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Non-Transient Non-Community Water System · PWS CO0254185

Xcel Energy Hayden Station

Denver, Colorado 80202 - drinking water served from surface water sources to 110 people, tracked in EPA SDWIS and UCMR5.

110
People served
240
EPA violations
157
Health-based
Untested
UCMR5 result

The verdict

EPA records 240 drinking-water violations at Xcel Energy Hayden Station, 65% of them health-based - above the Colorado per-system average.

240
Total EPA violations on record
65%
Health-based (MCL / treatment failure)
110
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Xcel Energy Hayden Station

Xcel Energy Hayden Station is a private-owned non-transient non-community water system that delivers drinking water to 110 residents in Denver, Colorado (Routt County) through 50 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 240 total violations for this system , of which 157 (65%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 76 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 63 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%).

Xcel Energy Hayden Station's 240 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
110
Total Violations
240
Health-Based Violations
157
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
50
County
Routt
School/Daycare
No
MCL Violations
56
Monitoring Violations
76
Treatment Tech Violations
101

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 63 2014
TTHM MCL 46 2010
Interim Enhanced Surface Water Treatment Rule TT 24 2024
Surface Water Treatment Rule MR 16 2011
Lead and Copper Rule MR 16 2021
Total Haloacetic Acids (HAA5) MCL 10 2010
Lead and Copper Rule TT 8 2023
E. COLI MR 7 2018
Coliform (TCR) MR 7 2011
CARBON, TOTAL TT 6 2005
TTHM MR 6 2018
Total Haloacetic Acids (HAA5) MR 6 2018
CARBON, TOTAL MR 5 2004
Hexachlorocyclopentadiene MR 4 2007
Chlorine MR 4 2011
Di(2-ethylhexyl) phthalate MR 4 2021
Public Notice Other 3 2020
Nitrate MR 1 1993

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 Xcel Energy Hayden Station.

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 CO0254185 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 Xcel Energy Hayden Station 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
2024 Interim Enhanced Surface Water Treatment Rule TT 24 SDWIS / CO0254185 / 0300
2023 Lead and Copper Rule TT 8 SDWIS / CO0254185 / 5000
2021 Lead and Copper Rule MR 16 SDWIS / CO0254185 / 5000
2021 Di(2-ethylhexyl) phthalate MR 4 SDWIS / CO0254185 / 2039
2020 Public Notice Other 3 SDWIS / CO0254185 / 7500
2018 E. COLI MR 7 SDWIS / CO0254185 / 3014
2018 TTHM MR 6 SDWIS / CO0254185 / 2950
2018 Total Haloacetic Acids (HAA5) MR 6 SDWIS / CO0254185 / 2456
2014 Surface Water Treatment Rule TT 63 SDWIS / CO0254185 / 0200
2011 Surface Water Treatment Rule MR 16 SDWIS / CO0254185 / 0200
2011 Coliform (TCR) MR 7 SDWIS / CO0254185 / 3100
2011 Chlorine MR 4 SDWIS / CO0254185 / 0999
2010 TTHM MCL 46 SDWIS / CO0254185 / 2950
2010 Total Haloacetic Acids (HAA5) MCL 10 SDWIS / CO0254185 / 2456
2007 Hexachlorocyclopentadiene MR 4 SDWIS / CO0254185 / 2042

How Xcel Energy Hayden Station Compares

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

Metric Xcel Energy Hayden Station Colorado avg Federal benchmark
Total violations 240 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 157 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 110 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 Xcel Energy Hayden Station water safe to drink? ▼
Xcel Energy Hayden Station (PWS ID: CO0254185) has 240 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 110 people using Surface Water sources.
How many people does Xcel Energy Hayden Station serve? ▼
Xcel Energy Hayden Station serves 110 people in Denver, Colorado. It is a Private-owned system using Surface Water water sources with 50 service connections.
What type of violations does Xcel Energy Hayden Station have? ▼
Xcel Energy Hayden Station has 240 total violations: 157 health-based violations (MCL exceedances or treatment failures), 76 monitoring/reporting violations, and 101 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Xcel Energy Hayden Station water? ▼
No PFAS testing data is available for Xcel Energy Hayden Station under the EPA's UCMR5 monitoring program.
What water source does Xcel Energy Hayden Station use? ▼
Xcel Energy Hayden Station 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.