Lakeside Water System
EPA ID: MT0000266 · 1,225 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Lakeside Water System (MT0000266): no EPA violations recorded in the last five years. In every reporting cycle over the past five years, Lakeside Water System has come through without a single EPA violation - a consistent performance across the full service population of approximately 1,225 residents that reflects both well-maintained infrastructure and reliable operational oversight.
Data: EPA SDWIS
Service Area Map
Coverage area for Lakeside Water System Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Lakeside Water System serves a community with a median household income of $68,467 and an estimated 4,147 residents across its service area. Approximately 42% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 37% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. 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?
Lakeside Water System's water is pumped from underground aquifers. 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 Montana
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Lakeside Water System (EPA ID: MT0000266) is a community water system in Montana that serves approximately 1,225 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.003 mg/L | No | N/A |
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
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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 MT or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lakeside Water System (MT0000266) on EPA.gov.
Frequently Asked Questions
Is Lakeside Water System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Lakeside Water System 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 Lakeside Water System serve?
Lakeside Water System serves approximately 1,225 people across 2 ZIP codes in Montana.
Where does Lakeside Water System get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lakeside Water System Water Quality Report, MT. https://zipcheckup.com/water-system/mt0000266/
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title = {{Lakeside Water System Water Quality Report, MT}},
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url = {https://zipcheckup.com/water-system/mt0000266/}
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