Town of Mountain Lake Park
EPA ID: MD0110007 · 3,000 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Town of Mountain Lake Park (MD0110007): no drinking-water violations recorded since 2021. Federal SDWIS data returns no violation records for Town of Mountain Lake Park, the supplier serving 3,000 residents - a statement about the EPA file rather than a measurement of contaminant levels in the water.
Data: EPA SDWIS
Service Area Map
Coverage area for Town of Mountain Lake Park Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Town of Mountain Lake Park have a median household income of $65,302 and about 13,469 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 59% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Town of Mountain Lake Park'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 Maryland
System Overview
Town of Mountain Lake Park (EPA ID: MD0110007) is a community water system in Maryland that serves approximately 3,000 people from groundwater sources.
This system serves ZIP code 21550 in Oakland.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0016 mg/L | No | 2023-12-31 |
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 MD or modeled from parcel and building-footprint data.
- 21550 - Oakland
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Town of Mountain Lake Park (MD0110007) on EPA.gov.
Frequently Asked Questions
Is Town of Mountain Lake Park water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Town of Mountain Lake Park 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 Town of Mountain Lake Park serve?
Town of Mountain Lake Park serves approximately 3,000 people across 1 ZIP code in Maryland.
Where does Town of Mountain Lake Park get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Town of Mountain Lake Park Water Quality Report, MD. https://zipcheckup.com/water-system/md0110007/
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