SDWIS / CA2300663 / 1005
2016 Barium MR 2 SDWIS / CA2300663 / 1010
2016 Cadmium MR 2 SDWIS / CA2300663 / 1015
2016 Chromium MR 2 SDWIS / CA2300663 / 1020
2016 Mercury MR 2 SDWIS / CA2300663 / 1035
2016 Nitrite MR 2 SDWIS / CA2300663 / 1041
2016 Beryllium, Total MR 2 SDWIS / CA2300663 / 1075
2016 Thallium, Total MR 2 SDWIS / CA2300663 / 1085
2016 Selenium MR 2 SDWIS / CA2300663 / 1045
2016 1,2,4-Trichlorobenzene MR 2 SDWIS / CA2300663 / 2378
2016 Xylenes, Total MR 2 SDWIS / CA2300663 / 2955

How BRANSCOMB MOBILE HOME PARK Compares

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

Metric BRANSCOMB MOBILE HOME PARK California avg Federal benchmark
Total violations 172 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 42 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 BRANSCOMB MOBILE HOME PARK water safe to drink? ▼
BRANSCOMB MOBILE HOME PARK (PWS ID: CA2300663) has 172 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 42 people using Surface Water sources.
How many people does BRANSCOMB MOBILE HOME PARK serve? ▼
BRANSCOMB MOBILE HOME PARK serves 42 people in ROHNERT PARK, California. It is a Private-owned system using Surface Water water sources with 14 service connections.
What type of violations does BRANSCOMB MOBILE HOME PARK have? ▼
BRANSCOMB MOBILE HOME PARK has 172 total violations: 4 health-based violations (MCL exceedances or treatment failures), 162 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in BRANSCOMB MOBILE HOME PARK water? ▼
No PFAS testing data is available for BRANSCOMB MOBILE HOME PARK under the EPA's UCMR5 monitoring program.
What water source does BRANSCOMB MOBILE HOME PARK use? ▼
BRANSCOMB MOBILE HOME PARK uses Surface Water 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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