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Community Water System · PWS CO0160350

Mountain Mutual WA

Cripple Creek, Colorado 80813 - drinking water served from groundwater sources to 674 people, tracked in EPA SDWIS and UCMR5.

674
People served
183
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 183 drinking-water violations at Mountain Mutual WA - above the Colorado per-system average.

183
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
674
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mountain Mutual WA

Mountain Mutual WA is a private-owned community water system that delivers drinking water to 674 residents in Cripple Creek, Colorado (Teller County) through 384 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 183 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 180 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 22 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Colorado, EPA tracks 2,193 public water systems serving 7,473,456 people, with 238,796 cumulative violations and 30,589 health-based violations on record. About 93% of systems in the state carry at least one violation, and state-wide the average per system is 108.9 violations. Statewide, 98 of 163 UCMR5-tested systems have reported PFAS detections (60.1%).

Mountain Mutual WA's 183 violations sit above the Colorado average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
674
Total Violations
183
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
384
County
Teller
School/Daycare
No
MCL Violations
0
Monitoring Violations
180
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 22 2010
Lead and Copper Rule MR 17 2013
Nitrate MR 8 2016
1,2,4-Trichlorobenzene MR 4 2002
cis-1,2-Dichloroethylene MR 4 2002
p-Dichlorobenzene MR 4 2002
trans-1,2-Dichloroethylene MR 4 2002
1,2-Dichloroethane MR 4 2002
1,2-Dichloropropane MR 4 2002
Trichloroethylene MR 4 2002
1,1,2-Trichloroethane MR 4 2002
Tetrachloroethylene MR 4 2002
Benzene MR 4 2002
Toluene MR 4 2002
Styrene MR 4 2002
Arsenic MR 4 2005
Cadmium MR 4 2005
Chromium MR 4 2005
Mercury MR 4 2005
Beryllium, Total MR 4 2005
Xylenes, Total MR 4 2002
Vinyl chloride MR 4 2002
CHLOROBENZENE MR 4 2002
Nickel MR 4 2005
1,1-Dichloroethylene MR 4 2002
Carbon tetrachloride MR 4 2002
Antimony, Total MR 4 2005
Barium MR 4 2005
Selenium MR 4 2005
DICHLOROMETHANE MR 4 2002

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Mountain Mutual WA.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CO0160350 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Colorado Drinking Water Authority

Colorado Department of Public Health and Environment, Water Quality Control is the primacy agency that licenses and inspects Mountain Mutual WA under EPA-delegated authority.

Open CO regulator portal

Source: Colorado Department of Public Health and Environment, Water Quality Control

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2016 Nitrate MR 8 SDWIS / CO0160350 / 1040
2013 Lead and Copper Rule MR 17 SDWIS / CO0160350 / 5000
2010 Coliform (TCR) MR 22 SDWIS / CO0160350 / 3100
2005 Arsenic MR 4 SDWIS / CO0160350 / 1005
2005 Cadmium MR 4 SDWIS / CO0160350 / 1015
2005 Chromium MR 4 SDWIS / CO0160350 / 1020
2005 Mercury MR 4 SDWIS / CO0160350 / 1035
2005 Beryllium, Total MR 4 SDWIS / CO0160350 / 1075
2005 Nickel MR 4 SDWIS / CO0160350 / 1036
2005 Antimony, Total MR 4 SDWIS / CO0160350 / 1074
2005 Barium MR 4 SDWIS / CO0160350 / 1010
2005 Selenium MR 4 SDWIS / CO0160350 / 1045
2005 Thallium, Total MR 4 SDWIS / CO0160350 / 1085
2005 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / CO0160350 / 2931
2005 ETHYLENE DIBROMIDE MR 3 SDWIS / CO0160350 / 2946

How Mountain Mutual WA Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Mountain Mutual WA Colorado avg Federal benchmark
Total violations 183 108.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 13.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 60.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 674 3,408 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,193 regulated public water systems in Colorado.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Mountain Mutual WA water safe to drink? ▼
Mountain Mutual WA (PWS ID: CO0160350) has 183 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 674 people using Groundwater sources.
How many people does Mountain Mutual WA serve? ▼
Mountain Mutual WA serves 674 people in Cripple Creek, Colorado. It is a Private-owned system using Groundwater water sources with 384 service connections.
What type of violations does Mountain Mutual WA have? ▼
Mountain Mutual WA has 183 total violations: 0 health-based violations (MCL exceedances or treatment failures), 180 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mountain Mutual WA water? ▼
No PFAS testing data is available for Mountain Mutual WA under the EPA's UCMR5 monitoring program.
What water source does Mountain Mutual WA use? ▼
Mountain Mutual WA uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.