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Transient Non-Community Water System · PWS CO0239505

Mesa Lakes Lodge and Resort

Mesa, Colorado 81643 - drinking water served from groundwater sources to 107 people, tracked in EPA SDWIS and UCMR5.

107
People served
128
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 128 drinking-water violations at Mesa Lakes Lodge and Resort - above the Colorado per-system average.

128
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
107
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mesa Lakes Lodge and Resort

Mesa Lakes Lodge and Resort is a private-owned transient non-community water system that delivers drinking water to 107 residents in Mesa, Colorado (Mesa County) through 10 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 128 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 117 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 74 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%).

Mesa Lakes Lodge and Resort's 128 violations sit above 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
107
Total Violations
128
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
10
County
Mesa
School/Daycare
No
MCL Violations
0
Monitoring Violations
117
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 74 2014
Nitrate MR 28 2019
Revised Total Coliform Rule MON 8 2025
E. COLI MR 4 2010
Nitrate-Nitrite MR 3 1998
Public Notice Other 2 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 Mesa Lakes Lodge and Resort.

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 CO0239505 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 Mesa Lakes Lodge and Resort 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
2025 Revised Total Coliform Rule MON 8 SDWIS / CO0239505 / 8000
2019 Nitrate MR 28 SDWIS / CO0239505 / 1040
2019 Public Notice Other 2 SDWIS / CO0239505 / 7500
2014 Coliform (TCR) MR 74 SDWIS / CO0239505 / 3100
2010 E. COLI MR 4 SDWIS / CO0239505 / 3014
1998 Nitrate-Nitrite MR 3 SDWIS / CO0239505 / 1038

How Mesa Lakes Lodge and Resort Compares

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

Metric Mesa Lakes Lodge and Resort Colorado avg Federal benchmark
Total violations 128 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 107 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 Mesa Lakes Lodge and Resort water safe to drink? ▼
Mesa Lakes Lodge and Resort (PWS ID: CO0239505) has 128 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 107 people using Groundwater sources.
How many people does Mesa Lakes Lodge and Resort serve? ▼
Mesa Lakes Lodge and Resort serves 107 people in Mesa, Colorado. It is a Private-owned system using Groundwater water sources with 10 service connections.
What type of violations does Mesa Lakes Lodge and Resort have? ▼
Mesa Lakes Lodge and Resort has 128 total violations: 0 health-based violations (MCL exceedances or treatment failures), 117 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mesa Lakes Lodge and Resort water? ▼
No PFAS testing data is available for Mesa Lakes Lodge and Resort under the EPA's UCMR5 monitoring program.
What water source does Mesa Lakes Lodge and Resort use? ▼
Mesa Lakes Lodge and Resort uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.