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Transient Non-Community Water System · PWS CO0219100

4 Eagle Ranch

Wolcott, Colorado 80655 - drinking water served from surface water sources to 470 people, tracked in EPA SDWIS and UCMR5.

470
People served
385
EPA violations
122
Health-based
Untested
UCMR5 result

The verdict

EPA records 385 drinking-water violations at 4 Eagle Ranch, 32% of them health-based - above the Colorado per-system average.

385
Total EPA violations on record
32%
Health-based (MCL / treatment failure)
470
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: 4 Eagle Ranch

4 Eagle Ranch is a private-owned transient non-community water system that delivers drinking water to 470 residents in Wolcott, Colorado (Eagle County) through 36 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 385 total violations for this system , of which 122 (32%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 222 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 Surface Water Treatment Rule, recorded in 166 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%).

4 Eagle Ranch's 385 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
470
Total Violations
385
Health-Based Violations
122
Water Source
Surface Water

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
36
County
Eagle
School/Daycare
No
MCL Violations
0
Monitoring Violations
222
Treatment Tech Violations
122

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 166 2025
Surface Water Treatment Rule TT 111 2025
Public Notice Other 37 2025
Interim Enhanced Surface Water Treatment Rule MR 27 2025
Coliform (TCR) MR 17 2002
Interim Enhanced Surface Water Treatment Rule TT 8 2017
E. COLI MR 6 2018
Revised Total Coliform Rule MON 3 2024
Revised Total Coliform Rule TT 3 2021
Nitrate MR 3 2016

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 4 Eagle Ranch.

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 CO0219100 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 4 Eagle Ranch 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 Surface Water Treatment Rule MR 166 SDWIS / CO0219100 / 0200
2025 Surface Water Treatment Rule TT 111 SDWIS / CO0219100 / 0200
2025 Public Notice Other 37 SDWIS / CO0219100 / 7500
2025 Interim Enhanced Surface Water Treatment Rule MR 27 SDWIS / CO0219100 / 0300
2024 Revised Total Coliform Rule MON 3 SDWIS / CO0219100 / 8000
2021 Revised Total Coliform Rule TT 3 SDWIS / CO0219100 / 8000
2018 E. COLI MR 6 SDWIS / CO0219100 / 3014
2017 Interim Enhanced Surface Water Treatment Rule TT 8 SDWIS / CO0219100 / 0300
2016 Nitrate MR 3 SDWIS / CO0219100 / 1040
2002 Coliform (TCR) MR 17 SDWIS / CO0219100 / 3100

How 4 Eagle Ranch Compares

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

Metric 4 Eagle Ranch Colorado avg Federal benchmark
Total violations 385 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 122 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 470 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 4 Eagle Ranch water safe to drink? ▼
4 Eagle Ranch (PWS ID: CO0219100) has 385 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 470 people using Surface Water sources.
How many people does 4 Eagle Ranch serve? ▼
4 Eagle Ranch serves 470 people in Wolcott, Colorado. It is a Private-owned system using Surface Water water sources with 36 service connections.
What type of violations does 4 Eagle Ranch have? ▼
4 Eagle Ranch has 385 total violations: 122 health-based violations (MCL exceedances or treatment failures), 222 monitoring/reporting violations, and 122 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in 4 Eagle Ranch water? ▼
No PFAS testing data is available for 4 Eagle Ranch under the EPA's UCMR5 monitoring program.
What water source does 4 Eagle Ranch use? ▼
4 Eagle Ranch uses Surface Water 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.