PlainWater

CSP - MARCONI CONFERENCE CENTER

PWS ID: CA2110304 · MARSHALL, California 94940

CSP - MARCONI CONFERENCE CENTER serves 120 people in MARSHALL, California using Surface Water water sources. It has a clean compliance record with no EPA violations recorded. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CSP - MARCONI CONFERENCE CENTER

CSP - MARCONI CONFERENCE CENTER is a state-owned transient non-community water system that delivers drinking water to 120 residents in MARSHALL, California (Marin County) through 12 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 0 total violations for this system , giving it a clean Safe Drinking Water Act compliance record.

No specific contaminant violations have been recorded in EPA's detailed violation register for this system. 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. CSP - MARCONI CONFERENCE CENTER's 0 violations sit below 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
120
Total Violations
0
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
12
County
Marin
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
0

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 CSP - MARCONI CONFERENCE CENTER.

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 CA2110304 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 CSP - MARCONI CONFERENCE CENTER under EPA-delegated authority.

Open CA regulator portal

Source: California State Water Resources Control Board — Division of Drinking Water

How CSP - MARCONI CONFERENCE CENTER Compares

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

Metric CSP - MARCONI CONFERENCE CENTER California avg Federal benchmark
Total violations 0 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 120 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 CSP - MARCONI CONFERENCE CENTER water safe to drink?
CSP - MARCONI CONFERENCE CENTER (PWS ID: CA2110304) has 0 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 120 people using Surface Water sources.
How many people does CSP - MARCONI CONFERENCE CENTER serve?
CSP - MARCONI CONFERENCE CENTER serves 120 people in MARSHALL, California. It is a State-owned system using Surface Water water sources with 12 service connections.
What type of violations does CSP - MARCONI CONFERENCE CENTER have?
CSP - MARCONI CONFERENCE CENTER has 0 total violations: 0 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CSP - MARCONI CONFERENCE CENTER water?
No PFAS testing data is available for CSP - MARCONI CONFERENCE CENTER under the EPA's UCMR5 monitoring program.
What water source does CSP - MARCONI CONFERENCE CENTER use?
CSP - MARCONI CONFERENCE CENTER uses Surface Water as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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