Cobblestone Subdivision
EPA ID: MT0004572 · 150 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Cobblestone Subdivision (MT0004572): no drinking-water violations recorded since 2021. Water monitoring history at Cobblestone Subdivision, as reported to the EPA, contains no recorded violations; 150 residents are counted in its service population.
Data: EPA SDWIS
Service Area Map
Coverage area for Cobblestone Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Cobblestone Subdivision have a median household income of $89,217 and about 23,897 residents live in those ZIP codes (Census; not the number of people this system supplies).
💧 Where Does Your Water Come From?
Cobblestone Subdivision'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Montana
System Overview
Cobblestone Subdivision (EPA ID: MT0004572) is a community water system in Montana that serves approximately 150 people from groundwater sources.
This system serves ZIP code 59714 in Belgrade.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2024-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 59714 - Belgrade
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Cobblestone Subdivision (MT0004572) on EPA.gov.
Frequently Asked Questions
Is Cobblestone Subdivision water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Cobblestone Subdivision 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 Cobblestone Subdivision serve?
Cobblestone Subdivision serves approximately 150 people across 1 ZIP code in Montana.
Where does Cobblestone Subdivision get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Cobblestone Subdivision Water Quality Report, MT. https://zipcheckup.com/water-system/mt0004572/
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title = {{Cobblestone Subdivision Water Quality Report, MT}},
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url = {https://zipcheckup.com/water-system/mt0004572/}
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