SUN RIVER, MT · Cascade County
CASCADE COLONY Water System
Consumer Confidence Report status
CASCADE COLONY 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 CASCADE COLONY.
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 Montana’s official records. Always confirm current status with Montana before making decisions based on this information.
System facts
- System ID (PWSID)
- MT0001738
- System type
- Community Water System
- Population served
- 105
- Service connections
- 20
- Ownership
- privately owned
- Water source
- groundwater (wells)
CASCADE COLONY is one of 1,084 community water systems in Montana in the 500 or fewer people size category, serving 105 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- April 23, 2018State Violation/Reminder Notice7 linked violations
Common questions
Is CASCADE COLONY required to publish a Consumer Confidence Report?
- Yes. CASCADE COLONY 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 CASCADE COLONY’s next Consumer Confidence Report due?
- CASCADE COLONY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CASCADE COLONY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for CASCADE COLONY.
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
ENTZ, PETER
406-264-5265
SUN RIVER, MT 59483