DURANGO, CO · La Plata County
SOUTHWEST HORIZON RANCH Water System
Consumer Confidence Report status
SOUTHWEST HORIZON RANCH 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 SOUTHWEST HORIZON RANCH.
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)
- CO0134717
- System type
- Community Water System
- Population served
- 323
- Service connections
- 60
- Ownership
- privately owned
- Water source
- groundwater (wells)
SOUTHWEST HORIZON RANCH is one of 1,060 community water systems in Colorado in the 500 or fewer people size category, serving 323 people from groundwater.
As of August 1, 2026, its federal record holds 3 entries between 2005 and 2015, all of which EPA lists as closed. Nothing has been added since 2015.
All 3 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 volatile organic chemicals and synthetic organic chemicals.
Violation history
Monitoring, Regular
—Dalapon
July 1, 2015 – September 30, 2015
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Styrene
January 1, 2005 – December 31, 2007
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2015 – September 30, 2015 | Monitoring, Regular | Dalapon | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Styrene | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 12, 2015State Violation/Reminder Notice382 linked violations
- June 20, 2011State Compliance achieved332 linked violations
Common questions
Is SOUTHWEST HORIZON RANCH required to publish a Consumer Confidence Report?
- Yes. SOUTHWEST HORIZON RANCH 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 SOUTHWEST HORIZON RANCH’s next Consumer Confidence Report due?
- SOUTHWEST HORIZON RANCH’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SOUTHWEST HORIZON RANCH have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SOUTHWEST HORIZON RANCH.
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
CHAMBERS, TAMMY
970-385-7932
DURANGO, CO 81303