Mountain Mutual Water Authority
EPA ID: CO0160350 · 681 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Mountain Mutual Water Authority (CO0160350): no drinking-water violations recorded since 2021. EPA data: Mountain Mutual Water Authority - zero violation entries, 681 served.
Data: EPA SDWIS
Service Area Map
Coverage area for Mountain Mutual Water Authority Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mountain Mutual Water Authority have a median household income of $47,799 and about 1,691 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 33% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Mountain Mutual Water Authority's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Colorado
System Overview
Mountain Mutual Water Authority (EPA ID: CO0160350) is a community water system in Colorado that serves approximately 681 people from groundwater sources.
This system serves ZIP code 80813 in Cripple Creek.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0017 mg/L | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CO or modeled from parcel and building-footprint data.
- 80813 - Cripple Creek
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Mountain Mutual Water Authority (CO0160350) on EPA.gov.
Frequently Asked Questions
Is Mountain Mutual Water Authority water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Mountain Mutual Water Authority in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Mountain Mutual Water Authority serve?
Mountain Mutual Water Authority serves approximately 681 people across 1 ZIP code in Colorado.
Where does Mountain Mutual Water Authority get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mountain Mutual Water Authority Water Quality Report, CO. https://zipcheckup.com/water-system/co0160350/
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title = {{Mountain Mutual Water Authority Water Quality Report, CO}},
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url = {https://zipcheckup.com/water-system/co0160350/}
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