NATHROP, CO · Chaffee County
MESA ANTERO SUBD Water System
Consumer Confidence Report status
MESA ANTERO SUBD 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 MESA ANTERO SUBD.
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)
- CO0108525
- System type
- Community Water System
- Population served
- 250
- Service connections
- 127
- Ownership
- privately owned
- Water source
- groundwater (wells)
MESA ANTERO SUBD is one of 1,060 community water systems in Colorado in the 500 or fewer people size category, serving 250 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 2024, all of which EPA lists as closed.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Consumer Confidence Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – August 12, 2024
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2024 – August 12, 2024 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 7, 2025State Violation/Reminder Notice2 linked violations
- February 7, 2025State Public Notification requested2 linked violations
- August 7, 2024State Public Notification requested6 linked violations
- January 19, 2024State Public Notification requested3 linked violations
Common questions
Is MESA ANTERO SUBD required to publish a Consumer Confidence Report?
- Yes. MESA ANTERO SUBD 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 MESA ANTERO SUBD’s next Consumer Confidence Report due?
- MESA ANTERO SUBD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MESA ANTERO SUBD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for MESA ANTERO SUBD.
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
ATWELL, MARK
719-510-7669
NATHROP, CO 81236-9787