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ZIP Code 19977 Water Quality
Delaware · 13,629 people served · 8 water systems
F
FailingZIP code 19977 is in Delaware and is a small city from a drinking-water-service perspective, with 13,629 people served by 8 EPA-registered public water systems. It corresponds to SMYRNA.
Within ZIP code 19977, the EPA Safe Drinking Water Information System (SDWIS) records 12 health-based violations during the past five years across 8 water systems serving this postal area. The grade of F 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 19977
Water Systems Serving 19977
WOODLAND TRAILER COURT
PWSID: DE0000661
41 served
COUNTRYSIDE ESTATES
PWSID: DE0000129
50 served
J & J MHP
PWSID: DE0000133
84 served
MARANATHA COURT
PWSID: DE0000574
54 served
FOX POINTE SUBDIVISION
PWSID: DE00A0696
500 served
EVERGREEN POST ACUTE
PWSID: DE0000841
256 served
HOLLY HILL ESTATES
PWSID: DE0000939
831 served
SMYRNA WATER DEPARTMENT
PWSID: DE0000657
11,813 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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