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Community Water System · PWS CO0118085

Westcreek Lakes WD

Westcreek, Colorado 80863 - drinking water served from surface water sources to 165 people, tracked in EPA SDWIS and UCMR5.

165
People served
218
EPA violations
102
Health-based
Untested
UCMR5 result

The verdict

EPA records 218 drinking-water violations at Westcreek Lakes WD, 47% of them health-based - above the Colorado per-system average.

218
Total EPA violations on record
47%
Health-based (MCL / treatment failure)
165
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Westcreek Lakes WD

Westcreek Lakes WD is a local-owned community water system that delivers drinking water to 165 residents in Westcreek, Colorado (Douglas County) through 66 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 218 total violations for this system , of which 102 (47%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 97 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 Fluoride, recorded in 84 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%).

Westcreek Lakes WD's 218 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
165
Total Violations
218
Health-Based Violations
102
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
66
County
Douglas
School/Daycare
No
MCL Violations
84
Monitoring Violations
97
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MCL 84 2025
Coliform (TCR) MR 21 2013
Surface Water Treatment Rule TT 18 2025
Surface Water Treatment Rule MR 12 2025
Interim Enhanced Surface Water Treatment Rule MR 12 2025
Di(2-ethylhexyl) adipate MR 7 2009
Combined Uranium MR 6 2024
Chlorine MR 6 2023
Combined Radium (-226 and -228) MR 6 2024
Gross Alpha, Excl. Radon and U MR 6 2024
Consumer Confidence Rule Other 5 2021
TTHM MR 4 2024
Total Haloacetic Acids (HAA5) MR 4 2024
E. COLI MR 4 2025
Public Notice Other 4 2025
Revised Total Coliform Rule MON 3 2023
Nitrate MR 3 2015
Fluoride MR 2 2006
Lead and Copper Rule MR 1 1996

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 Westcreek Lakes WD.

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 CO0118085 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 Westcreek Lakes WD 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 Fluoride MCL 84 SDWIS / CO0118085 / 1025
2025 Surface Water Treatment Rule TT 18 SDWIS / CO0118085 / 0200
2025 Surface Water Treatment Rule MR 12 SDWIS / CO0118085 / 0200
2025 Interim Enhanced Surface Water Treatment Rule MR 12 SDWIS / CO0118085 / 0300
2025 E. COLI MR 4 SDWIS / CO0118085 / 3014
2025 Public Notice Other 4 SDWIS / CO0118085 / 7500
2024 Combined Uranium MR 6 SDWIS / CO0118085 / 4006
2024 Combined Radium (-226 and -228) MR 6 SDWIS / CO0118085 / 4010
2024 Gross Alpha, Excl. Radon and U MR 6 SDWIS / CO0118085 / 4000
2024 TTHM MR 4 SDWIS / CO0118085 / 2950
2024 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CO0118085 / 2456
2023 Chlorine MR 6 SDWIS / CO0118085 / 0999
2023 Revised Total Coliform Rule MON 3 SDWIS / CO0118085 / 8000
2021 Consumer Confidence Rule Other 5 SDWIS / CO0118085 / 7000
2015 Nitrate MR 3 SDWIS / CO0118085 / 1040

How Westcreek Lakes WD Compares

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

Metric Westcreek Lakes WD Colorado avg Federal benchmark
Total violations 218 108.9 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 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 165 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 Westcreek Lakes WD water safe to drink? ▼
Westcreek Lakes WD (PWS ID: CO0118085) has 218 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 165 people using Surface Water sources.
How many people does Westcreek Lakes WD serve? ▼
Westcreek Lakes WD serves 165 people in Westcreek, Colorado. It is a Local-owned system using Surface Water water sources with 66 service connections.
What type of violations does Westcreek Lakes WD have? ▼
Westcreek Lakes WD has 218 total violations: 102 health-based violations (MCL exceedances or treatment failures), 97 monitoring/reporting violations, and 18 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Westcreek Lakes WD water? ▼
No PFAS testing data is available for Westcreek Lakes WD under the EPA's UCMR5 monitoring program.
What water source does Westcreek Lakes WD use? ▼
Westcreek Lakes WD uses Surface Water 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.