PlainWater

ROLLING HILLS RANCHO WA

PWS ID: CA2700713 · SALINAS, California 93907

ROLLING HILLS RANCHO WA serves 185 people in SALINAS, California using Surface Water water sources. It has 92 recorded EPA violations, including 44 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ROLLING HILLS RANCHO WA

ROLLING HILLS RANCHO WA is a private-owned community water system that delivers drinking water to 185 residents in SALINAS, California (Monterey County) through 56 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 92 total violations for this system , of which 44 (48%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 48 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 Coliform (TCR), recorded in 44 violations (MCL, health-based). 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. ROLLING HILLS RANCHO WA's 92 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
92
Health-Based Violations
44
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
56
County
Monterey
School/Daycare
No
MCL Violations
44
Monitoring Violations
48
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 44 2015
Coliform (TCR) MR 36 2014
Nitrate MR 8 2005
Lead and Copper Rule MR 2 2017
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 ROLLING HILLS RANCHO WA.

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 CA2700713 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 ROLLING HILLS RANCHO WA 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 2 SDWIS / CA2700713 / 5000
2015 Coliform (TCR) MCL 44 SDWIS / CA2700713 / 3100
2014 Coliform (TCR) MR 36 SDWIS / CA2700713 / 3100
2005 Nitrate MR 8 SDWIS / CA2700713 / 1040
1981 Gross Alpha, Excl. Radon and U MR 2 SDWIS / CA2700713 / 4000

How ROLLING HILLS RANCHO WA Compares

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

Metric ROLLING HILLS RANCHO WA California avg Federal benchmark
Total violations 92 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 44 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 ROLLING HILLS RANCHO WA water safe to drink?
ROLLING HILLS RANCHO WA (PWS ID: CA2700713) has 92 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 185 people using Surface Water sources.
How many people does ROLLING HILLS RANCHO WA serve?
ROLLING HILLS RANCHO WA serves 185 people in SALINAS, California. It is a Private-owned system using Surface Water water sources with 56 service connections.
What type of violations does ROLLING HILLS RANCHO WA have?
ROLLING HILLS RANCHO WA has 92 total violations: 44 health-based violations (MCL exceedances or treatment failures), 48 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ROLLING HILLS RANCHO WA water?
No PFAS testing data is available for ROLLING HILLS RANCHO WA under the EPA's UCMR5 monitoring program.
What water source does ROLLING HILLS RANCHO WA use?
ROLLING HILLS RANCHO WA 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.

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