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Community Water System · PWS CO0123333

Cavern Springs Mhc, LLC

Glenwood Springs, Colorado 81601 - drinking water served from groundwater sources to 300 people, tracked in EPA SDWIS and UCMR5.

300
People served
27
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 27 drinking-water violations at Cavern Springs Mhc, LLC, 30% of them health-based - below the Colorado per-system average.

27
Total EPA violations on record
30%
Health-based (MCL / treatment failure)
300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cavern Springs Mhc, LLC

Cavern Springs Mhc, LLC is a private-owned community water system that delivers drinking water to 300 residents in Glenwood Springs, Colorado (Garfield County) through 96 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 27 total violations for this system , of which 8 (30%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 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 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%).

Cavern Springs Mhc, LLC's 27 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
300
Total Violations
27
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
96
County
Garfield
School/Daycare
No
MCL Violations
8
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 2000
Coliform (TCR) MR 7 2006
Lead and Copper Rule MR 4 2007
Revised Total Coliform Rule MON 3 2019
Chlorine MR 3 2019

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 Cavern Springs Mhc, LLC.

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 CO0123333 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 Cavern Springs Mhc, LLC 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
2019 Revised Total Coliform Rule MON 3 SDWIS / CO0123333 / 8000
2019 Chlorine MR 3 SDWIS / CO0123333 / 0999
2007 Lead and Copper Rule MR 4 SDWIS / CO0123333 / 5000
2006 Coliform (TCR) MR 7 SDWIS / CO0123333 / 3100
2000 Coliform (TCR) MCL 8 SDWIS / CO0123333 / 3100

How Cavern Springs Mhc, LLC Compares

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

Metric Cavern Springs Mhc, LLC Colorado avg Federal benchmark
Total violations 27 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 300 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 Cavern Springs Mhc, LLC water safe to drink? ▼
Cavern Springs Mhc, LLC (PWS ID: CO0123333) has 27 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 300 people using Groundwater sources.
How many people does Cavern Springs Mhc, LLC serve? ▼
Cavern Springs Mhc, LLC serves 300 people in Glenwood Springs, Colorado. It is a Private-owned system using Groundwater water sources with 96 service connections.
What type of violations does Cavern Springs Mhc, LLC have? ▼
Cavern Springs Mhc, LLC has 27 total violations: 8 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cavern Springs Mhc, LLC water? ▼
No PFAS testing data is available for Cavern Springs Mhc, LLC under the EPA's UCMR5 monitoring program.
What water source does Cavern Springs Mhc, LLC use? ▼
Cavern Springs Mhc, LLC 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.