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Community Water System · PWS CO0107510

Mile HI Water Inc Hauler

Boulder, Colorado 80301 - drinking water served from surface water sources to 1,000 people, tracked in EPA SDWIS and UCMR5.

1,000
People served
147
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 147 drinking-water violations at Mile HI Water Inc Hauler, 9% of them health-based - above the Colorado per-system average.

147
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
1,000
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mile HI Water Inc Hauler

Mile HI Water Inc Hauler is a private-owned community water system that delivers drinking water to 1,000 residents in Boulder, Colorado (Boulder County) through 100 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 147 total violations for this system , of which 13 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 108 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 Chlorine, recorded in 33 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 HI Water Inc Hauler's 147 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
1,000
Total Violations
147
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
100
County
Boulder
School/Daycare
No
MCL Violations
0
Monitoring Violations
108
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 33 2020
Coliform (TCR) MR 23 2015
Surface Water Treatment Rule MR 23 2020
Revised Total Coliform Rule MON 21 2020
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 13 2022
Consumer Confidence Rule Other 13 2025
Public Notice Other 11 2025
Total Haloacetic Acids (HAA5) MR 4 2013
TTHM MR 4 2013

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 HI Water Inc Hauler.

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 CO0107510 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 HI Water Inc Hauler 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 Consumer Confidence Rule Other 13 SDWIS / CO0107510 / 7000
2025 Public Notice Other 11 SDWIS / CO0107510 / 7500
2022 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 13 SDWIS / CO0107510 / 0400
2020 Chlorine MR 33 SDWIS / CO0107510 / 0999
2020 Surface Water Treatment Rule MR 23 SDWIS / CO0107510 / 0200
2020 Revised Total Coliform Rule MON 21 SDWIS / CO0107510 / 8000
2015 Coliform (TCR) MR 23 SDWIS / CO0107510 / 3100
2013 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CO0107510 / 2456
2013 TTHM MR 4 SDWIS / CO0107510 / 2950

How Mile HI Water Inc Hauler Compares

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

Metric Mile HI Water Inc Hauler Colorado avg Federal benchmark
Total violations 147 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 1,000 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 HI Water Inc Hauler water safe to drink? ▼
Mile HI Water Inc Hauler (PWS ID: CO0107510) has 147 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,000 people using Surface Water sources.
How many people does Mile HI Water Inc Hauler serve? ▼
Mile HI Water Inc Hauler serves 1,000 people in Boulder, Colorado. It is a Private-owned system using Surface Water water sources with 100 service connections.
What type of violations does Mile HI Water Inc Hauler have? ▼
Mile HI Water Inc Hauler has 147 total violations: 13 health-based violations (MCL exceedances or treatment failures), 108 monitoring/reporting violations, and 13 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mile HI Water Inc Hauler water? ▼
No PFAS testing data is available for Mile HI Water Inc Hauler under the EPA's UCMR5 monitoring program.
What water source does Mile HI Water Inc Hauler use? ▼
Mile HI Water Inc Hauler 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.