Public water system · CO0317166
ActiveCayton Cg
At a glance
Cayton Cg (PWSID CO0317166) is an active transient non-community water system in Dolores County, Colorado. It reports serving 36 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
36
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Cayton Cg compare with other water systems in Dolores County?
By EPA's size categories, Cayton Cg is a very small system (500 people or fewer). Dolores County has 6 active public water systems, and Cayton Cg is the 4th-largest of them by population served. Its population served is well below the county average of 237 people per system, and accounts for 2.5% of the 1,420 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 Cayton Cg is well 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 Cayton Cg?
EPA lists Cayton Cg as owned by the federal government. 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. 3 of the 6 active systems in Dolores County (50%) are also owned by the federal government.
Does Cayton Cg have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between January 2016 and October 2023. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-10-10 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 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.
Cayton Cg: frequently asked questions
Who runs Cayton Cg?
Cayton Cg (PWSID CO0317166) is a transient non-community water system owned by the federal government. It is regulated by the CO state drinking water program.
How many people does Cayton Cg serve?
Cayton Cg reports serving 36 people through 1 service connection in Dolores County, Colorado.
Where does Cayton Cg 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 Cayton Cg have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2023. 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 Cayton Cg'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. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Cayton Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cayton Cg 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 Dolores County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dove Creek Town of | Dolores | 850 | Community | Surface water |
| Rico Town of | Dolores | 437 | Community | Groundwater |
| Dunton Hot Springs Inc. | Dolores | 47 | Non-transient non-community | Groundwater |
| Mavreeso Cg | Dolores | 25 | Transient non-community | Groundwater under influence of surface water |
| West Dolores Campground | Dolores | 25 | Transient non-community | Groundwater under influence of 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, “Cayton Cg, PWSID CO0317166, Colorado”, https://aquacensus.com/water-systems/colorado/cayton-cg-co0317166 (data as of October 1, 2026).