Public water system · CO0142600
ActiveMancos Rural Water Company
At a glance
Mancos Rural Water Company (PWSID CO0142600) is an active community water system in Montezuma County, Colorado. It reports serving 1,300 people through 723 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,300
Service connections
723
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Mancos Rural Water Company compare with other water systems in Montezuma County?
By EPA's size categories, Mancos Rural Water Company is a small system (501 to 3,300 people). Montezuma County has 17 active public water systems, and Mancos Rural Water Company is the 6th-largest of them by population served. Its population served is about 30% below the county average of 1,864 people per system, and accounts for 4.1% of the 31,691 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Mancos Rural Water Company is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 228 Colorado systems (10%) list surface water as their primary source.
Who owns and regulates Mancos Rural Water Company?
EPA lists Mancos Rural Water Company 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. 9 of the 17 active systems in Montezuma County (53%) are also privately owned.
Does Mancos Rural Water Company have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between April 2025 and November 2025. By type: 9 monitoring and reporting, 1 monitoring, 1 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2025-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2025-06-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
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.
Mancos Rural Water Company: frequently asked questions
Who runs Mancos Rural Water Company?
Mancos Rural Water Company (PWSID CO0142600) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Mancos Rural Water Company serve?
Mancos Rural Water Company reports serving 1,300 people through 723 service connections in Montezuma County, Colorado.
Where does Mancos Rural Water Company get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Mancos Rural Water Company have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. 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 Mancos Rural Water Company'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, none is health-based, and the most recent began in November 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Mancos Rural Water Company's water quality report?
As a community water system, Mancos Rural Water Company must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Montezuma County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Montezuma Wc | Montezuma | 13,797 | Community | Surface water |
| Cortez City of | Montezuma | 8,770 | Community | Surface water |
| Mesa Verde National Park | Montezuma | 3,177 | Non-transient non-community | Surface water |
| Dolores Town of | Montezuma | 1,626 | Community | Surface water |
| Mancos Town of | Montezuma | 1,390 | Community | Surface water |
| Montezuma Cnty Wd No 1 | Montezuma | 490 | Community | Purchased surface water |
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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, “Mancos Rural Water Company, PWSID CO0142600, Colorado”, https://aquacensus.com/water-systems/colorado/mancos-rural-water-company-co0142600 (data as of October 1, 2026).