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ZIP Code 19703 Water Quality
Maryland · 8,017 people served · 7 water systems
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ExcellentZIP code 19703 is in Maryland and is a small town from a drinking-water-service perspective, with 8,017 people served by 7 EPA-registered public water systems. It overlaps with 2 communities including NEWARK, CLAYMONT.
Within ZIP code 19703, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 7 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 19703
Water Systems Serving 19703
HARBOR VIEW
PWSID: MD0070025
437 served
ROUTE 7 DISTRIBUTION SYSTEM
PWSID: MD0070032
100 served
MOUNTAIN HILL WATER COMPANY
PWSID: MD0070034
2,154 served
PINE HILLS
PWSID: MD0070019
953 served
ELKTON WEST
PWSID: MD0070015
3,500 served
PORT DEPOSIT
PWSID: MD0070020
725 served
NORTHWOOD MOUNTAIN VIEW MHP
PWSID: NH1793030
148 served
About ZIP-code water data
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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