Public water system · CO0107510

Active

Mile Hi Water Inc. Hauler

At a glance

Mile Hi Water Inc. Hauler (PWSID CO0107510) is an active community water system in Boulder County, Colorado. It reports serving 1,000 people through 100 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2026.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

1,000

Service connections

100

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCO0107510

System typeCommunity water system

Activity statusActive

Population served1,000

Service connections100

Primary water sourcePurchased surface water

Owner typePrivate

Primacy agencyCO state drinking water program

City served—

StateColorado

ZIP—

CountyBoulder County

How does Mile Hi Water Inc. Hauler compare with other water systems in Boulder County?

By EPA's size categories, Mile Hi Water Inc. Hauler is a small system (501 to 3,300 people). Boulder County has 81 active public water systems. Its population served is well below the county average of 5,397 people per system, and accounts for 0.2% of the 437,116 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Mile Hi Water Inc. Hauler is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 337 Colorado systems (15%) list purchased surface water as their primary source.

Who owns and regulates Mile Hi Water Inc. Hauler?

EPA lists Mile Hi Water Inc. Hauler as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 53 of the 81 active systems in Boulder County (65%) are also privately owned.

Does Mile Hi Water Inc. Hauler have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2026. The violations listed here began between February 2022 and February 2026. By type: 10 public notice, recordkeeping or other and 2 required treatment not met. The contaminant or rule involved most often is Public Notice (9 of them). EPA lists 8 as resolved and 4 as addressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Addressed means the violation is not resolved or archived and is covered by formal enforcement.

Began	Violation	Contaminant or rule	Health-based	Status
2026-02-19	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Addressed
2026-02-19	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Addressed
2025-11-17	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2025-10-09	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2025-08-17	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2025-07-09	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2025-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Addressed
2025-04-09	Required treatment not metFailure To Address Deficiency · code 45	Groundwater Rulecode 0700	Yes	Addressed
2025-04-09	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2025-01-09	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved
2022-07-01	Required treatment not metTreatment Technique No Certif. Operator · code 12	Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400	Yes	Resolved
2022-02-28	Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76	Public Noticecode 7500	No	Resolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Mile Hi Water Inc. Hauler: frequently asked questions

Who runs Mile Hi Water Inc. Hauler?

Mile Hi Water Inc. Hauler (PWSID CO0107510) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Mile Hi Water Inc. Hauler serve?

Mile Hi Water Inc. Hauler reports serving 1,000 people through 100 service connections in Boulder County, Colorado.

Where does Mile Hi Water Inc. Hauler get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Mile Hi Water Inc. Hauler have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2026. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Mile Hi Water Inc. Hauler's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Mile Hi Water Inc. Hauler's water quality report?

As a community water system, Mile Hi Water Inc. Hauler must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Boulder County

Water system	County	Population served	Type	Source
Boulder City of	Boulder	166,080	Community	Surface water
Longmont City of	Boulder	104,178	Community	Surface water
Erie Town of	Boulder	47,444	Community	Surface water
Lafayette City of	Boulder	28,700	Community	Surface water
Louisville City of	Boulder	20,975	Community	Surface water
Left Hand Wd	Boulder	20,280	Community	Surface water

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Mile Hi Water Inc. Hauler, PWSID CO0107510, Colorado”, https://aquacensus.com/water-systems/colorado/mile-hi-water-inc-hauler-co0107510 (data as of October 1, 2026).