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Community Water System · PWS CO0120300

Gambel Oaks HOA

Elizabeth, Colorado 80107 - drinking water served from groundwater sources to 350 people, tracked in EPA SDWIS and UCMR5.

350
People served
83
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 83 drinking-water violations at Gambel Oaks HOA, 7% of them health-based - below the Colorado per-system average.

83
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
350
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Gambel Oaks HOA

Gambel Oaks HOA is a private-owned community water system that delivers drinking water to 350 residents in Elizabeth, Colorado (Elbert County) through 79 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 83 total violations for this system , of which 6 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 68 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 16 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%).

Gambel Oaks HOA's 83 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
350
Total Violations
83
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
79
County
Elbert
School/Daycare
No
MCL Violations
0
Monitoring Violations
68
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 16 2009
Coliform (TCR) MR 11 2009
Consumer Confidence Rule Other 6 2007
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 6 2018
Nitrate MR 3 2004
Barium MR 3 2002
Cadmium MR 3 2002
Chromium MR 3 2002
Mercury MR 3 2002
Nickel MR 3 2002
Beryllium, Total MR 3 2002
Combined Uranium MR 3 2020
Arsenic MR 3 2002
Gross Alpha, Excl. Radon and U MR 3 2020
Public Notice Other 3 2018
Antimony, Total MR 3 2002
Selenium MR 3 2002
Thallium, Total MR 3 2002
Chlorine MR 2 2006

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 Gambel Oaks HOA.

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 CO0120300 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 Gambel Oaks HOA 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
2020 Combined Uranium MR 3 SDWIS / CO0120300 / 4006
2020 Gross Alpha, Excl. Radon and U MR 3 SDWIS / CO0120300 / 4000
2018 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 6 SDWIS / CO0120300 / 0400
2018 Public Notice Other 3 SDWIS / CO0120300 / 7500
2009 Lead and Copper Rule MR 16 SDWIS / CO0120300 / 5000
2009 Coliform (TCR) MR 11 SDWIS / CO0120300 / 3100
2007 Consumer Confidence Rule Other 6 SDWIS / CO0120300 / 7000
2006 Chlorine MR 2 SDWIS / CO0120300 / 0999
2004 Nitrate MR 3 SDWIS / CO0120300 / 1040
2002 Barium MR 3 SDWIS / CO0120300 / 1010
2002 Cadmium MR 3 SDWIS / CO0120300 / 1015
2002 Chromium MR 3 SDWIS / CO0120300 / 1020
2002 Mercury MR 3 SDWIS / CO0120300 / 1035
2002 Nickel MR 3 SDWIS / CO0120300 / 1036
2002 Beryllium, Total MR 3 SDWIS / CO0120300 / 1075

How Gambel Oaks HOA Compares

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

Metric Gambel Oaks HOA Colorado avg Federal benchmark
Total violations 83 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 350 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 Gambel Oaks HOA water safe to drink? ▼
Gambel Oaks HOA (PWS ID: CO0120300) has 83 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 350 people using Groundwater sources.
How many people does Gambel Oaks HOA serve? ▼
Gambel Oaks HOA serves 350 people in Elizabeth, Colorado. It is a Private-owned system using Groundwater water sources with 79 service connections.
What type of violations does Gambel Oaks HOA have? ▼
Gambel Oaks HOA has 83 total violations: 6 health-based violations (MCL exceedances or treatment failures), 68 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Gambel Oaks HOA water? ▼
No PFAS testing data is available for Gambel Oaks HOA under the EPA's UCMR5 monitoring program.
What water source does Gambel Oaks HOA use? ▼
Gambel Oaks HOA 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.