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Community Water System · PWS CO0101510

Mile High WC

Broomfield, Colorado 80038 - drinking water served from surface water sources to 700 people, tracked in EPA SDWIS and UCMR5.

700
People served
102
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 102 drinking-water violations at Mile High WC, 4% of them health-based - below the Colorado per-system average.

102
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
700
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mile High WC

Mile High WC is a private-owned community water system that delivers drinking water to 700 residents in Broomfield, Colorado (Adams County) through 283 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 102 total violations for this system , of which 4 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 81 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 Coliform (TCR), recorded in 25 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%).

Mile High WC's 102 violations sit below 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
700
Total Violations
102
Health-Based Violations
4
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
283
County
Adams
School/Daycare
No
MCL Violations
0
Monitoring Violations
81
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 25 2009
Lead and Copper Rule MR 21 2016
Consumer Confidence Rule Other 12 2023
Chlorine MR 9 2016
Surface Water Treatment Rule MR 7 2024
Chloramine MR 7 2024
Revised Total Coliform Rule MON 6 2022
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2019
TTHM MR 3 2022
Total Haloacetic Acids (HAA5) MR 3 2022
Revised Total Coliform Rule Other 3 2025

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 Mile High WC.

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 CO0101510 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 Mile High WC 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 Revised Total Coliform Rule Other 3 SDWIS / CO0101510 / 8000
2024 Surface Water Treatment Rule MR 7 SDWIS / CO0101510 / 0200
2024 Chloramine MR 7 SDWIS / CO0101510 / 1006
2023 Consumer Confidence Rule Other 12 SDWIS / CO0101510 / 7000
2022 Revised Total Coliform Rule MON 6 SDWIS / CO0101510 / 8000
2022 TTHM MR 3 SDWIS / CO0101510 / 2950
2022 Total Haloacetic Acids (HAA5) MR 3 SDWIS / CO0101510 / 2456
2019 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / CO0101510 / 0400
2016 Lead and Copper Rule MR 21 SDWIS / CO0101510 / 5000
2016 Chlorine MR 9 SDWIS / CO0101510 / 0999
2009 Coliform (TCR) MR 25 SDWIS / CO0101510 / 3100

How Mile High WC Compares

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

Metric Mile High WC Colorado avg Federal benchmark
Total violations 102 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 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 700 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 Mile High WC water safe to drink? ▼
Mile High WC (PWS ID: CO0101510) has 102 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 700 people using Surface Water sources.
How many people does Mile High WC serve? ▼
Mile High WC serves 700 people in Broomfield, Colorado. It is a Private-owned system using Surface Water water sources with 283 service connections.
What type of violations does Mile High WC have? ▼
Mile High WC has 102 total violations: 4 health-based violations (MCL exceedances or treatment failures), 81 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mile High WC water? ▼
No PFAS testing data is available for Mile High WC under the EPA's UCMR5 monitoring program.
What water source does Mile High WC use? ▼
Mile High WC 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.