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ZIP Code 16101 Water Quality
Pennsylvania · 162,213 people served · 13 water systems
D
PoorZIP code 16101 is in Pennsylvania and is a mid-sized community from a drinking-water-service perspective, with 162,213 people served by 13 EPA-registered public water systems. It corresponds to NEW CASTLE.
Within ZIP code 16101, the EPA Safe Drinking Water Information System (SDWIS) records 8 health-based violations during the past five years across 13 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 16101
Water Systems Serving 16101
PA AMERICAN WATER KITTANNING
PWSID: PA5030008
4,617 served
CEDAR ACRES MOBILE HOME PARK
PWSID: PA6370910
95 served
PA AMERICAN WATER CO-INDIANA D
PWSID: PA5320025
22,360 served
PA AMER WATER CO ELLWOOD CTY
PWSID: PA6370011
17,200 served
MAJORS MOBILEHOME PARK
PWSID: PA6370016
55 served
COUNTRY ROADS MHP
PWSID: PA6370019
60 served
PA AMER WATER CO NEW CASTLE
PWSID: PA6370034
43,279 served
WOODMERE ESTATES
PWSID: PA6370047
61 served
EASTBROOK APARTMENTS
PWSID: PA6370049
75 served
PA AMERICAN WATER PUNXSY
PWSID: PA6330010
8,800 served
PA AMERICAN WATER CO KANE
PWSID: PA6420019
5,725 served
PA AMERICAN WATER CO CLARION
PWSID: PA6160001
16,600 served
PA AMERICAN WATER CO BUTLER
PWSID: PA5100012
43,286 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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