PlainWater

CARMEL RIVIERA MWC

PWS ID: CA2701254 · CARMEL, California 93922

CARMEL RIVIERA MWC serves 584 people in CARMEL, California using Surface Water water sources. It has 58 recorded EPA violations, including 10 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CARMEL RIVIERA MWC

CARMEL RIVIERA MWC is a private-owned community water system that delivers drinking water to 584 residents in CARMEL, California (Monterey County) through 176 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 58 total violations for this system , of which 10 (17%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 monitoring and reporting violations are on file. The most recent violation on record dates to 2008.

The most frequently cited contaminant at this system is Fluoride, recorded in 4 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. CARMEL RIVIERA MWC's 58 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
584
Total Violations
58
Health-Based Violations
10
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
176
County
Monterey
School/Daycare
No
MCL Violations
10
Monitoring Violations
9
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MR 4 2007
Coliform (TCR) MCL 4 2003
Coliform (TCR) MR 3 2005
Fluoride MCL 3 2006
TTHM MCL 3 2008
Gross Alpha, Excl. Radon and U MR 2 1981

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 CARMEL RIVIERA MWC.

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 CA2701254 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 CARMEL RIVIERA MWC 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
2008 TTHM MCL 3 SDWIS / CA2701254 / 2950
2007 Fluoride MR 4 SDWIS / CA2701254 / 1025
2006 Fluoride MCL 3 SDWIS / CA2701254 / 1025
2005 Coliform (TCR) MR 3 SDWIS / CA2701254 / 3100
2003 Coliform (TCR) MCL 4 SDWIS / CA2701254 / 3100
1981 Gross Alpha, Excl. Radon and U MR 2 SDWIS / CA2701254 / 4000

How CARMEL RIVIERA MWC Compares

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

Metric CARMEL RIVIERA MWC California avg Federal benchmark
Total violations 58 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 10 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 584 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 CARMEL RIVIERA MWC water safe to drink?
CARMEL RIVIERA MWC (PWS ID: CA2701254) has 58 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 584 people using Surface Water sources.
How many people does CARMEL RIVIERA MWC serve?
CARMEL RIVIERA MWC serves 584 people in CARMEL, California. It is a Private-owned system using Surface Water water sources with 176 service connections.
What type of violations does CARMEL RIVIERA MWC have?
CARMEL RIVIERA MWC has 58 total violations: 10 health-based violations (MCL exceedances or treatment failures), 9 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CARMEL RIVIERA MWC water?
No PFAS testing data is available for CARMEL RIVIERA MWC under the EPA's UCMR5 monitoring program.
What water source does CARMEL RIVIERA MWC use?
CARMEL RIVIERA MWC 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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial