Public Water Partners

DILLON, CO · Summit County

HAMILTON CREEK MD Water System

Consumer Confidence Report status

HAMILTON CREEK MD must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for HAMILTON CREEK MD.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Colorado’s official records. Always confirm current status with Colorado before making decisions based on this information.

System facts

System ID (PWSID)
CO0159063
System type
Community Water System
Population served
200
Service connections
104
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

HAMILTON CREEK MD is one of 1,060 community water systems in Colorado in the 500 or fewer people size category, serving 200 people from surface water.

As of August 1, 2026, its federal record holds 6 entries between 1998 and 2025, all of which EPA lists as closed.

All 6 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Surface Water Treatment Rules and the Lead and Copper Rule.

Violation history

  • Monitoring, Turbidity (Enhanced SWTR)

    —

    Interim Enhanced Surface Water Treatment Rule

    October 1, 2025 – October 16, 2025

    Resolved

  • Monitoring, Turbidity (Enhanced SWTR)

    —

    Interim Enhanced Surface Water Treatment Rule

    September 1, 2025 – September 30, 2025

    Resolved

  • Monitoring, Turbidity (Enhanced SWTR)

    —

    Interim Enhanced Surface Water Treatment Rule

    August 1, 2025 – August 31, 2025

    Resolved

  • Monitoring of Treatment (SWTR-Filter)

    —

    Surface Water Treatment Rule

    December 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Turbidity (Enhanced SWTR)

    —

    Interim Enhanced Surface Water Treatment Rule

    December 1, 2024 – December 31, 2024

    Resolved

  • Initial Tap Sampling for Pb and Cu

    —

    Lead and Copper Rule

    January 1, 1998 – June 5, 1998

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is HAMILTON CREEK MD required to publish a Consumer Confidence Report?

Yes. HAMILTON CREEK MD is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is HAMILTON CREEK MD’s next Consumer Confidence Report due?

HAMILTON CREEK MD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does HAMILTON CREEK MD have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for HAMILTON CREEK MD.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

OBERHEIDE, TOM

970-468-6875

DILLON, CO 80435