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Community Water System · PWS CO0118001

Beverly Hills Mutual WC

Castle Rock, Colorado 80108 - drinking water served from groundwater sources to 325 people, tracked in EPA SDWIS and UCMR5.

325
People served
87
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 87 drinking-water violations at Beverly Hills Mutual WC, 5% of them health-based - below the Colorado per-system average.

87
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
325
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Beverly Hills Mutual WC

Beverly Hills Mutual WC is a private-owned community water system that delivers drinking water to 325 residents in Castle Rock, Colorado (Douglas County) through 119 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 87 total violations for this system , of which 4 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 72 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 9 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 Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 108.9 violations. Statewide, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Beverly Hills Mutual WC's 87 violations sit below the Colorado average.

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
325
Total Violations
87
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
119
County
Douglas
School/Daycare
No
MCL Violations
0
Monitoring Violations
72
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 9 2006
Consumer Confidence Rule Other 8 2007
Coliform (TCR) MR 6 2005
Chlorine MR 5 2016
Barium MR 4 2005
Chromium MR 4 2005
Mercury MR 4 2005
Antimony, Total MR 4 2005
Thallium, Total MR 4 2005
Nickel MR 4 2005
Cadmium MR 4 2005
Beryllium, Total MR 4 2005
Selenium MR 4 2005
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2018
Arsenic MR 4 2005
Fluoride MR 3 2005
TTHM MR 3 2007
Total Haloacetic Acids (HAA5) MR 3 2007
Nitrate MR 3 2004
Public Notice Other 2 2018

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 Beverly Hills Mutual WC.

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 CO0118001 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Colorado Drinking Water Authority

Colorado Department of Public Health and Environment, Water Quality Control is the primacy agency that licenses and inspects Beverly Hills Mutual WC under EPA-delegated authority.

Open CO regulator portal

Source: Colorado Department of Public Health and Environment, Water Quality Control

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
2018 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / CO0118001 / 0400
2018 Public Notice Other 2 SDWIS / CO0118001 / 7500
2016 Chlorine MR 5 SDWIS / CO0118001 / 0999
2007 Consumer Confidence Rule Other 8 SDWIS / CO0118001 / 7000
2007 TTHM MR 3 SDWIS / CO0118001 / 2950
2007 Total Haloacetic Acids (HAA5) MR 3 SDWIS / CO0118001 / 2456
2006 Lead and Copper Rule MR 9 SDWIS / CO0118001 / 5000
2005 Coliform (TCR) MR 6 SDWIS / CO0118001 / 3100
2005 Barium MR 4 SDWIS / CO0118001 / 1010
2005 Chromium MR 4 SDWIS / CO0118001 / 1020
2005 Mercury MR 4 SDWIS / CO0118001 / 1035
2005 Antimony, Total MR 4 SDWIS / CO0118001 / 1074
2005 Thallium, Total MR 4 SDWIS / CO0118001 / 1085
2005 Nickel MR 4 SDWIS / CO0118001 / 1036
2005 Cadmium MR 4 SDWIS / CO0118001 / 1015

How Beverly Hills Mutual WC Compares

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

Metric Beverly Hills Mutual WC Colorado avg Federal benchmark
Total violations 87 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 325 3,408 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,193 regulated public water systems in Colorado.

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 Beverly Hills Mutual WC water safe to drink? ▼
Beverly Hills Mutual WC (PWS ID: CO0118001) has 87 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 325 people using Groundwater sources.
How many people does Beverly Hills Mutual WC serve? ▼
Beverly Hills Mutual WC serves 325 people in Castle Rock, Colorado. It is a Private-owned system using Groundwater water sources with 119 service connections.
What type of violations does Beverly Hills Mutual WC have? ▼
Beverly Hills Mutual WC has 87 total violations: 4 health-based violations (MCL exceedances or treatment failures), 72 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Beverly Hills Mutual WC water? ▼
No PFAS testing data is available for Beverly Hills Mutual WC under the EPA's UCMR5 monitoring program.
What water source does Beverly Hills Mutual WC use? ▼
Beverly Hills Mutual WC 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.