Public water system · CO0121725
ActiveRock Creek Mesa
At a glance
Rock Creek Mesa (PWSID CO0121725) is an active community water system in El Paso County, Colorado. It reports serving 225 people through 87 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
225
Service connections
87
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Rock Creek Mesa compare with other water systems in El Paso County?
By EPA's size categories, Rock Creek Mesa is a very small system (500 people or fewer). El Paso County has 135 active public water systems. Its population served is well below the county average of 5,605 people per system, and accounts for less than 0.1% of the 756,735 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 Rock Creek Mesa 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 Rock Creek Mesa?
EPA lists Rock Creek Mesa as owned by a local 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. 41 of the 135 active systems in El Paso County (30%) are also owned by a local government.
Does Rock Creek Mesa have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2018. The violations listed here began between January 2015 and January 2018. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (2 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2018-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-01-12 | Required treatment not metFailure to Filter (SWTR) · code 42 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | 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.
Rock Creek Mesa: frequently asked questions
Who runs Rock Creek Mesa?
Rock Creek Mesa (PWSID CO0121725) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Rock Creek Mesa serve?
Rock Creek Mesa reports serving 225 people through 87 service connections in El Paso County, Colorado.
Where does Rock Creek Mesa 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 Rock Creek Mesa have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2018. 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 Rock Creek Mesa'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, one is health-based, and the most recent began in January 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Rock Creek Mesa's water quality report?
As a community water system, Rock Creek Mesa 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 El Paso County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Colorado Springs Utilities | El Paso | 464,111 | Community | Surface water |
| Us Department of the Army Fort Carson | El Paso | 48,000 | Community | Purchased surface water |
| Cherokee Md | El Paso | 29,610 | Community | Groundwater |
| Widefield Wsd | El Paso | 27,640 | Community | Purchased surface water |
| Fountain City of | El Paso | 25,130 | Community | Purchased surface water |
| Security Water District | El Paso | 20,000 | 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, “Rock Creek Mesa, PWSID CO0121725, Colorado”, https://aquacensus.com/water-systems/colorado/rock-creek-mesa-co0121725 (data as of October 1, 2026).