Public water system · CO0160350
ActiveMountain Mutual Wa
At a glance
Mountain Mutual Wa (PWSID CO0160350) is an active community water system in Teller County, Colorado. It reports serving 681 people through 384 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, none is health-based, and the most recent began in January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
681
Service connections
384
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mountain Mutual Wa compare with other water systems in Teller County?
By EPA's size categories, Mountain Mutual Wa is a small system (501 to 3,300 people). Teller County has 51 active public water systems, and Mountain Mutual Wa is the 6th-largest of them by population served. Its population served is about 46% above the county average of 465 people per system, and accounts for 2.9% of the 23,730 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 Mountain Mutual Wa 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. 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 Mountain Mutual Wa?
EPA lists Mountain Mutual Wa 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. 30 of the 51 active systems in Teller County (59%) are also privately owned.
Does Mountain Mutual Wa have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2016. The violations listed here began between January 2005 and January 2016. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 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 |
|---|---|---|---|---|
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2013-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2007-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | 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.
Mountain Mutual Wa: frequently asked questions
Who runs Mountain Mutual Wa?
Mountain Mutual Wa (PWSID CO0160350) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Mountain Mutual Wa serve?
Mountain Mutual Wa reports serving 681 people through 384 service connections in Teller County, Colorado.
Where does Mountain Mutual Wa 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 Mountain Mutual Wa 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 January 2016. 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 Mountain Mutual Wa'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 January 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Mountain Mutual Wa's water quality report?
As a community water system, Mountain Mutual Wa 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 Teller County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Woodland Park City of | Teller | 8,500 | Community | Surface water |
| Cripple Creek City of | Teller | 2,817 | Community | Surface water |
| Colorado South Meadows Pike Cg | Teller | 1,260 | Transient non-community | Groundwater |
| Highland Lakes Wd | Teller | 875 | Community | Groundwater under influence of surface water |
| Sanborn Western Camps | Teller | 736 | Non-transient non-community | Groundwater |
| Divide Mpc Md No 1 | Teller | 679 | 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, “Mountain Mutual Wa, PWSID CO0160350, Colorado”, https://aquacensus.com/water-systems/colorado/mountain-mutual-wa-co0160350 (data as of October 1, 2026).