PlainWater
States → EPA Region 9 — Tribal Water Systems

Community Water System · PWS 090400699

SCUA Beverly Hills

San Carlos, EPA Region 9 — Tribal Water Systems 85550 - drinking water served from groundwater sources to 612 people, tracked in EPA SDWIS and UCMR5.

612
People served
292
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 292 drinking-water violations at SCUA Beverly Hills, 1% of them health-based.

292
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
612
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: SCUA Beverly Hills

SCUA Beverly Hills is a native american-owned community water system that delivers drinking water to 612 residents in San Carlos, EPA Region 9 — Tribal Water Systems through 102 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 292 total violations for this system , of which 2 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 236 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 78 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 9 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

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
612
Total Violations
292
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
102
School/Daycare
No
MCL Violations
1
Monitoring Violations
236
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 78 2016
Consumer Confidence Rule Other 13 2022
Revised Total Coliform Rule RPT 12 2023
Lead and Copper Rule MR 11 2010
E. COLI MR 10 2022
Nitrate MR 8 2022
Total Polychlorinated Biphenyls (PCB) MR 3 2008
1,2-DIBROMO-3-CHLOROPROPANE MR 3 2008
Barium MR 2 2008
Cadmium MR 2 2008
Chromium MR 2 2008
CYANIDE MR 2 2008
Fluoride MR 2 2008
Antimony, Total MR 2 2008
Thallium, Total MR 2 2008
Beryllium, Total MR 2 2008
BHC-GAMMA MR 2 2008
Endrin MR 2 2008
Methoxychlor MR 2 2008
Dalapon MR 2 2008
Endothall MR 2 2008
Glyphosate MR 2 2008
Di(2-ethylhexyl) adipate MR 2 2008
OXAMYL MR 2 2008
Simazine MR 2 2008
Di(2-ethylhexyl) phthalate MR 2 2008
Picloram MR 2 2008
Dinoseb MR 2 2008
Hexachlorocyclopentadiene MR 2 2008
Carbofuran MR 2 2008

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 SCUA Beverly Hills.

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 090400699 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — Tribal Water Systems's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 09 regulator via EPA SDWIS

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
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / 090400699 / 5200
2024 Public Notice Other 1 SDWIS / 090400699 / 7500
2024 Groundwater Rule TT 1 SDWIS / 090400699 / 0700
2023 Revised Total Coliform Rule RPT 12 SDWIS / 090400699 / 8000
2022 Consumer Confidence Rule Other 13 SDWIS / 090400699 / 7000
2022 E. COLI MR 10 SDWIS / 090400699 / 3014
2022 Nitrate MR 8 SDWIS / 090400699 / 1040
2020 Groundwater Rule MR 1 SDWIS / 090400699 / 0700
2016 Coliform (TCR) MR 78 SDWIS / 090400699 / 3100
2010 Lead and Copper Rule MR 11 SDWIS / 090400699 / 5000
2008 Total Polychlorinated Biphenyls (PCB) MR 3 SDWIS / 090400699 / 2383
2008 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / 090400699 / 2931
2008 Barium MR 2 SDWIS / 090400699 / 1010
2008 Cadmium MR 2 SDWIS / 090400699 / 1015
2008 Chromium MR 2 SDWIS / 090400699 / 1020

How SCUA Beverly Hills Compares

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

Metric SCUA Beverly Hills EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 292 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 612 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 9 — Tribal Water Systems.

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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SCUA Beverly Hills water safe to drink? ▼
SCUA Beverly Hills (PWS ID: 090400699) has 292 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 612 people using Groundwater sources.
How many people does SCUA Beverly Hills serve? ▼
SCUA Beverly Hills serves 612 people in San Carlos, EPA Region 9 — Tribal Water Systems. It is a Native American-owned system using Groundwater water sources with 102 service connections.
What type of violations does SCUA Beverly Hills have? ▼
SCUA Beverly Hills has 292 total violations: 2 health-based violations (MCL exceedances or treatment failures), 236 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SCUA Beverly Hills water? ▼
No PFAS testing data is available for SCUA Beverly Hills under the EPA's UCMR5 monitoring program.
What water source does SCUA Beverly Hills use? ▼
SCUA Beverly Hills 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.
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.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.