PlainWater

Non-Transient Non-Community Water System · PWS CO0219170

Cslb 41149 US 6

Windsor, Colorado 80550 - drinking water served from groundwater sources to 76 people, tracked in EPA SDWIS and UCMR5.

76
People served
34
EPA violations
23
Health-based
Untested
UCMR5 result

The verdict

EPA records 34 drinking-water violations at Cslb 41149 US 6, 68% of them health-based - below the Colorado per-system average.

34
Total EPA violations on record
68%
Health-based (MCL / treatment failure)
76
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cslb 41149 US 6

Cslb 41149 US 6 is a state-owned non-transient non-community water system that delivers drinking water to 76 residents in Windsor, Colorado (Eagle County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 34 total violations for this system , of which 23 (68%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is TTHM, recorded in 23 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%).

Cslb 41149 US 6's 34 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
76
Total Violations
34
Health-Based Violations
23
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
State
Connections
1
County
Eagle
School/Daycare
No
MCL Violations
23
Monitoring Violations
9
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 23 2023
Revised Total Coliform Rule MON 3 2019
Lead and Copper Rule MR 3 2020
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 2019
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 Cslb 41149 US 6.

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 CO0219170 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 Cslb 41149 US 6 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
2023 TTHM MCL 23 SDWIS / CO0219170 / 2950
2020 Lead and Copper Rule MR 3 SDWIS / CO0219170 / 5000
2019 Revised Total Coliform Rule MON 3 SDWIS / CO0219170 / 8000
2019 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 3 SDWIS / CO0219170 / 0600
2019 Public Notice Other 2 SDWIS / CO0219170 / 7500

How Cslb 41149 US 6 Compares

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

Metric Cslb 41149 US 6 Colorado avg Federal benchmark
Total violations 34 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 23 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 76 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 Cslb 41149 US 6 water safe to drink?
Cslb 41149 US 6 (PWS ID: CO0219170) has 34 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 76 people using Groundwater sources.
How many people does Cslb 41149 US 6 serve?
Cslb 41149 US 6 serves 76 people in Windsor, Colorado. It is a State-owned system using Groundwater water sources with 1 service connections.
What type of violations does Cslb 41149 US 6 have?
Cslb 41149 US 6 has 34 total violations: 23 health-based violations (MCL exceedances or treatment failures), 9 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cslb 41149 US 6 water?
No PFAS testing data is available for Cslb 41149 US 6 under the EPA's UCMR5 monitoring program.
What water source does Cslb 41149 US 6 use?
Cslb 41149 US 6 uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.
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.