Rosemont Distribution System
EPA ID: MD0100045 · 237 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Rosemont Distribution System (MD0100045): no drinking-water violations recorded since 2021. Rosemont Distribution System is listed without violations in federal records, across a service area of 237 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Rosemont Distribution System Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Rosemont Distribution System have a median household income of $108,941 and about 10,995 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Rosemont Distribution System's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Maryland
System Overview
Rosemont Distribution System (EPA ID: MD0100045) is a community water system in Maryland that serves approximately 237 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Rosemont Distribution System (MD0100045) on EPA.gov.
Frequently Asked Questions
Is Rosemont Distribution System water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Rosemont Distribution 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 Rosemont Distribution System serve?
Rosemont Distribution System serves approximately 237 people across 2 ZIP codes in Maryland.
Where does Rosemont Distribution System get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Rosemont Distribution System Water Quality Report, MD. https://zipcheckup.com/water-system/md0100045/
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