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ZIP Code 21108 Water Quality
Maryland · 390,647 people served · 15 water systems
D
PoorZIP code 21108 is in Maryland and is a large city from a drinking-water-service perspective, with 390,647 people served by 15 EPA-registered public water systems. It overlaps with 2 communities including BOONSBORO, MILLERSVILLE.
Within ZIP code 21108, the EPA Safe Drinking Water Information System (SDWIS) records 7 health-based violations during the past five years across 15 water systems serving this postal area. The grade of D reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 21108
Water Systems Serving 21108
FAHRNEY-KEEDY SENIOR LIVING COMMUNITY
PWSID: MD0210213
250 served
CHELTENHAM BOYS VILLAGE
PWSID: MD0160003
330 served
TOWN OF DARLINGTON
PWSID: MD0120009
250 served
MEADOW MOUNTAIN BOYS CAMP
PWSID: MD0110230
63 served
BACKBONE MOUNTAIN BOYS CAMP
PWSID: MD0110204
60 served
EASTERN CORRECTIONAL INSTITUTE
PWSID: MD0190013
3,500 served
CHARLOTTE HALL VA HOME
PWSID: MD0180217
270 served
BROAD CREEK
PWSID: MD0020004
26,033 served
CROFTON-ODENTON
PWSID: MD0020008
62,986 served
CROWNSVILLE HOSPITAL CENTER
PWSID: MD0020009
1,348 served
HERALD HARBOR
PWSID: MD0020044
2,241 served
GLEN BURNIE-BROADNECK
PWSID: MD0020017
290,606 served
ROSE HAVEN
PWSID: MD0020030
235 served
GIBSON ISLAND
PWSID: MD0020013
275 served
SAINT MARYS COLLEGE
PWSID: MD0180013
2,200 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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