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Community Water System · PWS CO0154566

Oak Creek Town Of

Oak Creek, Colorado 80467 - drinking water served from surface water sources to 950 people, tracked in EPA SDWIS and UCMR5.

950
People served
264
EPA violations
98
Health-based
Untested
UCMR5 result

The verdict

EPA records 264 drinking-water violations at Oak Creek Town Of, 37% of them health-based - above the Colorado per-system average.

264
Total EPA violations on record
37%
Health-based (MCL / treatment failure)
950
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Oak Creek Town Of

Oak Creek Town Of is a local-owned community water system that delivers drinking water to 950 residents in Oak Creek, Colorado (Routt County) through 550 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 264 total violations for this system , of which 98 (37%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 126 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 43 violations (TT, 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%).

Oak Creek Town Of's 264 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
950
Total Violations
264
Health-Based Violations
98
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
550
County
Routt
School/Daycare
No
MCL Violations
42
Monitoring Violations
126
Treatment Tech Violations
56

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 43 2025
Total Haloacetic Acids (HAA5) MCL 27 2013
TTHM MR 24 2025
Total Haloacetic Acids (HAA5) MR 24 2025
Public Notice Other 23 2025
Coliform (TCR) MR 22 2005
Interim Enhanced Surface Water Treatment Rule MR 21 2025
Surface Water Treatment Rule MR 20 2022
TTHM MCL 15 2011
Interim Enhanced Surface Water Treatment Rule TT 11 2024
Lead and Copper Rule MR 9 2022
Toluene MR 3 2009
Revised Total Coliform Rule Other 3 2024
E. COLI MR 3 2017
Consumer Confidence Rule Other 2 2004
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2024

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 Oak Creek Town Of.

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 CO0154566 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 Oak Creek Town Of 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 TT 43 SDWIS / CO0154566 / 0200
2025 TTHM MR 24 SDWIS / CO0154566 / 2950
2025 Total Haloacetic Acids (HAA5) MR 24 SDWIS / CO0154566 / 2456
2025 Public Notice Other 23 SDWIS / CO0154566 / 7500
2025 Interim Enhanced Surface Water Treatment Rule MR 21 SDWIS / CO0154566 / 0300
2024 Interim Enhanced Surface Water Treatment Rule TT 11 SDWIS / CO0154566 / 0300
2024 Revised Total Coliform Rule Other 3 SDWIS / CO0154566 / 8000
2024 LEAD AND COPPER RULE REVISIONS TT 2 SDWIS / CO0154566 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / CO0154566 / 5200
2022 Surface Water Treatment Rule MR 20 SDWIS / CO0154566 / 0200
2022 Lead and Copper Rule MR 9 SDWIS / CO0154566 / 5000
2017 E. COLI MR 3 SDWIS / CO0154566 / 3014
2013 Total Haloacetic Acids (HAA5) MCL 27 SDWIS / CO0154566 / 2456
2011 TTHM MCL 15 SDWIS / CO0154566 / 2950
2009 Toluene MR 3 SDWIS / CO0154566 / 2991

How Oak Creek Town Of Compares

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

Metric Oak Creek Town Of Colorado avg Federal benchmark
Total violations 264 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 98 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 950 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 Oak Creek Town Of water safe to drink?
Oak Creek Town Of (PWS ID: CO0154566) has 264 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 950 people using Surface Water sources.
How many people does Oak Creek Town Of serve?
Oak Creek Town Of serves 950 people in Oak Creek, Colorado. It is a Local-owned system using Surface Water water sources with 550 service connections.
What type of violations does Oak Creek Town Of have?
Oak Creek Town Of has 264 total violations: 98 health-based violations (MCL exceedances or treatment failures), 126 monitoring/reporting violations, and 56 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Oak Creek Town Of water?
No PFAS testing data is available for Oak Creek Town Of under the EPA's UCMR5 monitoring program.
What water source does Oak Creek Town Of use?
Oak Creek Town Of 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.
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.