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Non-Transient Non-Community Water System · PWS CO0235666

Ravencrest Chalet

Windsor, Colorado 80550 - drinking water served from surface water sources to 55 people, tracked in EPA SDWIS and UCMR5.

55
People served
925
EPA violations
102
Health-based
Untested
UCMR5 result

The verdict

EPA records 925 drinking-water violations at Ravencrest Chalet, 11% of them health-based - above the Colorado per-system average.

925
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
55
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ravencrest Chalet

Ravencrest Chalet is a private-owned non-transient non-community water system that delivers drinking water to 55 residents in Windsor, Colorado (Larimer County) through 7 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 925 total violations for this system , of which 102 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 806 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 TTHM, recorded in 78 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, 37 of 163 UCMR5-tested systems have reported PFAS detections (22.7%).

Ravencrest Chalet's 925 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
55
Total Violations
925
Health-Based Violations
102
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
7
County
Larimer
School/Daycare
No
MCL Violations
90
Monitoring Violations
806
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 78 2025
Lead and Copper Rule MR 31 2018
Nitrate MR 24 2022
Coliform (TCR) MR 24 2012
Chlorine MR 17 2012
Public Notice Other 17 2023
Endothall MR 16 2023
Coliform (TCR) MCL 12 1998
1,2,4-Trichlorobenzene MR 12 2008
cis-1,2-Dichloroethylene MR 12 2008
Xylenes, Total MR 12 2008
DICHLOROMETHANE MR 12 2008
trans-1,2-Dichloroethylene MR 12 2008
Carbon tetrachloride MR 12 2008
1,2-Dichloropropane MR 12 2008
1,1,2-Trichloroethane MR 12 2008
CHLOROBENZENE MR 12 2008
Benzene MR 12 2008
Ethylbenzene MR 12 2008
Styrene MR 12 2008
o-Dichlorobenzene MR 12 2008
1,2-Dichloroethane MR 12 2008
Trichloroethylene MR 12 2008
Tetrachloroethylene MR 12 2008
Endrin MR 12 2008
BHC-GAMMA MR 12 2008
Methoxychlor MR 12 2008
Dalapon MR 12 2008
Diquat MR 12 2008
Picloram MR 12 2008

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 Ravencrest Chalet.

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 CO0235666 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 Ravencrest Chalet 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 TTHM MCL 78 SDWIS / CO0235666 / 2950
2023 Public Notice Other 17 SDWIS / CO0235666 / 7500
2023 Endothall MR 16 SDWIS / CO0235666 / 2033
2023 Cadmium MR 7 SDWIS / CO0235666 / 1015
2023 Chromium MR 7 SDWIS / CO0235666 / 1020
2023 Mercury MR 7 SDWIS / CO0235666 / 1035
2023 Nickel MR 7 SDWIS / CO0235666 / 1036
2023 Antimony, Total MR 7 SDWIS / CO0235666 / 1074
2023 Barium MR 7 SDWIS / CO0235666 / 1010
2023 Beryllium, Total MR 7 SDWIS / CO0235666 / 1075
2023 Thallium, Total MR 7 SDWIS / CO0235666 / 1085
2023 Selenium MR 7 SDWIS / CO0235666 / 1045
2023 Arsenic MR 7 SDWIS / CO0235666 / 1005
2022 Nitrate MR 24 SDWIS / CO0235666 / 1040
2022 Groundwater Rule TT 4 SDWIS / CO0235666 / 0700

How Ravencrest Chalet Compares

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

Metric Ravencrest Chalet Colorado avg Federal benchmark
Total violations 925 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 102 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 22.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 55 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 Ravencrest Chalet water safe to drink? ▼
Ravencrest Chalet (PWS ID: CO0235666) has 925 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 55 people using Surface Water sources.
How many people does Ravencrest Chalet serve? ▼
Ravencrest Chalet serves 55 people in Windsor, Colorado. It is a Private-owned system using Surface Water water sources with 7 service connections.
What type of violations does Ravencrest Chalet have? ▼
Ravencrest Chalet has 925 total violations: 102 health-based violations (MCL exceedances or treatment failures), 806 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ravencrest Chalet water? ▼
No PFAS testing data is available for Ravencrest Chalet under the EPA's UCMR5 monitoring program.
What water source does Ravencrest Chalet use? ▼
Ravencrest Chalet uses Surface Water 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.

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.