Public water system · CO0211950
ActiveTwin Rivers Guest Ranch
At a glance
Twin Rivers Guest Ranch (PWSID CO0211950) is an active transient non-community water system in Conejos County, Colorado. It reports serving 100 people through 47 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in June 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
47
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Twin Rivers Guest Ranch compare with other water systems in Conejos County?
By EPA's size categories, Twin Rivers Guest Ranch is a very small system (500 people or fewer). Conejos County has 25 active public water systems. Its population served is about 64% below the county average of 280 people per system, and accounts for 1.4% of the 6,992 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Twin Rivers Guest Ranch is about 31% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Colorado has 956 active transient non-community water systems, 43% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.
Who owns and regulates Twin Rivers Guest Ranch?
EPA lists Twin Rivers Guest Ranch 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. 14 of the 25 active systems in Conejos County (56%) are also privately owned.
Does Twin Rivers Guest Ranch have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in June 2024. The violations listed here began between April 2009 and June 2024. By type: 5 monitoring and reporting, 2 public notice, recordkeeping or other, 2 required treatment not met, 1 reporting, 1 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 11 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-06-11 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-05-02 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-04-10 | Required treatment not metTreatment Technique, Corrective/Expedited Actions (RTCR) · code 2C | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2020-12-10 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-12-10 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2020-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-07-27 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Twin Rivers Guest Ranch: frequently asked questions
Who runs Twin Rivers Guest Ranch?
Twin Rivers Guest Ranch (PWSID CO0211950) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Twin Rivers Guest Ranch serve?
Twin Rivers Guest Ranch reports serving 100 people through 47 service connections in Conejos County, Colorado.
Where does Twin Rivers Guest Ranch get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Twin Rivers Guest Ranch have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in June 2024. 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 Twin Rivers Guest Ranch'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, 3 are health-based, and the most recent began in June 2024. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Twin Rivers Guest Ranch's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Twin Rivers Guest Ranch is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Conejos County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Antonito Town of | Conejos | 981 | Community | Groundwater under influence of surface water |
| Manassa Town of | Conejos | 976 | Community | Groundwater |
| Sanford Town of | Conejos | 850 | Community | Groundwater |
| La Jara Town of | Conejos | 825 | Community | Groundwater |
| Centauri Hs Centauri Ms | Conejos | 700 | Non-transient non-community | Groundwater |
| Romeo Town of | Conejos | 365 | Community | Groundwater |
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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, “Twin Rivers Guest Ranch, PWSID CO0211950, Colorado”, https://aquacensus.com/water-systems/colorado/twin-rivers-guest-ranch-co0211950 (data as of October 1, 2026).